public async Task <IActionResult> SendFriendRequest(string userNameFrom, string userNameTo)
{
var createFriendRequestDto = new SendFriendRequestDto(
userNameFrom,
userNameTo,
friendRequestId => _hostConfiguration.HostAddress + Url.Action(
"FriendRequest",
"Friends",
new { id = friendRequestId }));
try
{
await _friendsService.SendFriendRequestAsync(createFriendRequestDto);
}
catch (ApplicationException exception)
{
return(Error.FromController(this).ErrorJson("Error!", exception.Message, HttpStatusCode.BadRequest));
}
catch
{
return(Error.FromController(this).ErrorJson(
"Error!",
"An unexpected error has occured while processing your request.",
HttpStatusCode.InternalServerError));
}
return(Ok(
new
{
title = "Invite sent.",
message = $"An email with your invitation has been sent to {userNameTo}." +
" Once it's accepted you'll see them in your Friends menu."
}));
}
public async Task SendFriendRequestAsync(SendFriendRequestDto friendRequest)
{
if (friendRequest.UserNameTo == friendRequest.UserNameFrom)
{
throw new FriendRequestException("You cannot invite yourself.");
}
var userRequestedBy =
_repository.ApplicationUsers.Single(ApplicationUser.UserNameEquals(friendRequest.UserNameFrom));
var userRequestedTo =
_repository.ApplicationUsers.Single(ApplicationUser.UserNameEquals(friendRequest.UserNameTo));
var friendship = new Friendship
{
RequestedById = userRequestedBy.Id,
RequestedToId = userRequestedTo.Id,
FriendshipStatus = FriendshipStatus.PendingFriendRequest
};
using (var transaction = _repository.BeginTransaction())
{
await SaveFriendshipAsync(friendship);
await SendFriendRequestEmailAsync(friendRequest.GenerateRequestLink, friendship);
transaction.Commit();
}
}
