Can change group name

lib/helpers/groups_helper.dart

@@ -3,6 +3,7 @@ import 'package:comunic/models/advanced_group_info.dart';
 import 'package:comunic/models/api_request.dart';
 import 'package:comunic/models/group.dart';
 import 'package:comunic/utils/api_utils.dart';
+import 'package:comunic/utils/map_utils.dart';
 
 /// Groups helper
 ///
@@ -192,6 +193,29 @@ class GroupsHelper {
     return groupInfo.info;
   }
 
+  /// Update (set) new group settings
+  ///
+  /// Throws in case of error
+  static Future<void> setSettings(AdvancedGroupInfo settings) async {
+    await APIRequest(uri: "groups/set_settings", needLogin: true)
+        .addInt("id", settings.id)
+        .addString("name", settings.name)
+        .addString("virtual_directory", settings.virtualDirectory)
+        .addString("visibility",
+            invertMap(_APIGroupsVisibilityLevelsMap)[settings.visibilityLevel])
+        .addString(
+            "registration_level",
+            invertMap(
+                _APIGroupsRegistrationLevelsMap)[settings.registrationLevel])
+        .addString(
+            "posts_level",
+            invertMap(
+                _APIGroupsPostsCreationLevelsMap)[settings.postCreationLevel])
+        .addString("description", settings.description)
+        .addString("url", settings.url)
+        .execWithThrow();
+  }
+
   /// Turn an API entry into a group object
   Group _getGroupFromAPI(Map<String, dynamic> map) {
     return Group(
@@ -224,7 +248,7 @@ class GroupsHelper {
         following: map["following"],
         timeCreate: map["time_create"],
         description: map["description"],
-        url: map["url"],
+        url: map["url"] == "null" ? "" : map["url"],
         likes: map["number_likes"],
         userLike: map["is_liking"],
       );

lib/models/group.dart

@@ -21,7 +21,7 @@ enum GroupPostCreationLevel { MODERATORS, MEMBERS }
 
 class Group {
   final int id;
-  final String name;
+  String name;
   final String iconURL;
   final int numberMembers;
   GroupMembershipLevel membershipLevel;

lib/ui/screens/group_settings_screen.dart

@@ -3,7 +3,9 @@ import 'package:comunic/models/advanced_group_info.dart';
 import 'package:comunic/ui/widgets/async_screen_widget.dart';
 import 'package:comunic/ui/widgets/comunic_back_button_widget.dart';
 import 'package:comunic/ui/widgets/safe_state.dart';
+import 'package:comunic/ui/widgets/settings/text_settings_edit_tile.dart';
 import 'package:comunic/utils/intl_utils.dart';
+import 'package:comunic/utils/ui_utils.dart';
 import 'package:flutter/material.dart';
 import 'package:settings_ui/settings_ui.dart';
 
@@ -25,10 +27,23 @@ class GroupSettingsScreen extends StatefulWidget {
 class _GroupSettingsScreenState extends SafeState<GroupSettingsScreen> {
   AdvancedGroupInfo _groupSettings;
 
+  final _key = GlobalKey<AsyncScreenWidgetState>();
+
   Future<void> _refresh() async {
     _groupSettings = await GroupsHelper().getSettings(widget.groupID);
   }
 
+  Future<void> _updateSettings() async {
+    try {
+      await GroupsHelper.setSettings(_groupSettings);
+    } catch (e, stack) {
+      print("Could not update group settings! $e\n$stack");
+      showSimpleSnack(context, tr("Could not update group settings!"));
+    }
+
+    _key.currentState.refresh();
+  }
+
   @override
   Widget build(BuildContext context) {
     return Scaffold(
@@ -42,9 +57,11 @@ class _GroupSettingsScreenState extends SafeState<GroupSettingsScreen> {
 
   Widget _buildBody() {
     return AsyncScreenWidget(
+      key: _key,
       onReload: _refresh,
       onBuild: _buildContent,
       errorMessage: tr("Could not get group settings!"),
+      showOldDataWhileUpdating: true,
     );
   }
 
@@ -58,10 +75,20 @@ class _GroupSettingsScreenState extends SafeState<GroupSettingsScreen> {
     return SettingsSection(
       title: tr("General information"),
       tiles: [
+        // Group ID
         SettingsTile(
           title: tr("Group ID"),
           subtitle: _groupSettings.id.toString(),
         ),
+
+        // Group name
+        TextEditSettingsTile(
+            title: tr("Group name"),
+            currValue: _groupSettings.name,
+            onChanged: (s) {
+              _groupSettings.name = s;
+              _updateSettings();
+            }),
       ],
     );
   }

lib/utils/map_utils.dart

@@ -0,0 +1,6 @@
+/// Map utilities
+///
+/// @author Pierre HUBERT
+
+/// Invert the values of a map with their keys
+Map<V, K> invertMap<K, V>(Map<K, V> m) => m.map((k, v) => MapEntry(v, k));