bumb version

[hotfix] move instead of copy if no other version use the linked folder

README.md

@@ -43,7 +43,7 @@
     <a href="https://github.com/Zagrios/bs-manager/issues"><img alt="GitHub issues" src="https://img.shields.io/github/issues/Zagrios/bs-manager?style=for-the-badge"></a>
     <br>
     <a href="https://discord.gg/uSqbHVpKdV"><img src ="https://img.shields.io/badge/-DISCORD-5865f2?style=for-the-badge&logo=discord&logoColor=ffffff" alt="discord"/></a>
-    <!--<a href="https://mee6.xyz/fr/m/bsmanager"><img src ="https://img.shields.io/badge/-🥰%20Support%20BSM-EC4546?style=for-the-badge" alt="Donation"/></a>-->
+    <a href="https://www.patreon.com/bsmanager"><img src ="https://img.shields.io/badge/-🥰%20Support%20BSM-EC4546?style=for-the-badge" alt="Donation"/></a>
     <a href="https://twitter.com/BSManager_"><img src ="https://img.shields.io/badge/-Twitter-F5F8FA?style=for-the-badge&logo=Twitter" alt="Twitter"/></a>
     <br>
     [<a href="#readme-bot">Go to bottom</a>]

assets/jsons/translations/en.json

@@ -28,7 +28,11 @@
                 "desktop": "Desktop Mode",
                 "desktop-description": "This allows you to use WASD and the mouse to navigate around the menu in game. This makes testing much easier, because you don't have to put on your headset!",
                 "debug": "Debug Mode",
-                "debug-description": "Enables the output log window for IPA. This will show the debug console that mods use."
+                "debug-description": "Enables the output log window for IPA. This will show the debug console that mods use.",
+                "advanced-launch": {
+                    "button": "Advanced launch",
+                    "placeholder": "Additional arguments ex: --revert; --nowait"
+                }
             },
             "maps": {
                 "title": "Shared maps",
@@ -84,7 +88,8 @@
                 "verify-files": "Verify files",
                 "clone": "Clone",
                 "edit": "Edit",
-                "uninstall": "Uninstall"
+                "uninstall": "Uninstall",
+                "shared-folders": "Shared Folders"
             }
         },
         "available-versions": {
@@ -414,6 +419,14 @@
                 "success":"Model installation complete",
                 "error":"An error occurred while installing the model"
             }
+        },
+        "shared-folder": {
+            "info": {
+                "userdata-backup-created":{
+                    "title": "Backup created",
+                    "msg": "Sharing the 'UserData' folder can generate errors, in case of problems unlink the folder to restore the backup"
+                }
+            }
         }
     },
     "modals": {
@@ -563,6 +576,15 @@
             "li-2": "Mods are subject to being broken by updates and that's normal - be patient and respectful when this happens, as modders are volunteers with real lives.",
             "li-3": "Beat Games aren't purposefully trying to break mods. They wish to work on the codebase and sometimes this breaks mods, but they are not out to kill mods.",
             "p-2": "Do not attack the game developers for issues related to mods, and vice versa - modders and game developers are two separate groups. Just don't be a jerk ok."
+        },
+        "shared-folders":{
+            "title": "Shared Folders",
+            "description": "Link BeatSaber folders to synchronize their contents with shared folders in other versions. Note that deleting content will also be shared.",
+            "buttons": {
+                "add-folder": "Add Folder",
+                "link-folder": "Link Folder",
+                "unlink-folder": "Unlink Folder"
+            }
         }
     },
     "maps": {

assets/jsons/translations/es.json

@@ -28,7 +28,11 @@
                 "desktop": "Desktop Mod",
                 "desktop-description": "Esto te permite usar WASD y el mouse para navegar por el menú en juego. Esto hace que las pruebas sean mucho más fáciles, ¡porque no tienes que ponerte el auricular!",
                 "debug": "Debug Mod",
-                "debug-description": "Habilita la ventana de registro de salida para IPA. Esto mostrará la consola de depuración que usan los mods."
+                "debug-description": "Habilita la ventana de registro de salida para IPA. Esto mostrará la consola de depuración que usan los mods.",
+                "advanced-launch": {
+                    "button": "Lanzamiento avanzado",
+                    "placeholder": "Argumentos adicionales ej: --revert; --no-wait"
+                }
             },
             "maps": {
                 "search-bar": {
@@ -83,7 +87,8 @@
                 "verify-files": "Verificar los archivos",
                 "clone": "Clonar",
                 "edit": "Editar",
-                "uninstall": "Desinstalar"
+                "uninstall": "Desinstalar",
+                "shared-folders": "Carpetas Compartidas"
             }
         },
         "available-versions": {
@@ -413,6 +418,14 @@
                 "success":"Instalación del modelo completada",
                 "error":"Se produjo un error durante la instalación del modelo"
             }
+        },
+        "shared-folder": {
+            "info": {
+                "userdata-backup-created":{
+                    "title": "Backup creado",
+                    "msg": "Compartir la carpeta 'UserData' puede generar errores, en caso de problemas desvincular la carpeta para restaurar la copia de seguridad"
+                }
+            }
         }
     },
     "modals": {
@@ -562,6 +575,15 @@
             "li-2": "Es probable que los mods dejen de funcionar debido a las actualizaciones y eso es normal. Sé paciente y respetuoso cuando suceda esto, ya que los modders son voluntarios y tienen una vida.",
             "li-3": "Beat Games no está intencionalmente tratando de romper los mods. Quieren mejorar el juego base y a veces esto rompe los mods, pero no es su objetivo matar a los mods.",
             "p-2": "No ataques a los desarrolladores por problemas relacionados con los mods y viceversa. Los modders y los desarrolladores son dos grupos distintos. No seas tonto, ¿de acuerdo?"
+        },
+        "shared-folders":{
+            "title": "Carpetas Compartidas",
+            "description": "Enlace las carpetas de BeatSaber para sincronizar su contenido con las carpetas compartidas en otras versiones. Tenga en cuenta que la eliminación de contenido también se compartirá.",
+            "buttons": {
+                "add-folder": "Añadir Carpeta",
+                "link-folder": "Enlazar Carpeta",
+                "unlink-folder": "Desenlazar Carpeta"
+            }
         }
     },
     "maps": {

assets/jsons/translations/fr.json

@@ -28,7 +28,11 @@
                 "desktop": "Mode Bureau",
                 "desktop-description": "Cela vous permet d'utiliser WASD et la souris pour naviguer dans le menu en jeu. Cela rend les tests beaucoup plus faciles, car vous n'avez pas à mettre votre casque!",
                 "debug": "Mode Debug",
-                "debug-description": "Active la fenêtre de log pour IPA. Cela affichera la console de débogage utilisée par les mods."
+                "debug-description": "Active la fenêtre de log pour IPA. Cela affichera la console de débogage utilisée par les mods.",
+                "advanced-launch": {
+                    "button": "Lancement avancé",
+                    "placeholder": "Arguments supplémentaires ex: --revert; --nowait"
+                }
             },
             "maps": {
                 "search-bar": {
@@ -83,7 +87,8 @@
                 "verify-files": "Vérifier les fichiers",
                 "clone": "Cloner",
                 "edit": "Editer",
-                "uninstall": "Désinstaller"
+                "uninstall": "Désinstaller",
+                "shared-folders": "Dossiers Partagés"
             }
         },
         "available-versions": {
@@ -413,6 +418,14 @@
                 "success":"Installation du modèle terminée",
                 "error":"Une erreur s'est produite lors de l'installation du modèle"
             }
+        },
+        "shared-folder":{
+            "info": {
+                "userdata-backup-created":{
+                    "title": "Sauvegarde créée",
+                    "msg": "Le partage du dossier 'UserData' peut générer des erreurs, en cas de soucis déliez le dossier pour restaurer la sauvegarde"
+                }
+            }
         }
     },
     "modals": {
@@ -562,6 +575,15 @@
             "li-2": "Les mods sont susceptibles de ne plus fonctionner à cause des mises à jour et c'est normal - soyez patient et respectueux lorsque cela se produit, parce que les moddeurs sont bénévoles et ont une vie.",
             "li-3": "Beat Games ne cherche pas volontairement à casser les mods. Ils souhaitent améliorer la base du jeu et parfois cela casse les mods, mais ce n'est pas dans leur objectif de tuer les mods.",
             "p-2": "N'attaquez pas les développeurs pour des problèmes relatifs aux mods, et inversement - les moddeurs et les développeurs sont deux groupes distincts. Ne soyez pas idiots, d'accord ?"
+        },
+        "shared-folders":{
+            "title": "Dossiers Partagés",
+            "description": "Liez les dossiers de BeatSaber pour synchroniser leurs contenus avec les dossiers partagés des autres versions. Notez que la suppression de contenu sera également partagée.",
+            "buttons": {
+                "add-folder": "Ajouter un dossier",
+                "link-folder": "Lier le dossier",
+                "unlink-folder": "Délier le dossier"
+            }
         }
     },
     "maps": {

release/app/package.json

@@ -1,6 +1,6 @@
 {
   "name": "bs-manager",
-  "version": "1.0.4",
+  "version": "1.1.0",
   "description": "A foundation for scalable desktop apps",
   "main": "./dist/main/main.js",
   "author": {

src/main/constants.ts

@@ -3,3 +3,5 @@ export const OCULUS_BS_DIR = "hyperbolic-magnetism-beat-saber"
 export const BS_APP_ID = "620980";
 export const BS_DEPOT = "620981";
 export const APP_NAME = "BSManager";
+
+export const STEAMVR_APP_ID = "250820";

src/main/helpers/fs.helpers.ts

@@ -0,0 +1,110 @@
+import { copyFile, ensureDir, move, symlink } from "fs-extra";
+import { access, mkdir, rm, readdir, unlink, lstat, readlink } from "fs/promises";
+import path from "path";
+import { Observable } from "rxjs";
+import log from "electron-log"
+
+export async function pathExist(path: string): Promise<boolean> {
+    try{
+        await access(path);
+        return true;
+    }catch(e){
+        return false;
+    }
+    
+}
+
+export async function ensureFolderExist(path: string): Promise<void> {
+    if(await pathExist(path)){ return Promise.resolve(); }
+    return mkdir(path, {recursive: true}).catch(log.error).then(() => {});
+}
+
+export async function deleteFolder(folderPath: string): Promise<void> {
+    if(!(await pathExist(folderPath))){ return; }
+    return rm(folderPath, {recursive: true, force: true});
+}
+
+export async function unlinkPath(path: string): Promise<void>{
+    if(!(await pathExist(path))){ return; }
+    return unlink(path);
+}
+
+export async function getFoldersInFolder(folderPath: string): Promise<string[]> {
+    if(!(await pathExist(folderPath))){ return []; }
+
+    const files = await readdir(folderPath, {withFileTypes: true});
+
+    const promises = files.map(async file => {
+        if(file.isDirectory()){ return path.join(folderPath, file.name); }
+        if(!file.isSymbolicLink()){ return undefined; }
+        try{
+            const targetPath = await readlink(path.join(folderPath, file.name));
+            return (await lstat(targetPath)).isDirectory() ? path.join(folderPath, file.name) : undefined;
+        }catch(e){
+            return undefined;
+        }
+    });
+
+    return (await Promise.all(promises)).filter(folder => folder);
+}
+
+export function moveFolderContent(src: string, dest: string): Observable<Progression>{    
+    const progress: Progression = { current: 0, total: 0 }; 
+    return new Observable<Progression>(subscriber => {
+        subscriber.next(progress);
+        (async () => {
+
+            const srcExist = await pathExist(src);
+
+            if(!srcExist){ return subscriber.complete(); }
+            
+            ensureFolderExist(dest);
+
+            const files = await readdir(src, {encoding: "utf-8"});
+            progress.total = files.length;
+
+            const promises = files.map(async file => {
+                const srcFullPath = path.join(src, file);
+                const destFullPath = path.join(dest, file);
+                if(await pathExist(destFullPath)){
+                    progress.current++;
+                    return subscriber.next(progress);
+                }
+                await move(srcFullPath, destFullPath);
+                progress.current++;
+                subscriber.next(progress);
+            });
+
+            Promise.allSettled(promises).then(() => subscriber.complete());
+
+        })();
+    });
+}
+
+export async function copyDirectoryWithJunctions(source: string, destination: string): Promise<void> {
+    
+    await ensureDir(destination);
+    const items = await readdir(source);
+  
+    for (const item of items) {
+        const sourcePath = path.join(source, item);
+        const destinationPath = path.join(destination, item);
+        const stats = await lstat(sourcePath);
+
+        if (stats.isDirectory()) {
+            await copyDirectoryWithJunctions(sourcePath, destinationPath);
+        } else if (stats.isFile()) {
+            await copyFile(sourcePath, destinationPath);
+        } else if (stats.isSymbolicLink()) {
+            const symlinkTarget = await readlink(sourcePath);
+            await symlink(symlinkTarget, destinationPath, "junction");
+        }
+    }
+}
+
+export interface Progression<T = unknown>{
+    total: number;
+    current: number;
+    extra?: T;
+}
+

src/main/ipcs/bs-maps-ipcs.ts

@@ -116,4 +116,9 @@ ipc.on("is-map-deep-links-enabled", async (request: IpcRequest<void>) => {
         utils.ipcSend(request.responceChannel, {success: false});
     }
 
+});
+
+ipc.on("get-version-maps-path",  async (req: IpcRequest<BSVersion>, reply) => {
+    const maps = LocalMapsManagerService.getInstance();
+    reply(from(maps.getMapsFolderPath(req.args)));
 });

src/main/ipcs/bs-version-ipcs.ts

@@ -6,6 +6,18 @@ import { exec } from 'child_process';
 import { IpcRequest } from 'shared/models/ipc';
 import { BSLocalVersionService } from '../services/bs-local-version.service';
 import { BsmException } from 'shared/models/bsm-exception.model';
+import { IpcService } from '../services/ipc.service';
+import { from } from 'rxjs';
+import path from 'path';
+import { pathExist } from '../helpers/fs.helpers';
+import { FolderLinkerService, LinkOptions } from '../services/folder-linker.service';
+import { LocalMapsManagerService } from '../services/additional-content/local-maps-manager.service';
+import { readJSON, writeJSON } from 'fs-extra';
+import log from "electron-log"
+import { VersionLinkerAction } from 'renderer/services/version-folder-linker.service';
+import { VersionFolderLinkerService } from '../services/version-folder-linker.service';
+
+const ipc = IpcService.getInstance();
 
 ipcMain.on('bs-version.get-version-dict', (event, req: IpcRequest<void>) => {
    BSVersionLibService.getInstance().getAvailableVersions().then(versions => {
@@ -26,7 +38,7 @@ ipcMain.on('bs-version.installed-versions', async (event, req: IpcRequest<void>)
 ipcMain.on("bs-version.open-folder", async (event, req: IpcRequest<BSVersion>) => {
    const localVersionService = BSLocalVersionService.getInstance();
    const versionFolder = await localVersionService.getVersionPath(req.args);
-   UtilsService.getInstance().pathExist(versionFolder) && exec(`start "" "${versionFolder}"`);
+   (await pathExist(versionFolder)) && exec(`start "" "${versionFolder}"`);
 });
 
