public async Task DeleteMessage(int msgId, int chatId)
{
string currentUserId = repository.ChatMessages.
FirstOrDefault(m => m.Id == msgId).UserId;
repository.DeleteChatMessage(msgId);
Chat chat = repository.Chats.FirstOrDefault(c => c.ChatId == chatId);
//if lastMsg not exists
if (chat.Messages == null)
{
//Remove this chat from Index-Chat and Header-chat
}
else
{
//retrun new lastMsg
ChatMessage lastMsg = chat.Messages.LastOrDefault();
string senderId = lastMsg.UserId;
AppUser sender = userManager.Users
.FirstOrDefault(u => u.Id == senderId);
string senderPhoto = (sender.ProfilePhotoUrl != null) ?
$"/UsersData/{sender.ProfilePhotoUrl}" : "/defaultAvatar.png";
string senderName = (sender.FirstName == null && sender.LastName == null) ?
sender.UserName : $"{sender.FirstName} {sender.LastName}";
string recipientId = (chat.User1Id == senderId) ? chat.User2Id :
chat.User1Id;
AppUser recipient = userManager.Users
.FirstOrDefault(u => u.Id == recipientId);
string recipientPhoto = (recipient.ProfilePhotoUrl != null) ?
$"/UsersData/{recipient.ProfilePhotoUrl}" : "/defaultAvatar.png";
string recipientName = (recipient.FirstName == null && recipient.LastName == null) ?
recipient.UserName : $"{recipient.FirstName} {recipient.LastName}";
string date = MsgSentDate(lastMsg.DateAdded);
await Clients.All.SendAsync("ChatIndexNewLastMsg", senderId, recipientId,
chat.ChatId, senderName, date, lastMsg.MessageContent,
chat.Messages.Where(m => m.Seen == false).Count(), senderPhoto);
await Clients.All.SendAsync("UserHeaderNewLastMsg", senderId, recipientId,
chat.ChatId, senderName, date, lastMsg.MessageContent,
chat.Messages.Where(m => m.Seen == false).Count(), senderPhoto,
recipientPhoto, recipientName);
}
//delete msg from chat view
await Clients.All.SendAsync("DeleteMsgChat", msgId, chatId);
}
