public void RemoveUserFromGroupChat(int chatId, string userId)
{
GroupChatUsers dbEntry = context.GroupChatUsers
.FirstOrDefault(cu => cu.GroupChatId == chatId && cu.UserId == userId);
if (dbEntry != null)
{
foreach (GroupChatMessage msg in context.GroupChatMessages.Where(m => m.GroupChatId == chatId))
{
if (msg.UserId == dbEntry.UserId)
{
//delete message views
foreach (GroupMessageView view in context.GroupMessageViews.Where(v => v.MessageId == msg.MessageId))
{
context.GroupMessageViews.Remove(view);
}
context.GroupChatMessages.Remove(msg);
}
else
{
GroupMessageView view = context.GroupMessageViews.FirstOrDefault(v => v.MessageId == msg.MessageId &&
v.UserId == dbEntry.UserId);
if (view != null)
{
context.GroupMessageViews.Remove(view);
}
}
}
context.GroupChatUsers.Remove(dbEntry);
context.SaveChanges();
}
}
public void AddUserToGroupChat(int chatId, string userId)
{
GroupChatUsers dbEntry = new GroupChatUsers
{
GroupChatId = chatId,
UserId = userId
};
dbEntry.CreatedAt = DateTime.Now;
dbEntry.UpdatedAt = DateTime.Now;
context.GroupChatUsers.Add(dbEntry);
context.SaveChanges();
}
public void GroupAddUserToChat(int chatId, int groupId)
{
foreach (GroupUsers gUser in context.GroupUsers.Where(g => g.GroupId == groupId))
{
GroupChatUsers dbEntry = new GroupChatUsers
{
GroupChatId = chatId,
UserId = gUser.AppUserId
};
dbEntry.CreatedAt = DateTime.Now;
dbEntry.UpdatedAt = DateTime.Now;
context.GroupChatUsers.Add(dbEntry);
}
context.SaveChanges();
}