 ipcMain.on("bs-version.edit", async (event, req: IpcRequest<{version: BSVersion, name: string, color: string}>) => {
@@ -44,3 +56,99 @@ ipcMain.on("bs-version.clone", async (event, req: IpcRequest<{version: BSVersion
       UtilsService.getInstance().ipcSend(req.responceChannel, {success: false, error});
    });
 });
+
+ipc.on("get-version-full-path", async (req: IpcRequest<BSVersion>, reply) => {
+    const localVersions = BSLocalVersionService.getInstance();
+    reply(from( localVersions.getVersionPath(req.args) ));
+});
+
+ipc.on("relative-version-path-to-full", async (req: IpcRequest<{version: BSVersion, relative: string}>, reply) => {
+    path.isAbsolute(req.args.relative) && reply(from(Promise.resolve(req.args.relative)));
+
+    const localVersions = BSLocalVersionService.getInstance();
+    const promise = localVersions.getVersionPath(req.args.version).catch(() => null).then(versionPath => {
+        return path.join(versionPath, req.args.relative);
+    });
+    reply(from(promise));
+});
+
+ipc.on("full-version-path-to-relative", async (req: IpcRequest<{version: BSVersion, fullPath: string}>, reply) => {
+    const localVersions = BSLocalVersionService.getInstance();
+    const promise = localVersions.getVersionPath(req.args.version).catch(() => null).then(versionPath => {
+        return path.relative(versionPath, req.args.fullPath);
+    });
+    reply(from(promise));
+});
+
+ipc.on("get-linked-folders", async (req: IpcRequest<{version: BSVersion, options?: { relative?: boolean }}>, reply) => {
+    const versionLinker = VersionFolderLinkerService.getInstance();
+    reply(from(versionLinker.getLinkedFolders(req.args.version, req.args.options)));
+});
+
+ipc.on("link-folder", async (req: IpcRequest<{ folder: string, options?: LinkOptions}>, reply) => {
+
+    req.args.options ??= {};
+
+    const linker = FolderLinkerService.getInstance();
+
+    const relativeMapsFolder = path.join(LocalMapsManagerService.LEVELS_ROOT_FOLDER, LocalMapsManagerService.CUSTOM_LEVELS_FOLDER)
+
+    if(req.args.folder.includes(relativeMapsFolder)){
+        return reply(from(linker.linkFolder(req.args.folder, {keepContents: req.args.options?.keepContents, intermediateFolder: LocalMapsManagerService.SHARED_MAPS_FOLDER})));
+    }
+
+    if(req.args.folder.includes("UserData")){
+        req.args.options = { ...req.args.options, backup: true };
+    }
+
+    const res = from(linker.linkFolder(req.args.folder, req.args.options));
+
+    const jsonIPAPath = path.join(req.args.folder, "Beat Saber IPA.json");
+
+    if(!(await pathExist(jsonIPAPath))){ return reply(res); }
+
+    await res.toPromise();
+
+    try{
+        const ipaData = (await readJSON(jsonIPAPath)) ?? {} as any;
+        ipaData["YeetMods"] = false;
+        await writeJSON(jsonIPAPath, ipaData, {spaces: 4});
+    }catch(e){
+        log.error("Disable YeetMods", e);
+    }
+
+    reply(res);
+
+});
+
+ipc.on("link-version-folder-action", async (req: IpcRequest<VersionLinkerAction>, reply) => {
+    const versionLinker = VersionFolderLinkerService.getInstance();
+    reply(from(versionLinker.doAction(req.args)));
+});
+
+ipc.on("is-version-folder-linked", async (req: IpcRequest<{ version: BSVersion, relativeFolder: string }>, reply) => {
+    const versionLinker = VersionFolderLinkerService.getInstance();
+    reply(from(versionLinker.isFolderLinked(req.args.version, req.args.relativeFolder)));
+});
+
+ipc.on("unlink-folder", async (req: IpcRequest<{ folder: string, options?: LinkOptions}>, reply) => {
+
+    req.args.options ??= {};
+
+    const linker = FolderLinkerService.getInstance();
+
+    const relativeMapsFolder = path.join(LocalMapsManagerService.LEVELS_ROOT_FOLDER, LocalMapsManagerService.CUSTOM_LEVELS_FOLDER)
+
+    if(req.args.folder.includes(relativeMapsFolder)){
+        return reply(from(linker.unlinkFolder(req.args.folder, {...req.args.options, intermediateFolder: LocalMapsManagerService.SHARED_MAPS_FOLDER})));
+    }
+
+    if(req.args.folder.includes("UserData")){
+        req.args.options = { ...req.args.options, backup: true };
+    }
+
+    reply(from(linker.unlinkFolder(req.args.folder, req.args.options)));
+
+});
+
+

src/main/ipcs/os-controls-ipcs.ts

@@ -4,10 +4,16 @@ import { IpcRequest } from 'shared/models/ipc';
 import { SystemNotificationOptions } from 'shared/models/notification/system-notification.model';
 import { NotificationService } from '../services/notification.service';
 import { SteamService } from '../services/steam.service';
+import { IpcService } from '../services/ipc.service';
+import { from } from 'rxjs';
+import { fstat, lstat } from 'fs';
+import { pathExist } from '../helpers/fs.helpers';
 
 
 // TODO IMPROVE WINDOW CONTROL BY USING WINDOW SERVICE
 
+const ipc = IpcService.getInstance();
+
 ipcMain.on('window.close', async () => {
     const utils = UtilsService.getInstance();
     utils.getMainWindows("index.html")?.close();
@@ -32,10 +38,10 @@ ipcMain.on('new-window', async (event, request: IpcRequest<string>) => {
     shell.openExternal(request.args);
 });
 
-ipcMain.on('choose-folder', async (event, request: IpcRequest<void>) => {
-  dialog.showOpenDialog({properties: ['openDirectory'],}).then(res => {
-    UtilsService.getInstance().ipcSend(request.responceChannel, {success: true, data: res});
-  });
+ipc.on('choose-folder', async (req: IpcRequest<string>, reply) => {
+  reply(
+    from(dialog.showOpenDialog({properties: ['openDirectory'], defaultPath: req.args ?? ""}))
+  )
 });
 
 ipcMain.on("window.progression", async (event, request: IpcRequest<number>) => {

src/main/ipcs/window-manager-ipcs.ts

@@ -2,6 +2,9 @@ import { ipcMain } from "electron";
 import { WindowManagerService } from "../services/window-manager.service";
 import { IpcRequest } from "shared/models/ipc";
 import { AppWindow } from "shared/models/window-manager/app-window.model";
+import { BSLauncherService } from "../services/bs-launcher.service";
+
+const launcher = BSLauncherService.getInstance();
 
 ipcMain.on("open-window-then-close-all", async (event, request: IpcRequest<AppWindow>) => {
     const windowManager = WindowManagerService.getInstance();
@@ -12,11 +15,13 @@ ipcMain.on("open-window-then-close-all", async (event, request: IpcRequest<AppWi
 });
 
 ipcMain.on("close-all-windows", async (event, request: IpcRequest<AppWindow>) => {
+    await launcher.restoreSteamVR();
     const windowManager = WindowManagerService.getInstance();
     windowManager.closeAllWindows(request.args);
 });
 
 ipcMain.on("close-windows", async (event, request: IpcRequest<AppWindow[]>) => {
+    await launcher.restoreSteamVR();
     const windowManager = WindowManagerService.getInstance();
     windowManager.close(...request.args);
 });

src/main/main.ts

@@ -9,7 +9,7 @@
  * `./src/main.js` using webpack. This gives us some performance wins.
  */
 import path from 'path';
-import { app, protocol } from 'electron';
+import { app, ipcMain, protocol } from 'electron';
 import log from 'electron-log';
 import './ipcs';
 import { UtilsService } from './services/utils.service';
@@ -20,6 +20,8 @@ import { LocalMapsManagerService } from './services/additional-content/local-map
 import { LocalPlaylistsManagerService } from './services/additional-content/local-playlists-manager.service';
 import { LocalModelsManagerService } from './services/additional-content/local-models-manager.service';
 import { APP_NAME } from './constants';
+import { BSLauncherService } from './services/bs-launcher.service';
+import { IpcRequest } from 'shared/models/ipc';
 
 const isDebug = process.env.NODE_ENV === 'development' || process.env.DEBUG_PROD === 'true';
 
@@ -31,9 +33,6 @@ log.transports.file.resolvePath = (() => {
 
 log.catchErrors();
 
-const utilsService = UtilsService.getInstance();
-utilsService.setAssetsPath(app.isPackaged ? path.join(process.resourcesPath, 'assets') : path.join(__dirname, '../../assets'));
-
 if (process.env.NODE_ENV === 'production') {
   const sourceMapSupport = require('source-map-support');
   sourceMapSupport.install();
@@ -63,14 +62,6 @@ const initServicesMustBeInitialized = () => {
     // Model
 }
 
-app.on('window-all-closed', () => {
-    // Respect the OSX convention of having the application in memory even
-    // after all windows have been closed
-    if (process.platform !== 'darwin') {
-        app.quit();
-    }
-});
-
 const gotTheLock = app.requestSingleInstanceLock();
 
 if(!gotTheLock){
@@ -108,5 +99,12 @@ else{
             callback(pathname);
         });
 
+        BSLauncherService.getInstance().restoreSteamVR();
+
+        // Log renderer errors
+        ipcMain.on('log-error', (event, args: IpcRequest<any>) => {
+            log.error(args?.args);
+        });
+
     }).catch(log.error);
 }

src/main/services/additional-content/local-maps-manager.service.ts

@@ -6,8 +6,8 @@ import { BSLocalVersionService } from "../bs-local-version.service";
 import { InstallationLocationService } from "../installation-location.service";
 import { UtilsService } from "../utils.service";
 import crypto from "crypto";
-import { lstatSync, symlinkSync, unlinkSync } from "fs";
-import { copy, copySync } from "fs-extra";
+import { lstatSync, unlinkSync } from "fs";
+import { copySync } from "fs-extra";
 import StreamZip from "node-stream-zip";
 import { RequestService } from "../request.service";
 import sanitize from "sanitize-filename";
@@ -18,6 +18,9 @@ import { ipcMain } from "electron";
 import { IpcRequest } from 'shared/models/ipc';
 import { Observable } from "rxjs";
 import { Archive } from "../../models/archive.class";
+import { deleteFolder, ensureFolderExist, getFoldersInFolder, pathExist } from "../../helpers/fs.helpers";
+import { readFile } from "fs/promises";
+import { FolderLinkerService } from "../folder-linker.service";
 
 export class LocalMapsManagerService {
 
@@ -28,8 +31,9 @@ export class LocalMapsManagerService {
         return LocalMapsManagerService.instance;
     }
 
-    private readonly LEVELS_ROOT_FOLDER = "Beat Saber_Data";
-    private readonly CUSTOM_LEVELS_FOLDER = "CustomLevels";
+    public static readonly LEVELS_ROOT_FOLDER = "Beat Saber_Data";
+    public static readonly CUSTOM_LEVELS_FOLDER = "CustomLevels";
+    public static readonly SHARED_MAPS_FOLDER = "SharedMaps";
 
     private readonly DEEP_LINKS = {
         BeatSaver: "beatsaver",
@@ -42,6 +46,7 @@ export class LocalMapsManagerService {
     private readonly reqService: RequestService;
     private readonly deepLink: DeepLinkService;
     private readonly windows: WindowManagerService;
+    private readonly linker = FolderLinkerService.getInstance();
 
     private constructor(){
         this.localVersion = BSLocalVersionService.getInstance();
@@ -50,6 +55,7 @@ export class LocalMapsManagerService {
         this.reqService = RequestService.getInstance();
         this.deepLink = DeepLinkService.getInstance();
         this.windows = WindowManagerService.getInstance();
+        this.linker = FolderLinkerService.getInstance();
 
         this.deepLink.addLinkOpenedListener(this.DEEP_LINKS.BeatSaver, link => {
             log.info("DEEP-LINK RECEIVED FROM", this.DEEP_LINKS.BeatSaver, link);
@@ -64,10 +70,10 @@ export class LocalMapsManagerService {
 
     public async getMapsFolderPath(version?: BSVersion): Promise<string>{
 
-        if(version){ return path.join(await this.localVersion.getVersionPath(version), this.LEVELS_ROOT_FOLDER, this.CUSTOM_LEVELS_FOLDER); }
-        const sharedMapsPath = path.join(this.installLocation.sharedMapsPath, this.CUSTOM_LEVELS_FOLDER);
-        if(!(await this.utils.pathExist(sharedMapsPath))){
-            this.utils.createFolderIfNotExist(sharedMapsPath);
+        if(version){ return path.join(await this.localVersion.getVersionPath(version), LocalMapsManagerService.LEVELS_ROOT_FOLDER, LocalMapsManagerService.CUSTOM_LEVELS_FOLDER); }
+        const sharedMapsPath = path.join(this.installLocation.sharedContentPath, LocalMapsManagerService.SHARED_MAPS_FOLDER, LocalMapsManagerService.CUSTOM_LEVELS_FOLDER);
+        if(!(await pathExist(sharedMapsPath))){
+            await ensureFolderExist(sharedMapsPath);
         }
         return sharedMapsPath;
     }
@@ -79,7 +85,7 @@ export class LocalMapsManagerService {
         for(const set of mapRawInfo._difficultyBeatmapSets){
             for(const diff of set._difficultyBeatmaps){
                 const diffFilePath = path.join(mapPath, diff._beatmapFilename);
-                const diffContent = await this.utils.readFileAsync(diffFilePath).catch(() => null);
+                const diffContent = await readFile(diffFilePath, {encoding: "utf-8"}).catch(() => null);
                 diffContent && shasum.update(diffContent);
             }
         }
@@ -90,9 +96,9 @@ export class LocalMapsManagerService {
     private async loadMapInfoFromPath(mapPath: string): Promise<BsmLocalMap>{
         const infoFilePath = path.join(mapPath, "Info.dat");
 
-        if(!(await this.utils.pathExist(infoFilePath))){ return null; }
+        if(!(await pathExist(infoFilePath))){ return null; }
 
-        const rawInfoString = await this.utils.readFileAsync(infoFilePath);
+        const rawInfoString = await readFile(infoFilePath, {encoding: "utf-8"});
 
         const rawInfo: RawMapInfoData = JSON.parse(rawInfoString);
         const coverUrl = new URL(`file:///${path.join(mapPath, rawInfo._coverImageFilename)}`).href;
@@ -106,7 +112,7 @@ export class LocalMapsManagerService {
     private async downloadMapZip(zipUrl: string): Promise<{zip: StreamZip.StreamZipAsync, zipPath: string}>{
         const fileName = path.basename(zipUrl);
         const tempPath = this.utils.getTempPath();
-        this.utils.createFolderIfNotExist(this.utils.getTempPath());
+        await ensureFolderExist(this.utils.getTempPath());
         const dest = path.join(tempPath, fileName);
 
         const zipPath = await this.reqService.downloadFile(zipUrl, dest);
@@ -137,7 +143,7 @@ export class LocalMapsManagerService {
             (async () => {
                 const levelsFolder = await this.getMapsFolderPath(version);
 
-                const levelsPaths = (await this.utils.pathExist(levelsFolder)) ? this.utils.listDirsInDir(levelsFolder, true) : [];
+                const levelsPaths = (await pathExist(levelsFolder)) ? await getFoldersInFolder(levelsFolder) : [];
 
                 progression.total = levelsPaths.length;
 
@@ -169,7 +175,7 @@ export class LocalMapsManagerService {
 
         const levelsPath = await this.getMapsFolderPath(version);
 
-        const isPathExist = await this.utils.pathExist(levelsPath);
+        const isPathExist = await pathExist(levelsPath);
 
         if(!isPathExist){ return false; }
 
@@ -177,36 +183,13 @@ export class LocalMapsManagerService {
     }
 
     public async linkVersionMaps(version: BSVersion, keepMaps: boolean): Promise<void>{
-
-        if(await this.versionIsLinked(version)){ return; }
-
-        const sharedMapsPath = await this.getMapsFolderPath();
         const versionMapsPath = await this.getMapsFolderPath(version);
-
-        if(keepMaps){
-            await this.utils.moveDirContent(versionMapsPath, sharedMapsPath);
-        }
-
-        await this.utils.deleteFolder(versionMapsPath);
-        
-        symlinkSync(sharedMapsPath, versionMapsPath, "junction");
+        return this.linker.linkFolder(versionMapsPath, {keepContents: keepMaps, intermediateFolder: LocalMapsManagerService.SHARED_MAPS_FOLDER});
     }
 
     public async unlinkVersionMaps(version: BSVersion, keepMaps: boolean): Promise<void>{
-        
-        const sharedMapsPath = await this.getMapsFolderPath();
         const versionMapsPath = await this.getMapsFolderPath(version);
-
-        if(await this.versionIsLinked(version)){
-            unlinkSync(versionMapsPath);
-        }
-
-        this.utils.createFolderIfNotExist(versionMapsPath);
-        
-        if(keepMaps){
-            await copy(sharedMapsPath, versionMapsPath);
-        }
-
+        return this.linker.unlinkFolder(versionMapsPath, {keepContents: keepMaps, intermediateFolder: LocalMapsManagerService.SHARED_MAPS_FOLDER});
     }
 
     public deleteMaps(maps: BsmLocalMap[]): Observable<DeleteMapsProgress>{
@@ -221,7 +204,7 @@ export class LocalMapsManagerService {
                     for(const folder of mapsFolders){
                         const detail = await this.loadMapInfoFromPath(folder);
                         if(!mapsHashsToDelete.includes(detail?.hash)){ continue; }
-                        await this.utils.deleteFolder(folder);
+                        await deleteFolder(folder);
                         progress.deleted++;
                         observer.next(progress);
                     }
@@ -249,7 +232,7 @@ export class LocalMapsManagerService {
 
         if(!zip){ throw `Cannot download ${zipUrl}`; }
 
-        this.utils.createFolderIfNotExist(mapPath);
+        await ensureFolderExist(mapPath);
 
         await zip.extract(null, mapPath);
         await zip.close();
@@ -291,7 +274,7 @@ export class LocalMapsManagerService {
 
             const versionMapsPath = await this.getMapsFolderPath(version);
 
