public static string FindField(this ICrateStorage payloadStorage, FieldDTO fieldToMatch)
{
if (payloadStorage == null)
{
throw new ArgumentNullException(nameof(payloadStorage));
}
if (fieldToMatch == null)
{
throw new ArgumentNullException(nameof(fieldToMatch));
}
if (string.IsNullOrWhiteSpace(fieldToMatch.Key))
{
return(null);
}
var filteredCrates = payloadStorage.AsQueryable();
if (!string.IsNullOrWhiteSpace(fieldToMatch.SourceActivityId))
{
filteredCrates = filteredCrates.Where(x => x.SourceActivityId == fieldToMatch.SourceActivityId);
}
if (!string.IsNullOrEmpty(fieldToMatch.SourceCrateLabel))
{
filteredCrates = filteredCrates.Where(x => x.Label == fieldToMatch.SourceCrateLabel);
}
if (fieldToMatch.SourceCrateManifest != CrateManifestType.Any && fieldToMatch.SourceCrateManifest != CrateManifestType.Unknown)
{
filteredCrates = filteredCrates.Where(x => x.ManifestType.Equals(fieldToMatch.SourceCrateManifest));
}
var operationalState = payloadStorage.CrateContentsOfType <OperationalStateCM>().Single();
//iterate through found crates to find the payload
foreach (var foundCrate in filteredCrates)
{
var foundField = FindField(operationalState, foundCrate, fieldToMatch.Key);
if (foundField != null)
{
return(foundField.Value);
}
}
return(null);
}
