fix: accept any valid mime type for downloadable tracks

src/store/downloads/actions.ts

@@ -2,8 +2,8 @@ import { createAction, createAsyncThunk, createEntityAdapter } from '@reduxjs/to
 import { AppState } from '@/store';
 import { downloadFile, unlink, DocumentDirectoryPath, exists } from 'react-native-fs';
 import { DownloadEntity } from './types';
-import MimeTypes from '@/utility/MimeTypes';
 import { generateTrackUrl } from '@/utility/JellyfinApi/track';
+import db from 'mime-db';
 
 export const downloadAdapter = createEntityAdapter<DownloadEntity>();
 
@@ -26,13 +26,13 @@ export const downloadTrack = createAsyncThunk(
         }
 
         // Then convert the MIME-type to an extension
-        const extension = MimeTypes[contentType as keyof typeof MimeTypes];
-        if (!extension) {
+        const extensions = db[contentType]?.extensions;
+        if (!extensions?.length) {
             throw new Error(`Unsupported MIME-type ${contentType}`);
         }
 
         // Then generate the proper location
-        const location = `${DocumentDirectoryPath}/${id}${extension}`;
+        const location = `${DocumentDirectoryPath}/${id}.${extensions[0]}`;
 
         // Actually kick off the download
         const { promise } = await downloadFile({

src/utility/MimeTypes.ts

@@ -1,21 +0,0 @@
-/**
- * The filetypes this application will most probably receive.
- * Adapted from: https://github.com/jellyfin/jellyfin/blob/63d943aab92a4b5f69e625a269eb830bcbfb4d22/MediaBrowser.Model/Net/MimeTypes.cs#L107
- */
-const MimeTypes = {
-    'audio/aac': '.aac',
-    'audio/ac3': '.ac3',
-    'audio/dsf': '.dsf',
-    'audio/dsp': '.dsp',
-    'audio/flac': '.flac',
-    'audio/m4b': '.m4b',
-    'audio/mp4': '.m4a',
-    'audio/mpeg': '.mp3',
-    'audio/vorbis': '.vorbis',
-    'audio/x-ape': '.ape',
-    'audio/xsp': '.xsp',
-    'audio/x-wavpack': '.wv',
-    'audio/ogg': '.ogg',
-};
-
-export default MimeTypes;