//创建群聊
public void AddChat(ServerChat chat)
{
//创建聊天
DatabaseGroupChat newChat = new DatabaseGroupChat()
{
ChatName = chat.ChatName,
ChatNumber = chat.ChatNumber
};
//创建聊天用户列表，更新用户聊天列表
foreach (string userName in chat.ChatUserNames)
{
DatabaseGroupChatUser newChatUser = new DatabaseGroupChatUser()
{
UserName = userName
};
newChat.DatabaseGroupChatUser.Add(newChatUser);
var currentUser = (from u in dataContext.DatabaseUser
where u.UserName == userName
select u).Single();
DatabaseUserChat newUserChat = new DatabaseUserChat()
{
Number = chat.ChatNumber
};
currentUser.DatabaseUserChat.Add(newUserChat);
}
dataContext.DatabaseGroupChat.InsertOnSubmit(newChat);
dataContext.SubmitChanges();
}
//将用户添加到群聊
public void AddChatUser(int chatNumber, string userName)
{
//将用户添加到聊天用户列表
var selectedChat = (from c in dataContext.DatabaseGroupChat
where c.ChatNumber == chatNumber
select c).Single();
DatabaseGroupChatUser newChatUser = new DatabaseGroupChatUser()
{
UserName = userName
};
selectedChat.DatabaseGroupChatUser.Add(newChatUser);
//将群聊添加到用户群聊列表
var selectedUser = (from u in dataContext.DatabaseUser
where u.UserName == userName
select u).Single();
DatabaseUserChat newUserChat = new DatabaseUserChat()
{
Number = chatNumber
};
selectedUser.DatabaseUserChat.Add(newUserChat);
dataContext.SubmitChanges();
}
