public async Task AddRelationAsync(Guid userId, Guid friendId)
{
if (userId == Guid.Empty)
{
throw new ArgumentNullException(nameof(userId));
}
if (friendId == Guid.Empty)
{
throw new ArgumentNullException(nameof(friendId));
}
if (_appDbContext.Relations.Any(
s => s.UserId == userId && s.FriendId == friendId ||
s.UserId == friendId && s.FriendId == userId))
{
return;
}
await _appDbContext.Relations.AddAsync(new Relation
{
UserId = userId,
FriendId = friendId,
SinceWhen = DateTime.Now
});
await _appDbContext.SaveAsync();
}
public async Task AddMessageAsync(Message message)
{
if (message == null)
{
throw new ArgumentNullException(nameof(message));
}
if (message.FromWho == Guid.Empty)
{
throw new ArgumentNullException(nameof(message.FromWho));
}
var conversation = _appDbContext.Conversations.FirstOrDefault(x => x.FirstUser == message.ToWho && x.SecondUser == message.FromWho ||
x.FirstUser == message.FromWho && x.SecondUser == message.ToWho);
if (conversation == null)
{
conversation = new Conversation
{
FirstUser = message.ToWho,
SecondUser = message.FromWho
};
_appDbContext.Conversations.Add(conversation);
}
message.ConversationId = conversation.Id;
await _appDbContext.Messages.AddAsync(message);
await _appDbContext.SaveAsync();
}
public async Task AddNotificationAsync(Notification notification)
{
if (notification == null)
{
throw new ArgumentNullException(nameof(notification));
}
if (notification.FromWho == Guid.Empty)
{
throw new ArgumentNullException(nameof(notification.FromWho));
}
await _appDbContext.Notifications.AddAsync(notification);
await _appDbContext.SaveAsync();
}
public async Task AddProfilePicture(Guid userId, string imagePath)
{
if (userId == Guid.Empty || imagePath == null)
{
throw new ArgumentNullException();
}
User user = await _appDbContext.Users
.SingleOrDefaultAsync(x => x.Id == userId);
if (user == null)
{
throw new ArgumentNullException();
}
user.ProfileImagePath = imagePath;
await _appDbContext.SaveAsync();
}
public async Task AddPostAsync(Post post)
{
if (post == null)
{
throw new ArgumentNullException(nameof(post));
}
if (post.UserId == Guid.Empty)
{
throw new ArgumentNullException(nameof(post.UserId));
}
await _appDbContext.Posts.AddAsync(post);
await _appDbContext.SaveAsync();
}