create uninstaller service

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

@@ -0,0 +1,31 @@
+import path from "path";
+import { BSInstallerService } from "./bs-installer.service";
+import { BSVersion } from "./bs-version-manager.service";
+import { UtilsService } from "./utils.service";
+
+export class BSUninstallerService {
+
+    private static instance: BSUninstallerService;
+
+    private readonly utilsService: UtilsService;
+    private readonly bsInstallerService: BSInstallerService;
+
+    public static getInstance(): BSUninstallerService {
+        if(!BSUninstallerService.instance){ BSUninstallerService.instance = new BSUninstallerService(); }
+        return BSUninstallerService.instance;
+    }
+
+    private constructor(){
+        this.utilsService = UtilsService.getInstance();
+        this.bsInstallerService = BSInstallerService.getInstance();
+    }
+
+    public async uninstall(version :BSVersion){
+        if(version.steam){ throw "Cannot uninstall steam version"; }
+        const versionFolder = path.join(this.bsInstallerService.getBSInstallationFolder(), version.BSVersion);
+        if(!this.utilsService.folderExist(versionFolder)){ throw "Version folder not exist"; }
+
+        return await this.utilsService.deleteFolder(versionFolder);
+    }
+
+}