public async Task <Challenge> CreateChallenge(Guid challengeId, Question question, Answer answer, Identifier identifier)
{
Challenge challenge = new Challenge
{
Id = challengeId,
Identifier = identifier,
Team = null,
Question = JsonConvert.SerializeObject(question),
Answer = JsonConvert.SerializeObject(answer)
};
await _dbContext.Challenges.AddAsync(challenge);
await _dbContext.SaveChangesAsync();
return(challenge);
}
public async Task <History> Pop()
{
var history = await _dbContext.History.OrderBy(x => x.SysId).FirstOrDefaultAsync();
Status?status = history?.Status;
if (history != null)
{
_dbContext.History.Remove(history);
}
await _dbContext.SaveChangesAsync();
return(new History {
Status = status
});
}
public async Task <Team> CreateTeam(string name, string secret)
{
Guid id = Guid.NewGuid();
Team team = new Team
{
Id = id,
Name = name,
HashedSecret = secret.Md5Hash(),
Identification = $"{id}".Base64Encode()
};
await _dbContext.Teams.AddAsync(team);
await _dbContext.SaveChangesAsync();
return(team);
}
public async Task <Image> StoreImage(Byte[] binaryImage)
{
var checksum = CalculateChecksum(binaryImage);
var existingImage = await _dbContext.Images.SingleOrDefaultAsync(x => x.Checksum == checksum);
if (existingImage != null)
{
return(existingImage);
}
var image = new Image
{
Id = Guid.NewGuid(),
Data = binaryImage,
Checksum = checksum
};
await _dbContext.Images.AddAsync(image);
await _dbContext.SaveChangesAsync();
return(image);
}
