public async ValueTask WriteOperationAsync(Stream stream, OeOperationMessage operation)
{
IODataResponseMessage responseMessage = new Infrastructure.OeInMemoryMessage(stream, operation.ContentType);
using (var messageWriter = new ODataMessageWriter(responseMessage, _settings))
await WriteEntityAsync(operation.EntitySet, operation.Entry, stream).ConfigureAwait(false);
}
private async Task WriteOperation(ODataBatchWriter writer, OeOperationMessage operation)
{
ODataBatchOperationResponseMessage operationMessage = await writer.CreateOperationResponseMessageAsync(operation.ContentId);
operationMessage.SetHeader("Location", operation.RequestUrl.AbsoluteUri);
operationMessage.SetHeader(ODataConstants.ContentTypeHeader, operation.ContentType);
operationMessage.StatusCode = (int)operation.StatusCode;
if (operation.StatusCode != HttpStatusCode.NoContent)
{
using (Stream stream = await operationMessage.GetStreamAsync())
await WriteEntity(operation.EntitySet, operation.Entry, stream);
}
}
private void WriteOperation(ODataBatchWriter writer, OeOperationMessage operation)
{
ODataBatchOperationResponseMessage operationMessage = writer.CreateOperationResponseMessage(operation.ContentId);
operationMessage.SetHeader("Location", operation.RequestUrl.AbsoluteUri);
operationMessage.SetHeader(ODataConstants.ContentTypeHeader, operation.ContentType);
operationMessage.StatusCode = (int)operation.StatusCode;
if (operation.StatusCode != HttpStatusCode.NoContent)
{
using (Stream stream = operationMessage.GetStream())
WriteEntity(stream, operation.EntityItem);
}
}
private static async Task <OeBatchFilterAttributeAttribute.BatchModelStateDictionary> GetModelStateAsync(HttpContext httpContext)
{
IEdmModel edmModel = httpContext.GetEdmModel();
Uri baseUri = UriHelper.GetBaseUri(httpContext.Request);
Uri requestUri = UriHelper.GetUri(httpContext.Request);
OeOperationMessage operation = await OeBatchMessage.CreateOperationMessageAsync(edmModel, baseUri, requestUri,
httpContext.Request.Body, httpContext.Request.ContentType, httpContext.Request.Method, OeParser.ServiceProvider).ConfigureAwait(false);
IEdmModel refModel = edmModel.GetEdmModel(operation.EntitySet.Container);
OeDataAdapter dataAdapter = refModel.GetDataAdapter(operation.EntitySet.Container);
Object dataContext = dataAdapter.CreateDataContext();
OeEntitySetAdapter entitySetAdapter = refModel.GetEntitySetAdapter(operation.EntitySet);
Object entity = OeDataContext.CreateEntity(operation, entitySetAdapter.EntityType);
var oeDataContext = new OeDataContext(entitySetAdapter, refModel, dataContext, operation);
return(new OeBatchFilterAttributeAttribute.BatchModelStateDictionary(dataAdapter, oeDataContext, entity));
}
internal static Object CreateEntity(OeOperationMessage operation, Type clrEntityType)
{
if (operation.Method == ODataConstants.MethodPatch)
{
var properties = new Dictionary <String, Object>();
foreach (ODataProperty odataProperty in operation.Entry.Properties)
{
PropertyInfo?propertyInfo = clrEntityType.GetProperty(odataProperty.Name);
if (propertyInfo == null)
{
throw new InvalidOperationException("Not found property " + odataProperty.Name + " in type " + clrEntityType.FullName);
}
properties[odataProperty.Name] = OeEdmClrHelper.GetClrValue(propertyInfo.PropertyType, odataProperty.Value);
}
return(properties);
}
return(OeEdmClrHelper.CreateEntity(clrEntityType, operation.Entry));
}
public void OnActionExecuted(ActionExecutedContext context)
{
if (!(context.ModelState is BatchModelStateDictionary) && _asyncLocal.Value is BatchModelStateDictionary modelState)
{
//single operation
_asyncLocal.Value = new ModelStateDictionary();
Db.OeDataAdapter dataAdapter = modelState.DataAdapter;
Object dataContext = modelState.DataContext.DbContext;
OeOperationMessage operation = modelState.DataContext.Operation;
try
{
dataAdapter.SaveChangesAsync(dataContext, CancellationToken.None).GetAwaiter().GetResult();
dataAdapter.EntitySetAdapters.Find(operation.EntitySet).UpdateEntityAfterSave(dataContext, operation.Entry);
context.HttpContext.Response.ContentType = context.HttpContext.Request.ContentType;
var batchWriter = new Writers.OeBatchWriter(modelState.DataContext.EdmModel, UriHelper.GetBaseUri(context.HttpContext.Request));
batchWriter.WriteOperationAsync(context.HttpContext.Response.Body, operation).GetAwaiter().GetResult();
}
finally
{
dataAdapter.CloseDataContext(dataContext);
}
}
}
public OeDataContext(ref OeEntitySetAdapter entitySetAdapter, Object dataContext, OeOperationMessage operation)
{
_entitySetAdapter = entitySetAdapter;
_dataContext = dataContext;
_operation = operation;
}
