/// <summary>
/// Get all active chats for user.
/// </summary>
/// <param name="user"></param>
/// <returns></returns>
public async Task <ChatResponse> GetActiveChats(ApplicationUser user)
{
var chats = new List <Chat>();
var userChats = await _repository.GetActiveChatsByUserId(user.Id);
foreach (var userChat in userChats)
{
var chat = await _repository.FindChatById(userChat.ChatId);
if (chat == null)
{
return(ChatResponse.Unsuccessful("Error finding chat."));
}
chat.Name = await SetChatName(chat, user);
chats.Add(chat);
}
chats = chats
.OrderByDescending(x => x.LastActivityAt)
.ToList();
return(ChatResponse.Successfull(chats));
}
/// <summary>
/// Join user to chat that
/// already exists.
/// </summary>
/// <param name="chatId"></param>
/// <param name="userId"></param>
/// <returns></returns>
public async Task <ChatResponse> JoinUserToChat(string chatId, string userId)
{
var realChatId = Guid.Parse(chatId);
var userChat = new ApplicationUserChat
{
ChatId = realChatId,
UserId = userId
};
var alreadyJoined = _repository.CheckUserChatExistance(userChat);
if (alreadyJoined)
{
return(ChatResponse.Successfull());
}
var success = await _repository.SaveUserChat(userChat);
if (!success)
{
return(ChatResponse.Unsuccessful("Error saving userchat relation."));
}
return(ChatResponse.Successfull());
}
/// <summary>
/// Find chat by chatId.
/// </summary>
/// <param name="chatId"></param>
/// <returns></returns>
public async Task <ChatResponse> FindChatByChatId(Guid chatId)
{
var chat = await _db.Chats
.Include(x => x.Messages).ThenInclude(x => x.ApplicationUser)
.Include(x => x.ApplicationUserChats)
.FirstOrDefaultAsync(x => x.ChatId == chatId);
if (chat == null)
{
return(ChatResponse.Unsuccessful("Chat not found."));
}
return(ChatResponse.Successfull(chat));
}
/// <summary>
/// Process new chat.
/// </summary>
/// <param name="data"></param>
/// <returns></returns>
public async Task <ChatResponse> ProcessNewChat(NewChatDto data)
{
var users = await GetChatUsers(data.Users, data.AdminId);
data.ApplicationUsers = users;
var chat = _mapper.Map <Chat>(data);
chat.ApplicationUserChats = SetChatUsers(chat, users);
var success = await _repository.SaveChat(chat);
if (!success)
{
return(ChatResponse.Unsuccessful("Error saving chat."));
}
return(ChatResponse.Successfull(chat));
}
/// <summary>
/// Remove user from
/// related chat.
/// </summary>
/// <param name="chatId"></param>
/// <param name="userId"></param>
/// <returns></returns>
public async Task <ChatResponse> RemoveUserFromChat(string chatId, string userId)
{
var realChatId = Guid.Parse(chatId);
var userChat = new ApplicationUserChat
{
ChatId = realChatId,
UserId = userId
};
var success = await _repository.DeleteUserChat(userChat);
if (!success)
{
return(ChatResponse.Unsuccessful("Error removing userchat relation."));
}
return(ChatResponse.Successfull());
}
/// <summary>
/// Get archived chats
/// for logged user.
/// </summary>
/// <param name="userId"></param>
/// <returns></returns>
public async Task <ChatResponse> GetArchivedChats(string userId)
{
var chats = new List <Chat>();
var userChats = await _repository.GetArchivedChatsByUserId(userId);
foreach (var userChat in userChats)
{
var chat = await _repository.FindChatById(userChat.ChatId);
if (chat == null)
{
return(ChatResponse.Unsuccessful("Error finding chat."));
}
chats.Add(chat);
}
return(ChatResponse.Successfull(chats));
}
/// <summary>
/// Update last activity
/// for chat after new
/// received message.
/// </summary>
/// <param name="chatId"></param>
/// <returns></returns>
public async Task <ChatResponse> RefreshChatActivity(Guid chatId)
{
var chat = await _repository.FindChatById(chatId);
if (chat == null)
{
return(ChatResponse.Unsuccessful("Chat not found."));
}
chat.LastActivityAt = DateTime.Now;
var success = await _repository.UpdateChat(chat);
if (!success)
{
return(ChatResponse.Unsuccessful("Error updating chat."));
}
return(ChatResponse.Successfull());
}
/// <summary>
/// Archive chat for user.
/// </summary>
/// <param name="userId"></param>
/// <param name="chatId"></param>
/// <returns></returns>
public async Task <ChatResponse> ArchiveChat(string userId, string chatId)
{
var realChatId = Guid.Parse(chatId);
var relation = await _repository.FindChatUserRelation(userId, realChatId);
if (relation == null)
{
return(ChatResponse.Unsuccessful("Chat not found"));
}
relation.Archived = true;
var success = await _repository.UpdateUserChat(relation);
if (!success)
{
return(ChatResponse.Unsuccessful("Error updating user chat relation."));
}
return(ChatResponse.Successfull());
}
/// <summary>
/// Get chat by
/// sent chatId.
/// </summary>
/// <param name="chatId"></param>
/// <param name="loggedUser"></param>
/// <returns></returns>
public async Task <ChatResponse> GetChat(Guid chatId, ApplicationUser loggedUser)
{
var response = await _repository.FindChatByChatId(chatId);
if (!response.Success)
{
return(ChatResponse.Unsuccessful(response.ErrorMessage));
}
response.Chat.Name = await SetChatName(response.Chat, loggedUser);
var chatDetails = _mapper.Map <ChatDetailsDto>(response.Chat);
var chatUsers = _repository.GetChatUsers(response.Chat.ApplicationUserChats);
chatUsers.Remove(loggedUser);
var users = _mapper.Map <List <UserDetailsDto> >(chatUsers);
chatDetails.Users = users;
return(ChatResponse.Successfull(chatDetails));
}