public bool JoinContest(int id, IEnumerable <HttpPostedFileBase> files, string userId)
{
var contest = this.Data.Contests.Find(id);
if (contest == null)
{
throw new NotFoundException("Contest with such id does not exists");
}
var user = this.Data.Users.Find(userId);
if (contest.Committee.Contains(user) || contest.Participants.Contains(user) ||
contest.OrganizatorId == user.Id)
{
throw new BadRequestException("You are either organizator of this contest or in the committee or you already participate in it");
}
var deadlineStrategy =
StrategyFactory.GetDeadlineStrategy(contest.DeadlineStrategy.DeadlineStrategyType);
deadlineStrategy.CheckDeadline(this.Data, contest, user);
var participationStrategy =
StrategyFactory.GetParticipationStrategy(contest.ParticipationStrategy.ParticipationStrategyType);
participationStrategy.CheckPermission(this.Data, user, contest);
if (contest.Participants.Contains(user))
{
throw new BadRequestException("You already participate in this contest");
}
if (contest.Committee.Contains(user))
{
throw new UnauthorizedException("You cannot participate in this contest, you are in the committee");
}
foreach (var file in files)
{
var result = this._pictureService.UploadImageToGoogleDrive(file, file.FileName, file.ContentType);
if (result[0] != "success")
{
throw new BadRequestException(result[1]);
}
Picture picture = new Picture
{
UserId = user.Id,
Url = GoogleDrivePicturesBaseLink + result[1],
GoogleFileId = result[1],
ContestId = contest.Id
};
this.Data.Pictures.Add(picture);
}
contest.Participants.Add(user);
this.Data.Contests.Update(contest);
this.Data.SaveChanges();
return(true);
}