Added conversation message statistics

lib/ui/routes/conversation_message_stats_route.dart

@@ -0,0 +1,95 @@
+import 'package:comunic/helpers/users_helper.dart';
+import 'package:comunic/lists/users_list.dart';
+import 'package:comunic/models/conversation.dart';
+import 'package:comunic/models/conversation_message.dart';
+import 'package:comunic/ui/routes/main_route/main_route.dart';
+import 'package:comunic/ui/widgets/account_image_widget.dart';
+import 'package:comunic/ui/widgets/async_screen_widget.dart';
+import 'package:comunic/utils/date_utils.dart';
+import 'package:comunic/utils/intl_utils.dart';
+import 'package:flutter/material.dart';
+
+/// Conversation message statistics route
+///
+/// @author Pierre Hubert
+
+class ConversationMessageStatsRoute extends StatefulWidget {
+  final Conversation conv;
+  final ConversationMessage message;
+
+  const ConversationMessageStatsRoute({
+    Key key,
+    @required this.conv,
+    @required this.message,
+  })  : assert(conv != null),
+        assert(message != null),
+        super(key: key);
+
+  @override
+  _ConversationMessageStatsRouteState createState() =>
+      _ConversationMessageStatsRouteState();
+}
+
+class _ConversationMessageStatsRouteState
+    extends State<ConversationMessageStatsRoute> {
+  UsersList _users;
+
+  Future<void> _init() async {
+    _users = await UsersHelper()
+        .getList(widget.conv.membersID..add(widget.message.userID));
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(
+        title: Text(tr("Message statistics")),
+        leading: IconButton(
+          icon: Icon(Icons.close),
+          onPressed: () => MainController.of(context).popPage(),
+        ),
+      ),
+      body: AsyncScreenWidget(
+          onReload: _init,
+          onBuild: _buildScreen,
+          errorMessage: tr("Failed to load message information!")),
+    );
+  }
+
+  List<Widget> get _firstItems => [
+        ListTile(
+          leading: Icon(Icons.access_time_rounded),
+          title: Text(tr("Created on")),
+          subtitle: Text(dateTimeToString(widget.message.date)),
+        ),
+        ListTile(
+          leading: AccountImageWidget(
+            user: _users.getUser(widget.message.userID),
+          ),
+          title: Text(_users.getUser(widget.message.userID).fullName),
+          subtitle: Text(tr("Creator")),
+        ),
+      ];
+
+  Widget _buildScreen() => ListView.builder(
+        itemCount: _firstItems.length + widget.conv.members.length,
+        itemBuilder: (c, i) {
+          final firstItems = _firstItems;
+          if (i < firstItems.length) return firstItems[i];
+
+          final convMember = widget.conv.members[i - firstItems.length];
+
+          if (convMember.userID == widget.message.userID) return Container();
+
+          return ListTile(
+            leading: AccountImageWidget(
+              user: _users.getUser(convMember.userID),
+            ),
+            title: Text(_users.getUser(convMember.userID).fullName),
+            subtitle: Text(convMember.lastMessageSeen < widget.message.id
+                ? tr("Message not seen yet")
+                : tr("Message seen")),
+          );
+        },
+      );
+}

lib/ui/routes/main_route/main_route.dart

@@ -1,4 +1,7 @@
 import 'package:comunic/helpers/account_helper.dart';
+import 'package:comunic/models/conversation.dart';
+import 'package:comunic/models/conversation_message.dart';
+import 'package:comunic/ui/routes/conversation_message_stats_route.dart';
 import 'package:comunic/ui/routes/conversation_route.dart';
 import 'package:comunic/ui/routes/main_route/page_info.dart';
 import 'package:comunic/ui/routes/settings/account_settings_route.dart';
@@ -151,6 +154,18 @@ abstract class MainController extends State<MainRoute> {
         hideNavBar: true,
       ));
 
