private IDictionary <object, ResourceResolverEntry> ResolveResourcesByField(IReadOnlyCollection <object> resourceIdentities)
{
var result = new Dictionary <object, ResourceResolverEntry>( );
// Resolve entity (use Name for now)
ILookup <object, long> lookup = _entityResolver.GetEntitiesByField(resourceIdentities);
// Look up IDs for the identitifiers
Dictionary <long, object> entityIDs = new Dictionary <long, object>( );
foreach (object resourceIdentity in resourceIdentities)
{
if (!lookup.Contains(resourceIdentity))
{
result[resourceIdentity] = new ResourceResolverEntry(ResourceResolverError.ResourceNotFoundByField);
continue;
}
// Check entity count
long [] entityIds = lookup [resourceIdentity].Take(2).ToArray( );
if (entityIds.Length != 1)
{
result [resourceIdentity] = new ResourceResolverEntry(ResourceResolverError.ResourceNotUniqueByField);
continue;
}
entityIDs.Add(entityIds [0], resourceIdentity);
}
// Load entities for the IDs.
IEnumerable <IEntity> entities = Entity.Get(entityIDs.Keys);
foreach (IEntity entity in entities)
{
object resourceIdentity = entityIDs [entity.Id];
result [resourceIdentity] = new ResourceResolverEntry(entity);
}
return(result);
}
