public string[] Validate(PublishTekArgs args)
{
if (args == null)
{
return(new[] { "Args is null." });
}
var errors = new List <string>();
// The PubTEK key cannot be empty
if (string.IsNullOrWhiteSpace(args.GGDKey))
{
return(new[] { "PubTEK key is null or empty." });
}
// The PubTEK key should be 6 or 7 characters in length
if (args.GGDKey.Length != _luhnModNValidator.Config.ValueLength && args.GGDKey.Length != _luhnModNValidator.Config.ValueLength - 1)
{
return(new[] { "PubTEK key has incorrect length." });
}
// The PubTEK key should only have character from the given set
if (args.GGDKey.Any(x => !_luhnModNValidator.Config.CharacterSet.Contains(x)))
{
return(new[] { "PubTEK key contains invalid character." });
}
// The PubTEK key should be validated for LuhnModN algorithm when it has 7 characters
if (args.GGDKey.Length == _luhnModNValidator.Config.ValueLength && !_luhnModNValidator.Validate(args.GGDKey))
{
return(new[] { "PubTEK key validation for LuhnModN failed." });
}
//Should be a date only without time.
args.SelectedDate = args.SelectedDate?.Date;
if (!args.Symptomatic && (_dateTimeProvider.Snapshot.Date.AddDays(-30) > args.SelectedDate?.Date || args.SelectedDate?.Date > _dateTimeProvider.Snapshot.Date))
{
errors.Add($"Selected date out of range - {args.SelectedDate}.");
}
return(errors.ToArray());
}
/// <summary>
/// Assume args validated
/// </summary>
/// <param name="args">The PubTEK values</param>
/// <returns>True if succeeded, otherwise false</returns>
public async Task <bool> ExecuteAsync(PublishTekArgs args)
{
// Defensive check for PublishTekArgs being null
if (args == null)
{
throw new ArgumentNullException(nameof(args));
}
// Retrieve the matching PubTEK value with all TEK's from the database
var wf = await _workflowDb
.KeyReleaseWorkflowStates
.Include(x => x.Teks)
.FirstOrDefaultAsync(x => x.GGDKey == args.GGDKey || args.GGDKey.StartsWith(x.LabConfirmationId));
// If no PubTEK value is found the process should be ended. The PubTEK key does not exist or is already processed/published.
if (wf == null)
{
_logger.WriteKeyReleaseWorkflowStateNotFound(args.GGDKey);
return(false);
}
wf.AuthorisedByCaregiver = _dateTimeProvider.Snapshot;
wf.LabConfirmationId = null; //Clear from usable key range
wf.GGDKey = null; //Clear from usable key range
wf.StartDateOfTekInclusion = args.SelectedDate; // The date is currently a StartDateOfTekInclusion or Date of Test. The system lacks having 2 date variants so the existing StartDateOfTekInclusion will hold either
wf.IsSymptomatic = args.Symptomatic ? InfectiousPeriodType.Symptomatic : InfectiousPeriodType.Asymptomatic;
var success = await PublishTek(wf);
if (success)
{
_logger.LogInformation($"GGDKey {wf.GGDKey} authorized.");
}
return(success);
}