public async Task <ChatMessageModel> CreateMessage(string userId, ChatMessageModel model)
{
var members = _chatChannelMemberRepository.GetAll()
.Where(_ => _.ChannelId == model.ChannelId);
if (!await members.AnyAsync(_ => _.UserId == userId))
{
throw new NotFoundException("Channel not found or user doesn't have access.");
}
var user = await _userService.GetUserAsync(userId);
model.Username = user.Username;
model.CreatedBy = user.Id;
model.CreateDate = DateTime.UtcNow;
var message = _mapper.Map <ChatMessage>(model);
await _chatMessageRepository.AddAsync(message);
var createdMessage = _mapper.Map <ChatMessageModel>(message);
var otherMembers = await members.Where(_ => _.UserId != userId)
.Select(_ => _.UserId).ToListAsync();
foreach (var member in otherMembers)
{
await _notificationService.CreateNotification(new NotificationModel
{
Subject = $"New message from {user.Username}",
Description = $"{createdMessage.Message}",
CreatedBy = user.Id,
AssignedToUserId = member,
CreatedDate = DateTime.UtcNow,
IsRead = false
});
}
_pushService.PushChatMessage(otherMembers, createdMessage);
return(createdMessage);
}