-            this.utils.createFolderIfNotExist(versionMapsPath);
+            await ensureFolderExist(versionMapsPath);
 
             copySync(downloadedMap.path, path.join(versionMapsPath, path.basename(downloadedMap.path)), {overwrite: true});
 
@@ -311,6 +294,4 @@ export class LocalMapsManagerService {
         return Array.from(Object.values(this.DEEP_LINKS)).every(link => this.deepLink.isDeepLinkRegistred(link));
     }
 
-    
-
 }

src/main/services/additional-content/local-models-manager.service.ts

@@ -11,6 +11,7 @@ import path from "path";
 import { RequestService } from "../request.service";
 import { copyFileSync } from "fs-extra";
 import sanitize from "sanitize-filename";
+import { ensureFolderExist } from "../../helpers/fs.helpers";
 
 export class LocalModelsManagerService {
 
@@ -74,7 +75,7 @@ export class LocalModelsManagerService {
         const versionPath = await this.localVersion.getVersionPath(version);
         const modelFolderPath = path.join(versionPath, this.MODEL_TYPE_FOLDER[type]);
 
-        this.utils.createFolderIfNotExist(modelFolderPath);
+        await ensureFolderExist(modelFolderPath);
 
         return modelFolderPath;
 

src/main/services/additional-content/local-playlists-manager.service.ts

@@ -15,6 +15,7 @@ import { BPList, DownloadPlaylistProgression } from "shared/models/playlists/pla
 import { copyFileSync, readFileSync } from "fs";
 import { BeatSaverService } from "../thrid-party/beat-saver/beat-saver.service";
 import { copySync } from "fs-extra";
+import { ensureFolderExist, pathExist } from "../../helpers/fs.helpers";
 
 export class LocalPlaylistsManagerService {
 
@@ -80,7 +81,7 @@ export class LocalPlaylistsManagerService {
 
         const folder =  path.join(versionFolder, this.PLAYLISTS_FOLDER);
 
-        await this.utils.createFolderIfNotExist(folder)
+        await ensureFolderExist(folder)
 
         return folder;
 
@@ -92,7 +93,7 @@ export class LocalPlaylistsManagerService {
 
         const bpListDest = path.join(playlistFolder, path.basename(bpListUrlOrPath)); 
 
-        if(this.utils.pathExist(bpListUrlOrPath)){
+        if(await pathExist(bpListUrlOrPath)){
             copyFileSync(bpListUrlOrPath, bpListDest);
         }
         else{
@@ -105,7 +106,7 @@ export class LocalPlaylistsManagerService {
 
     private async readPlaylistFile(path: string): Promise<BPList>{
         
-        if(!this.utils.pathExist(path)){ throw `bplist file not exist at ${path}`; }
+        if(!(await pathExist(path))){ throw `bplist file not exist at ${path}`; }
 
         const rawContent = readFileSync(path).toString();
 

src/main/services/bs-installer.service.ts

@@ -12,6 +12,7 @@ import isOnline from 'is-online';
 import { WindowManagerService } from "./window-manager.service";
 import { copy, copySync } from "fs-extra";
 import { clean, satisfies } from "semver";
+import { ensureFolderExist, pathExist } from "../helpers/fs.helpers";
 
 export class BSInstallerService{
 
@@ -94,11 +95,11 @@ export class BSInstallerService{
     if(!bsVersion){ return {type: "[Error]"}; }
     if(!(await isOnline({timeout: 1500}))){ throw "no-internet"; }
 
-    this.utils.createFolderIfNotExist(this.installLocationService.versionsDirectory);
+    await ensureFolderExist(this.installLocationService.versionsDirectory);
 
     const versionPath = await this.localVersionService.getVersionPath(bsVersion)
 
-    const dest = !downloadInfos.isVerification ? this.getPathNotAleardyExist(versionPath) : versionPath;
+    const dest = !downloadInfos.isVerification ? await this.getPathNotAleardyExist(versionPath) : versionPath;
 
     const downloadVersion: BSVersion = {...downloadInfos.bsVersion, ...(path.basename(dest) !== downloadInfos.bsVersion.BSVersion && {name: path.basename(dest)})}
 
@@ -186,15 +187,15 @@ export class BSInstallerService{
     })
   }
 
-    private getPathNotAleardyExist(path: string): string{
+    private async getPathNotAleardyExist(path: string): Promise<string>{
         let destPath = path;
-        let folderExist = this.utils.pathExist(destPath);
+        let folderExist = await pathExist(destPath);
         let i = 0;
 
         while(folderExist){
             i++;
             destPath = `${path} (${i})`;
-            folderExist = this.utils.pathExist(destPath);
+            folderExist = await pathExist(destPath);
         }
 
         return destPath
@@ -206,7 +207,7 @@ export class BSInstallerService{
 
         if(!rawBsVersion){ throw new Error("NOT_BS_FOLDER"); }
 
-        const destPath = this.getPathNotAleardyExist(await this.localVersionService.getVersionPath(rawBsVersion));
+        const destPath = await this.getPathNotAleardyExist(await this.localVersionService.getVersionPath(rawBsVersion));
 
         await copy(path, destPath, {dereference: true});
 

src/main/services/bs-launcher.service.ts

@@ -1,11 +1,15 @@
 import path from "path";
 import { LaunchResult, LauchOption } from "shared/models/bs-launch";
 import { UtilsService } from "./utils.service";
-import { BS_EXECUTABLE, BS_APP_ID } from "../constants";
+import { BS_EXECUTABLE, BS_APP_ID, STEAMVR_APP_ID } from "../constants";
 import { ChildProcessWithoutNullStreams, spawn } from "child_process";
 import { SteamService } from "./steam.service";
 import { BSLocalVersionService } from "./bs-local-version.service";
 import { OculusService } from "./oculus.service";
+import { pathExist } from "../helpers/fs.helpers";
+import { rename } from "fs/promises";
+import log from "electron-log";
+import { timer } from "rxjs";
 
 export class BSLauncherService{
 
@@ -30,6 +34,23 @@ export class BSLauncherService{
         this.localVersionService = BSLocalVersionService.getInstance();
     }
 
+    private getSteamVRPath(): Promise<string>{
+        return this.steamService.getGameFolder(STEAMVR_APP_ID, "SteamVR");
+    }
+
+    private async backupSteamVR(): Promise<void>{
+        const steamVrFolder = await this.getSteamVRPath();
+        if(!await pathExist(steamVrFolder)){ return; }
+        return rename(steamVrFolder, steamVrFolder + ".bak").catch(log.error);
+    }
+
+    public async restoreSteamVR(): Promise<void>{
+        const steamVrFolder = await this.getSteamVRPath();
+        const steamVrBackup = steamVrFolder + ".bak";
+        if(!await pathExist(steamVrBackup)){ return; }
+        return rename(steamVrFolder + ".bak", steamVrFolder).catch(log.error);
+    }
+
     public isBsRunning(): boolean{
         return this.bsProcess?.connected || this.utilsService.taskRunning(BS_EXECUTABLE);
     }
@@ -42,24 +63,44 @@ export class BSLauncherService{
         const cwd = await this.localVersionService.getVersionPath(launchOptions.version);
         const exePath = path.join(cwd, BS_EXECUTABLE);
 
-        if(!this.utilsService.pathExist(exePath)){ return "EXE_NOT_FINDED"; }
+        if(!(await pathExist(exePath))){ return "EXE_NOT_FINDED"; }
         
-        const launchMods = [];
+        let launchArgs = [];
 
-        if(launchOptions.oculus){ launchMods.push("-vrmode oculus"); }
-        if(launchOptions.desktop){ launchMods.push("fpfc"); }
-        if(launchOptions.debug){ launchMods.push("--verbose"); }
+        if(!launchOptions.version.steam && !launchOptions.version.oculus){ launchArgs.push("--no-yeet"); }
+        if(launchOptions.oculus){ launchArgs.push("-vrmode oculus"); }
+        if(launchOptions.desktop){ launchArgs.push("fpfc"); }
+        if(launchOptions.debug){ launchArgs.push("--verbose"); }
+        if(launchOptions.additionalArgs){ launchArgs.push(...launchOptions.additionalArgs); }
 
-        if(launchOptions.debug){
-            this.bsProcess = spawn(`\"${exePath}\"`, launchMods, {shell: true, cwd, env: {...process.env, "SteamAppId": BS_APP_ID}, detached: true, windowsVerbatimArguments: true });
+        launchArgs = Array.from(new Set(launchArgs).values());
+
+        let restoreTimout: NodeJS.Timeout;
+
+        if(launchArgs.includes("fpfc")){
+            await this.backupSteamVR().catch(() => {
+                this.restoreSteamVR();
+            }).finally(() => {
+                restoreTimout = setTimeout(() => this.restoreSteamVR(), 35_000);
+            });
+            await timer(2_000).toPromise();
         }
         else{
-            this.bsProcess = spawn(`\"${exePath}\"`, launchMods, {shell: true, cwd, env: {...process.env, "SteamAppId": BS_APP_ID} });
+            await this.restoreSteamVR();
         }
 
-        this.bsProcess.on('message', msg => console.log(msg));
-        this.bsProcess.on('error', err => console.log(err));
-        this.bsProcess.on('exit', code => this.utilsService.ipcSend("bs-launch.exit", {data: code, success: code === 0}));
+        if(launchOptions.debug){
+            this.bsProcess = spawn(`\"${exePath}\"`, launchArgs, {shell: true, cwd, env: {...process.env, "SteamAppId": BS_APP_ID}, detached: true, windowsVerbatimArguments: true });
+        }
+        else{
+            this.bsProcess = spawn(`\"${exePath}\"`, launchArgs, {shell: true, cwd, env: {...process.env, "SteamAppId": BS_APP_ID} });
+        }
+
+        this.bsProcess.on('error', err => log.error(err));
+        this.bsProcess.on('exit', code => {
+            this.restoreSteamVR().finally(() => clearTimeout(restoreTimout));
+            this.utilsService.ipcSend("bs-launch.exit", {data: code, success: code === 0})
+        });
 
         return "LAUNCHED";
     }

src/main/services/bs-local-version.service.ts

@@ -2,11 +2,9 @@ import { BSVersionLibService } from "./bs-version-lib.service";
 import { BSVersion, PartialBSVersion } from 'shared/bs-version.interface';
 import { InstallationLocationService } from "./installation-location.service";
 import { SteamService } from "./steam.service";
-import { UtilsService } from "./utils.service";
 import { BS_APP_ID, OCULUS_BS_DIR } from "../constants";
 import path from "path";
 import { createReadStream } from "fs";
-import fs from "fs-extra";
 import { ConfigurationService } from "./configuration.service";
 import { rename } from "fs/promises";
 import { BsmException } from "shared/models/bsm-exception.model";
@@ -14,6 +12,8 @@ import log from "electron-log";
 import { OculusService } from "./oculus.service";
 import { DownloadLinkType } from "shared/models/mods";
 import sanitize from "sanitize-filename";
+import { copyDirectoryWithJunctions, deleteFolder, getFoldersInFolder, pathExist } from "../helpers/fs.helpers";
+import { FolderLinkerService } from "./folder-linker.service";
 
 export class BSLocalVersionService{
 
@@ -22,11 +22,11 @@ export class BSLocalVersionService{
    private readonly CUSTOM_VERSIONS_KEY = "custom-versions";
 
    private readonly installLocationService: InstallationLocationService;
-   private readonly utilsService: UtilsService;
    private readonly steamService: SteamService;
    private readonly oculusService: OculusService;
    private readonly remoteVersionService: BSVersionLibService;
    private readonly configService: ConfigurationService;
+   private readonly linker: FolderLinkerService;
 
    public static getInstance(): BSLocalVersionService{
       if(!BSLocalVersionService.instance){ BSLocalVersionService.instance = new BSLocalVersionService(); }
@@ -35,18 +35,18 @@ export class BSLocalVersionService{
 
     private constructor(){
         this.installLocationService = InstallationLocationService.getInstance();
-        this.utilsService = UtilsService.getInstance();
         this.steamService = SteamService.getInstance();
         this.oculusService = OculusService.getInstance();
         this.remoteVersionService = BSVersionLibService.getInstance();
         this.configService = ConfigurationService.getInstance();
+        this.linker = FolderLinkerService.getInstance();
     }
 
     
 
    public async getVersionOfBSFolder(bsPath: string): Promise<PartialBSVersion>{
       const versionFilePath = path.join(bsPath, 'Beat Saber_Data', 'globalgamemanagers');
-      if(!this.utilsService.pathExist(versionFilePath)){ return null; }
+      if(!(await pathExist(versionFilePath))){ return null; }
       const versionsAvailable = await this.remoteVersionService.getAvailableVersions();
       return new Promise<PartialBSVersion>(resolve => {
          const stream = createReadStream(versionFilePath);
@@ -96,6 +96,7 @@ export class BSLocalVersionService{
    public async getVersionPath(version: BSVersion): Promise<string>{
       if(version.steam){ return this.steamService.getGameFolder(BS_APP_ID, "Beat Saber") }
       if(version.oculus){ return this.oculusService.getGameFolder(OCULUS_BS_DIR); }
+      console.log("getVersionPath", this.getVersionFolder(version), version);
       return path.join(
          this.installLocationService.versionsDirectory,
          this.getVersionFolder(version)
@@ -118,8 +119,7 @@ export class BSLocalVersionService{
 
     private async getSteamVersion(): Promise<BSVersion>{
         const steamBsFolder = await this.steamService.getGameFolder(BS_APP_ID, "Beat Saber");
-
-        if(!steamBsFolder || !this.utilsService.pathExist(steamBsFolder)){ return null; }
+        if(!steamBsFolder || !(await pathExist(steamBsFolder))){ return null; }
         const steamBsVersion = await this.getVersionOfBSFolder(steamBsFolder);
 
         if(!steamBsVersion){ return null; }
@@ -146,11 +146,11 @@ export class BSLocalVersionService{
         if(steamVersion){ versions.push(steamVersion); }
 
         const oculusVersion = await this.getOculusVersion();
-        if(oculusVersion){ versions.push(oculusVersion); }  
+        if(oculusVersion){ versions.push(oculusVersion); }
 
-        if(!this.utilsService.pathExist(this.installLocationService.versionsDirectory)){ return versions }
+        if(!(await pathExist(this.installLocationService.versionsDirectory))){ return versions }
 
-        const folderInInstallation = this.utilsService.listDirsInDir(this.installLocationService.versionsDirectory, true);
+        const folderInInstallation = await getFoldersInFolder(this.installLocationService.versionsDirectory);
 
         for(const f of folderInInstallation){
             log.info("try get version from folder", f);
@@ -176,9 +176,9 @@ export class BSLocalVersionService{
    public async deleteVersion(version: BSVersion): Promise<boolean>{
       if(version.steam || version.oculus){ return false; }
       const versionFolder = await this.getVersionPath(version);
-      if(!this.utilsService.pathExist(versionFolder)){ return true; }
+      if(!(await pathExist(versionFolder))){ return true; }
 
-      return this.utilsService.deleteFolder(versionFolder)
+      return deleteFolder(versionFolder)
          .then(() => { return true; })
          .catch(() => { return false; })
    }
@@ -197,7 +197,7 @@ export class BSLocalVersionService{
          return editedVersion;
       }
 
-      if(this.utilsService.pathExist(newPath) && newPath === oldPath){ throw {title: "VersionAlreadExist"} as BsmException; }
+      if((await pathExist(newPath)) && newPath === oldPath){ throw {title: "VersionAlreadExist"} as BsmException; }
 
       return rename(oldPath, newPath).then(() => {
          this.deleteCustomVersion(version);
@@ -221,9 +221,9 @@ export class BSLocalVersionService{
          this.addCustomVersion(cloneVersion);
       }
 
-      if(this.utilsService.pathExist(newPath)){ throw {title: "VersionAlreadExist"} as BsmException; }
+      if(await pathExist(newPath)){ throw {title: "VersionAlreadExist"} as BsmException; }
 
-      return fs.copy(originPath, newPath, {dereference: true}).then(() => {
+      return copyDirectoryWithJunctions(originPath, newPath).then(() => {
          this.addCustomVersion(cloneVersion);
          return cloneVersion;
       }).catch((err: Error) => {
@@ -232,4 +232,18 @@ export class BSLocalVersionService{
       })
    }
 
