protected override void PopulateMetadata(DSPMetadata metadata, MongoContext context)
{
foreach (var collectionName in GetCollectionNames(context))
{
var collection = context.Database.GetCollection(collectionName);
var document = collection.FindOne();
if (document != null)
{
var collectionType = metadata.AddEntityType(collectionName);
foreach (var element in document.Elements)
{
var elementType = GetElementType(context, element);
if (element.Name == "_id")
{
metadata.AddKeyProperty(collectionType, "ID", elementType);
}
else if (elementType == typeof(BsonDocument))
{
string referencedCollectionName = GetDocumentCollection(context, element.Value.AsBsonDocument).Name;
resourceReferences.Add(new Tuple <ResourceType, string, string>(collectionType, element.Name, referencedCollectionName));
}
else if (elementType == typeof(BsonArray))
{
var bsonArray = element.Value.AsBsonArray;
if (bsonArray != null && bsonArray.Count > 0)
{
string referencedCollectionName = GetDocumentCollection(context, bsonArray[0].AsBsonDocument).Name;
resourceSetReferences.Add(new Tuple <ResourceType, string, string>(collectionType, element.Name, referencedCollectionName));
}
}
else
{
metadata.AddPrimitiveProperty(collectionType, element.Name, elementType);
}
}
metadata.AddResourceSet(collectionName, collectionType);
}
}
foreach (var reference in resourceReferences)
{
var referencedResourceSet = metadata.ResourceSets.Where(x => x.Name == reference.Item3).SingleOrDefault();
if (referencedResourceSet != null)
{
metadata.AddResourceSetReferenceProperty(reference.Item1, reference.Item2, referencedResourceSet);
}
}
foreach (var reference in resourceSetReferences)
{
var referencedResourceSet = metadata.ResourceSets.Where(x => x.Name == reference.Item3).SingleOrDefault();
if (referencedResourceSet != null)
{
metadata.AddResourceSetReferenceProperty(reference.Item1, reference.Item2, referencedResourceSet);
}
}
}
protected override DSPMetadata CreateDSPMetadata()
{
DSPMetadata metadata = new DSPMetadata("DemoService", "DataServiceProviderDemo");
ResourceType product = metadata.AddEntityType("Product");
metadata.AddKeyProperty(product, "ID", typeof(int));
metadata.AddPrimitiveProperty(product, "Name", typeof(string));
metadata.AddPrimitiveProperty(product, "Description", typeof(string));
metadata.AddPrimitiveProperty(product, "ReleaseDate", typeof(DateTime));
metadata.AddPrimitiveProperty(product, "DiscontinueDate", typeof(DateTime?));
metadata.AddPrimitiveProperty(product, "Rating", typeof(int));
ResourceSet products = metadata.AddResourceSet("Products", product);
ResourceType category = metadata.AddEntityType("Category");
metadata.AddKeyProperty(category, "ID", typeof(int));
metadata.AddPrimitiveProperty(category, "Name", typeof(string));
ResourceSet categories = metadata.AddResourceSet("Categories", category);
// Add reference properties between category and product
metadata.AddResourceReferenceProperty(product, "Category", categories);
metadata.AddResourceSetReferenceProperty(category, "Products", products);
return(metadata);
}
internal static DSPServiceDefinition SetUpNamedStreamService()
{
DSPMetadata metadata = new DSPMetadata("NamedStreamIDSPContainer", "NamedStreamTest");
// entity with streams
ResourceType entityWithNamedStreams = metadata.AddEntityType("EntityWithNamedStreams", null, null, false);
metadata.AddKeyProperty(entityWithNamedStreams, "ID", typeof(int));
metadata.AddPrimitiveProperty(entityWithNamedStreams, "Name", typeof(string));
ResourceProperty streamInfo1 = new ResourceProperty("Stream1", ResourcePropertyKind.Stream, ResourceType.GetPrimitiveResourceType(typeof(Stream)));
entityWithNamedStreams.AddProperty(streamInfo1);
ResourceProperty streamInfo2 = new ResourceProperty("Stream2", ResourcePropertyKind.Stream, ResourceType.GetPrimitiveResourceType(typeof(Stream)));
entityWithNamedStreams.AddProperty(streamInfo2);
// entity1 with streams
ResourceType entityWithNamedStreams1 = metadata.AddEntityType("EntityWithNamedStreams1", null, null, false);
metadata.AddKeyProperty(entityWithNamedStreams1, "ID", typeof(int));
