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();
}
}
public async Task CreateGameEventParticipationAsync(SendGameEventInvitationDto gameEventInvitationDto)
{
var gameEventId = gameEventInvitationDto.GameEventId;
var userNameTo = gameEventInvitationDto.UserNameTo;
var participation = await GetActiveGameEventParticipation(gameEventId, userNameTo);
if (participation != null)
{
switch (participation.ParticipationStatus)
{
case ParticipationStatus.PendingGuest:
throw new GameEventParticipationException("You have already invited this user to this event.");
case ParticipationStatus.AcceptedGuest:
throw new GameEventParticipationException("This user already participates in this event.");
case ParticipationStatus.Creator:
throw new GameEventParticipationException("You cannot invite yourself.");
// Nothing else can be returned by GetActiveGameEventParticipation.
default:
throw new ArgumentOutOfRangeException(
nameof(participation.ParticipationStatus),
$"The value {participation.ParticipationStatus} of ParticipationStatus " +
"is not included in this switch statement.");
}
}
var userTo = await _repository.ApplicationUsers.SingleAsync(ApplicationUser.UserNameEquals(userNameTo));
using (var transaction = _repository.BeginTransaction())
{
await CreateNewGameEventParticipation(gameEventId, userTo.Id);
await SendGameEventInvitationAsync(
gameEventInvitationDto.GameEventId,
userTo,
gameEventInvitationDto.GenerateGameEventLink);
transaction.Commit();
}
}
public async Task EditGameEventAsync(EditGameEventDto editedEvent)
{
using (var transaction = _repository.BeginTransaction())
{
await EditSingleGameEventProperties(
editedEvent.Id,
editedEvent.Name,
editedEvent.Date,
editedEvent.Place);
var games = await GetGames(editedEvent.Id);
await EditGames(editedEvent.Id, games, editedEvent.Games);
transaction.Commit();
}
}