+    public async getLinkedFolders(version: BSVersion): Promise<string[]>{
+        const versionPath = await this.getVersionPath(version);
+        const [rootFolders, beatSaberDataFolders] = await Promise.all([
+            getFoldersInFolder(versionPath),
+            getFoldersInFolder(path.join(versionPath, "Beat Saber_Data"))
+        ]);
+
+        const linkedFolder = Promise.all([...rootFolders, ...beatSaberDataFolders].map(async folder => {
+            if(!(await this.linker.isFolderSymlink(folder))){ return null; }
+            return folder;   
+        }));
+
+        return (await linkedFolder).filter(folder => folder);
+    }
 }

src/main/services/bs-version-lib.service.ts

@@ -1,10 +1,10 @@
-import { get } from 'https'
 import { UtilsService } from './utils.service';
 import path from 'path';
 import { writeFileSync } from 'fs';
 import { BSVersion } from 'shared/bs-version.interface';
 import { RequestService } from "./request.service"
 import isOnline from 'is-online';
+import { readJSON } from 'fs-extra';
 
 export class BSVersionLibService{
 
@@ -35,8 +35,7 @@ export class BSVersionLibService{
 
    private async getLocalVersions(): Promise<BSVersion[]>{
       const localVersionsPath = path.join(this.utilsService.getAssestsJsonsPath(), this.VERSIONS_FILE);
-      const rawVersion = await this.utilsService.readFileAsync(localVersionsPath);
-      return JSON.parse(rawVersion);
+      return  readJSON(localVersionsPath);
    }
 
    private async updateLocalVersions(versions: BSVersion[]): Promise<void>{

src/main/services/folder-linker.service.ts

@@ -0,0 +1,117 @@
+import { InstallationLocationService } from "./installation-location.service";
+import log from "electron-log";
+import { deleteFolder, ensureFolderExist, moveFolderContent, pathExist, unlinkPath } from "../helpers/fs.helpers";
+import { lstat, symlink } from "fs/promises";
+import path from "path";
+import { copy } from "fs-extra";
+
+export class FolderLinkerService {
+
+    private static instance: FolderLinkerService;
+
+    public static getInstance(): FolderLinkerService {
+        if (!FolderLinkerService.instance) {
+            FolderLinkerService.instance = new FolderLinkerService();
+        }
+        return FolderLinkerService.instance;
+    }
+
+    private readonly installLocationService = InstallationLocationService.getInstance();
+
+    private readonly sharedFolder: string;
+
+    private constructor(){
+        this.installLocationService = InstallationLocationService.getInstance();
+
+        this.sharedFolder = this.installLocationService.sharedContentPath;
+    }
+
+    private getSharedFolder(folderPath: string, intermediateFolder?: string): string {
+        return path.join(this.sharedFolder, intermediateFolder ?? "", path.basename(folderPath));
+    }
+
+    private getBackupFolder(folderPath: string): string {
+        return folderPath + "_backup";
+    }
+
+    private async backupFolder(folderPath: string): Promise<void> {
+        if(!await pathExist(folderPath)){ return; }
+        return copy(folderPath, this.getBackupFolder(folderPath), { overwrite: true, errorOnExist: false });
+    }
+
+    private async restoreFolder(folderPath: string): Promise<void> {
+        if(!await pathExist( this.getBackupFolder(folderPath) )){ return; }
+        return copy(this.getBackupFolder(folderPath), folderPath, { overwrite: true, errorOnExist: false }).then(() => {
+            return deleteFolder(this.getBackupFolder(folderPath));
+        });
+    }
+
+    public async linkFolder(folderPath: string, options?: LinkOptions): Promise<void> {
+
+        if(await this.isFolderSymlink(folderPath)){ return; }
+
+        const sharedPath = this.getSharedFolder(folderPath, options?.intermediateFolder);
+
+        await ensureFolderExist(sharedPath);
+
+        if(options?.backup === true){
+            await this.backupFolder(folderPath);
+        }
+
+        await ensureFolderExist(folderPath);
+
+        if(options?.keepContents !== false){
+            await moveFolderContent(folderPath, sharedPath).toPromise();
+        }
+
+        await deleteFolder(folderPath);
+
+        return symlink(sharedPath, folderPath, "junction");
+    }
+
+    public async unlinkFolder(folderPath: string, options?: UnlinkOptions): Promise<void> {
+
+        if(!(await this.isFolderSymlink(folderPath))){ return; }
+        await unlinkPath(folderPath);
+
+        const sharedPath = this.getSharedFolder(folderPath, options?.intermediateFolder);
+
+        await ensureFolderExist(folderPath);
+
+        if(options?.backup === true){
+            return this.restoreFolder(folderPath);
+        }
+
+        if(options.moveContents === true){
+            return moveFolderContent(sharedPath, folderPath).toPromise().then(() => {});
+        }
+
+        if(options?.keepContents === false){ return; }
+
+        await ensureFolderExist(sharedPath);
+        
+        return copy(sharedPath, folderPath, { errorOnExist: false, recursive: true });
+    }
+
+    public async isFolderSymlink(folder: string): Promise<boolean> {
+        try{
+            if(!(await pathExist(folder))){ return false; }
+            return lstat(folder).then(stat => stat.isSymbolicLink());
+        }
+        catch(e){
+            log.error(e);
+        }
+        return false;
+    }
+
+}
+
+export interface LinkOptions {
+    keepContents?: boolean,
+    intermediateFolder?: string,
+    backup?: boolean,
+}
+
+export interface UnlinkOptions extends LinkOptions {
+    moveContents?: boolean,
+};

src/main/services/installation-location.service.ts

@@ -1,10 +1,10 @@
 import path from "path";
-import { UtilsService } from "./utils.service";
 import fs from 'fs-extra';
 import log from "electron-log";
 import { app } from "electron";
 import { BsmException } from "shared/models/bsm-exception.model";
 import ElectronStore from "electron-store";
+import { ensureFolderExist, pathExist } from "../helpers/fs.helpers";
 
 export class InstallationLocationService {
 
@@ -19,10 +19,8 @@ export class InstallationLocationService {
     private readonly VERSIONS_FOLDER = "BSInstances";
 
     private readonly SHARED_CONTENT_FOLDER = "SharedContent";
-    private readonly SHARED_MAPS_FOLDER = "SharedMaps";
 
     private readonly STORE_INSTALLATION_PATH_KEY = "installation-folder";
-    private readonly utilsService: UtilsService;
 
     private readonly installPathConfig: ElectronStore;
     private readonly updateListeners: Set<Listener> = new Set();
@@ -31,7 +29,6 @@ export class InstallationLocationService {
 
     private constructor(){
         this.installPathConfig = new ElectronStore({watch: true});
-        this.utilsService = UtilsService.getInstance();
         this.initInstallationLocation();
 
         this.installPathConfig.onDidChange(this.STORE_INSTALLATION_PATH_KEY, () => {
@@ -50,8 +47,8 @@ export class InstallationLocationService {
     public setInstallationDirectory(newDir: string): Promise<string>{
         const oldDir = this.installationDirectory;
         const newDest = path.join(newDir, this.INSTALLATION_FOLDER);
-        return new Promise<string>((resolve, reject) => {
-            if(!this.utilsService.pathExist(oldDir)){ this.utilsService.createFolderIfNotExist(oldDir); }
+        return new Promise<string>(async (resolve, reject) => {
+            if(!(await pathExist(oldDir))){ ensureFolderExist(oldDir); }
             fs.move(oldDir, newDest, { overwrite: true }).then(() => {
                 this._installationDirectory = newDir;
                 this.installPathConfig.set(this.STORE_INSTALLATION_PATH_KEY, newDir);
@@ -72,7 +69,6 @@ export class InstallationLocationService {
     public get versionsDirectory(): string { return path.join(this.installationDirectory, this.VERSIONS_FOLDER); }
 
     public get sharedContentPath(): string { return path.join(this.installationDirectory, this.SHARED_CONTENT_FOLDER); }
-    public get sharedMapsPath(): string { return path.join(this.sharedContentPath, this.SHARED_MAPS_FOLDER); }
 
 }
 

src/main/services/ipc.service.ts

@@ -1,10 +1,11 @@
-import { IpcResponse, IpcRequest } from "shared/models/ipc";
+import { IpcRequest } from "shared/models/ipc";
 import { ipcMain } from "electron";
 import { Observable } from "rxjs";
 import { IpcChannel, IpcCompleteChannel, IpcErrorChannel } from "shared/models/ipc/ipc-response.interface";
 import { AppWindow } from "shared/models/window-manager/app-window.model";
 import { WindowManagerService } from "./window-manager.service";
 import { IpcReplier } from "shared/models/ipc/ipc-request.interface";
+import log from "electron-log";
 
 export class IpcService {
 
@@ -40,13 +41,14 @@ export class IpcService {
     }
 
     public send<T>(channel: IpcChannel, window: AppWindow, response?: T|Error): void{
-        this.windows.getWindow(window).webContents.send(channel, response);
+        this.windows.getWindow(window)?.webContents?.send(channel, response);
     }
 
     public connectStream(channel: IpcChannel, window: AppWindow, observable: Observable<unknown>): void{
         observable.subscribe(data => {
             this.send(channel, window, data);
         }, error => {
+            log.error(error);
             this.send(this.getErrorChannel(channel), window, error);
         }, () => {
             this.send(this.getCompleteChannel(channel), window);

src/main/services/mods/bs-mods-manager.service.ts

@@ -11,6 +11,7 @@ import { RequestService } from "../request.service";
 import { spawn } from "child_process";
 import { BS_EXECUTABLE } from "../../constants";
 import log from "electron-log";
+import { deleteFolder, ensureFolderExist, pathExist, unlinkPath } from "../../helpers/fs.helpers";
 
 export class BsModsManagerService {
 
@@ -60,7 +61,7 @@ export class BsModsManagerService {
     private async getModsInDir(version: BSVersion, modsDir: ModsInstallFolder): Promise<Mod[]>{
         const bsPath = await this.bsLocalService.getVersionPath(version);
         const modsPath = path.join(bsPath, modsDir);
-        if(!this.utilsService.pathExist(modsPath)){ return []; }
+        if(!(await pathExist(modsPath))){ return []; }
         const files = fs.readdirSync(modsPath);
         const promises = files.map(f => {
             return (async() => {
@@ -89,7 +90,7 @@ export class BsModsManagerService {
     private async getBsipaInstalled(version: BSVersion): Promise<Mod>{
         const bsPath = await this.bsLocalService.getVersionPath(version);
         const injectorPath = path.join(bsPath, "Beat Saber_Data", "Managed", "IPA.Injector.dll");
-        if(!this.utilsService.pathExist(injectorPath)){ return undefined; }
+        if(!(await pathExist(injectorPath))){ return undefined; }
         const injectorMd5 = await md5File(injectorPath);
         return this.getIpaFromHash(injectorMd5);
     }
@@ -98,7 +99,7 @@ export class BsModsManagerService {
         zipUrl = path.join(this.beatModsApi.BEAT_MODS_URL, zipUrl);
         const fileName = path.basename(zipUrl);
         const tempPath = this.utilsService.getTempPath();
-        this.utilsService.createFolderIfNotExist(this.utilsService.getTempPath());
+        await ensureFolderExist(this.utilsService.getTempPath());
         const dest = path.join(tempPath, fileName);
 
         const zipPath = await this.requestService.downloadFile(zipUrl, dest);
@@ -111,7 +112,7 @@ export class BsModsManagerService {
         const versionPath = await this.bsLocalService.getVersionPath(version);
         const ipaPath = path.join(versionPath, "IPA.exe");
         const bsExePath = path.join(versionPath, BS_EXECUTABLE);
-        if(!this.utilsService.pathExist(ipaPath) || !this.utilsService.pathExist(bsExePath)){ return false; }
+        if(!(await pathExist(ipaPath)) || !(await pathExist(bsExePath))){ return false; }
 
         return new Promise<boolean>(resolve => {
             const processIPA = spawn(`start /wait /min "" "${ipaPath}" ${args.join(" ")}`, {cwd: versionPath, detached: true, shell: true});
@@ -163,7 +164,7 @@ export class BsModsManagerService {
         const extracted = await zip.extract(null, destDir).then(() => true).catch(err => {log.error(err); return false});
 
         await zip.close();
-        await this.utilsService.unlinkIfExist(zipPath);
+        await unlinkPath(zipPath);
 
         const res = isBSIPA ? (extracted && (await this.executeBSIPA(version, ["-n"]))) : extracted;
 
@@ -194,8 +195,8 @@ export class BsModsManagerService {
         const download = this.getModDownload(mod, version);
 
         const verionPath = await this.bsLocalService.getVersionPath(version);
-        const hasIPAExe = this.utilsService.pathExist(path.join(verionPath, "IPA.exe"));
-        const hasIPADir = this.utilsService.pathExist(path.join(verionPath, "IPA"));
+        const hasIPAExe = await pathExist(path.join(verionPath, "IPA.exe"));
+        const hasIPADir = await pathExist(path.join(verionPath, "IPA"));
 
         if(!hasIPADir || !hasIPAExe){ return; }
 
@@ -203,7 +204,7 @@ export class BsModsManagerService {
 
         const promises = download.hashMd5.map(files => {
             const file = files.file.replaceAll("IPA/", "").replaceAll("Data", "Beat Saber_Data");
-            return this.utilsService.unlinkIfExist(path.join(verionPath, file));
+            return unlinkPath(path.join(verionPath, file));
         })
         
         await Promise.all(promises);
@@ -220,8 +221,10 @@ export class BsModsManagerService {
         const versionPath = await this.bsLocalService.getVersionPath(version);
 
         const promises = download.hashMd5.map(async files => {
-            this.utilsService.unlinkIfExist(path.join(versionPath, files.file));
-            this.utilsService.unlinkIfExist(path.join(versionPath, "IPA", "Pending", files.file));
+            return Promise.all([
+                unlinkPath(path.join(versionPath, files.file)),
+                unlinkPath(path.join(versionPath, "IPA", "Pending", files.file))
+            ]);
         });
 
         await Promise.all(promises);
@@ -306,9 +309,9 @@ export class BsModsManagerService {
 
         const versionPath = await this.bsLocalService.getVersionPath(version);
 
-        this.utilsService.rmDirIfExist(path.join(versionPath, ModsInstallFolder.PLUGINS));
-        this.utilsService.rmDirIfExist(path.join(versionPath, ModsInstallFolder.LIBS));
-        this.utilsService.rmDirIfExist(path.join(versionPath, ModsInstallFolder.IPA));
+        await deleteFolder(path.join(versionPath, ModsInstallFolder.PLUGINS));
+        await deleteFolder(path.join(versionPath, ModsInstallFolder.LIBS));
+        await deleteFolder(path.join(versionPath, ModsInstallFolder.IPA));
 
         path.resolve
 

src/main/services/oculus.service.ts

@@ -1,6 +1,7 @@
 import { UtilsService } from "./utils.service";
 import regedit from 'regedit'
 import path from "path";
+import { pathExist } from "../helpers/fs.helpers";
 
 export class OculusService {
 
@@ -57,7 +58,7 @@ export class OculusService {
 
         for(const lib of libsFolders){
             const gameFullPath = path.join(lib, rootLibDir, gameFolder);
-            if(this.utils.pathExist(gameFullPath)){ return gameFullPath; }
+            if(await pathExist(gameFullPath)){ return gameFullPath; }
         }
 
         return null;

src/main/services/steam.service.ts

@@ -4,6 +4,8 @@ import path from "path";
 import { parse } from "@node-steam/vdf";
 import { readFile } from "fs/promises";
 import { spawn } from "child_process";
+import { pathExist } from "../helpers/fs.helpers";
+import log from "electron-log";
 
 export class SteamService{
 
@@ -46,21 +48,27 @@ export class SteamService{
   }
 
   public async getGameFolder(gameId: string, gameFolder?: string): Promise<string>{
-    const steamPath = await this.getSteamPath();
+    try{
+        const steamPath = await this.getSteamPath();
 
-    let libraryFolders: any = path.join(steamPath, 'steamapps', 'libraryfolders.vdf');
+        let libraryFolders: any = path.join(steamPath, 'steamapps', 'libraryfolders.vdf');
 
-    if(!this.utils.pathExist(libraryFolders)){ return null; }
-    libraryFolders =  parse(await readFile(libraryFolders, {encoding: 'utf-8'}));
+        if(!(await pathExist(libraryFolders))){ return null; }
+        libraryFolders =  parse(await readFile(libraryFolders, {encoding: 'utf-8'}));
 
-    if(!libraryFolders.libraryfolders){ return null; }
-    libraryFolders = libraryFolders.libraryfolders
+        if(!libraryFolders.libraryfolders){ return null; }
+        libraryFolders = libraryFolders.libraryfolders
 