+  /// Open a conversation message statistics page
+  void openConversationMessageStats(
+          Conversation conv, ConversationMessage message) =>
+      pushPage(PageInfo(
+        child: ConversationMessageStatsRoute(
+          conv: conv,
+          message: message,
+        ),
+        hideNavBar: true,
+        canShowAsDialog: true,
+      ));
+
   /// Start a call for a given conversation
   void startCall(int convID) =>
       pushPage(PageInfo(child: CallScreen(convID: convID), hideNavBar: true));

lib/ui/screens/conversation_screen.dart

@@ -8,6 +8,7 @@ import 'package:comunic/lists/users_list.dart';
 import 'package:comunic/models/conversation.dart';
 import 'package:comunic/models/conversation_message.dart';
 import 'package:comunic/models/new_conversation_message.dart';
+import 'package:comunic/ui/routes/main_route/main_route.dart';
 import 'package:comunic/ui/tiles/conversation_message_tile.dart';
 import 'package:comunic/ui/tiles/server_conversation_message_tile.dart';
 import 'package:comunic/ui/widgets/safe_state.dart';
@@ -331,6 +332,7 @@ class _ConversationScreenState extends SafeState<ConversationScreen> {
                     userInfo: _usersInfo.getUser(_messages[i].userID),
                     isLastMessage: _isLastMessage(i),
                     isFirstMessage: _isFirstMessage(i),
+                    onRequestMessageStats: _requestMessageStats,
                     onRequestMessageUpdate: _updateMessage,
                     onRequestMessageDelete: _deleteMessage,
                   );
@@ -425,6 +427,12 @@ class _ConversationScreenState extends SafeState<ConversationScreen> {
     );
   }
 
+  /// Request message statistics
+  void _requestMessageStats(ConversationMessage message) async {
+    MainController.of(context)
+        .openConversationMessageStats(_conversation, message);
+  }
+
   /// Request message content update
   Future<void> _updateMessage(ConversationMessage message) async {
     final newContent = await askUserString(

lib/ui/tiles/conversation_message_tile.dart

@@ -18,9 +18,11 @@ enum _MenuChoices {
   COPY_URL,
   COPY_MESSAGE,
   DELETE,
-  REQUEST_UPDATE_CONTENT
+  REQUEST_UPDATE_CONTENT,
+  GET_STATS,
 }
 
+typedef OnRequestMessageStats = void Function(ConversationMessage);
 typedef OnRequestMessageUpdate = void Function(ConversationMessage);
 typedef OnRequestMessageDelete = void Function(ConversationMessage);
 
@@ -30,6 +32,7 @@ class ConversationMessageTile extends StatelessWidget {
   final User userInfo;
   final bool isLastMessage;
   final bool isFirstMessage;
+  final OnRequestMessageStats onRequestMessageStats;
   final OnRequestMessageUpdate onRequestMessageUpdate;
   final OnRequestMessageDelete onRequestMessageDelete;
 
@@ -40,12 +43,14 @@ class ConversationMessageTile extends StatelessWidget {
     @required this.userInfo,
     @required this.isLastMessage,
     @required this.isFirstMessage,
+    @required this.onRequestMessageStats,
     @required this.onRequestMessageUpdate,
     @required this.onRequestMessageDelete,
   })  : assert(message != null),
         assert(userInfo != null),
         assert(isLastMessage != null),
         assert(isFirstMessage != null),
+        assert(onRequestMessageStats != null),
         assert(onRequestMessageUpdate != null),
         assert(onRequestMessageDelete != null),
         super(key: key);
@@ -66,7 +71,6 @@ class ConversationMessageTile extends StatelessWidget {
           width: 35.0,
         ),
         itemBuilder: (c) => [
-
           PopupMenuItem(
             enabled: (message.message?.content ?? "") != "",
             value: _MenuChoices.COPY_MESSAGE,
@@ -78,6 +82,12 @@ class ConversationMessageTile extends StatelessWidget {
             value: _MenuChoices.COPY_URL,
             child: Text(tr("Copy URL")),
           ),
+
+          PopupMenuItem(
+            value: _MenuChoices.GET_STATS,
+            child: Text(tr("Statistics")),
+          ),
+
           // Update message content
           PopupMenuItem(
             enabled: message.isOwner,
@@ -275,6 +285,10 @@ class ConversationMessageTile extends StatelessWidget {
         FlutterClipboard.copy(message.file.url);
         break;
 
+      case _MenuChoices.GET_STATS:
+        onRequestMessageStats(message);
+        break;
+
       case _MenuChoices.REQUEST_UPDATE_CONTENT:
         onRequestMessageUpdate(message);
         break;