public async Task CreateGameEventAsync(CreateGameEventDto requestedGameEvent)
{
var creator = await _repository.ApplicationUsers.SingleAsync(
ApplicationUser.UserNameEquals(requestedGameEvent.CreatorUserName));
var creatorParticipation = new GameEventParticipation
{
ParticipantId = creator.Id,
ParticipationStatus = ParticipationStatus.Creator
};
var gameEvent = new GameEvent
{
Name = requestedGameEvent.Name,
Date = requestedGameEvent.Date,
Place = requestedGameEvent.Place,
Games = requestedGameEvent.Games
.Select((game, index) => new Game {
Name = game, PositionOnTheList = index
}).ToList(),
Participations = new List <GameEventParticipation>(),
Description = new DescriptionTab()
};
gameEvent.Participations.Add(creatorParticipation);
_repository.GameEvents.Add(gameEvent);
await _repository.SaveChangesAsync();
}
private async Task SaveFriendshipAsync(Friendship friendship)
{
_repository.Friendships.Add(friendship);
try
{
await _repository.SaveChangesAsync();
}
catch (DbUpdateException e) when(e.InnerException is SqlException sqlException)
{
switch (sqlException.Number)
{
case 50000:
throw new FriendRequestException(
"You have already been invited by this user. Check your inbox for the friend request.");
case 50001:
throw new FriendRequestException(
"You have already sent this user a friend request.");
case 50002:
throw new FriendRequestException("You are already friends.");
default:
throw new ArgumentOutOfRangeException(
$"Uncaught SQL Exception with error number {sqlException.Number} occured.");
}
}
}
private async Task ChangeGameEventParticipationStatusAsync(
GameEventParticipation participation,
ParticipationStatus participationStatus)
{
participation.ParticipationStatus = participationStatus;
await _repository.SaveChangesAsync();
}
public async Task EditDescriptionTabAsync(EditDescriptionTabDto editDescriptionTabDto)
{
var descriptionTab = await _repository.DescriptionTabs
.SingleAsync(dt => dt.Id == editDescriptionTabDto.Id);
descriptionTab.Description = editDescriptionTabDto.Description;
await _repository.SaveChangesAsync();
}
public async Task AddGroupAsync(string userName, string groupName)
{
if (string.IsNullOrEmpty(groupName))
{
throw new GroupsException("Group name cannot be empty.");
}
var user = await _repository.ApplicationUsers.SingleAsync(ApplicationUser.UserNameEquals(userName));
var group = new Group
{
Name = groupName,
OwnerId = user.Id,
Owner = user
};
_repository.Groups.Add(group);
await _repository.SaveChangesAsync();
}