/// <summary>
/// Creates a new voucher generation instance.
/// </summary>
public async Task <(Guid Otc, string Password)> CreateGenerationRequest(
Source source,
VoucherCreatePayload.Content creationParameters,
bool isPreVerified = false
)
{
if (!creationParameters.SourceId.Equals(source.Id.ToString()))
{
throw new ArgumentException($"Incoherent POS IDs {creationParameters.SourceId} != {source.Id}");
}
// TODO: validate whether source is allowed to generate vouchers (check aims)
var otc = Guid.NewGuid();
var password = creationParameters.Password ?? Random.GeneratePassword(DefaultAutogeneratedPasswordLength);
var genRequest = new GenerationRequest {
Otc = otc,
Amount = creationParameters.Vouchers.Length,
TotalVoucherCount = (from v in creationParameters.Vouchers select v.Count).Sum(),
CreatedAt = DateTime.UtcNow,
Verified = isPreVerified,
Attempts = RequestInitialAttempts,
SourceId = source.Id,
Nonce = creationParameters.Nonce,
Password = password
};
await Mongo.AddGenerationRequest(genRequest);
Logger.LogDebug("Generation request {0} persisted", otc);
var vouchers = from v in creationParameters.Vouchers
let secret = GenerateSecret()
select new Voucher {
Secret = secret.ToBase64(),
AimCode = v.Aim,
Position = GeoJson.Point(GeoJson.Geographic(v.Longitude, v.Latitude)),
Timestamp = v.Timestamp,
Count = v.Count,
InitialCount = v.Count,
GenerationRequestId = otc
};
await Mongo.AddVouchers(vouchers);
Logger.LogDebug("{0} voucher documents stored for request {1}", vouchers.Count(), otc);
return(otc, password);
}
/// <summary>
/// Creates a new voucher generation instance.
/// </summary>
public async Task <(Guid Otc, string Password)> CreateVoucherGeneration(
VoucherCreatePayload.Content creationParameters,
bool isPreVerified = false
)
{
// TODO: validate whether source is allowed to generate vouchers (check aims)
var otc = Guid.NewGuid();
var password = creationParameters.Password ?? _random.GeneratePassword(DefaultAutogeneratedPasswordLength);
var genRequest = new GenerationRequest {
Amount = (ushort)creationParameters.Vouchers.Length,
OtcGen = otc,
CreatedAt = DateTime.UtcNow,
Verified = isPreVerified,
PerformedAt = null,
Void = false,
SourceId = creationParameters.SourceId.ToLong(),
Nonce = creationParameters.Nonce.FromBase64(),
Password = password
};
Data.GenerationRequests.Add(genRequest);
await Data.SaveChangesAsync();
foreach (var voucher in creationParameters.Vouchers)
{
for (int c = 0; c < voucher.Count; ++c)
{
var v = new Voucher {
AimCode = voucher.Aim,
Latitude = voucher.Latitude,
Longitude = voucher.Longitude,
Timestamp = voucher.Timestamp,
GenerationRequestId = genRequest.Id,
Spent = false
};
_random.NextBytes(v.Secret);
Data.Vouchers.Add(v);
}
}
await Data.SaveChangesAsync();
return(otc, password);
}