-    for(const libKey in Object.keys(libraryFolders)){
-      if(!libraryFolders[libKey] || !libraryFolders[libKey]["apps"]){ continue; }
-      if(libraryFolders[libKey]["apps"][gameId]){ return path.join(libraryFolders[libKey]["path"], "steamapps", "common", gameFolder); };
+        for(const libKey in Object.keys(libraryFolders)){
+            if(!libraryFolders[libKey] || !libraryFolders[libKey]["apps"]){ continue; }
+            if(libraryFolders[libKey]["apps"][gameId] != null){ return path.join(libraryFolders[libKey]["path"], "steamapps", "common", gameFolder); };
+        }
+        return null;
+    }
+    catch(e){
+        log.error(e);
+        return null;
     }
-    return null;
   }
 
     public openSteam(): Promise<boolean>{

src/main/services/supporters.service.ts

@@ -1,4 +1,5 @@
 import { writeFileSync } from "fs";
+import { readJSON } from "fs-extra";
 import { get } from "https";
 import isOnline from "is-online";
 import path from "path";
@@ -43,8 +44,7 @@ export class SupportersService {
 
     private async getLocalSupporters(): Promise<Supporter[]>{
         const patreonsPath = path.join(this.utilsService.getAssestsJsonsPath(), this.PATREONS_FILE);
-        const rawPatreons = await this.utilsService.readFileAsync(patreonsPath);
-        return JSON.parse(rawPatreons);
+        return readJSON(patreonsPath);
     }
 
     private async loadSupporters(): Promise<Supporter[]>{

src/main/services/thrid-party/beat-saver/beat-saver.service.ts

@@ -1,4 +1,4 @@
-import { splitIntoChunk } from "../../../helpers/array-tools";
+import { splitIntoChunk } from "../../../helpers/array.helpers";
 import { BsvMapDetail } from "shared/models/maps";
 import { BsvPlaylist, SearchParams } from "shared/models/maps/beat-saver.model";
 import { BeatSaverApiService } from "./beat-saver-api.service";

src/main/services/utils.service.ts

@@ -1,10 +1,6 @@
-import { existsSync, mkdirSync, readdirSync, readFile, rmSync } from "fs";
-import { moveSync } from "fs-extra"
 import { spawnSync } from "child_process";
-import { homedir } from "os";
 import path from "path";
 import { app, BrowserWindow } from "electron";
-import { rm, unlink } from "fs/promises";
 import { IpcResponse } from "shared/models/ipc";
 import log from "electron-log";
 import { AppWindow } from "shared/models/window-manager/app-window.model";
@@ -16,7 +12,7 @@ export class UtilsService{
 
   private static instance: UtilsService;
 
-  private assetsPath: string = '';
+  private assetsPath: string = app.isPackaged ? path.join(process.resourcesPath, 'assets') : path.join(__dirname, '../../../assets');
 
   private windows: Map<AppWindow, BrowserWindow> = new Map<AppWindow, BrowserWindow>();
 
@@ -37,72 +33,14 @@ export class UtilsService{
   public setMainWindows(windows: Map<AppWindow, BrowserWindow>){ this.windows = windows; }
   public getMainWindows(win: AppWindow){ return this.windows.get(win); }
 
-  public pathExist(path: string): boolean{ return existsSync(path); }
-
-  public createFolderIfNotExist(path: string): void{
-    if(!this.pathExist(path)){ mkdirSync(path, {recursive: true}); }
-  }
-
-  public async unlinkIfExist(pathToFile: string): Promise<void>{
-    if(!this.pathExist(pathToFile)){ return }
-    return unlink(pathToFile);
-  }
-
-  public async rmDirIfExist(path: string): Promise<void>{
-    if(!this.pathExist(path)){ return; }
-    return rm(path, {recursive: true, force: true});
-  }
-
   public taskRunning(task: string): boolean{
     const tasks = spawnSync('tasklist').stdout.toString();
     return tasks.includes(task);
   }
 
-  public getUserFolder(){ return homedir(); }
-
-  public getUserDocumentsFolder(): string{
-    return path.join(this.getUserFolder(), 'Documents');
-  }
-
-  public readFileAsync(path: string){
-    return new Promise<string>((resolve, reject) => {
-      readFile(path, {encoding: "utf-8", flag: "r"}, (err, data) => {
-          if(err){ reject(err); }
-          else{ resolve(data); }
-      });
-    });
-  }
-
-  public listDirsInDir(dirPath: string, fullPath = false): string[]{
-    let files = readdirSync(dirPath, { withFileTypes:true });
-    return files.reduce((acc, f) => {
-        if(!f.isDirectory()){ return acc; }
-        acc.push(fullPath ? path.join(dirPath, f.name) : f.name);
-        return acc;
-    }, []);
-  }
-
-  public async deleteFolder(folderPath: string): Promise<void>{
-    const folderExist = this.pathExist(folderPath);
-    if(!folderExist){ return; }
-    return rmSync(folderPath, {recursive: true});
-  }
-
-    public async moveDirContent(src: string, dest: string, overwrite = false): Promise<void>{
-        const [srcExist, destExist] = await Promise.all([this.pathExist(src), this.pathExist(dest)]);
-        if(!srcExist){ return; }
-        if(!destExist){ await this.createFolderIfNotExist(dest); }
-        readdirSync(src, {encoding: "utf-8"}).forEach(file => {
-            const srcFullPath = path.join(src, file);
-            const destFullPath = path.join(dest, file);
-            if(!overwrite && this.pathExist(destFullPath)){ return; }
-            moveSync(srcFullPath, destFullPath, {overwrite});
-        });
-    }
-
   public ipcSend<T = any>(channel: string, response: IpcResponse<T>): void{
     try {
-        Array.from(this.windows.values()).forEach(window => window.webContents.send(channel, response));
+        Array.from(this.windows.values()).forEach(window => window?.webContents?.send(channel, response));
     } catch (error) {
         log.error(error);
     }

src/main/services/version-folder-linker.service.ts

@@ -0,0 +1,111 @@
+import { getFoldersInFolder, pathExist } from "../helpers/fs.helpers";
+import path from "path";
+import { VersionLinkerAction, VersionLinkFolderAction, VersionUnlinkFolderAction } from "renderer/services/version-folder-linker.service";
+import { BSVersion } from "shared/bs-version.interface";
+import { LocalMapsManagerService } from "./additional-content/local-maps-manager.service";
+import { BSLocalVersionService } from "./bs-local-version.service";
+import { FolderLinkerService, LinkOptions } from "./folder-linker.service";
+
+export class VersionFolderLinkerService {
+
+    private static instance: VersionFolderLinkerService;
+
+    public static getInstance(): VersionFolderLinkerService{
+        if(!VersionFolderLinkerService.instance){ VersionFolderLinkerService.instance = new VersionFolderLinkerService() }
+        return VersionFolderLinkerService.instance;
+    }
+
+    private readonly localVersion: BSLocalVersionService;
+    private readonly folderLinker: FolderLinkerService;
+
+    private constructor(){
+        this.localVersion = BSLocalVersionService.getInstance();
+        this.folderLinker = FolderLinkerService.getInstance();
+    }
+
+    private specialFolderOption(relativeFolder: string, options: LinkOptions): LinkOptions{
+        if(relativeFolder.includes(LocalMapsManagerService.CUSTOM_LEVELS_FOLDER)){
+            return {...options, intermediateFolder: LocalMapsManagerService.SHARED_MAPS_FOLDER};
+        }
+
+        if(relativeFolder.includes("UserData")){
+            return { ...options, backup: true };
+        }
+
+        return options ?? {};
+    }
+
+    private async isOtherVersionHaveFolderLinked(relativeFolder: string, ignorePath: string): Promise<boolean>{
+        const versions = await this.localVersion.getInstalledVersions();
+        const versionPaths = (await Promise.allSettled(versions.map(version => this.localVersion.getVersionPath(version)))).reduce((acc, res) => {
+            if(res.status === "fulfilled"){
+                acc.push(res.value);
+            }
+            return acc;
+        }, [] as string[]);
+
+        for(const versionPath of versionPaths){
+            const folderPath = this.relativeToFullPath(versionPath, relativeFolder);
+            if(folderPath === ignorePath){ continue; }
+            if(await this.folderLinker.isFolderSymlink(folderPath)){ console.log(folderPath); return true; }
+        }
+
+        return false;
+    }
+
+    private relativeToFullPath(parentPath: string, relativePath: string): string{
+        return path.join(parentPath, relativePath);
+    }
+
+
+    public async linkVersionFolder(action: VersionLinkerAction): Promise<boolean>{
+        action.options = this.specialFolderOption(action.relativeFolder, action.options);
+        const versionPath = await this.localVersion.getVersionPath(action.version);
+        const folderPath = this.relativeToFullPath(versionPath, action.relativeFolder);
+        return this.folderLinker.linkFolder(folderPath, action.options).catch(() => false).then(() => true)
+    }
+
+    public async unlinkVersionFolder(action: VersionUnlinkFolderAction): Promise<boolean>{
+        action.options = this.specialFolderOption(action.relativeFolder, action.options);
+
+        const versionPath = await this.localVersion.getVersionPath(action.version);
+        const folderPath = this.relativeToFullPath(versionPath, action.relativeFolder);
+
+        action.options.moveContents = !(await this.isOtherVersionHaveFolderLinked(action.relativeFolder, folderPath));
+
+        return this.folderLinker.unlinkFolder(folderPath, action.options).catch(() => false).then(() => true);
+    }
+
+    public async doAction(action: VersionLinkerAction): Promise<boolean>{
+        if(action.type === "link"){
+            return this.linkVersionFolder(action);
+        }
+        return this.unlinkVersionFolder(action as VersionUnlinkFolderAction);
+    }
+
+    public async isFolderLinked(version: BSVersion, relativeFolder: string): Promise<boolean>{
+        const versionPath = await this.localVersion.getVersionPath(version);
+        const folderPath = this.relativeToFullPath(versionPath, relativeFolder);
+        return this.folderLinker.isFolderSymlink(folderPath);
+    }
+
+    public async getLinkedFolders(version: BSVersion, options?: { relative?: boolean }): Promise<string[]>{
+        const versionPath = await this.localVersion.getVersionPath(version);
+        const [rootFolders, beatSaberDataFolders] = await Promise.all([
+            getFoldersInFolder(versionPath),
+            getFoldersInFolder(path.join(versionPath, "Beat Saber_Data"))
+        ]);
+
+        const linkedFolder = await Promise.all([...rootFolders, ...beatSaberDataFolders].map(async folder => {
+            if(!(await this.folderLinker.isFolderSymlink(folder))){ return null; }
+            return folder;   
+        }));
+
+        if(options?.relative){
+            return linkedFolder.filter(folder => folder).map(folder => path.relative(versionPath, folder));
+        }
+
+        return linkedFolder.filter(folder => folder);
+    }
+
+}

src/renderer/components/maps-mangement-components/link-button.component.tsx

@@ -0,0 +1,30 @@
+import { motion } from "framer-motion"
+import { forwardRef } from "react"
+import { useThemeColor } from "renderer/hooks/use-theme-color.hook"
+import { BsmIcon } from "../svgs/bsm-icon.component"
+
+type Props = {
+    className?: string,
+    title?: string,
+    linked?: boolean
+    disabled?: boolean,
+    onClick?: () => void
+}
+
+export const LinkButton = motion(forwardRef((props: Props, ref) => {
+
+    const color = useThemeColor("first-color");
+
+    const linkedColor = (() => {
+        if(props.disabled){ return "orange"; }
+        if(props.linked){ return color; }
+        return "red";
+    })()
+
+    return (
+        <div ref={ref} className={props.className} title={props.title} onClick={e => {e.preventDefault(); !props.disabled && props.onClick?.()}} style={{pointerEvents: props.disabled ? "none" : "auto"}}>
+            <span className="absolute top-0 left-0 h-full w-full rounded-full brightness-50 opacity-75 dark:opacity-20 dark:filter-none" style={{backgroundColor: linkedColor}}/>
+            <BsmIcon className="p-1 absolute top-0 left-0 h-full w-full !bg-transparent -rotate-45 brightness-150" icon={props.linked ? "link" : "unlink"} style={{color: linkedColor}} />
+        </div>
+    )
+}))

src/renderer/components/maps-mangement-components/local-maps-list-panel.component.tsx

@@ -9,7 +9,7 @@ import { MapsDownloaderService } from "renderer/services/maps-downloader.service
 import { VariableSizeList } from "react-window"
 import { MapsRow } from "./maps-row.component"
 import { BehaviorSubject } from "rxjs"
-import { debounceTime, last, map, mergeMap, throttleTime } from "rxjs/operators"
+import { debounceTime, last, map, mergeMap } from "rxjs/operators"
 import { BeatSaverService } from "renderer/services/thrird-partys/beat-saver.service"
 import { OsDiagnosticService } from "renderer/services/os-diagnostic.service"
 import { useTranslation } from "renderer/hooks/use-translation.hook"
@@ -24,9 +24,10 @@ type Props = {
     className?: string,
     filter?: MapFilter
     search?: string,
+    linked?: boolean
 }
 
-export const LocalMapsListPanel = forwardRef(({version, className, filter, search} : Props, forwardRef) => {
+export const LocalMapsListPanel = forwardRef(({version, className, filter, search, linked} : Props, forwardRef) => {
 
     const mapsManager = MapsManagerService.getInstance();
     const mapsDownloader = MapsDownloaderService.getInstance();
@@ -35,7 +36,7 @@ export const LocalMapsListPanel = forwardRef(({version, className, filter, searc
 
     const t = useTranslation();
     const ref = useRef(null)
-    const isVisible = useInView(ref, {once: true});
+    const isVisible = useInView(ref, {once: true, amount: .5});
     const [maps, setMaps] = useState<BsmLocalMap[]>(null);
     const [subs] = useState<Subscription[]>([]);
     const [selectedMaps$] = useState(new BehaviorSubject<BsmLocalMap[]>([]));
@@ -63,10 +64,10 @@ export const LocalMapsListPanel = forwardRef(({version, className, filter, searc
 
     useEffect(() => {
 
+        console.log(linked);
+
         if(isVisible){
             loadMaps();
-            subs.push(mapsManager.versionLinked$.subscribe(loadMaps));
-            subs.push(mapsManager.versionUnlinked$.subscribe(loadMaps));
             mapsDownloader.addOnMapDownloadedListener((map, targerVersion) => {
                 if(targerVersion !== version){ return; }
                 setMaps(maps => maps ? [map, ...maps] : [map]);
@@ -79,7 +80,7 @@ export const LocalMapsListPanel = forwardRef(({version, className, filter, searc
             subs.forEach(s => s.unsubscribe());
             mapsDownloader.removeOnMapDownloadedListener(loadMaps);
         }
-    }, [isVisible, version]);
+    }, [isVisible, version, linked]);
 
     useEffect(() => {
         

src/renderer/components/maps-mangement-components/maps-playlists-panel.component.tsx

@@ -15,6 +15,10 @@ import { OsDiagnosticService } from "renderer/services/os-diagnostic.service"
 import { useObservable } from "renderer/hooks/use-observable.hook"
 import { BsmIcon } from "../svgs/bsm-icon.component"
 import { useTranslation } from "renderer/hooks/use-translation.hook"
+import { LinkButton } from "./link-button.component"
+import { debounceTime } from "rxjs/operators"
+import { VersionFolderLinkerService, VersionLinkerActionListener } from "renderer/services/version-folder-linker.service"
+
 
 type Props = {
     version?: BSVersion
@@ -25,12 +29,14 @@ export function MapsPlaylistsPanel({version}: Props) {
     const mapsService = MapsManagerService.getInstance();
     const mapsDownloader = MapsDownloaderService.getInstance();
     const osDiagnostic = OsDiagnosticService.getInstance();
+    const linker = VersionFolderLinkerService.getInstance();
     
     const [tabIndex, setTabIndex] = useState(0);
     const [mapFilter, setMapFilter] = useState<MapFilter>({});
     const [mapSearch, setMapSearch] = useState("");
     const [playlistSearch, setPlaylistSearch] = useState("");
     const [mapsLinked, setMapsLinked] = useState(false);
+    const [linkingPending, setLinkingPending] = useState(false);
     const isOnline = useObservable(osDiagnostic.isOnline$);
     const color = useThemeColor("first-color");
     const t = useTranslation();
@@ -38,6 +44,23 @@ export function MapsPlaylistsPanel({version}: Props) {
 
     useEffect(() => {
         loadMapIsLinked();
+
+        const sub = mapsService.$mapsLinkingPending(version).pipe(debounceTime(50)).subscribe(setLinkingPending);
+
+        const onMapsLinked: VersionLinkerActionListener = (action, linked) => {
+            if(!action.relativeFolder.includes(MapsManagerService.RELATIVE_MAPS_FOLDER)){ return; }
+            loadMapIsLinked();
+        }
+
+        linker.onVersionFolderLinked(onMapsLinked);
+        linker.onVersionFolderUnlinked(onMapsLinked);
+
+        return () => {
+            sub.unsubscribe();
+            linker.removeVersionFolderLinkedListener(onMapsLinked);
+            linker.removeVersionFolderUnlinkedListener(onMapsLinked);
+        }
+
     }, [version]);
 
     const loadMapIsLinked = () => {
@@ -53,9 +76,9 @@ export function MapsPlaylistsPanel({version}: Props) {
 
     const handleMapsLinkClick = () => {
         if(!mapsLinked){
-            return mapsService.linkVersion(version).then(loadMapIsLinked);
+            return mapsService.linkVersion(version);
         }
-        return mapsService.unlinkVersion(version).then(loadMapIsLinked);
+        return mapsService.unlinkVersion(version);
     }
 
     const handleMapsAddClick = () => {
@@ -64,8 +87,6 @@ export function MapsPlaylistsPanel({version}: Props) {
 
     const renderTab = (props: DetailedHTMLProps<React.HTMLAttributes<HTMLLIElement>, HTMLLIElement>, text: string, index: number): JSX.Element => {
 
