start playlists management

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

@@ -0,0 +1,81 @@
+import path from "path";
+import { BehaviorSubject } from "rxjs";
+import { Observable } from "rxjs";
+import { BSVersion } from "shared/bs-version.interface";
+import { BsvPlaylist, BsvPlaylistPage } from "shared/models/maps/beat-saver.model";
+import { BSLocalVersionService } from "../bs-local-version.service";
+import { RequestService } from "../request.service";
+import { UtilsService } from "../utils.service";
+import { LocalMapsManagerService } from "./local-maps-manager.service";
+
+export class LocalPlaylistsManagerService {
+
+    private static instance: LocalPlaylistsManagerService
+
+    public static getInstance(): LocalPlaylistsManagerService {
+        if (!LocalPlaylistsManagerService.instance) { LocalPlaylistsManagerService.instance = new LocalPlaylistsManagerService(); }
+        return LocalPlaylistsManagerService.instance;
+    }
+
+    private readonly PLAYLISTS_FOLDER = "Playlists";
+    private readonly DEEP_LINKS = {
+        BeatSaver: "bsplaylist",
+    };
+
+
+    private readonly versions: BSLocalVersionService;
+    private readonly maps: LocalMapsManagerService;
+    public readonly utils: UtilsService;
+    public readonly request: RequestService;
+
+    private constructor(){
+        this.maps = LocalMapsManagerService.getInstance();
+        this.versions = BSLocalVersionService.getInstance();
+        this.utils = UtilsService.getInstance();
+        this.request = RequestService.getInstance();
+    }
+
+    private getPlaylistIdFromDownloadUrl(url: string): string{
+        const splited = url.split("/")
+        const idIndex = splited.indexOf("id");
+        return splited[idIndex + 1];
+    }
+
+    private async downloadPlaylistFile(playlist: BsvPlaylist, version: BSVersion): Promise<string>{
+
+        const versionFolder = await this.versions.getVersionPath(version);
+        const bpListUrl = playlist.downloadURL;
+
+        const bsListDest = path.join(versionFolder, this.PLAYLISTS_FOLDER, path.basename(bpListUrl));
+
+        return this.request.downloadFile(bpListUrl, bsListDest);
+
+    }
+
+    public downloadPlaylist(playlistPage: BsvPlaylistPage, version: BSVersion): Observable<string[]>{
+
+        const res = new BehaviorSubject<string[]>([]);
+
+        const observer = async () => {
+            try{
+                const bpListPath = await this.downloadPlaylistFile(playlistPage.playlist, version);
+
+                for(const map of playlistPage.maps){
+                    const mapPath = await this.maps.downloadMap(map.map, version);
+                    res.next([...res.value, mapPath]);
+                }
+
+                res.next([...res.value, bpListPath]);
+                res.complete();
+            }
+            catch(e){
+                res.error(e);
+            }
+        }
+
+        observer();
+        return res.asObservable();
+
+    }
+
+}

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

@@ -1,6 +1,6 @@
 import { ApiResult } from "renderer/models/api/api.model";
 import { BsvMapDetail } from "shared/models/maps";
-import { MapFilter, SearchParams, SearchResponse } from "shared/models/maps/beat-saver.model";
+import { BsvPlaylistPage, MapFilter, SearchParams, SearchResponse } from "shared/models/maps/beat-saver.model";
 import  fetch from "node-fetch"
 
 export class BeatSaverApiService {
@@ -121,4 +121,14 @@ export class BeatSaverApiService {
 
     }
 
+    public async getPlaylistDetails(id: number): Promise<ApiResult<BsvPlaylistPage>>{
+
+        const res = await fetch(`${this.bsaverApiUrl}/playlists/id/${id}`);
+
+        const data = await res.json() as BsvPlaylistPage;
+
+        return {status: res.status, data};
+
+    }
+
 }

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

@@ -1,7 +1,8 @@
 import { splitIntoChunk } from "../../../helpers/array-tools";
 import { BsvMapDetail } from "shared/models/maps";
-import { SearchParams } from "shared/models/maps/beat-saver.model";
+import { BsvPlaylist, BsvPlaylistPage, SearchParams } from "shared/models/maps/beat-saver.model";
 import { BeatSaverApiService } from "./beat-saver-api.service";
+import { red } from "tailwindcss/colors";
 
 export class BeatSaverService {
 
@@ -65,6 +66,13 @@ export class BeatSaverService {
 
     }
 
+    public async getPlaylistPage(id: number): Promise<BsvPlaylistPage>{
+
+        const res = await this.bsaverApi.getPlaylistDetails(id);
+        return res.data;
+
+    }
+
 
 
 }