Can update a conversation from the list of conversations

lib/ui/screens/conversations_list_screen.dart

@@ -5,6 +5,7 @@ import 'package:comunic/lists/conversations_list.dart';
 import 'package:comunic/models/conversation.dart';
 import 'package:comunic/ui/routes/conversation_route.dart';
 import 'package:comunic/ui/routes/create_conversation_route.dart';
+import 'package:comunic/ui/routes/update_conversation_route.dart';
 import 'package:comunic/ui/tiles/conversation_tile.dart';
 import 'package:comunic/utils/intl_utils.dart';
 import 'package:comunic/utils/ui_utils.dart';
@@ -106,7 +107,18 @@ class _ConversationScreenState extends State<ConversationsListScreen> {
         .push(MaterialPageRoute(builder: (c) => CreateConversationRoute()));
   }
 
-  /// Handles conversation deletion request
+  /// Handle conversations updated requests
+  void _updateConversation(Conversation conversation) {
+    Navigator.of(context).push(
+      MaterialPageRoute(
+        builder: (c) => UpdateConversationRoute(
+              conversationID: conversation.id,
+            ),
+      ),
+    );
+  }
+
+  /// Handle conversation deletion request
   Future<void> _requestDeleteConversation(Conversation conversation) async {
     final result = await showDialog<bool>(
       context: context,
@@ -166,6 +178,7 @@ class _ConversationScreenState extends State<ConversationsListScreen> {
                     onOpen: (c) {
                       _openConversation(context, c.id);
                     },
+                    onRequestUpdate: _updateConversation,
                     onRequestDelete: _requestDeleteConversation,
                   );
                 },

lib/ui/tiles/conversation_tile.dart

@@ -11,24 +11,28 @@ import 'package:flutter/material.dart';
 
 typedef OpenConversationCallback = void Function(Conversation);
 typedef RequestDeleteConversationCallback = void Function(Conversation);
+typedef RequestUpdateConversationCallback = void Function(Conversation);
 
-enum _PopupMenuChoices { DELETE }
+enum _PopupMenuChoices { UPDATE, DELETE }
 
 class ConversationTile extends StatelessWidget {
   final Conversation conversation;
   final UsersList usersList;
   final OpenConversationCallback onOpen;
+  final RequestUpdateConversationCallback onRequestUpdate;
   final RequestDeleteConversationCallback onRequestDelete;
 
-  const ConversationTile(
+  const ConversationTile({
-      {Key key,
+    Key key,
-      @required this.conversation,
+    @required this.conversation,
-      @required this.usersList,
+    @required this.usersList,
-      @required this.onOpen,
+    @required this.onOpen,
-      @required this.onRequestDelete})
+    @required this.onRequestUpdate,
-      : assert(conversation != null),
+    @required this.onRequestDelete,
+  })  : assert(conversation != null),
         assert(usersList != null),
         assert(onOpen != null),
+        assert(onRequestUpdate != null),
         assert(onRequestDelete != null),
         super(key: key);
 
@@ -90,6 +94,10 @@ class ConversationTile extends StatelessWidget {
       // Trailing information
       trailing: PopupMenuButton<_PopupMenuChoices>(
         itemBuilder: (b) => <PopupMenuEntry<_PopupMenuChoices>>[
+              PopupMenuItem(
+                child: Text(tr("Update")),
+                value: _PopupMenuChoices.UPDATE,
+              ),
               PopupMenuItem(
                 child: Text(tr("Delete")),
                 value: _PopupMenuChoices.DELETE,
@@ -103,6 +111,10 @@ class ConversationTile extends StatelessWidget {
   /// Method called each time an option of the menu is selected
   void _conversationMenuCallback(_PopupMenuChoices c) {
     switch (c) {
+      case _PopupMenuChoices.UPDATE:
+        onRequestUpdate(conversation);
+        break;
+
       case _PopupMenuChoices.DELETE:
         onRequestDelete(conversation);
         break;