public IActionResult GetManifestItems(string id)
{
var response = new ManifestSearchResponse();
return(new OkObjectResult(response));
}
/// <inheritdoc />
public async Task <ApiDataPage <ManifestSearchResponse> > SearchPackageManifests(ManifestSearchRequest manifestSearchRequest, Dictionary <string, string> headers, IQueryCollection queryParameters)
{
// Create Working Set and return
ApiDataPage <ManifestSearchResponse> apiDataPage = new ApiDataPage <ManifestSearchResponse>();
List <PackageManifest> manifests = new List <PackageManifest>();
List <ManifestSearchResponse> manifestSearchResponse = new List <ManifestSearchResponse>();
// Create feed options for inclusion search: -1 so we can get all matches in inclusion, then filter down.
FeedOptions feedOptions = new FeedOptions
{
ResponseContinuationTokenLimitInKb = CosmosConnectionConstants.ResponseContinuationTokenLimitInKb,
EnableCrossPartitionQuery = true,
MaxItemCount = AllElements,
RequestContinuation = null,
};
if (manifestSearchRequest.FetchAllManifests || (manifestSearchRequest.Inclusions == null && manifestSearchRequest.Query == null))
{
IQueryable <CosmosPackageManifest> query = this.cosmosDatabase.GetIQueryable <CosmosPackageManifest>(feedOptions);
IDocumentQuery <CosmosPackageManifest> documentQuery = query.AsDocumentQuery();
ApiDataPage <CosmosPackageManifest> apiDataDocument = await this.cosmosDatabase.GetByDocumentQuery <CosmosPackageManifest>(documentQuery);
manifests.AddRange(apiDataDocument.Items);
}
else
{
// Process Inclusions
Models.Arrays.SearchRequestPackageMatchFilter inclusions = new Models.Arrays.SearchRequestPackageMatchFilter();
if (manifestSearchRequest.Inclusions != null)
{
inclusions.AddRange(manifestSearchRequest.Inclusions);
}
// Convert Query to inclusions to submit to cosmos
if (manifestSearchRequest.Query != null)
{
inclusions.AddRange(this.queryList.Select(q => new Models.Objects.SearchRequestPackageMatchFilter()
{
PackageMatchField = q,
RequestMatch = manifestSearchRequest.Query,
}));
}
// Submit Inclusions to Cosmos
// Due to join limitation on Cosmos - we are submitting each predicate separately.
// TODO: Create a more efficient search - but this will suffice for now for a light weight reference.
if (inclusions.Count > 0)
{
List <Task <ApiDataPage <PackageManifest> > > taskSet = new List <Task <ApiDataPage <PackageManifest> > >();
foreach (string packageMatchField in inclusions.Select(inc => inc.PackageMatchField).Distinct())
{
// Create Predicate for search
ExpressionStarter <PackageManifest> inclusionPredicate = PredicateBuilder.New <PackageManifest>();
foreach (SearchRequestPackageMatchFilter matchFilter in inclusions.Where(inc => inc.PackageMatchField.Equals(packageMatchField)))
{
// Some package match fields or types might not be supported by current version of search.
// So we will check the supported list before adding any predicates.
if (this.IsPackageMatchFieldSupported(matchFilter.PackageMatchField) &&
this.IsMatchTypeSupported(matchFilter.RequestMatch.MatchType))
{
inclusionPredicate.Or(this.QueryPredicate(matchFilter.PackageMatchField, matchFilter.RequestMatch));
}
}
// Create Document Query
IQueryable <PackageManifest> query = this.cosmosDatabase.GetIQueryable <PackageManifest>(feedOptions);
query = query.Where(inclusionPredicate);
IDocumentQuery <PackageManifest> documentQuery = query.AsDocumentQuery();
// Submit Query to Cosmos
taskSet.Add(Task.Run(() => this.cosmosDatabase.GetByDocumentQuery(documentQuery)));
}
// Wait for Cosmos Queries to complete
await Task.WhenAll(taskSet.ToArray());
// Process Manifests from Cosmos
foreach (Task <ApiDataPage <PackageManifest> > task in taskSet)
{
manifests.AddRange(task.Result.Items);
}
manifests = manifests.Distinct().ToList();
}
}
// Process Filters
if (manifestSearchRequest.Filters != null)
{
ExpressionStarter <PackageManifest> filterPredicate = PredicateBuilder.New <PackageManifest>();
foreach (SearchRequestPackageMatchFilter matchFilter in manifestSearchRequest.Filters)
{
if (this.IsPackageMatchFieldSupported(matchFilter.PackageMatchField) &&
this.IsMatchTypeSupported(matchFilter.RequestMatch.MatchType))
{
filterPredicate.Or(this.QueryPredicate(matchFilter.PackageMatchField, matchFilter.RequestMatch));
}
}
manifests = manifests.Where(filterPredicate).ToList();
}
foreach (PackageManifest manifest in manifests)
{
foreach (ManifestSearchResponse response in ManifestSearchResponse.GetSearchVersions(manifest))
{
manifestSearchResponse.Add(response);
}
}
// Consolidate Results
manifestSearchResponse = ManifestSearchResponse.Consolidate(manifestSearchResponse).OrderBy(manifest => manifest.PackageIdentifier).ToList();
// Process results
if (manifestSearchResponse.Count > manifestSearchRequest.MaximumResults && manifestSearchRequest.MaximumResults > 0)
{
manifestSearchResponse = manifestSearchResponse.GetRange(0, manifestSearchRequest.MaximumResults);
}
int maxPageCount = manifestSearchRequest.MaximumResults < FunctionSettingsConstants.MaxResultsPerPage && manifestSearchRequest.MaximumResults > 0
? manifestSearchRequest.MaximumResults
: FunctionSettingsConstants.MaxResultsPerPage;
int totalResults = manifestSearchResponse.Count;
if (totalResults > maxPageCount)
{
// Process Continuation Token
ApiContinuationToken token = null;
if (headers.ContainsKey(HeaderConstants.ContinuationToken))
{
token = Parser.StringParser <ApiContinuationToken>(StringEncoder.DecodeContinuationToken(headers[HeaderConstants.ContinuationToken]));
}
else
{
token = new ApiContinuationToken()
{
Index = 0,
MaxPageSize = maxPageCount,
};
}
// If index miss-match dump results and return no content.
if (token.Index > manifestSearchResponse.Count - 1)
{
manifestSearchResponse = new List <ManifestSearchResponse>();
token = null;
}
else
{
int elementsRemaining = totalResults - token.Index;
int elements = elementsRemaining < token.MaxPageSize ? elementsRemaining : token.MaxPageSize;
manifestSearchResponse = manifestSearchResponse.GetRange(token.Index, elements);
token.Index += elements;
if (token.Index == totalResults)
{
token = null;
}
}
apiDataPage.ContinuationToken = token != null?StringEncoder.EncodeContinuationToken(FormatJSON.None(token)) : null;
}
apiDataPage.Items = ManifestSearchResponse.Consolidate(manifestSearchResponse.ToList());
return(apiDataPage);
}
