Add FriendicaEntry class (used for posts and comments)

lib/models/friendica_entry.dart

@@ -0,0 +1,52 @@
+class FriendicaEntry {
+  final Map<String, dynamic> originalJson;
+  final int id;
+  final String text;
+  final String url;
+  final int commentCount;
+  final List<String> images;
+
+  FriendicaEntry(
+      {required this.originalJson,
+      required this.text,
+      required this.id,
+      required this.commentCount,
+      required this.url,
+      required this.images});
+
+  FriendicaEntry.fromJson(Map<String, dynamic> json)
+      : originalJson = json,
+        id = json['id'] ?? -1,
+        text = json['text'] ?? '',
+        url = json['external_url'] ?? '',
+        commentCount = _commentCountFromJson(json),
+        images = _imagesFromJson(json);
+
+  @override
+  String toString() {
+    return '''
+    FriendicaPost{
+      id: $id, 
+      text: $text, 
+      url: $url,
+      commentCount: $commentCount,
+      images: $images,
+    }
+    ''';
+  }
+
+  static int _commentCountFromJson(Map<String, dynamic> json) {
+    final readCount = json['friendica_comments'] ?? 0;
+    final count = readCount is int ? readCount : int.tryParse(readCount) ?? 0;
+    return count;
+  }
+
+  static List<String> _imagesFromJson(Map<String, dynamic> json) {
+    final List<dynamic> attachments = json['attachments'] ?? [];
+    return attachments
+        .where((a) => a['mimetype']?.startsWith('image') ?? false)
+        .map((a) => a['url']?.toString() ?? '')
+        .where((urlString) => urlString.isNotEmpty)
+        .toList();
+  }
+}