Load memberships

lib/helpers/conversations_helper.dart

@@ -96,7 +96,7 @@ class ConversationsHelper {
 
     try {
       ConversationsList list = ConversationsList();
-      response.getArray().forEach((f) => list.add(_apiToConversation(f)));
+      response.getArray().forEach((f) => list.add(apiToConversation(f)));
 
       // Update the database
       await _conversationsDatabaseHelper.clearTable();
@@ -126,7 +126,7 @@ class ConversationsHelper {
 
       if (response.code != 200) return null;
 
-      final conversation = _apiToConversation(response.getObject());
+      final conversation = apiToConversation(response.getObject());
       _conversationsDatabaseHelper.insertOrUpdate(conversation);
       return conversation;
     } on Exception catch (e) {
@@ -222,7 +222,7 @@ class ConversationsHelper {
   }
 
   /// Turn an API entry into a [Conversation] object
-  Conversation _apiToConversation(Map<String, dynamic> map) {
+  static Conversation apiToConversation(Map<String, dynamic> map) {
     return Conversation(
         id: map["ID"],
         ownerID: map["ID_owner"],

lib/helpers/friends_helper.dart

@@ -28,18 +28,12 @@ class FriendsHelper {
     if (response.code != 200) return null;
 
     // Parse and return the list of friends
-    FriendsList list = FriendsList();
-    response.getArray().forEach(
-          (f) => list.add(
-                Friend(
-                  id: f["ID_friend"],
-                  accepted: f["accepted"] == 1,
-                  lastActive: f["time_last_activity"],
-                  following: f["following"] == 1,
-                  canPostTexts: f["canPostTexts"],
-                ),
-              ),
-        );
+    FriendsList list = FriendsList()
+      ..addAll(response
+          .getArray()
+          .cast<Map<String, dynamic>>()
+          .map(apiToFriend)
+          .toList());
 
     // Save the list of friends
     _friendsDatabaseHelper.clearTable();
@@ -48,6 +42,17 @@ class FriendsHelper {
     return list;
   }
 
+  /// Turn an API entry into a [Friend] object
+  static Friend apiToFriend(Map<String, dynamic> row) {
+    return Friend(
+      id: row["ID_friend"],
+      accepted: row["accepted"] == 1,
+      lastActive: row["time_last_activity"],
+      following: row["following"] == 1,
+      canPostTexts: row["canPostTexts"],
+    );
+  }
+
   /// Get the list, either from an online or an offline source
   Future<FriendsList> getList({@required bool online}) async {
     if (online)

lib/helpers/webapp_helper.dart

@@ -0,0 +1,47 @@
+import 'package:comunic/helpers/conversations_helper.dart';
+import 'package:comunic/helpers/friends_helper.dart';
+import 'package:comunic/lists/memberships_list.dart';
+import 'package:comunic/models/api_request.dart';
+import 'package:comunic/models/membership.dart';
+
+/// Web application helper
+///
+/// @author Pierre Hubert
+
+class WebAppHelper {
+  /// Fetch from the server the list of memberships of the user
+  ///
+  /// Throws in case of failure
+  static Future<MembershipList> getMemberships() async {
+    final response =
+        (await APIRequest.withLogin("webApp/getMemberships").execWithThrow())
+            .getArray();
+
+    return MembershipList()
+      ..addAll(response
+          .cast<Map<String, dynamic>>()
+          .map(_apiToMembership)
+          .where((f) => f != null)
+            ..toList());
+  }
+
+  /// Turn an API entry into a membership entry
+  static Membership _apiToMembership(Map<String, dynamic> entry) {
+    switch (entry["type"]) {
+      case "conversation":
+        return Membership.conversation(
+            ConversationsHelper.apiToConversation(entry["conv"]));
+
+      case "friend":
+        return Membership.friend(FriendsHelper.apiToFriend(entry["friend"]));
+
+      case "group":
+        return Membership.group(
+            groupID: entry["id"], groupLastActive: entry["last_activity"]);
+
+      default:
+        print("Unknown membership type: ${entry["type"]}");
+        return null;
+    }
+  }
+}

