Can create group conversations

lib/helpers/conversations_helper.dart

@@ -1,3 +1,4 @@
+import 'package:comunic/helpers/groups_helper.dart';
 import 'package:comunic/helpers/serialization/conversation_message_serialization_helper.dart';
 import 'package:comunic/helpers/serialization/conversations_serialization_helper.dart';
 import 'package:comunic/helpers/users_helper.dart';
@@ -238,6 +239,8 @@ class ConversationsHelper {
         color: map["color"] == null ? null : HexColor(map["color"]),
         logoURL: map["logo"],
         groupID: map["group_id"],
+        groupMinMembershipLevel:
+            APIGroupsMembershipLevelsMap[map["group_min_membership_level"]],
         members: map["members"]
             .cast<Map<String, dynamic>>()
             .map(apiToConversationMember)

lib/helpers/groups_helper.dart

@@ -6,6 +6,7 @@ import 'package:comunic/models/advanced_group_info.dart';
 import 'package:comunic/models/api_request.dart';
 import 'package:comunic/models/group.dart';
 import 'package:comunic/models/group_membership.dart';
+import 'package:comunic/models/new_group_conversation.dart';
 import 'package:comunic/utils/api_utils.dart';
 import 'package:comunic/utils/map_utils.dart';
 
@@ -13,7 +14,7 @@ import 'package:comunic/utils/map_utils.dart';
 ///
 /// @author Pierre HUBERT
 
-const _APIGroupsMembershipLevelsMap = {
+const APIGroupsMembershipLevelsMap = {
   "administrator": GroupMembershipLevel.ADMINISTRATOR,
   "moderator": GroupMembershipLevel.MODERATOR,
   "member": GroupMembershipLevel.MEMBER,
@@ -326,7 +327,22 @@ class GroupsHelper {
       await APIRequest.withLogin("groups/update_membership_level")
           .addInt("groupID", groupID)
           .addInt("userID", userID)
-          .addString("level", invertMap(_APIGroupsMembershipLevelsMap)[level])
+          .addString("level", invertMap(APIGroupsMembershipLevelsMap)[level])
+          .execWithThrow();
+
+  /// Create a new group conversation
+  ///
+  /// Throws in case of failure
+  static Future<void> createGroupConversation(
+          NewGroupConversation conv) async =>
+      await APIRequest.withLogin("groups/create_conversation")
+          .addInt("group_id", conv.groupID)
+          .addString(
+              "min_membership_level",
+              APIGroupsMembershipLevelsMap.entries
+                  .firstWhere((e) => e.value == conv.minMembershipLevel)
+                  .key)
+          .addString("name", conv.name)
           .execWithThrow();
 
   /// Turn an API entry into a group object
@@ -336,7 +352,7 @@ class GroupsHelper {
         name: map["name"],
         iconURL: map["icon_url"],
         numberMembers: map["number_members"],
-        membershipLevel: _APIGroupsMembershipLevelsMap[map["membership"]],
+        membershipLevel: APIGroupsMembershipLevelsMap[map["membership"]],
         visibilityLevel: _APIGroupsVisibilityLevelsMap[map["visibility"]],
         registrationLevel:
             _APIGroupsRegistrationLevelsMap[map["registration_level"]],
@@ -352,7 +368,7 @@ class GroupsHelper {
         name: map["name"],
         iconURL: map["icon_url"],
         numberMembers: map["number_members"],
-        membershipLevel: _APIGroupsMembershipLevelsMap[map["membership"]],
+        membershipLevel: APIGroupsMembershipLevelsMap[map["membership"]],
         visibilityLevel: _APIGroupsVisibilityLevelsMap[map["visibility"]],
         registrationLevel:
             _APIGroupsRegistrationLevelsMap[map["registration_level"]],
@@ -373,6 +389,6 @@ class GroupsHelper {
         userID: row["user_id"],
         groupID: row["group_id"],
         timeCreate: row["time_create"],
-        level: _APIGroupsMembershipLevelsMap[row["level"]],
+        level: APIGroupsMembershipLevelsMap[row["level"]],
       );
 }

lib/helpers/server_config_helper.dart

@@ -52,6 +52,8 @@ class ServerConfigurationHelper {
           minLikesLifetime: dataConservationPolicy["min_likes_lifetime"],
         ),
         conversationsPolicy: ConversationsPolicy(
+          maxConversationNameLen:
+              conversationsPolicy["max_conversation_name_len"],
           minMessageLen: conversationsPolicy["min_message_len"],
           maxMessageLen: conversationsPolicy["max_message_len"],
           allowedFilesType:

lib/models/advanced_group_info.dart

@@ -1,4 +1,5 @@
 import 'package:comunic/enums/likes_type.dart';
+import 'package:comunic/models/conversation.dart';
 import 'package:comunic/models/like_element.dart';
 import 'package:flutter/material.dart';
 
