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lib/lists/posts_list.dart

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+import 'dart:collection';
+
+import 'package:comunic/models/post.dart';
+
+/// Posts List
+///
+/// Contains method to easily process a list of posts
+///
+/// @author Pierre HUBERT
+
+class PostsList extends ListBase<Post> {
+
+  List<Post> _list = 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;
+
+  // Get the list of users ID in this set
+  Set<int> get usersID {
+    Set<int> set = Set();
+
+    forEach((p) {
+      set.add(p.userID);
+
+      if(p.userPageID != null && p.userPageID > 0)
+        set.add(p.userPageID);
+    });
+
+    return set;
+  }
+
+}