lib/lists/memberships_list.dart

@@ -0,0 +1,8 @@
+import 'package:comunic/lists/abstract_list.dart';
+import 'package:comunic/models/membership.dart';
+
+/// Memberships list
+///
+/// @author Pierre Hubert
+
+class MembershipList extends AbstractList<Membership> {}

lib/models/friend.dart

@@ -22,8 +22,6 @@ class Friend extends CacheModel implements Comparable<Friend> {
   })  : assert(id != null),
         assert(accepted != null),
         assert(lastActive != null),
-        assert(following != null),
-        assert(canPostTexts != null),
         super(id: id);
 
   /// Check out whether friend is connected or not

lib/models/membership.dart

@@ -0,0 +1,38 @@
+import 'package:comunic/models/conversation.dart';
+import 'package:comunic/models/friend.dart';
+import 'package:flutter/material.dart';
+
+/// Membership information
+///
+/// @author Pierre Hubert
+
+enum MembershipType { FRIEND, GROUP, CONVERSATION }
+
+class Membership {
+  final MembershipType type;
+  final Conversation conversation;
+  final Friend friend;
+  final int groupID;
+  final int groupLastActive;
+
+  Membership.conversation(this.conversation)
+      : type = MembershipType.CONVERSATION,
+        friend = null,
+        groupID = null,
+        groupLastActive = null,
+        assert(conversation != null);
+
+  Membership.friend(this.friend)
+      : type = MembershipType.FRIEND,
+        conversation = null,
+        groupID = null,
+        groupLastActive = null,
+        assert(friend != null);
+
+  Membership.group({@required this.groupID, @required this.groupLastActive})
+      : type = MembershipType.GROUP,
+        conversation = null,
+        friend = null,
+        assert(groupID != null),
+        assert(groupLastActive != null);
+}

lib/ui/routes/main_route/tablet_route.dart

@@ -1,5 +1,6 @@
 import 'package:comunic/ui/routes/main_route/main_route.dart';
 import 'package:comunic/ui/widgets/tablet_mode/current_user_panel.dart';
+import 'package:comunic/ui/widgets/tablet_mode/memberships_panel.dart';
 import 'package:flutter/material.dart';
 
 /// Main tablet route
@@ -40,7 +41,11 @@ class _TabletRouteState extends State<TabletRoute> {
           width: 300,
           color: Color(0xFF222D32),
           child: Column(
-            children: <Widget>[CurrentUserPanel()],
+            children: <Widget>[
+              CurrentUserPanel(),
+              Container(height: 20),
+              Expanded(child: MembershipsPanel())
+            ],
           ),
         ),
       );

lib/ui/widgets/tablet_mode/memberships_panel.dart

@@ -0,0 +1,41 @@
+import 'package:comunic/helpers/webapp_helper.dart';
+import 'package:comunic/lists/memberships_list.dart';
+import 'package:comunic/ui/widgets/safe_state.dart';
+import 'package:flutter/material.dart';
+
+/// Memberships panel
+///
+/// @author Pierre Hubert
+
+class MembershipsPanel extends StatefulWidget {
+  @override
+  _MembershipsPanelState createState() => _MembershipsPanelState();
+}
+
+class _MembershipsPanelState extends SafeState<MembershipsPanel> {
+  MembershipList _membershipList;
+
+  Future<void> _refresh() async {
+    try {
+      final memberships = await WebAppHelper.getMemberships();
+
+      setState(() {
+        _membershipList = memberships;
+      });
+    } catch (e, s) {
+      print("Could not load the list of memberships! $e\n$s");
+      setTimeout(5, _refresh);
+    }
+  }
+
+  @override
+  void initState() {
+    super.initState();
+    _refresh();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Container();
+  }
+}