-        const linkedColor = mapsLinked ? color : "red";
-
         const onClickLink = (index: number) => {
             if(index === 0){ handleMapsLinkClick(); }
         }
@@ -91,10 +112,17 @@ export function MapsPlaylistsPanel({version}: Props) {
                             </motion.div>
                         )}
                         {(!!version) && (
-                            <motion.div variants={variants} whileHover="hover" whileTap="tap" initial={{rotate: 0}} className="block p-0.5 h-[calc(100%-5px)] aspect-square blur-0 hover:brightness-75" title={t(mapsLinked ? "pages.version-viewer.maps.tabs.maps.actions.link-maps.tooltips.unlink" : "pages.version-viewer.maps.tabs.maps.actions.link-maps.tooltips.link")} onClick={e => {e.stopPropagation(); onClickLink(index)}}> 
-                                <span className="absolute top-0 left-0 h-full w-full rounded-full brightness-50 opacity-75 dark:opacity-20 dark:filter-none" style={{backgroundColor: linkedColor}}/>
-                                <BsmIcon className="p-1 absolute top-0 left-0 h-full w-full !bg-transparent -rotate-45 brightness-150" icon={mapsLinked ? "link" : "unlink"} style={{color: linkedColor}} />
-                            </motion.div>
+                            <LinkButton 
+                                variants={variants}
+                                disabled={linkingPending}
+                                whileHover="hover" 
+                                whileTap="tap" 
+                                initial={{rotate: 0}} 
+                                className="block p-0.5 h-[calc(100%-5px)] aspect-square blur-0 hover:brightness-75" 
+                                linked={mapsLinked} 
+                                title={t(mapsLinked ? "pages.version-viewer.maps.tabs.maps.actions.link-maps.tooltips.unlink" : "pages.version-viewer.maps.tabs.maps.actions.link-maps.tooltips.link")} 
+                                onClick={() => onClickLink(index)}
+                            />
                         )}
                     </div>
                 )}
@@ -130,7 +158,7 @@ export function MapsPlaylistsPanel({version}: Props) {
             <div className="w-full h-full flex flex-col bg-light-main-color-3 dark:bg-main-color-2 rounded-md shadow-black shadow-md overflow-hidden">
                 <TabNavBar className="!rounded-none shadow-sm" tabIndex={tabIndex} tabsText={["misc.maps", "misc.playlists"]} onTabChange={setTabIndex} renderTab={renderTab}/>
                 <div className="w-full grow min-h-0 flex flex-row items-center transition-transform duration-300" style={{transform: `translate(${-(tabIndex * 100)}%, 0)`}}>
-                    <LocalMapsListPanel ref={mapsRef} className="w-full h-full shrink-0 flex flex-col" version={version} filter={mapFilter} search={mapSearch}/>
+                    <LocalMapsListPanel ref={mapsRef} className="w-full h-full shrink-0 flex flex-col" version={version} filter={mapFilter} search={mapSearch} linked={mapsLinked}/>
                     <div className="w-full h-full shrink-0 flex flex-col justify-center items-center content-center gap-2 overflow-hidden text-gray-800 dark:text-gray-200">
                         <BsmImage className="rounded-md" image={wipGif}/>
                         <span>Coming soon</span>

src/renderer/components/modal/modal-types/share-folders-modal.component.tsx

@@ -0,0 +1,162 @@
+import Tippy from "@tippyjs/react";
+import { Variants } from "framer-motion";
+import { version } from "os";
+import { useEffect, useState } from "react";
+import { LinkButton } from "renderer/components/maps-mangement-components/link-button.component";
+import { BsmBasicSpinner } from "renderer/components/shared/bsm-basic-spinner/bsm-basic-spinner.component";
+import { BsmButton } from "renderer/components/shared/bsm-button.component";
+import { BsmIcon } from "renderer/components/svgs/bsm-icon.component";
+import { useObservable } from "renderer/hooks/use-observable.hook";
+import { useThemeColor } from "renderer/hooks/use-theme-color.hook";
+import { useTranslation } from "renderer/hooks/use-translation.hook";
+import { BSVersionManagerService } from "renderer/services/bs-version-manager.service";
+import { ConfigurationService } from "renderer/services/configuration.service";
+import { IpcService } from "renderer/services/ipc.service";
+import { ModalComponent } from "renderer/services/modale.service";
+import { VersionFolderLinkerService, VersionLinkerActionType } from "renderer/services/version-folder-linker.service";
+import { BSVersion } from "shared/bs-version.interface";
+
+export const ShareFoldersModal: ModalComponent<void, BSVersion> = ({ data }) => {
+
+    const SHARED_FOLDERS_KEY = "default-shared-folders";
+
+    const config = ConfigurationService.getInstance();
+    const ipc = IpcService.getInstance();
+    const linker = VersionFolderLinkerService.getInstance();
+    const versionManager = BSVersionManagerService.getInstance();
+
+    const t = useTranslation();
+
+    const [folders, setFolders] = useState<string[]>([]);
+
+    useEffect(() => {
+
+        setFolders(prev => Array.from(new Set([...prev, ...config.get<string[]>(SHARED_FOLDERS_KEY)]).values()));
+
+        linker.getLinkedFolders(data, {relative: true}).toPromise().then(linkedFolders => {
+            setFolders(prev => Array.from(new Set([...prev, ...linkedFolders]).values()));
+        });
+
+    }, []);
+
+    useEffect(() => {
+
+        if(!folders?.length){
+            config.delete(SHARED_FOLDERS_KEY);
+            return; 
+        }
+        
+        config.set(SHARED_FOLDERS_KEY, folders);
+
+    }, [folders]);
+
+    const addFolder = async () => {
+        const versionPath = await versionManager.getVersionPath(data).toPromise();
+        const folder = await ipc.sendV2<{canceled: boolean, filePaths: string[]}, string>("choose-folder", {args: versionPath}).toPromise();
+
+        if(!folder || folder.canceled || !folder.filePaths?.length){ return; }
+
+        const relativeFolder = await ipc.sendV2<string>("full-version-path-to-relative", {args: {version: data, fullPath: folder.filePaths[0]}}).toPromise();
+
+        if(folders.includes(relativeFolder)){ return; }
+
+        setFolders(pre => [...pre, relativeFolder]);
+    }
+
+    const removeFolder = (index: number) => {
+        setFolders((prev) => prev.filter((_, i) => i !== index));
+    }
+
+    return (
+        <form className="w-full max-w-md ">
+            <h1 className="text-3xl uppercase tracking-wide w-full text-center text-gray-800 dark:text-gray-200">{t("modals.shared-folders.title")}</h1>
+            <p className="my-3">{t("modals.shared-folders.description")}</p>
+            <ul className="flex flex-col gap-1 mb-2 h-[300px] max-h-[300px] overflow-scroll scrollbar-thin scrollbar-thumb-rounded-full scrollbar-thumb-neutral-900 px-1">
+                {folders.map((folder, index) => (
+                    <FolderItem key={index} version={data} relativeFolder={folder} onDelete={() => {removeFolder(index)}}/>
+                ))}
+            </ul>
+            <div className="w-full h-12 rounded-md flex justify-center items-center cursor-pointer bg-light-main-color-1 dark:bg-main-color-1 hover:bg-light-main-color-3 hover:dark:bg-main-color-3" onClick={addFolder}>
+                <BsmIcon className="aspect-square h-8" icon="add"/>
+                <span className="font-bold">{t("modals.shared-folders.buttons.add-folder")}</span>
+            </div>
+        </form>
+    )
+}
+
+type FolderProps = {
+    version: BSVersion;
+    relativeFolder: string;
+    onDelete?: () => void;
+}
+
+const FolderItem = ({version, relativeFolder, onDelete}: FolderProps) => {
+
+    const linker = VersionFolderLinkerService.getInstance();
+
+    const t = useTranslation();
+
+    const name = relativeFolder.split("\\").at(-1);
+    const color = useThemeColor("first-color");
+
+    const variants: Variants = { 
+        hover: {rotate: 22.5},
+        tap: {rotate: 45}
+    };
+
+    const pending = useObservable(linker.isPending(version, relativeFolder));
+    const processing = useObservable(linker.isProcessing(version, relativeFolder));
+    const linkDisabled = pending || processing;
+
+    const [linked, setLinked] = useState(false);
+
+    useEffect(() => {
+        loadFolderIsLinked();
+    }, [version, relativeFolder]);
+
+    const loadFolderIsLinked = () => {
+        linker.isVersionFolderLinked(version, relativeFolder).toPromise().then(setLinked);
+    }
+
+    const onClickLink = () => {
+        if(linked){
+            return linker.unlinkVersionFolder({
+                version,
+                relativeFolder,
+                type: VersionLinkerActionType.Unlink,
+            }).then(loadFolderIsLinked);
+        }
+        return linker.linkVersionFolder({
+            version,
+            relativeFolder,
+            type: VersionLinkerActionType.Link,
+        }).then(loadFolderIsLinked);
+    }
+
+    const cancelLink = () => {
+        linker.cancelAction(version, relativeFolder);
+        loadFolderIsLinked();
+    }
+
+    return (
+        <li className="w-full h-12 rounded-md shrink-0 flex flex-row items-center justify-between px-2 font-bold bg-light-main-color-1 dark:bg-main-color-1">
+            <span className="cursor-help" title={relativeFolder}>{name}</span>
+            <div className="flex flex-row gap-1.5">
+                <Tippy placement="left" content={t(`modals.shared-folders.buttons.${linked ? "unlink-folder" : "link-folder"}`)} arrow={false}>
+                    <LinkButton variants={variants} linked={linked} disabled={linkDisabled} whileHover="hover" whileTap="tap" className="p-0.5 h-7 shrink-0 aspect-square blur-0 cursor-pointer hover:brightness-75" onClick={onClickLink}/>
+                </Tippy>
+                {!processing ? (
+                    !pending ? (
+                        <BsmButton className="aspect-square h-7 rounded-md p-1" icon={"trash"} withBar={false} onClick={e => {e.preventDefault(); onDelete?.()}}/>
+                    ) : (
+                        <BsmButton className="aspect-square h-7 rounded-md p-1" icon={"cross"} withBar={false} onClick={e => {e.preventDefault(); cancelLink()}}/>
+                    )
+                ) : (
+                    <BsmBasicSpinner className="aspect-square h-7 rounded-md p-1 dark:bg-main-color-2" thikness="3.5px" style={{color}}/>
+                )}
+                
+            </div>
+        </li>
+    )
+
+}

src/renderer/components/notification/notification-item.component.tsx

@@ -16,6 +16,7 @@ export const NotificationItem = forwardRef(({resolver, notification}: {resolver?
     const renderImage = (() => {
         if(notification.type === NotificationType.SUCCESS){ return BeatRunningImg; }
         if(notification.type === NotificationType.WARNING){ return BeatWaitingImg; }
+        if(notification.type === NotificationType.INFO){ return BeatWaitingImg; }
         if(notification.type === NotificationType.ERROR){ return BeatConflictImg; }
         return BeatImpatientImg;
     })();
@@ -23,6 +24,7 @@ export const NotificationItem = forwardRef(({resolver, notification}: {resolver?
     const renderNeonColors = (() => {
         if(notification.type === NotificationType.SUCCESS){ return "bg-green-400 shadow-green-400"; }
         if(notification.type === NotificationType.WARNING){ return "bg-yellow-400 shadow-yellow-400"; }
+        if(notification.type === NotificationType.INFO){ return "bg-blue-500 shadow-blue-500"; }
         if(notification.type === NotificationType.ERROR){ return "bg-red-500 shadow-red-500"; }
         return "bg-gray-800 shadow-gray-800 dark:bg-white dark:shadow-white";
     })();

src/renderer/components/settings/setting-color-chooser.component.tsx

@@ -14,7 +14,7 @@ export default function SettingColorChooser({color, onChange, pickerClassName}:
             <span className="z-[1] block h-full w-full border-2 border-white rounded-full" onClick={() => setColorVisible(!colorVisible)} style={{backgroundColor: color}}/>
             <AnimatePresence>
                 {colorVisible && 
-                    <motion.div initial={{opacity: 0}} animate={{opacity: 1}} transition={{duration: .1}} exit={{opacity: 0}} className="fixed flex items-center justify-center translate-y-9 shadow-lg rounded-lg shadow-black">
+                    <motion.div initial={{opacity: 0}} animate={{opacity: 1}} transition={{duration: .1}} exit={{opacity: 0}} className="absolute flex items-center justify-center translate-y-9 shadow-lg rounded-lg shadow-black">
                         <div className="absolute w-2/4 aspect-square rotate-45 bg-light-main-color-3 dark:bg-main-color-3 -translate-y-12"/>
                         <HexColorPicker color={color} onChange={onChange} className={pickerClassName} />
                     </motion.div>

src/renderer/components/title-bar/title-bar.component.tsx

@@ -1,4 +1,4 @@
-import { useState } from 'react';
+import { useEffect, useState } from 'react';
 import { useObservable } from 'renderer/hooks/use-observable.hook';
 import { useThemeColor } from 'renderer/hooks/use-theme-color.hook';
 import { AudioPlayerService } from 'renderer/services/audio-player.service';
@@ -17,9 +17,17 @@ export default function TitleBar({template = "index.html"} : {template: AppWindo
     const audio = AudioPlayerService.getInstance();
 
     const volume = useObservable(audio.volume$, audio.volume);
-    const playing = useObservable(audio.playing$);
     const color = useThemeColor("first-color");
 
+    const [previewVersion, setPreviewVersion] = useState(null);
+
+    useEffect(() => {
+        ipcService.send<string>("current-version").then(res => {
+            if(res.data.toLocaleLowerCase().includes("alpha")){ return setPreviewVersion("ALPHA"); }
+            if(res.data.toLocaleLowerCase().includes("beta")){ return setPreviewVersion("BETA"); }
+        });
+    })
+
     const [maximized, setMaximized] = useState(false);
 
         const closeWindow = () => {
@@ -57,6 +65,7 @@ export default function TitleBar({template = "index.html"} : {template: AppWindo
                 <div id="drag-region" className='grow basis-0 h-full'>
                     <div id="window-title" className='pl-1'>
                         <span className='text-gray-800 dark:text-gray-100 font-bold text-xs italic'>BSManager</span>
+                        { previewVersion && <span className='bg-main-color-1 text-white dark:text-black dark:bg-white rounded-full ml-1 text-[10px] italic px-1 uppercase h-3.5 font-bold'>{previewVersion}</span> }
                     </div>
                 </div>
                 <div id="window-controls" className="h-full flex shrink-0 items-center">
@@ -64,7 +73,7 @@ export default function TitleBar({template = "index.html"} : {template: AppWindo
                         <div className='shrink-0 w-0 overflow-hidden transition-all group-hover:w-16 group-hover:overflow-visible group-active:w-16 group-active:overflow-visible text-main-color-3'>
                             <BsmRange min={0} max={1} step={.01} values={[volume.muted ? 0 : volume.volume]} colors={[color, "currentColor"]} onChange={val => audio.setVolume(val[0])} onFinalChange={val => audio.setFinalVolume(val[0])}/>
                         </div>
-                        <BsmButton className='shrink-0 h-[23px] w-[23px] aspect-square !bg-transparent flex items-start' iconClassName={volumeIcon === "volume-down" && "-translate-x-[1.8px]"} icon={volumeIcon} withBar={false} onClick={() => audio.toggleMute()}/>
+                        <BsmButton className='shrink-0 h-[23px] w-[23px] aspect-square !bg-transparent flex items-start' iconClassName={volumeIcon === "volume-down" ? "-translate-x-[1.8px]" : null} icon={volumeIcon} withBar={false} onClick={() => audio.toggleMute()}/>
                     </div>
                     <div onClick={minimizeWindow} className="text-gray-800 dark:text-gray-200 hover:bg-gray-300 dark:hover:bg-[#4F545C] cursor-pointer w-11 h-full shrink-0 flex justify-center items-center" id="min-button" >
                         <svg aria-hidden="false" width="12" height="12" viewBox="0 0 12 12"><rect fill="currentColor" width="10" height="1" x="1" y="6"> </rect></svg>

src/renderer/components/version-viewer/slides/launch/launch-slide.component.tsx

@@ -1,6 +1,8 @@
-import { useState } from "react";
+import { motion } from "framer-motion";
+import { ChangeEvent, useEffect, useState } from "react";
 import { BsmButton } from "renderer/components/shared/bsm-button.component";
 import { useObservable } from "renderer/hooks/use-observable.hook";
+import { useTranslation } from "renderer/hooks/use-translation.hook";
 import { BSLauncherService, LaunchMods } from "renderer/services/bs-launcher.service";
 import { ConfigurationService } from "renderer/services/configuration.service";
 import { BSVersion } from "shared/bs-version.interface"
@@ -10,15 +12,23 @@ type Props = {version: BSVersion};
 
 export function LaunchSlide({version}: Props) {
 
+    const t = useTranslation();
+
     const configService = ConfigurationService.getInstance();
     const bsLauncherService = BSLauncherService.getInstance();
 
     const [oculusMode, setOculusMode] = useState(!!configService.get<boolean>(LaunchMods.OCULUS_MOD));
     const [desktopMode, setDesktopMode] = useState(!!configService.get<boolean>(LaunchMods.DESKTOP_MOD));
     const [debugMode, setDebugMode] = useState(!!configService.get<boolean>(LaunchMods.DEBUG_MOD));
+    const [advancedLaunch, setAdvancedLaunch] = useState(false);
+    const [additionalArgsString, setAdditionalArgsString] = useState<string>(configService.get<string>("additionnal-args") || "");
 
     const launchState = useObservable(bsLauncherService.launchState$);
 
