[web][photos] Adding support for downloading files as zip

web/apps/photos/src/components/DownloadStatusNotifications.tsx

@@ -90,7 +90,16 @@ export const DownloadStatusNotifications: React.FC<
     return saveGroups.map((group, index) => {
         const hasErrors = isSaveCompleteWithErrors(group);
         const canRetry = hasErrors && !!group.retry;
-        const failedTitle = `${t("download_failed")} (${group.failed}/${group.total})`;
+
+        // Show specific error message based on failure reason
+        let failedTitle: string;
+        if (group.failureReason === "network_offline") {
+            failedTitle = `${t("download_failed_network_offline")} (${group.failed}/${group.total})`;
+        } else if (group.failureReason === "file_error") {
+            failedTitle = `${t("download_failed_file_error")} (${group.failed}/${group.total})`;
+        } else {
+            failedTitle = `${t("download_failed")} (${group.failed}/${group.total})`;
+        }
 
         return (
             <Notification

web/packages/base/locales/en-US/translation.json

@@ -658,6 +658,9 @@
     "download_complete": "Download complete",
     "downloading_album": "Downloading {{name}}",
     "download_failed": "Download failed",
+    "download_failed_network_offline": "Connection lost",
+    "download_failed_file_error": "Some files failed",
+    "retry": "Retry",
     "download_progress": "{{count, number}} / {{total, number}} files",
     "christmas": "Christmas",
     "christmas_eve": "Christmas Eve",

web/packages/gallery/components/utils/save-groups.ts

@@ -73,6 +73,15 @@ export interface SaveGroup {
      * An {@link AbortController} that can be used to cancel the save.
      */
     canceller: AbortController;
+    /**
+     * The reason for the failure, if any.
+     *
+     * This is used to show a more specific error message to the user.
+     * - "network_offline": The network went offline during download
+     * - "file_error": One or more individual files failed to download
+     * - undefined: No specific reason (generic error)
+     */
+    failureReason?: "network_offline" | "file_error";
 }
 
 /**

web/packages/gallery/package.json

@@ -9,6 +9,7 @@
         "ente-utils": "*",
         "exifreader": "^4.32.0",
         "hls-video-element": "^1.5.8",
+        "jszip": "^3.10.1",
         "leaflet": "^1.9.4",
         "leaflet-defaulticon-compatibility": "^0.1.2",
         "localforage": "^1.10.0",