public async Task <AppUserDto> AddUserToChat(int chatId, string userId)
{
var defaultError = new InvalidDataException("Invalid credentials were provided.");
var FoundConversation = await conversationRepository.GetByIdAsync(chatId);
if (FoundConversation == null)
{
throw defaultError;
}
var FoundUser = await usersRepository.GetByIdAsync(userId);
if (FoundUser == null)
{
throw defaultError;
}
if (await usersConversationsRepository.Exists(FoundUser.Id, FoundConversation.Id))
{
throw new InvalidDataException("User already exists in converation.");
}
var addedUser = (await usersConversationsRepository.AddAsync(UsersConversationDataModel.Create(userId, chatId))).User;
await rolesRepository.AddAsync(ChatRoleDataModel.Create(chatId, userId, ChatRole.NoRole));
await unitOfWork.Commit();
return(addedUser.ToAppUserDto());
}
public static ChatRoleDto ToChatRole(this ChatRoleDataModel value)
{
return(new ChatRoleDto
{
ChatId = value.ChatId,
Role = value.RoleId
});
}
private async Task <Shared.DTO.Conversations.Chat> CreateGroup(
AppUser creator,
string chatImageUrl,
string chatName,
bool isPublic)
{
if (chatName.Length > MaxNameLength)
{
throw new InvalidDataException("Chat name was too long.");
}
try
{
var imageUrl = chatImageUrl ?? chatDataProvider.GetGroupPictureUrl();
var newChat = new ConversationDataModel
{
IsGroup = true,
Name = chatName,
FullImageUrl = imageUrl,
ThumbnailUrl = imageUrl,
IsPublic = isPublic
};
await conversationRepository.AddAsync(newChat);
await usersConversationsRepository.AddAsync(UsersConversationDataModel.Create(
creator.Id,
newChat));
var role = await rolesRepository.AddAsync(
ChatRoleDataModel.Create(newChat, creator.Id, ChatRole.Creator));
newChat.Roles = new List <ChatRoleDataModel>()
{
role
};
newChat.participants = new List <AppUser> {
creator
};
await unitOfWork.Commit();
return(newChat.ToChatDto(creator.Id));
}
catch (Exception e)
{
throw new InvalidDataException("Couldn't create group because of unexpected error.", e);
}
}