public async Task <ChatModel> GetChatAsync(string chatName)
{
ChatWithNestedObjects chatWithNestedObjects = await _chatRepository.GetByNameAsync(chatName);
ChatModel chatModel = new ChatModel(chatWithNestedObjects);
return(chatModel);
}
public async Task <ChatWithNestedObjects> GetByNameAsync(string userName)
{
IQueryable <ChatWithNestedObjects> chatsWithNestedObjects = _dbSet.Include(item => item.Message).GroupJoin(_context.Messages.Include(message => message.ApplicationUser),
outerKeySelector => outerKeySelector.Id,
innerKeySelector => innerKeySelector.ChatId,
(chat, message) => new ChatWithNestedObjects
{
Chat = chat,
Messages = message.ToList()
});
ChatWithNestedObjects chatWithNestedObjects = await chatsWithNestedObjects.FirstOrDefaultAsync(item => item.Chat.Name == userName);
return(chatWithNestedObjects);
}
public async Task <string> GetChatNameAsync(string userName)
{
ChatWithNestedObjects chatWithNestedObjects = await _chatRepository.GetByNameAsync(userName);
if (chatWithNestedObjects is null)
{
Chat chat = new Chat {
Name = userName
};
await _chatRepository.CreateAsync(chat);
return(chat.Name);
}
return(chatWithNestedObjects.Chat.Name);
}
internal ChatModel(ChatWithNestedObjects item) : this(item.Chat)
{
MessageModels = item.Messages.Select(message => new MessageModel(message)).ToList();
}