+    useEffect(() => {
+        configService.set("additionnal-args", additionalArgsString);
+    }, [additionalArgsString]);
+
     const setMode = (mode: LaunchMods, value: boolean) => {
         if(mode === LaunchMods.DEBUG_MOD){ 
             setDebugMode(value); 
@@ -32,7 +42,12 @@ export function LaunchSlide({version}: Props) {
         configService.set(mode, value);
     }
 
-    const launch = () => bsLauncherService.launch(version, version.oculus ? false : oculusMode, desktopMode, debugMode)
+    const handleAdditionalArgsChange = (e: ChangeEvent<HTMLInputElement>) => setAdditionalArgsString(() => e.target.value);
+
+    const launch = () => {
+        const additionalArgs = advancedLaunch ? additionalArgsString.split(";").map(arg => arg.trim()).filter(arg => arg.length > 0) : undefined;
+        bsLauncherService.launch(version, version.oculus ? false : oculusMode, desktopMode, debugMode, additionalArgs);
+    }
 
     return (
         <div className="w-full shrink-0 items-center relative flex flex-col justify-start">
@@ -41,8 +56,14 @@ export function LaunchSlide({version}: Props) {
               <LaunchModToogle infoText="pages.version-viewer.launch-mods.desktop-description" icon='desktop' onClick={() => setMode(LaunchMods.DESKTOP_MOD, !desktopMode)} active={desktopMode} text="pages.version-viewer.launch-mods.desktop"/>
               <LaunchModToogle infoText="pages.version-viewer.launch-mods.debug-description" icon='terminal' onClick={() => setMode(LaunchMods.DEBUG_MOD, !debugMode)} active={debugMode} text="pages.version-viewer.launch-mods.debug"/>
             </div>
+            <div className="pt-4 w-2/3 flex flex-col items-center gap-3">
+                <BsmButton className="rounded-full w-fit text-lg py-1 px-7 shadow-md shadow-black bg-light-main-color-2 dark:bg-main-color-2 text-gray-800 dark:text-white" text="pages.version-viewer.launch-mods.advanced-launch.button" withBar={false} onClick={e => {e.preventDefault(); setAdvancedLaunch(prev => !prev)}}/>
+                <motion.div className="bg-light-main-color-2 dark:bg-main-color-2 h-9 rounded-full overflow-hidden flex items-center justify-center" initial={{width: "0px"}} animate={{width: advancedLaunch ? "100%" : "0px"}}>
+                    <input className="w-[calc(100%-12px)] h-[calc(100%-12px)] bg-light-main-color-1 dark:bg-main-color-1 text-black dark:text-white rounded-full outline-none text-center" type="text" placeholder={t("pages.version-viewer.launch-mods.advanced-launch.placeholder")} value={additionalArgsString} onChange={handleAdditionalArgsChange}/>
+                </motion.div>
+            </div>
             <div className='grow flex justify-center items-center'>
-              <BsmButton onClick={launch} active={JSON.stringify(version) === JSON.stringify(launchState)} className='relative text-5xl text-gray-800 dark:text-gray-200 font-bold tracking-wide pt-1 pb-3 px-7 rounded-lg shadow-md italic shadow-black active:scale-90 transition-transform' text="misc.launch"/>
+              <BsmButton onClick={launch} active={JSON.stringify(version) === JSON.stringify(launchState)} className='relative -translate-y-1/2 text-5xl text-gray-800 dark:text-gray-200 font-bold tracking-wide pt-1 pb-3 px-7 rounded-lg shadow-md italic shadow-black active:scale-90 transition-transform' text="misc.launch"/>
             </div>
         </div>
     )

src/renderer/components/version-viewer/slides/mods/mods-slide.component.tsx

@@ -17,6 +17,7 @@ import { useInView } from "framer-motion";
 import { ModalExitCode, ModalService } from "renderer/services/modale.service";
 import { ModsDisclaimerModal } from "renderer/components/modal/modal-types/mods-disclaimer-modal.component";
 import { OsDiagnosticService } from "renderer/services/os-diagnostic.service";
+import { lt } from "semver";
  
 export function ModsSlide({version, onDisclamerDecline}: {version: BSVersion, onDisclamerDecline: () => void}) {
 
@@ -68,7 +69,12 @@ export function ModsSlide({version, onDisclamerDecline}: {version: BSVersion, on
 
     const installMods = () => {
         if(installing){ return; }
-        modsManager.installMods(modsSelected, version).then(() => {
+        const modsToInstall = modsSelected.filter(mod => {
+            const corespondingMod = modsAvailable.get(mod.category).find(availabeMod => availabeMod._id === mod._id);
+            if(lt(corespondingMod.version, mod.version)){ return false; }
+            return true;
+        })
+        modsManager.installMods(modsToInstall, version).then(() => {
             loadMods();
         });
     }

src/renderer/config/default-configuration.config.ts

@@ -4,9 +4,14 @@ export const defaultConfiguration: {[key in DefaultConfigKey]: any} = {
     "theme": "os",
     "language": window.navigator.language.length <= 2 ? `${window.navigator.language}-${window.navigator.language.toLocaleUpperCase()}` : window.navigator.language,
     "supported_languages": ["en-US", "en-EN", "fr-FR", "es-ES"],
-    "default_mods": ["SongCore", "WhyIsThereNoLeaderboard", "BeatSaverDownloader", "BeatSaverVoting", "PlaylistManager"]
+    "default_mods": ["SongCore", "WhyIsThereNoLeaderboard", "BeatSaverDownloader", "BeatSaverVoting", "PlaylistManager"],
+    "default-shared-folders": [
+        "Beat Saber_Data\\CustomLevels",
+        "Beat Saber_Data\\CustomWIPLevels",
+        "DLC"
+    ]
 }
 
-export type DefaultConfigKey = "first-color" | "second-color" | "theme" | "language" | "supported_languages" | "default_mods";
+export type DefaultConfigKey = "first-color" | "second-color" | "theme" | "language" | "supported_languages" | "default_mods" | "default-shared-folders";
 
 export type ThemeConfig = "dark" | "light" | "os"

src/renderer/index.tsx

@@ -2,12 +2,19 @@ import { createRoot } from 'react-dom/client';
 import { HashRouter } from 'react-router-dom';
 import 'tailwindcss/tailwind.css';
 import './index.css'
+import { IpcService } from './services/ipc.service';
 
 const launcherContainer = document.getElementById('launcher');
 const oneclickDownloadMapContainer = document.getElementById('oneclick-download-map');
 const oneclickDownloadPlaylistContainer = document.getElementById('oneclick-download-playlist');
 const oneclickDownloadModelContainer = document.getElementById('oneclick-download-model');
 
+const ipc = IpcService.getInstance();
+
+window.onerror = (...data) => {
+    ipc.sendLazy('log-error', {args: data});
+}
+
 if(launcherContainer){
     import("./windows/Launcher").then(reactWindow => {
         createRoot(launcherContainer).render(<reactWindow.default/>);

src/renderer/pages/available-versions-list.components.tsx

@@ -54,15 +54,15 @@ export function AvailableVersionsList() {
 
         if(modalRes.exitCode !== ModalExitCode.COMPLETED){ return; }
 
-        const folderRes = await ipc.send<{canceled: boolean, filePaths: string[]}>("choose-folder");
+        const folderRes = await ipc.sendV2<{canceled: boolean, filePaths: string[]}>("choose-folder").toPromise();
 
-        if(!folderRes.success || folderRes.data.canceled || !folderRes.data.filePaths?.length){ return; }
+        if(!folderRes || folderRes.canceled || !folderRes.filePaths?.length){ return; }
 
         notification.notifySuccess({title: "notifications.bs-import-version.success.start-import.title", desc: "notifications.bs-import-version.success.start-import.desc", duration: 6_000});
 
         progressBar.showFake(.008);
 
-        const toImport = folderRes.data.filePaths.at(0);
+        const toImport = folderRes.filePaths.at(0);
 
         const imported = await installer.importVersion(toImport);
 

src/renderer/pages/settings-page.component.tsx

@@ -40,7 +40,6 @@ export function SettingsPage() {
   const modalService: ModalService = ModalService.getInsance();
   const downloaderService: BsDownloaderService = BsDownloaderService.getInstance();
   const progressBarService: ProgressBarService = ProgressBarService.getInstance();
-  const authService: AuthUserService = AuthUserService.getInstance();
   const notificationService: NotificationService = NotificationService.getInstance();
   const i18nService: I18nService = I18nService.getInstance();
   const linkOpener: LinkOpenerService = LinkOpenerService.getInstance();
@@ -49,7 +48,6 @@ export function SettingsPage() {
   const modelsManager = ModelsManagerService.getInstance();
 
   const {firstColor, secondColor} = useThemeColor();
-  const sessionExist = useObservable(authService.sessionExist$);
 
   const themeItem: RadioItem[] = [
     {id: 0, text: "pages.settings.appearance.themes.dark", value: "dark" as ThemeConfig},
@@ -110,11 +108,12 @@ export function SettingsPage() {
 
       modalService.openModal(InstallationFolderModal).then(async res => {
          if(res.exitCode !== ModalExitCode.COMPLETED){ return; }
-         const fileChooserRes = await ipcService.send<{canceled: boolean, filePaths: string[]}>("choose-folder");
 
-         if(fileChooserRes.success && !fileChooserRes.data.canceled && fileChooserRes.data.filePaths?.length){
+         const fileChooserRes = await ipcService.sendV2<{canceled: boolean, filePaths: string[]}>("choose-folder").toPromise();
+
+         if(!fileChooserRes.canceled && fileChooserRes.filePaths?.length){
             progressBarService.showFake(.008);
-            downloaderService.setInstallationFolder(fileChooserRes.data.filePaths[0]).then(res => {
+            downloaderService.setInstallationFolder(fileChooserRes.filePaths[0]).then(res => {
                setTimeout(() => {
                   progressBarService.complete();
                   setTimeout(() => progressBarService.hide(true), 1000);
@@ -132,18 +131,12 @@ export function SettingsPage() {
       });
    }
 
-  const deleteSteamSession = () => {
-    if(!sessionExist){ return; }
-    authService.deleteSteamSession();
-    notificationService.notifySuccess({title: "notifications.settings.steam.success.titles.logout", duration: 3000});
-  };
-
   
   const toogleShowSupporters = () => {
       setShowSupporters(show => !show);
     }
     
-  const openSupportPage = () => linkOpener.open("https://mee6.gg/m/bsmanager");
+  const openSupportPage = () => linkOpener.open("https://www.patreon.com/bsmanager");
   const openGithub = () => linkOpener.open("https://github.com/Zagrios/bs-manager");
   const openReportBug = () => linkOpener.open("https://github.com/Zagrios/bs-manager/issues/new?assignees=Zagrios&labels=bug&template=-bug--bug-report.md&title=%5BBUG%5D+%3A+");
   const openRequestFeatures = () => linkOpener.open("https://github.com/Zagrios/bs-manager/issues/new?assignees=Zagrios&labels=enhancement&template=-feat---feature-request.md&title=%5BFEAT.%5D+%3A+");
@@ -195,10 +188,6 @@ export function SettingsPage() {
                     <BsmButton className="inline-block grow-0 bg-transparent sticky h-full w-full top-20 right-20 !m-0 rounded-full p-1" onClick={() => nav(-1)} icon="close" withBar={false}/>
                 </div>
 
-                <SettingContainer title="pages.settings.steam.title" description="pages.settings.steam.description">
-                    <BsmButton onClick={deleteSteamSession} className="w-fit px-3 py-[2px] text-white rounded-md" withBar={false} text="pages.settings.steam.logout" typeColor="error" disabled={!sessionExist}/>
-                </SettingContainer>
-
                 <SettingContainer title="pages.settings.appearance.title" description="pages.settings.appearance.description">
                     <div className="relative w-full h-8 bg-light-main-color-1 dark:bg-main-color-1 flex justify-center rounded-md py-1">
                         <SettingColorChooser color={firstColor} onChange={setFirstColorSetting}/>
@@ -293,7 +282,7 @@ export function SettingsPage() {
 
                 <SettingContainer title="pages.settings.patreon.title" description="pages.settings.patreon.description">
                     <div className="flex gap-2">
-                        <BsmButton disabled color="#ef4444" className="flex w-fit rounded-md h-8 px-2 font-bold py-1 whitespace-nowrap !text-white" text="pages.settings.patreon.buttons.support" withBar={false} onClick={openSupportPage}/>
+                        <BsmButton color="#ef4444" className="flex w-fit rounded-md h-8 px-2 font-bold py-1 whitespace-nowrap !text-white" text="pages.settings.patreon.buttons.support" withBar={false} onClick={openSupportPage}/>
                         <BsmButton className="flex w-fit rounded-md h-8 px-2 font-bold py-1 !text-white" withBar={false} text="pages.settings.patreon.buttons.supporters" color="#6c5ce7" onClick={toogleShowSupporters}/>
                     </div>
                     <SettingContainer className="mt-3" description="pages.settings.discord.description">

src/renderer/pages/version-viewer.component.tsx

@@ -15,6 +15,7 @@ import { LaunchSlide } from 'renderer/components/version-viewer/slides/launch/la
 import { ModsSlide } from 'renderer/components/version-viewer/slides/mods/mods-slide.component';
 import { UninstallModal } from 'renderer/components/modal/modal-types/uninstall-modal.component';
 import { MapsPlaylistsPanel } from 'renderer/components/maps-mangement-components/maps-playlists-panel.component';
+import { ShareFoldersModal } from 'renderer/components/modal/modal-types/share-folders-modal.component';
 
 export function VersionViewer() {
 
@@ -66,6 +67,10 @@ export function VersionViewer() {
         setCurrentTabIndex(() => 0);
     }
 
+    const openShareFolderModal = () => {
+        modalService.openModal(ShareFoldersModal, state);
+    }
+
 
   return (
     <>
@@ -87,6 +92,7 @@ export function VersionViewer() {
           ((!state.steam && !state.oculus) && {text: "pages.version-viewer.dropdown.verify-files", icon: "task", onClick: verifyFiles}),
           ((!state.steam && !state.oculus) && {text: "pages.version-viewer.dropdown.edit", icon: "edit", onClick: edit}),
           (!state.oculus && {text: "pages.version-viewer.dropdown.clone", icon: "copy", onClick: clone}),
+          {text: "pages.version-viewer.dropdown.shared-folders", icon: "link", onClick: openShareFolderModal},
           ((!state.steam && !state.oculus) && {text: "pages.version-viewer.dropdown.uninstall", icon:"trash", onClick: uninstall})
         ]}/>
     </>

src/renderer/services/bs-launcher.service.ts

@@ -40,8 +40,8 @@ export class BSLauncherService{
 
 
 
