public async Task <IActionResult> InviteFriend(FriendInviteDTO model)
{
try
{
await _friendService.InviteFriendAsync(model);
return(Ok("Friend invite was sended"));
}
catch (NoPermissionException e)
{
return(BadRequest(new { e.Message }));
}
catch (UnauthorizedAccessException)
{
return(Unauthorized());
}
catch (SqlNullValueException e)
{
return(NotFound(new { e.Message }));
}
catch (AlreadyExistsException e)
{
return(BadRequest(new { e.Message }));
}
catch (Exception e)
{
return(BadRequest(new { e.Message }));
}
}
public static Invite FriendInviteDTOToInvite(this FriendInviteDTO model, User friendToInvite, long ownerId, User ownerUser)
{
return(new Invite
{
Approved = false,
FriendId = model.FriendId,
CreatedBy = ownerId,
UserId = friendToInvite.Id,
OwnerId = ownerId,
OwnerUser = ownerUser
});
}
public async Task InviteFriendAsync(FriendInviteDTO model)
{
var idClaim = _httpContextAccessor.HttpContext.User.FindFirst(ClaimTypes.NameIdentifier).Value;
if (!long.TryParse(idClaim, out var ownerId))
{
throw new UnauthorizedAccessException();
}
var ownerUser = await _userRepository.GetByIdAsync(ownerId);
var isThisUser =
await _userRepository.ExistsAsync(user =>
user.Id == ownerId && (user.Email == model.FriendEmail || user.Username == model.FriendEmail));
if (isThisUser)
{
throw new ArgumentException("You can't invite yourself");
}
var isOwnerFriend = await _friendRepository.ExistsAsync(friend =>
friend.Id == model.FriendId && friend.Owner.Id == ownerId);
if (!isOwnerFriend)
{
throw new NoPermissionException("User is not owner of this friend");
}
var isAlreadySentFriend =
await _inviteRepository.ExistsAsync(invite =>
invite.FriendId == model.FriendId && invite.OwnerId == ownerId);
if (isAlreadySentFriend)
{
throw new AlreadyExistsException("Invite of this friend already sent");
}
var friendToInvite = await _userRepository.GetFirstAsync(user =>
user.Email.ToUpper().Equals(model.FriendEmail.ToUpper()));
if (friendToInvite == null)
{
throw new SqlNullValueException("User with this email does not exist");
}
var isAlreadySentUser = await _inviteRepository.ExistsAsync(invite =>
invite.UserId == friendToInvite.Id && invite.OwnerId == ownerId);
if (isAlreadySentUser)
{
throw new AlreadyExistsException("Invite to this user already sent");
}
var isAlreadyFriends = await _friendRepository.ExistsAsync(friend =>
friend.Owner.Id == ownerId && friend.FriendUser.Id == friendToInvite.Id ||
friend.Owner.Id == friendToInvite.Id && friend.FriendUser.Id == ownerId);
if (isAlreadyFriends)
{
throw new AlreadyExistsException("You already friends");
}
var newInvite = model.FriendInviteDTOToInvite(friendToInvite, ownerId, ownerUser);
var inviteRet = await _inviteRepository.InsertAsync(newInvite);
var oldFriend = await _friendRepository.GetByIdAsync(model.FriendId);
oldFriend.InviteId = inviteRet.Id;
oldFriend.ModifiedBy = ownerId;
await _friendRepository.UpdateAsync(oldFriend);
}