feat: add gallery feature with database integration and rendering capabilities

2026-08-25 11:46:33 +01:00
parent b66b73a3c6
commit 8c2212b563
17 changed files with 2902 additions and 885 deletions
@@ -0,0 +1,92 @@
+import "dart:convert";
+import "dart:typed_data";
+
+import "package:flutter/foundation.dart";
+import "package:quotegen_client/models/gallery_item.dart";
+import "package:quotegen_client/providers/form_provider.dart";
+import "package:quotegen_client/services/gallery_db.dart";
+
+
+class GalleryProvider extends ChangeNotifier {
+
+  List<GalleryItem> items = [];
+  bool isLoading = false;
+
+
+  GalleryProvider() {
+    load();
+  }
+
+  Future<void> load() async {
+    isLoading = true;
+    notifyListeners();
+
+    items = await GalleryDB.getAllItems();
+
+    isLoading = false;
+    notifyListeners();
+  }
+
+  // returns false if a duplicate already exists
+  Future<bool> saveCurrentForm(FormProvider form) async {
+    final avatarB64 = form.avatarImage != null ? base64Encode(form.avatarImage!) : null;
+    final postB64 = form.postImage != null ? base64Encode(form.postImage!) : null;
+    final ts = form.combineDateTime();
+
+    final isDuplicate = items.any((i) =>
+      i.displayName == form.displayName &&
+      i.handle == form.handle &&
+      i.content == form.content &&
+      i.verified == form.verified &&
+      i.timestamp == ts &&
+      i.avatarImageB64 == avatarB64 &&
+      i.postImageB64 == postB64 &&
+      i.replies == form.replies &&
+      i.retweets == form.retweets &&
+      i.likes == form.likes &&
+      i.views == form.views
+    );
+
+    if (isDuplicate) return false;
+
+    final id = DateTime.now().millisecondsSinceEpoch.toString();
+
+    final item = GalleryItem(
+      id: id,
+      displayName: form.displayName,
+      handle: form.handle,
+      content: form.content,
+      verified: form.verified,
+      timestamp: ts,
+      avatarImageB64: avatarB64,
+      postImageB64: postB64,
+      replies: form.replies,
+      retweets: form.retweets,
+      likes: form.likes,
+      views: form.views,
+      createdAt: DateTime.now().millisecondsSinceEpoch,
+    );
+
+    await GalleryDB.saveItem(item);
+    items.insert(0, item);
+    notifyListeners();
+    return true;
+  }
+
+  Future<void> deleteItem(String id) async {
+    await GalleryDB.deleteItem(id);
+    items.removeWhere((i) => i.id == id);
+    notifyListeners();
+  }
+
+  // decode image bytes for a gallery item - returns null if no image
+  Uint8List? decodeAvatar(GalleryItem item) {
+    if (item.avatarImageB64 == null) return null;
+    return base64Decode(item.avatarImageB64!);
+  }
+
+  Uint8List? decodePostImage(GalleryItem item) {
+    if (item.postImageB64 == null) return null;
+    return base64Decode(item.postImageB64!);
+  }
+}