public async Task <ActionResult <List <ChatMember> > > AddMemberToChat(string chatId, [FromBody] List <ChatMember> members)
{
try {
var appId = (await HttpContext.GetUserInfoAsync()).AppId;
var model = new ChatMembersVM()
{
ChatId = chatId, ChatMembers = members
};
var addedMembers = await _chatService.AddMembersToChat(appId, model);
return(addedMembers);
} catch {
}
return(NotFound());
}
public async Task <List <ChatMember> > AddMembersToChat(string appId, ChatMembersVM model)
{
var chat = await _chatRepository.GetAsync(appId, model.ChatId);
if (chat != null && chat.ChatType == ChatType.Group)
{
chat.ChatMembers = chat.ChatMembers != null ? chat.ChatMembers : new List <ChatMember> ();
var shouldBeAdded = model.ChatMembers
.Where(member => !chat.ChatMembers.Any(oldMember => oldMember.UserId == member.UserId))
.Select(member => new ChatMember()
{
UserId = member.UserId
}).ToList();
chat.ChatMembers.AddRange(shouldBeAdded);
await _chatRepository.UpdateAsync(chat.Id, chat);
return(shouldBeAdded);
}
return(null);
}