feat: upload manager (#19565)

web/src/lib/managers/upload-manager.svelte.ts

@@ -0,0 +1,24 @@
+import { eventManager } from '$lib/managers/event-manager.svelte';
+import { getSupportedMediaTypes, type ServerMediaTypesResponseDto } from '@immich/sdk';
+
+class UploadManager {
+  mediaTypes = $state<ServerMediaTypesResponseDto>({ image: [], sidecar: [], video: [] });
+
+  constructor() {
+    eventManager.on('app.init', () => void this.#loadExtensions());
+  }
+
+  async #loadExtensions() {
+    try {
+      this.mediaTypes = await getSupportedMediaTypes();
+    } catch {
+      console.error('Failed to load supported media types');
+    }
+  }
+
+  getExtensions() {
+    return [...this.mediaTypes.image, ...this.mediaTypes.video];
+  }
+}
+
+export const uploadManager = new UploadManager();