public async Task <IActionResult> GetRelationshipsBySpecificationId(string specificationId)
{
if (string.IsNullOrWhiteSpace(specificationId))
{
_logger.Error("No specification id was provided to GetRelationshipsBySpecificationId");
return(new BadRequestObjectResult("No specification id was provided to GetRelationshipsBySpecificationId"));
}
IEnumerable <DefinitionSpecificationRelationship> relationships =
await _datasetRepository.GetDefinitionSpecificationRelationshipsByQuery(m => m.Content.Specification.Id == specificationId);
if (relationships.IsNullOrEmpty())
{
relationships = new DefinitionSpecificationRelationship[0];
}
IList <DatasetSpecificationRelationshipViewModel> relationshipViewModels = new List <DatasetSpecificationRelationshipViewModel>();
if (relationships.IsNullOrEmpty())
{
return(new OkObjectResult(relationshipViewModels));
}
IList <Task <DatasetSpecificationRelationshipViewModel> > tasks = new List <Task <DatasetSpecificationRelationshipViewModel> >();
IEnumerable <KeyValuePair <string, int> > datasetLatestVersions =
await _datasetRepository.GetDatasetLatestVersions(relationships.Select(_ => _.DatasetVersion?.Id));
foreach (DefinitionSpecificationRelationship relationship in relationships)
{
KeyValuePair <string, int> datasetLatestVersion = datasetLatestVersions.SingleOrDefault(_ => _.Key == relationship.DatasetVersion?.Id);
Task <DatasetSpecificationRelationshipViewModel> task = CreateViewModel(relationship, datasetLatestVersion);
tasks.Add(task);
}
await Task.WhenAll(tasks);
foreach (Task <DatasetSpecificationRelationshipViewModel> task in tasks)
{
relationshipViewModels.Add(task.Result);
}
return(new OkObjectResult(tasks.Select(m => m.Result)));
}