mirror of
https://gitlab.com/comunic/comunicmobile
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519 lines
18 KiB
Dart
519 lines
18 KiB
Dart
import 'package:comunic/helpers/groups_helper.dart';
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import 'package:comunic/helpers/serialization/conversation_message_serialization_helper.dart';
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import 'package:comunic/helpers/serialization/conversations_serialization_helper.dart';
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import 'package:comunic/helpers/users_helper.dart';
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import 'package:comunic/helpers/websocket_helper.dart';
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import 'package:comunic/lists/conversation_messages_list.dart';
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import 'package:comunic/lists/conversations_list.dart';
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import 'package:comunic/lists/unread_conversations_list.dart';
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import 'package:comunic/lists/users_list.dart';
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import 'package:comunic/models/api_request.dart';
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import 'package:comunic/models/api_response.dart';
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import 'package:comunic/models/conversation.dart';
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import 'package:comunic/models/conversation_member.dart';
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import 'package:comunic/models/conversation_message.dart';
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import 'package:comunic/models/displayed_content.dart';
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import 'package:comunic/models/new_conversation.dart';
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import 'package:comunic/models/new_conversation_message.dart';
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import 'package:comunic/models/new_conversation_settings.dart';
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import 'package:comunic/models/unread_conversation.dart';
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import 'package:comunic/utils/account_utils.dart';
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import 'package:comunic/utils/color_utils.dart';
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import 'package:comunic/utils/dart_color.dart';
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import 'package:dio/dio.dart';
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/// Conversation helper
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///
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/// @author Pierre HUBERT
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enum SendMessageResult { SUCCESS, MESSAGE_REJECTED, FAILED }
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class ConversationsHelper {
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static final _registeredConversations = Map<int, int>();
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/// Create a new conversation
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///
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/// Return the ID of the newly created conversation
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///
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/// Throws in case of failure
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static Future<int> createConversation(NewConversation settings) async {
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final response = await APIRequest.withLogin("conversations/create", args: {
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"name": settings.name,
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"follow": settings.follow ? "true" : "false",
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"users": settings.members.join(","),
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"color": colorToHex(settings.color)
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})
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.addBool("canEveryoneAddMembers", settings.canEveryoneAddMembers)
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.execWithThrow();
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return response.getObject()["conversationID"];
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}
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/// Add a member to a conversation.
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///
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/// Throws in case of failure
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static Future<void> addMember(int? convID, int? userID) async =>
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await APIRequest.withLogin("conversations/addMember")
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.addInt("convID", convID)
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.addInt("userID", userID)
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.execWithThrow();
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/// Remove a member from a conversation.
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///
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/// Throws in case of failure
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static Future<void> removeMember(int? convID, int? userID) async =>
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await APIRequest.withLogin("conversations/removeMember")
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.addInt("convID", convID)
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.addInt("userID", userID)
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.execWithThrow();
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/// Update admin status of a user in a conversation
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///
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/// Throws in case of failure
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static Future<void> setAdmin(int convID, int userID, bool admin) async =>
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await APIRequest.withLogin("conversations/setAdmin")
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.addInt("convID", convID)
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.addInt("userID", userID)
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.addBool("setAdmin", admin)
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.execWithThrow();
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/// Update an existing conversation
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///
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/// Throws in case of failure
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static Future<void> updateConversation(
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NewConversationsSettings settings) async {
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final request = APIRequest.withLogin("conversations/updateSettings")
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.addInt("conversationID", settings.convID)
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.addBool("following", settings.following);
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// Update conversation settings
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if (settings.isComplete)
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request
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.addString("name", settings.name)
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.addBool("canEveryoneAddMembers", settings.canEveryoneAddMembers!)
