Continue to fix issues

lib/lists/comments_list.dart

@@ -1,5 +1,4 @@
-import 'dart:collection';
-
+import 'package:comunic/lists/abstract_list.dart';
 import 'package:comunic/models/comment.dart';
 
 /// Comments list
@@ -8,19 +7,7 @@ import 'package:comunic/models/comment.dart';
 ///
 /// @author Pierre HUBERT
 
-class CommentsList extends ListBase<Comment> {
-  List<Comment> _list = [];
-
-  int get length => _list.length;
-
-  set length(int l) => _list.length = l;
-
-  @override
-  Comment operator [](int index) => _list[index];
-
-  @override
-  void operator []=(int index, Comment value) => _list[index] = value;
-
+class CommentsList extends AbstractList<Comment> {
   /// Get the list of users in this comments, as a set
   Set<int> get usersID => map((f) => f.userID).toSet();
 }

lib/lists/friends_list.dart

@@ -1,24 +1,11 @@
-import 'dart:collection';
-
+import 'package:comunic/lists/abstract_list.dart';
 import 'package:comunic/models/friend.dart';
 
 /// List of friends of the user
 ///
 /// @author Pierre HUBERT
 
-class FriendsList extends ListBase<Friend> {
-  List<Friend> _list = [];
-
-  int get length => _list.length;
-
-  set length(int length) => _list.length = length;
-
-  @override
-  Friend operator [](int index) => _list[index];
-
-  @override
-  void operator []=(int index, Friend value) => _list[index] = value;
-
+class FriendsList extends AbstractList<Friend> {
   /// Get the ID of all the friends of the current user
   List<int> get usersId => map((f) => f.id).toList();
 }

lib/lists/posts_list.dart

@@ -1,5 +1,4 @@
-import 'dart:collection';
-
+import 'package:comunic/lists/abstract_list.dart';
 import 'package:comunic/models/post.dart';
 
 /// Posts List
@@ -8,19 +7,7 @@ import 'package:comunic/models/post.dart';
 ///
 /// @author Pierre HUBERT
 
-class PostsList extends ListBase<Post> {
-  List<Post> _list = [];
-
-  int get length => _list.length;
-
-  set length(int l) => _list.length = l;
-
-  @override
-  Post operator [](int index) => _list[index];
-
-  @override
-  void operator []=(int index, Post value) => _list[index] = value;
-
+class PostsList extends AbstractList<Post> {
   // Get the list of users ID in this set
   Set<int?> get usersID {
     Set<int?> set = Set();
@@ -49,8 +36,7 @@ class PostsList extends ListBase<Post> {
 
   /// Get the ID of the oldest post of this list. Returns 0 if the list is empty
   int get oldestID {
-    if(isEmpty)
-      return 0;
+    if (isEmpty) return 0;
 
     return this.elementAt(length - 1).id;
   }

lib/ui/widgets/posts_list_widget.dart

@@ -41,12 +41,7 @@ class PostsListWidget extends StatefulWidget {
     this.getOlder,
     this.topWidgets,
     this.disablePullToRefresh = false,
-  })  : assert(getPostsList != null),
-        assert(showPostsTarget != null),
-        assert(buildListView != null),
-        assert(userNamesClickable != null),
-        assert(disablePullToRefresh != null),
-        super(key: key);
+  }) : super(key: key);
 
   @override
   State<StatefulWidget> createState() => PostsListWidgetState();