-    public launch(version: BSVersion, oculus: boolean, desktop: boolean, debug: boolean): Promise<NotificationResult|string>{
-        const lauchOption: LauchOption = {debug, oculus, desktop, version};
+    public launch(version: BSVersion, oculus: boolean, desktop: boolean, debug: boolean, additionalArgs?: string[]): Promise<NotificationResult|string>{
+        const lauchOption: LauchOption = {debug, oculus, desktop, version, additionalArgs};
         if(this.launchState$.value){ return this.notificationService.notifyError({title: "notifications.bs-launch.errors.titles.BS_ALREADY_RUNNING"}); }
         this.launchState$.next(version);
         return this.ipcService.send<LaunchResult>("bs-launch.launch", {args: lauchOption}).then(res => {

src/renderer/services/bs-version-manager.service.ts

@@ -5,6 +5,7 @@ import { ModalExitCode, ModalService } from './modale.service';
 import { NotificationService } from './notification.service';
 import { ProgressBarService } from './progress-bar.service';
 import { EditVersionModal } from 'renderer/components/modal/modal-types/edit-version-modal.component';
+import { Observable } from 'rxjs';
 
 export class BSVersionManagerService {
 
@@ -113,4 +114,8 @@ export class BSVersionManagerService {
       })
    }
 
+   public getVersionPath(version: BSVersion): Observable<string>{
+        return this.ipcService.sendV2("get-version-full-path", {args: version});
+   }
+
 }

src/renderer/services/ipc.service.ts

@@ -53,7 +53,7 @@ export class IpcService {
 
     public sendV2<T, U = unknown>(channel: string, request?: IpcRequest<U>, defaultValue?: T): Observable<T>{
         if(!request){ request = {args: null, responceChannel: null}; }
-        if(!request.responceChannel){ request.responceChannel = `${channel}_responce_${new Date().getTime()}`; }
+        if(!request.responceChannel){ request.responceChannel = `${channel}_responce_${crypto.randomUUID()}`; }
 
         const completeChannel = `${request.responceChannel}_complete`;
         const errorChannel = `${request.responceChannel}_error`;

src/renderer/services/maps-manager.service.ts

@@ -1,6 +1,6 @@
 import { LinkMapsModal } from "renderer/components/modal/modal-types/link-maps-modal.component";
 import { UnlinkMapsModal } from "renderer/components/modal/modal-types/unlink-maps-modal.component";
-import { Subject, Observable } from "rxjs";
+import { Subject, Observable, of } from "rxjs";
 import { BSVersion } from "shared/bs-version.interface";
 import { BsmLocalMapsProgress, BsmLocalMap, DeleteMapsProgress } from "shared/models/maps/bsm-local-map.interface";
 import { IpcService } from "./ipc.service";
@@ -11,12 +11,15 @@ import { OpenSaveDialogOption } from "shared/models/ipc";
 import { NotificationService } from "./notification.service";
 import { ConfigurationService } from "./configuration.service";
 import { ArchiveProgress } from "shared/models/archive.interface";
-import { map, last, catchError } from "rxjs/operators";
-import { of } from "rxjs";
+import { map, last, catchError, distinctUntilChanged, mergeMap } from "rxjs/operators";
 import { ProgressionInterface } from "shared/models/progress-bar";
+import { VersionFolderLinkerService, VersionLinkerActionType } from "./version-folder-linker.service";
+import equal from "fast-deep-equal";
 
 export class MapsManagerService {
 
+    
+
     private static instance: MapsManagerService;
 
     public static getInstance(): MapsManagerService{
@@ -25,12 +28,14 @@ export class MapsManagerService {
     }
 
     public static readonly REMEMBER_CHOICE_DELETE_MAP_KEY = "not-confirm-delete-map"
+    public static readonly RELATIVE_MAPS_FOLDER = "Beat Saber_Data\\CustomLevels";
 
     private readonly ipcService: IpcService;
     private readonly modal: ModalService;
     private readonly progressBar: ProgressBarService;
     private readonly notifications: NotificationService;
     private readonly config: ConfigurationService;
+    private readonly linker: VersionFolderLinkerService;
 
     private readonly lastLinkedVersion$: Subject<BSVersion> = new Subject();
     private readonly lastUnlinkedVersion$: Subject<BSVersion> = new Subject();
@@ -41,63 +46,43 @@ export class MapsManagerService {
         this.progressBar = ProgressBarService.getInstance();
         this.notifications = NotificationService.getInstance();
         this.config = ConfigurationService.getInstance();
+        this.linker = VersionFolderLinkerService.getInstance();
     }
 
     public getMaps(version?: BSVersion): Observable<BsmLocalMapsProgress>{
         return this.ipcService.sendV2<BsmLocalMapsProgress>("load-version-maps", {args: version}, {loaded: 0, total: 0, maps: []});
     }
 
-    public versionHaveMapsLinked(version: BSVersion): Promise<boolean>{
-        return this.ipcService.send<boolean, BSVersion>("verion-have-maps-linked", {args: version}).then(res => {
-            if(!res.success){ throw "error"; }
-            return res.data;
-        })
+    public async versionHaveMapsLinked(version: BSVersion): Promise<boolean>{
+        return this.linker.isVersionFolderLinked(version, MapsManagerService.RELATIVE_MAPS_FOLDER).toPromise();
     }
 
-    public async linkVersion(version: BSVersion): Promise<void>{
+    public async linkVersion(version: BSVersion): Promise<boolean>{
 
         const modalRes = await this.modal.openModal(LinkMapsModal);
 
-        if(modalRes.exitCode !== ModalExitCode.COMPLETED){ return; }
+        if(modalRes.exitCode !== ModalExitCode.COMPLETED){ return Promise.resolve(false); }
 
-        const showProgressBar = this.progressBar.require();
-
-        if(showProgressBar){
-            this.progressBar.showFake(.01);
-        }
-
-        const res = await this.ipcService.send<void, {version: BSVersion, keepMaps: boolean}>("link-version-maps", {args: {version, keepMaps: !!modalRes.data}});
-
-        if(showProgressBar){
-            this.progressBar.hide(true);
-        }
-
-        if(res.success){
-            this.lastLinkedVersion$.next(version);
-        }
+        return this.linker.linkVersionFolder({
+            version,
+            type: VersionLinkerActionType.Link,
+            relativeFolder: MapsManagerService.RELATIVE_MAPS_FOLDER,
+            options: { keepContents: !!modalRes.data }
+        });
     }
 
-    public async unlinkVersion(version: BSVersion): Promise<void>{
+    public async unlinkVersion(version: BSVersion): Promise<boolean>{
 
         const modalRes = await this.modal.openModal(UnlinkMapsModal);
 
-        if(modalRes.exitCode !== ModalExitCode.COMPLETED){ return; }
+        if(modalRes.exitCode !== ModalExitCode.COMPLETED){ return Promise.resolve(false); }
 
-        const showProgressBar = this.progressBar.require();
-
-        if(showProgressBar){
-            this.progressBar.showFake(.01);
-        }
-
-        const res = await this.ipcService.send<void, {version: BSVersion, keepMaps: boolean}>("unlink-version-maps", {args: {version, keepMaps: !!modalRes.data}});
-
-        if(showProgressBar){
-            this.progressBar.hide(true);
-        }
-
-        if(res.success){
-            this.lastUnlinkedVersion$.next(version);
-        }
+        return this.linker.unlinkVersionFolder({
+            version,
+            type: VersionLinkerActionType.Unlink,
+            relativeFolder: MapsManagerService.RELATIVE_MAPS_FOLDER,
+            options: { keepContents: !!modalRes.data }
+        });
     }
 
     public async deleteMaps(maps: BsmLocalMap[], version?: BSVersion): Promise<boolean>{
@@ -173,4 +158,10 @@ export class MapsManagerService {
         return this.lastUnlinkedVersion$.asObservable();
     }
 
+    public $mapsLinkingPending(version: BSVersion): Observable<boolean>{
+        return this.linker.queue$.pipe(mergeMap(async queue => {
+            return queue.some(q => q.relativeFolder.includes(MapsManagerService.RELATIVE_MAPS_FOLDER) && equal(q.version, version));
+        }), distinctUntilChanged());
+    }
+
 }

src/renderer/services/modale.service.ts

@@ -51,7 +51,7 @@ export class ModalService{
 
 }
 
-export type ModalComponent<T = unknown, K = any> = ({resolver, data}: {resolver : (x: ModalResponse<T>) => void, data?: K}) => JSX.Element;
+export type ModalComponent<Return = unknown, Receive = any> = ({resolver, data}: {resolver : (x: ModalResponse<Return>) => void, data?: Receive}) => JSX.Element;
 
 export const enum ModalExitCode {
     NO_CHOICE = -1,

src/renderer/services/notification.service.ts

@@ -53,6 +53,11 @@ export class NotificationService{
         return this.notify(notification);
     }
 
+    public notifyInfo(notification: Notification): Promise<NotificationResult|string>{
+        notification.type = NotificationType.INFO;
+        return this.notify(notification);
+    }
+
     public notifySystem(options: SystemNotificationOptions){
         this.ipc.sendLazy<SystemNotificationOptions>("notify-system", {args: options});
     }
@@ -71,6 +76,7 @@ export enum NotificationType {
     SUCCESS = 0,
     WARNING = 1,
     ERROR = 2,
+    INFO = 3,
 }
 
 export interface NotificationAction {

src/renderer/services/progress-bar.service.ts

@@ -59,12 +59,12 @@ export class ProgressBarService{
         this._style$.next(style);
     }
 
-    public showFake(speed: number, style?: CSSProperties): void{
+    public showFake(speed: number, style?: CSSProperties, label?: string): void{
         const obs: Observable<ProgressionInterface> = timer(1000, 100).pipe(map(val => {
-            if(this._progression$.value.progression >= 100){ return {progression: 100}; }
+            if(this._progression$.value.progression >= 100){ return {progression: 100, label}; }
             const currentProgress = speed * (val + 1);
             const progress = Math.round(Math.atan(currentProgress) / (Math.PI / 2) * 100 * 1000) / 1000;
-            return {progression: progress} as ProgressionInterface;
+            return {progression: progress, label} as ProgressionInterface;
         }));
         this.show(obs, true, style);
     }

src/renderer/services/version-folder-linker.service.ts

@@ -0,0 +1,167 @@
+import { LinkOptions, UnlinkOptions } from "main/services/folder-linker.service";
+import { map, distinctUntilChanged, filter } from "rxjs/operators";
+import { BehaviorSubject, Observable } from "rxjs";
+import { BSVersion } from "shared/bs-version.interface";
+import { IpcService } from "./ipc.service";
+import { ProgressBarService } from "./progress-bar.service";
+
+export class VersionFolderLinkerService{
+
+    private static instance: VersionFolderLinkerService;
+
+    public static getInstance(): VersionFolderLinkerService{
+        if(!VersionFolderLinkerService.instance){ VersionFolderLinkerService.instance = new VersionFolderLinkerService() }
+        return VersionFolderLinkerService.instance;
+    }
+
+    private readonly ipcService: IpcService;
+    private readonly progress: ProgressBarService;
+
+    private readonly _queue$ = new BehaviorSubject<VersionLinkerAction[]>([]);
+
+    private readonly linkListeners = new Set<VersionLinkerActionListener>();
+    private readonly unlinkListeners = new Set<VersionLinkerActionListener>();
+
+    private constructor(){
+        this.ipcService = IpcService.getInstance();
+        this.progress = ProgressBarService.getInstance();
+
+        this.currentAction$.pipe(filter(action => !!action)).subscribe(action => this.processAction(action));
+    }
+
+    private async processAction(action: VersionLinkerAction){
+
+        let progressOpened = false;
+
+        if(!this.progress.isVisible){
+            this.progress.showFake(.01, null, action.relativeFolder.split("\\").at(-1));
+            progressOpened = true;
+        }
+
+        const linked = await this.doAction(action).toPromise();
+
+        // Spécial notification
+
+        if(action.type === VersionLinkerActionType.Link){
+            this.linkListeners.forEach(listener => listener(action, linked));
+        }
+        else{
+            this.unlinkListeners.forEach(listener => listener(action, linked));
+        }
+
+        if(progressOpened){
+            this.progress.hide(true);
+        }
+
+        const newArr = [...this._queue$.value];
+        newArr.shift();
+        this._queue$.next(newArr);
+
+    }
+
+    private doAction(action: VersionLinkerAction): Observable<boolean>{
+        return this.ipcService.sendV2<boolean, VersionLinkerAction>("link-version-folder-action", { args: action });
+    }
+
+    public linkVersionFolder(action: VersionLinkFolderAction): Promise<boolean>{
+        const promise = new Promise<boolean>((resolve) => {
+
+            const callBack: VersionLinkerActionListener = (performedAction, linked) => {
+                if(performedAction !== action){ return; }
+                this.removeVersionFolderLinkedListener(callBack);
+                resolve(linked);
+            }
+
+            this.onVersionFolderLinked(callBack);
+        });
+
+        this._queue$.next([...this._queue$.value, action]);
+
+        return promise;
+    }
+
+    public unlinkVersionFolder(action: VersionUnlinkFolderAction): Promise<boolean>{
+        const promise = new Promise<boolean>((resolve) => {
+
+            const callBack: VersionLinkerActionListener = (performedAction, linked) => {
+                if(performedAction !== action){ return; }
+                this.removeVersionFolderUnlinkedListener(callBack);
+                resolve(linked);
+            }
+
+            this.onVersionFolderUnlinked(callBack);
+        });
+
+        this._queue$.next([...this._queue$.value, action]);
+
+        return promise;
+    }
+
+    public onVersionFolderLinked(listener: VersionLinkerActionListener): void{
+        this.linkListeners.add(listener);
+    }
+
+    public removeVersionFolderLinkedListener(listener: VersionLinkerActionListener): void{
+        this.linkListeners.delete(listener);
+    }
+
+    public onVersionFolderUnlinked(listener: VersionLinkerActionListener): void{
+        this.unlinkListeners.add(listener);
+    }
+
+    public removeVersionFolderUnlinkedListener(listener: VersionLinkerActionListener): void{
+        this.unlinkListeners.delete(listener);
+    }
+
+    public cancelAction(version: BSVersion, relativeFolder: string): void{
+        this._queue$.next(this._queue$.value.filter(a => a.version !== version || a.relativeFolder !== relativeFolder));
+    }
+
+    public isVersionFolderLinked(version: BSVersion, relativeFolder: string): Observable<boolean>{
+        return this.ipcService.sendV2("is-version-folder-linked", { args: { version, relativeFolder } });
+    }
+
+    public isPending(version: BSVersion, relativeFolder: string): Observable<boolean> {
+        return this.queue$.pipe(map(queue => queue.length > 0 && queue.some(action => action.version === version && action.relativeFolder === relativeFolder), distinctUntilChanged()));
+    }
+
+    public isProcessing(version: BSVersion, relativeFolder: string): Observable<boolean> {
+        return this.currentAction$.pipe(map(action => ( action && action.version === version && action.relativeFolder === relativeFolder)));
+    }
+
+    public getLinkedFolders(version: BSVersion, options?: { relative?: boolean }): Observable<string[]>{
+        return this.ipcService.sendV2("get-linked-folders", { args: { version, options } });
+    }
+
+    public get currentAction$(): Observable<VersionLinkerAction>{
+        return this._queue$.pipe(map(actions => actions.at(0)), distinctUntilChanged());
+    }
+
+    public get queue$(): Observable<VersionLinkerAction[]>{
+        return this._queue$.asObservable();
+    }
+
+}
+
+export const enum VersionLinkerActionType {
+    Link = "link",
+    Unlink = "unlink"
+}
+
+export interface VersionLinkerAction {
+    version: BSVersion;
+    relativeFolder: string;
+    type: VersionLinkerActionType
+    options?: LinkOptions
+}
+
+export interface VersionLinkFolderAction extends VersionLinkerAction {
+    type: VersionLinkerActionType.Link
+}
+
+export interface VersionUnlinkFolderAction extends VersionLinkerAction {
+    type: VersionLinkerActionType.Unlink
+    options?: UnlinkOptions
+}
+
+export type VersionLinkerActionListener = (action: VersionLinkerAction, linked: boolean) => void;

src/shared/models/bs-launch/launch-option.interface.ts

@@ -1,8 +1,9 @@
 import { BSVersion } from "shared/bs-version.interface";
 
 export interface LauchOption {
-   version: BSVersion,
-   oculus: boolean,
-   desktop: boolean,
-   debug: boolean
+    version: BSVersion,
+    oculus: boolean,
+    desktop: boolean,
+    debug: boolean,
+    additionalArgs?: string[]
 }