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.addString("color", colorToHex(settings.color));
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await request.execWithThrow();
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// Delete old conversation entry from the database
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await ConversationsSerializationHelper()
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.removeElement((t) => t.id == settings.convID);
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}
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/// Set a new conversation logo
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///
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/// Throws in case of failure
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static Future<void> changeImage(int? convID, BytesFile file) async =>
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await APIRequest.withLogin("conversations/change_image")
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.addInt("convID", convID)
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.addBytesFile("file", file)
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.execWithFilesAndThrow();
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/// Remove conversation logo
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///
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/// Throws in case of failure
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static Future<void> removeLogo(int? convID) async =>
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await APIRequest.withLogin("conversations/delete_image")
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.addInt("convID", convID)
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.execWithThrow();
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/// Delete a conversation specified by its [id]
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Future<void> deleteConversation(int? id) async =>
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await APIRequest.withLogin("conversations/delete")
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.addInt("conversationID", id)
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.execWithThrow();
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/// Download the list of conversations from the server
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///
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/// Throws an exception in case of failure
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Future<ConversationsList> downloadList() async {
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final response =
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await APIRequest.withLogin("conversations/getList").execWithThrow();
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ConversationsList list = ConversationsList();
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response.getArray()!.forEach((f) => list.add(apiToConversation(f)));
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// Update the database
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await ConversationsSerializationHelper().setList(list);
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return list;
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}
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/// Get the local list of conversations
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Future<ConversationsList> getCachedList() async {
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final list = await ConversationsSerializationHelper().getList();
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list.sort();
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return list;
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}
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/// Get information about a single conversation specified by its [id]
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Future<Conversation> _downloadSingle(int? id) async {
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final response = await APIRequest(
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uri: "conversations/get_single",
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needLogin: true,
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args: {"conversationID": id.toString()}).execWithThrow();
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final conversation = apiToConversation(response.getObject());
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await ConversationsSerializationHelper()
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.insertOrReplaceElement((c) => c.id == conversation.id, conversation);
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return conversation;
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}
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/// Get information about a conversation. If [force] is set to false, a
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/// cached version of the conversation will be used, else it will always get
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/// the information from the server. The method throws an [Exception] in
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/// case of failure
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///
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/// Return value of this method is never null.
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Future<Conversation> getSingle(int? id, {bool force = false}) async {
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if (force ||
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!await ConversationsSerializationHelper().any((c) => c.id == id))
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return await _downloadSingle(id);
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else
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return await ConversationsSerializationHelper().get(id);
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}
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/// Get the name of a [conversation]. This requires information
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/// about the users of this conversation
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static String getConversationName(
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Conversation conversation, UsersList? users) {
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if (conversation.hasName) return conversation.name!;
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String name = "";
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int count = 0;
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for (int i = 0; i < 3 && i < conversation.members!.length; i++)
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if (conversation.members![i].userID != userID()) {
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name += (count > 0 ? ", " : "") +
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users!.getUser(conversation.members![i].userID).fullName;
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count++;
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}
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if (conversation.members!.length > 3) name += ", ...";
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return name;
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}
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/// Search and return a private conversation with a given [userID]. If such
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/// conversation does not exists, it is created if [allowCreate] is set to
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/// true
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///
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/// Throws an exception in case of failure
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Future<int> getPrivate(int? userID, {bool allowCreate = true}) async {
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final response = await APIRequest(
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uri: "conversations/getPrivate",
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needLogin: true,
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args: {
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"otherUser": userID.toString(),
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"allowCreate": allowCreate.toString()
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},
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).execWithThrow();
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// Get and return conversation ID
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return int.parse(response.getObject()["conversationsID"][0].toString());
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}
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/// Asynchronously get the name of the conversation
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///
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/// Unlike the synchronous method, this method does not need information
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/// about the members of the conversation
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///
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/// Throws an exception in case of failure
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static Future<String> getConversationNameAsync(
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Conversation conversation) async {
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if (conversation.hasName) return conversation.name!;
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//Get information about the members of the conversation
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final members = await UsersHelper().getList(conversation.membersID);
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return ConversationsHelper.getConversationName(conversation, members);
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}
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/// Turn an API entry into a [Conversation] object
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static Conversation apiToConversation(Map<String, dynamic> map) {