metadata.AddPrimitiveProperty(entityWithNamedStreams1, "Name", typeof(string));
ResourceProperty refStreamInfo1 = new ResourceProperty("RefStream1", ResourcePropertyKind.Stream, ResourceType.GetPrimitiveResourceType(typeof(Stream)));
entityWithNamedStreams1.AddProperty(refStreamInfo1);
// entity2 with streams
ResourceType entityWithNamedStreams2 = metadata.AddEntityType("EntityWithNamedStreams2", null, null, false);
metadata.AddKeyProperty(entityWithNamedStreams2, "ID", typeof(string));
metadata.AddPrimitiveProperty(entityWithNamedStreams2, "Name", typeof(string));
ResourceProperty collectionStreamInfo = new ResourceProperty("ColStream", ResourcePropertyKind.Stream, ResourceType.GetPrimitiveResourceType(typeof(Stream)));
entityWithNamedStreams2.AddProperty(collectionStreamInfo);
ResourceSet set1 = metadata.AddResourceSet("MySet1", entityWithNamedStreams);
ResourceSet set2 = metadata.AddResourceSet("MySet2", entityWithNamedStreams1);
ResourceSet set3 = metadata.AddResourceSet("MySet3", entityWithNamedStreams2);
// add navigation property to entityWithNamedStreams
metadata.AddResourceReferenceProperty(entityWithNamedStreams, "Ref", set2, entityWithNamedStreams1);
metadata.AddResourceSetReferenceProperty(entityWithNamedStreams, "Collection", set3, entityWithNamedStreams2);
metadata.AddResourceSetReferenceProperty(entityWithNamedStreams2, "Collection1", set2, entityWithNamedStreams1);
DSPServiceDefinition service = new DSPServiceDefinition();
service.Metadata = metadata;
service.MediaResourceStorage = new DSPMediaResourceStorage();
service.SupportMediaResource = true;
service.SupportNamedStream = true;
service.ForceVerboseErrors = true;
service.PageSizeCustomizer = (config, type) =>
{
config.SetEntitySetPageSize("MySet3", 1);
};
// populate data
DSPContext context = new DSPContext();
DSPResource entity1 = new DSPResource(entityWithNamedStreams);
{
context.GetResourceSetEntities("MySet1").Add(entity1);
entity1.SetValue("ID", 1);
entity1.SetValue("Name", "Foo");
DSPMediaResource namedStream1 = service.MediaResourceStorage.CreateMediaResource(entity1, streamInfo1);
namedStream1.ContentType = "image/jpeg";
byte[] data1 = new byte[] { 0, 1, 2, 3, 4 };
namedStream1.GetWriteStream().Write(data1, 0, data1.Length);
DSPMediaResource namedStream2 = service.MediaResourceStorage.CreateMediaResource(entity1, streamInfo2);
namedStream2.ContentType = "image/jpeg";
byte[] data2 = new byte[] { 0, 1, 2, 3, 4 };
namedStream2.GetWriteStream().Write(data2, 0, data2.Length);
}
DSPResource entity2 = new DSPResource(entityWithNamedStreams1);
{
context.GetResourceSetEntities("MySet2").Add(entity2);
entity2.SetValue("ID", 3);
entity2.SetValue("Name", "Bar");
DSPMediaResource refNamedStream1 = service.MediaResourceStorage.CreateMediaResource(entity2, refStreamInfo1);
refNamedStream1.ContentType = "image/jpeg";
byte[] data1 = new byte[] { 0, 1, 2, 3, 4 };
refNamedStream1.GetWriteStream().Write(data1, 0, data1.Length);
// set the navigation property
entity1.SetValue("Ref", entity2);
}
{
DSPResource entity3 = new DSPResource(entityWithNamedStreams2);
context.GetResourceSetEntities("MySet3").Add(entity3);
entity3.SetValue("ID", "ABCDE");
entity3.SetValue("Name", "Bar");
DSPMediaResource stream = service.MediaResourceStorage.CreateMediaResource(entity3, collectionStreamInfo);
stream.ContentType = "image/jpeg";
byte[] data1 = new byte[] { 0, 1, 2, 3, 4 };
stream.GetWriteStream().Write(data1, 0, data1.Length);
entity3.SetValue("Collection1", new List <DSPResource>()
{
entity2
});
DSPResource entity4 = new DSPResource(entityWithNamedStreams2);
context.GetResourceSetEntities("MySet3").Add(entity4);
entity4.SetValue("ID", "XYZ");
entity4.SetValue("Name", "Foo");
DSPMediaResource stream1 = service.MediaResourceStorage.CreateMediaResource(entity3, collectionStreamInfo);
stream1.ContentType = "image/jpeg";
stream1.GetWriteStream().Write(data1, 0, data1.Length);
entity4.SetValue("Collection1", new List <DSPResource>()
{
entity2
});
entity1.SetValue("Collection", new List <DSPResource>()
{
entity3, entity4
});
}
service.DataSource = context;
return(service);
}