@@ -15,6 +16,7 @@ class AdvancedGroupInfo extends Group implements LikeElement {
   String url;
   int likes;
   bool userLike;
+  List<Conversation> conversations;
 
   AdvancedGroupInfo({
     @required int id,

lib/models/conversation.dart

@@ -4,6 +4,8 @@ import 'package:comunic/utils/account_utils.dart';
 import 'package:flutter/material.dart';
 import 'package:meta/meta.dart';
 
+import 'group.dart';
+
 /// Conversation model
 ///
 /// @author Pierre HUBERT
@@ -17,6 +19,7 @@ class Conversation extends SerializableElement<Conversation> {
   final Color color;
   final String logoURL;
   final int groupID;
+  final GroupMembershipLevel groupMinMembershipLevel;
   final List<ConversationMember> members;
   final bool canEveryoneAddMembers;
   final CallCapabilities callCapabilities;
@@ -29,6 +32,7 @@ class Conversation extends SerializableElement<Conversation> {
     @required this.color,
     @required this.logoURL,
     @required this.groupID,
+    @required this.groupMinMembershipLevel,
     @required this.members,
     @required this.canEveryoneAddMembers,
     this.callCapabilities = CallCapabilities.NONE,
@@ -37,6 +41,7 @@ class Conversation extends SerializableElement<Conversation> {
         assert(lastActivity != null),
         assert(members != null),
         assert(canEveryoneAddMembers != null),
+        assert((groupID == null) == (groupMinMembershipLevel == null)),
         assert(callCapabilities != null),
         assert(isHavingCall != null);
 
@@ -78,6 +83,9 @@ class Conversation extends SerializableElement<Conversation> {
         color = map["color"] == null ? null : Color(map["color"]),
         logoURL = map["logoURL"],
         groupID = map["groupID"],
+        groupMinMembershipLevel = GroupMembershipLevel.values.firstWhere(
+            (element) => element.toString() == map["groupMinMembershipLevel"],
+            orElse: () => null),
         lastActivity = map["lastActivity"],
         members = map["members"]
             .map((el) => ConversationMember.fromJSON(el))
@@ -96,6 +104,7 @@ class Conversation extends SerializableElement<Conversation> {
       "color": color?.value,
       "logoURL": logoURL,
       "groupID": groupID,
+      "groupMinMembershipLevel": groupMinMembershipLevel?.toString(),
       "lastActivity": lastActivity,
       "members": members.map((e) => e.toJson()).toList(),
       "canEveryoneAddMembers": canEveryoneAddMembers,

lib/models/new_group_conversation.dart

@@ -0,0 +1,21 @@
+import 'package:comunic/models/group.dart';
+import 'package:flutter/foundation.dart';
+
+/// This class contains information about a conversation linked to a group
+/// to create
+///
+/// @author Pierre Hubert
+
+class NewGroupConversation {
+  final int groupID;
+  final String name;
+  final GroupMembershipLevel minMembershipLevel;
+
+  const NewGroupConversation({
+    @required this.groupID,
+    @required this.name,
+    @required this.minMembershipLevel,
+  })  : assert(groupID != null),
+        assert(name != null),
+        assert(minMembershipLevel != null);
+}

lib/models/server_config.dart

@@ -58,6 +58,7 @@ class ServerDataConservationPolicy {
 }
 
 class ConversationsPolicy {
+  final int maxConversationNameLen;
   final int minMessageLen;
   final int maxMessageLen;
   final List<String> allowedFilesType;
@@ -72,6 +73,7 @@ class ConversationsPolicy {
   final int maxLogoHeight;
 
