/// <summary>
/// Inserts a new Document object into a Document Collection.
/// </summary>
/// <param name="req">The request object.</param>
/// <param name="token">The cancellation token.</param>
/// <returns></returns>
/// <exception cref="ArgumentException">collection cannot be null or blank</exception>
private async Task<object> OnInsertDocumentAsync(dynamic req, CancellationToken token)
{
var stopwatch = new Stopwatch();
stopwatch.Start();
var collectionName = (string)req["collection"];
if (String.IsNullOrWhiteSpace(collectionName))
throw new ArgumentException("collection cannot be null or blank");
// Get the Document object from the request.
// Note: Bind() will get resolved to DynamicModelBinder.Bind().
var excludedFields = new[] { "collection" };
var dictionary = this.Bind<DynamicDictionary>(excludedFields).ToDictionary();
var document = new Document(dictionary);
// Get the target Document Collection; it will be auto-created if it doesn't exist.
var collection = _database[collectionName];
// Insert the Document object into the target Document Collection.
var docId = await collection.InsertAsync(document).ConfigureAwait(false);
stopwatch.Stop();
var responseDto = this.BuildInsertResponseDto(collectionName, docId, stopwatch.Elapsed);
return Response.AsJson(responseDto);
}
/// <summary>
/// Replaces a Document object identified by its _id, in a Document Collection.
/// </summary>
/// <param name="req">The request object.</param>
/// <param name="token">The cancellation token.</param>
/// <returns></returns>
/// <exception cref="System.InvalidOperationException">There is no data for this operation</exception>
private async Task<object> OnReplaceDocumentAsync(dynamic req, CancellationToken token)
{
var stopwatch = new Stopwatch();
stopwatch.Start();
var collectionName = (string)req["collection"];
if (String.IsNullOrWhiteSpace(collectionName))
throw new ArgumentException("collection cannot be null or blank");
if (!_database.ContainsCollection(collectionName))
return HttpStatusCode.NotFound;
var guid = (Guid)req["id"];
if (guid == Guid.Empty)
throw new ArgumentException("id cannot be Guid.Empty");
var collection = _database[collectionName];
var existingDoc = await collection.GetAsync(guid);
if (existingDoc == null)
return HttpStatusCode.NotFound;
var excludedFields = new[] { "collection", "id" };
var dictionary = this.Bind<DynamicDictionary>(excludedFields).ToDictionary();
if (dictionary == null || dictionary.Count == 0)
throw new InvalidOperationException("There is no data for this operation");
var document = new Document(dictionary);
document._id = guid;
if (document._modifiedTimestamp != null && document._modifiedTimestamp != existingDoc._modifiedTimestamp)
throw new InvalidOperationException("The document was modified by another user or process.");
var updatedCount = await collection.UpdateAsync(document).ConfigureAwait(false);
stopwatch.Stop();
var responseDto = this.BuildUpdateResponseDto(collectionName, updatedCount, stopwatch.Elapsed);
return Response.AsJson(responseDto);
}