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return Conversation(
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id: map["id"],
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lastActivity: map["last_activity"],
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name: map["name"],
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color: map["color"] == null ? null : HexColor(map["color"]),
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logoURL: map["logo"],
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groupID: map["group_id"],
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groupMinMembershipLevel:
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APIGroupsMembershipLevelsMap[map["group_min_membership_level"]],
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members: map["members"]
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.cast<Map<String, dynamic>>()
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.map(apiToConversationMember)
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.toList()
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.cast<ConversationMember>(),
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canEveryoneAddMembers: map["can_everyone_add_members"],
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callCapabilities: map["can_have_video_call"]
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? CallCapabilities.VIDEO
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: (map["can_have_call"]
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? CallCapabilities.AUDIO
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: CallCapabilities.NONE),
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isHavingCall: map["has_call_now"]);
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}
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static ConversationMember apiToConversationMember(Map<String, dynamic> map) =>
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ConversationMember(
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userID: map["user_id"],
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lastMessageSeen: map["last_message_seen"],
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lastAccessTime: map["last_access"],
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following: map["following"],
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isAdmin: map["is_admin"],
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);
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/// Parse a list of messages given by the server
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///
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/// Throws an exception in case of failure
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Future<ConversationMessagesList> _parseConversationMessageFromServer(
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int conversationID, APIResponse response) async {
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response.assertOk();
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// Parse the response of the server
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ConversationMessagesList list = ConversationMessagesList();
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response.getArray()!.forEach((f) {
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list.add(
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apiToConversationMessage(f),
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);
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});
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// Save messages in the cache
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await ConversationsMessagesSerializationHelper(conversationID)
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.insertOrReplaceAll(list);
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return list;
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}
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/// Refresh the list of messages of a conversation
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///
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/// Set [lastMessageID] to 0 to specify that we do not have any message of the
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/// conversation yet or another value else
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///
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/// Throws an exception in case of failure
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Future<ConversationMessagesList> _downloadNewMessagesSingle(
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int conversationID,
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{int? lastMessageID = 0}) async {
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// Execute the request on the server
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final response = await APIRequest(
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uri: "conversations/refresh_single",
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needLogin: true,
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args: {
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"conversationID": conversationID.toString(),
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"last_message_id": lastMessageID.toString()
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}).execWithThrow();
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return await _parseConversationMessageFromServer(conversationID, response);
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}
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/// Get older messages for a given conversation from an online source
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///
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/// Throws in case of failure
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Future<ConversationMessagesList> getOlderMessages({
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required int conversationID,
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required int? oldestMessagesID,
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int limit = 15,
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}) async {
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// Perform the request online
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final response =
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await APIRequest.withLogin("conversations/get_older_messages", args: {
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"conversationID": conversationID.toString(),
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"oldest_message_id": oldestMessagesID.toString(),
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"limit": limit.toString()
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}).execWithThrow();
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return await _parseConversationMessageFromServer(conversationID, response);
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}
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/// Get new messages for a given conversation
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///
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/// If [lastMessageID] is set to 0 then we retrieve the last messages of
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/// the conversation.
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/// Otherwise [lastMessageID] contains the ID of the last known message
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///
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/// Throws in case of failure
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Future<ConversationMessagesList> getNewMessages(
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{required int conversationID,
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int? lastMessageID = 0,
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bool online = true}) async {
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if (online)
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return await _downloadNewMessagesSingle(conversationID,
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lastMessageID: lastMessageID);
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else
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return await ConversationsMessagesSerializationHelper(conversationID)
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.getList();
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}
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/// Send a new message to the server
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Future<SendMessageResult> sendMessage(
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NewConversationMessage message, {
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ProgressCallback? sendProgress,
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CancelToken? cancelToken,
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}) async {
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final request = APIRequest.withLogin("conversations/sendMessage")
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.addInt("conversationID", message.conversationID)
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.addString("message", message.hasMessage ? message.message : "");
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request.progressCallback = sendProgress;
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request.cancelToken = cancelToken;
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// Check for file
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if (message.hasFile) request.addBytesFile("file", message.file);
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if (message.hasThumbnail)
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request.addBytesFile("thumbnail", message.thumbnail);
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//Send the message
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APIResponse response;
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if (!message.hasFile)
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response = await request.exec();
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else