   const ConversationsPolicy({
+    @required this.maxConversationNameLen,
     @required this.minMessageLen,
     @required this.maxMessageLen,
     @required this.allowedFilesType,
@@ -84,7 +86,8 @@ class ConversationsPolicy {
     @required this.maxThumbnailHeight,
     @required this.maxLogoWidth,
     @required this.maxLogoHeight,
-  })  : assert(minMessageLen != null),
+  })  : assert(maxConversationNameLen != null),
+        assert(minMessageLen != null),
         assert(maxMessageLen != null),
         assert(allowedFilesType != null),
         assert(filesMaxSize != null),

lib/ui/screens/group_settings_screen.dart

@@ -1,8 +1,10 @@
 import 'dart:typed_data';
 
 import 'package:comunic/helpers/groups_helper.dart';
+import 'package:comunic/helpers/server_config_helper.dart';
 import 'package:comunic/models/advanced_group_info.dart';
 import 'package:comunic/models/group.dart';
+import 'package:comunic/models/new_group_conversation.dart';
 import 'package:comunic/ui/dialogs/input_user_password_dialog.dart';
 import 'package:comunic/ui/dialogs/multi_choices_dialog.dart';
 import 'package:comunic/ui/dialogs/virtual_directory_dialog.dart';
@@ -17,6 +19,7 @@ import 'package:comunic/ui/widgets/settings/text_settings_edit_tile.dart';
 import 'package:comunic/utils/files_utils.dart';
 import 'package:comunic/utils/input_utils.dart';
 import 'package:comunic/utils/intl_utils.dart';
+import 'package:comunic/utils/log_utils.dart';
 import 'package:comunic/utils/ui_utils.dart';
 import 'package:flutter/material.dart';
 import 'package:identicon/identicon.dart';
@@ -85,6 +88,7 @@ class _GroupSettingsScreenState extends SafeState<GroupSettingsScreen> {
         HeadSpacerSection(),
         _buildGeneralSection(),
         _buildAccessRestrictions(),
+        _buildConversationsArea(),
         _buildGroupLogoArea(),
         _buildDangerZone(),
       ],
@@ -256,6 +260,75 @@ class _GroupSettingsScreenState extends SafeState<GroupSettingsScreen> {
         ],
       );
 
+  List<MultiChoiceEntry<GroupMembershipLevel>>
+      get _conversationMinMembershipLevel => [
+            MultiChoiceEntry(
+              id: GroupMembershipLevel.ADMINISTRATOR,
+              title: tr("Administrators only"),
+              subtitle: tr(
+                  "Only the administrators of the group can access the conversation"),
+            ),
+            MultiChoiceEntry(
+              id: GroupMembershipLevel.MODERATOR,
+              title: tr("Moderators and administrators"),
+              subtitle: tr(
+                  "Only moderators and administrators of the group can access the conversation"),
+            ),
+            MultiChoiceEntry(
+              id: GroupMembershipLevel.MEMBER,
+              title: tr("All members"),
+              subtitle: tr(
+                  "All the members of the group can access the conversation"),
+            ),
+          ];
+
+  SettingsSection _buildConversationsArea() => SettingsSection(
+        title: tr("Group conversations"),
+        tiles: [
+          SettingsTile(
+            title: tr("Create a new conversation"),
+            onPressed: _createNewGroupConversation,
+          ),
+        ],
+      );
+
+  void _createNewGroupConversation(BuildContext context) async {
+    try {
+      final name = await askUserString(
+        context: context,
+        title: tr("New conversation name"),
+        message: tr("Please give a name to the new conversation"),
+        defaultValue: "",
+        hint: tr("Name"),
+        minLength: 1,
+        maxLength: ServerConfigurationHelper
+            .config.conversationsPolicy.maxConversationNameLen,
+      );
+
+      if (name == null) return;
+
+      final visibility = await showMultiChoicesDialog(
+        context: context,
+        choices: _conversationMinMembershipLevel,
+        defaultChoice: GroupMembershipLevel.MEMBER,
+        title: tr("Conversation visibility"),
+      );
+
+      if (visibility == null) return;
+
+      await GroupsHelper.createGroupConversation(NewGroupConversation(
+        groupID: _groupSettings.id,
+        name: name,
+        minMembershipLevel: visibility,
+      ));
+
+      _key.currentState.refresh();
+    } catch (e, s) {
+      logError(e, s);
+      snack(context, tr("Failed to create a conversation!"));
+    }
+  }
+
   Widget _buildGroupLogoArea() {
     return SettingsSection(
       title: tr("Group logo"),