protected OeAsyncEnumerator GetAsyncEnumerator(HttpContext httpContext, Stream responseStream, bool navigationNextLink = false, int?maxPageSize = null)
        {
            var odataParser = new ODataUriParser(_edmModel, UriHelper.GetBaseUri(httpContext.Request), UriHelper.GetUri(httpContext.Request));

            odataParser.Resolver.EnableCaseInsensitive = true;
            ODataUri odataUri = odataParser.ParseUri();

            var requestHeaders       = (HttpRequestHeaders)httpContext.Request.Headers;
            OeRequestHeaders headers = GetRequestHeaders(requestHeaders, httpContext.Response, navigationNextLink, maxPageSize);

            if (odataUri.Path.LastSegment is OperationImportSegment)
            {
                return(Execute(odataUri, httpContext.Request.Body, headers, httpContext.RequestAborted));
            }

            var getParser = new OeGetParser(_dataAdapter, _edmModel);

            _queryContext = getParser.CreateQueryContext(odataUri, headers.MaxPageSize, headers.NavigationNextLink, headers.MetadataLevel);
            return(Execute(headers, responseStream, httpContext.RequestAborted));
        }
Beispiel #2
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 private Task InvokeServiceDocument(HttpContext httpContext)
 {
     httpContext.Response.ContentType = "application/schema+json";
     return(GetServiceDocument(EdmModel, UriHelper.GetBaseUri(httpContext.Request), httpContext.Response.Body));
 }
        private IAsyncEnumerable <Object> GetAsyncEnumerator(IQueryable source = null)
        {
            _httpContext.Response.RegisterForDispose(this);

            ODataUri  odataUri = OeParser.ParseUri(_edmModel, UriHelper.GetBaseUri(_httpContext.Request), UriHelper.GetUri(_httpContext.Request));
            IEdmModel refModel = _edmModel.GetEdmModel(odataUri.Path);

            _dataAdapter = refModel.GetDataAdapter(refModel.EntityContainer);
            if (_dataContext == null)
            {
                _dataContext = _dataAdapter.CreateDataContext();
            }

            var requestHeaders       = (HttpRequestHeaders)_httpContext.Request.Headers;
            OeRequestHeaders headers = GetRequestHeaders(requestHeaders, _httpContext.Response);

            if (odataUri.Path.LastSegment is OperationImportSegment)
            {
                return(ExecutePost(refModel, odataUri, headers, _httpContext.Request.Body));
            }
            else
            {
                return(ExecuteGet(refModel, odataUri, headers, source));
            }
        }
Beispiel #4
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        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));
                    Infrastructure.AsyncEnumeratorHelper.GetResult(batchWriter.WriteOperationAsync(context.HttpContext.Response.Body, operation));
                }
                finally
                {
                    dataAdapter.CloseDataContext(dataContext);
                }
            }
        }
 public static async Task Get(HttpContext httpContext, Query.OeModelBoundProvider?modelBoundProvider = null)
 {
     var parser = new OeParser(UriHelper.GetBaseUri(httpContext.Request), httpContext.GetEdmModel(), modelBoundProvider, null);
     OeRequestHeaders headers = GetRequestHeaders(httpContext.Request.Headers, httpContext.Response);
     await parser.ExecuteGetAsync(UriHelper.GetUri(httpContext.Request), headers, httpContext.Response.Body, httpContext.RequestAborted).ConfigureAwait(false);
 }
        protected virtual async Task BatchCore()
        {
            var actionDescriptors    = GetService <IActionDescriptorCollectionProvider>().ActionDescriptors;
            var actionInvokerFactory = GetService <IActionInvokerFactory>();

            String basePath = "";

            if (base.HttpContext.Request.PathBase.HasValue)
            {
                basePath = base.HttpContext.Request.PathBase;
            }
            else
            {
                int i = base.HttpContext.Request.Path.Value.IndexOf('/', 1);
                if (i > 0)
                {
                    basePath = base.HttpContext.Request.Path.Value.Substring(0, i);
                }
            }
            Uri baseUri = UriHelper.GetBaseUri(base.Request);

            OeBatchMessage batchMessage = OeBatchMessage.CreateBatchMessage(EdmModel, baseUri, base.HttpContext.Request.Body, base.HttpContext.Request.ContentType);
            OeDataAdapter  dataAdapter  = null;
            Object         dataContext  = null;

            try
            {
                IEdmModel refModel = null;
                foreach (OeOperationMessage operation in batchMessage.Changeset)
                {
                    if (dataContext == null)
                    {
                        refModel    = EdmModel.GetEdmModel(operation.EntitySet.Container);
                        dataAdapter = refModel.GetDataAdapter(operation.EntitySet.Container);
                        dataContext = dataAdapter.CreateDataContext();
                    }

                    OeEntitySetAdapter entitySetAdapter = refModel.GetEntitySetAdapter(operation.EntitySet);
                    String             path             = basePath + "/" + entitySetAdapter.EntitySetName;

                    List <ActionDescriptor> candidates = OeRouter.SelectCandidates(actionDescriptors.Items, base.RouteData.Values, path, operation.Method);
                    if (candidates.Count > 1)
                    {
                        throw new AmbiguousActionException(String.Join(Environment.NewLine, candidates.Select(c => c.DisplayName)));
                    }
                    if (candidates.Count == 0)
                    {
                        throw new InvalidOperationException("Action " + operation.Method + " for controller " + basePath + " not found");
                    }

                    Object entity;
                    if (operation.Method == ODataConstants.MethodPatch)
                    {
                        var properties = new Dictionary <String, Object>();
                        foreach (ODataProperty odataProperty in operation.Entry.Properties)
                        {
                            PropertyInfo propertyInfo = entitySetAdapter.EntityType.GetProperty(odataProperty.Name);
                            properties[odataProperty.Name] = OeEdmClrHelper.GetClrValue(propertyInfo.PropertyType, odataProperty.Value);
                        }
                        entity = properties;
                    }
                    else
                    {
                        entity = OeEdmClrHelper.CreateEntity(entitySetAdapter.EntityType, operation.Entry);
                    }

                    var modelState = new OeBatchFilterAttributeAttribute.BatchModelStateDictionary()
                    {
                        Entity      = entity,
                        DataContext = new OeDataContext(entitySetAdapter, refModel, dataContext, operation)
                    };
                    OnBeforeInvokeController(modelState.DataContext, operation.Entry);

                    var            actionContext = new ActionContext(base.HttpContext, base.HttpContext.GetRouteData(), candidates[0], modelState);
                    IActionInvoker actionInvoker = actionInvokerFactory.CreateInvoker(actionContext);
                    await actionInvoker.InvokeAsync();
                }

                await SaveChangesAsync(dataContext).ConfigureAwait(false);
            }
            finally
            {
                if (dataContext != null)
                {
                    dataAdapter.CloseDataContext(dataContext);
                }
            }

            base.HttpContext.Response.ContentType = base.HttpContext.Request.ContentType;
            var batchWriter = new OeBatchWriter(EdmModel, baseUri);

            batchWriter.Write(base.HttpContext.Response.Body, batchMessage);
        }