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response = await request.execWithFiles();
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if (response.code == 401)
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return SendMessageResult.MESSAGE_REJECTED;
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else if (response.code != 200) return SendMessageResult.FAILED;
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return SendMessageResult.SUCCESS;
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}
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/// Save / Update a message into the database
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Future<void> saveMessage(ConversationMessage msg) async =>
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await ConversationsMessagesSerializationHelper(msg.convID)
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.insertOrReplace(msg);
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/// Remove a message from the database
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Future<void> removeMessage(ConversationMessage msg) async =>
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await ConversationsMessagesSerializationHelper(msg.convID).remove(msg);
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/// Update a message content
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Future<bool> updateMessage(int? id, String newContent) async {
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final response = await APIRequest(
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uri: "conversations/updateMessage",
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needLogin: true,
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args: {"messageID": id.toString(), "content": newContent}).exec();
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if (response.code != 200) return false;
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return true;
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}
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/// Delete permanently a message specified by its [id]
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Future<bool> deleteMessage(int? id) async {
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// Delete the message online
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final response = await APIRequest(
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uri: "conversations/deleteMessage",
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needLogin: true,
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args: {"messageID": id.toString()}).exec();
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if (response.code != 200) return false;
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return true;
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}
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/// Get the list of unread conversations
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///
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/// Throws in case of failure
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static Future<UnreadConversationsList> getListUnread() async {
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final list = (await APIRequest.withLogin("conversations/get_list_unread")
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.execWithThrow())
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.getArray()!;
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return UnreadConversationsList()
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..addAll(list.map((f) => UnreadConversation(
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conv: apiToConversation(f["conv"]),
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message: apiToConversationMessage(f["message"]),
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)));
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}
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/// Register a conversation : ask the server to notify about updates to the
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/// conversation through WebSocket
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Future<void> registerConversationEvents(int id) async {
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if (_registeredConversations.containsKey(id))
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_registeredConversations.update(id, (value) => value + 1);
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else {
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_registeredConversations[id] = 1;
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await ws("\$main/register_conv", {"convID": id});
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}
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}
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/// Un-register to conversation update events
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Future<void> unregisterConversationEvents(int id) async {
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if (!_registeredConversations.containsKey(id)) return;
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_registeredConversations.update(id, (value) => value - 1);
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if (_registeredConversations[id]! <= 0) {
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_registeredConversations.remove(id);
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await ws("\$main/unregister_conv", {"convID": id});
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}
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}
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/// Send a notification to inform that the user is writing a message
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static Future<void> sendWritingEvent(int? convID) async =>
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await ws("conversations/is_writing", {"convID": convID});
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/// Turn an API response into a ConversationMessage object
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static ConversationMessage apiToConversationMessage(
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Map<String, dynamic> map,
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) {
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var file;
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if (map["file"] != null) {
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final fileMap = map["file"];
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file = ConversationMessageFile(
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url: fileMap["url"],
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size: fileMap["size"],
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name: fileMap["name"],
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thumbnail: fileMap["thumbnail"],
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type: fileMap["type"],
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);
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}
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var serverMessage;
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if (map["server_message"] != null) {
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final srvMessageMap = map["server_message"];
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var messageType;
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switch (srvMessageMap["type"]) {
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case "user_created_conv":
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messageType = ConversationServerMessageType.USER_CREATED_CONVERSATION;
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break;
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case "user_added_another":
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messageType = ConversationServerMessageType.USER_ADDED_ANOTHER_USER;
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break;
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case "user_left":
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messageType = ConversationServerMessageType.USER_LEFT_CONV;
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break;
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case "user_removed_another":
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messageType = ConversationServerMessageType.USER_REMOVED_ANOTHER_USER;
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break;
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default:
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throw Exception(
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"${srvMessageMap["type"]} is an unknown server message type!");
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}
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serverMessage = ConversationServerMessage(
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type: messageType,
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userID: srvMessageMap["user_id"],
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userWhoAdded: srvMessageMap["user_who_added"],
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userAdded: srvMessageMap["user_added"],
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userWhoRemoved: srvMessageMap["user_who_removed"],
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userRemoved: srvMessageMap["user_removed"],
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);
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}
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return ConversationMessage(
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id: map["id"],
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convID: map["conv_id"],
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userID: map["user_id"],
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timeSent: map["time_sent"],
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message: DisplayedString(map["message"] ?? ""),
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file: file,
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serverMessage: serverMessage);
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}
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}
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