Display group posts

lib/helpers/posts_helper.dart

@@ -84,6 +84,24 @@ class PostsHelper {
     }
   }
 
+  /// Get the list of posts of a group
+  Future<PostsList> getGroupPosts(int groupID, {int from = 0}) async {
+    final response = await (APIRequest(uri: "posts/get_group", needLogin: true)
+          ..addInt("groupID", groupID)
+          ..addInt("startFrom", from == 0 ? 0 : from - 1))
+        .exec();
+
+    if (response.code != 200) return null;
+
+    try {
+      // Parse & return the list of posts
+      return PostsList()..addAll(response.getArray().map((f) => _apiToPost(f)));
+    } catch (e) {
+      print(e.toString());
+      return null;
+    }
+  }
+
   /// Get a single post information
   Future<Post> getSingle(int postID) async {
     final response = await APIRequest(