Exemplo n.º 1
0
        internal OrderByQueryOption(string rawValue, ODataQueryContext context, string applyRaw)
        {
            if (context == null)
            {
                throw Error.ArgumentNull("context");
            }

            if (String.IsNullOrEmpty(rawValue))
            {
                throw Error.ArgumentNullOrEmpty("rawValue");
            }

            if (applyRaw == null)
            {
                throw Error.ArgumentNullOrEmpty("applyRaw");
            }

            Context            = context;
            RawValue           = rawValue;
            Validator          = OrderByQueryValidator.GetOrderByQueryValidator(context);
            _queryOptionParser = new ODataQueryOptionParser(
                context.Model,
                context.ElementType,
                context.NavigationSource,
                new Dictionary <string, string> {
                { "$orderby", rawValue }, { "$apply", applyRaw }
            });
            _queryOptionParser.ParseApply();
        }
Exemplo n.º 2
0
        public IQueryable DoQuery(string value)
        {
            string             queryOption = "$apply";
            var                data        = TestDataSource.CreateData();
            ODataQuerySettings settings    = new ODataQuerySettings()
            {
                PageSize = 2000, HandleNullPropagation = HandleNullPropagationOption.False
            };
            var model   = TestModelBuilder.CreateModel(new Type[] { typeof(Category), typeof(Product), typeof(Sales) });
            var context = new ODataQueryContext(model, typeof(Sales), new ODataPath(new ODataPathSegment[] { new EntitySetPathSegment("Sales") }));

            IEdmNavigationSource source = model.FindDeclaredEntitySet("Sales");
            var parser = new ODataQueryOptionParser(model,
                                                    model.FindDeclaredType("System.Web.OData.Aggregation.Tests.Common.Sales"),
                                                    source,
                                                    new Dictionary <string, string>()
            {
                { queryOption, value }
            });

            var applyClause  = parser.ParseApply();
            var filterClause = applyClause.Transformations.First().Item2 as ApplyFilterClause;

            var filter = new FilterImplementation()
            {
                Context = context
            };

            return(filter.DoFilter(data, filterClause, settings, parser));
        }
        private ApplyClause CreateApplyNode(string clause, IEdmModel model, Type entityType)
        {
            IEdmEntityType productType = model.SchemaElements.OfType <IEdmEntityType>().Single(t => t.Name == entityType.Name);

            Assert.NotNull(productType); // Guard

            IEdmEntitySet products = model.EntityContainer.FindEntitySet("Products");

            Assert.NotNull(products); // Guard

            ODataQueryOptionParser parser = new ODataQueryOptionParser(model, productType, products,
                                                                       new Dictionary <string, string> {
                { "$apply", clause }
            });

            return(parser.ParseApply());
        }
Exemplo n.º 4
0
        private static void GetGroupByParams(string value, out IQueryable data, out ODataQueryContext context, out ODataQuerySettings settings,
                                             out ApplyGroupbyClause groupByClause, out DefaultAssembliesResolver assembliesResolver,
                                             out GroupByImplementation groupByImplementation, out Type keyType, out IEnumerable <LambdaExpression> propertiesToGroupByExpressions)
        {
            string queryOption = "$apply";

            data     = TestDataSource.CreateData();
            settings = new ODataQuerySettings()
            {
                PageSize = 2000,
                HandleNullPropagation = HandleNullPropagationOption.False
            };
            var _settings = settings;

            var model = TestModelBuilder.CreateModel(new Type[] { typeof(Category), typeof(Product), typeof(Sales) });

            context = new ODataQueryContext(model, typeof(Sales),
                                            new ODataPath(new ODataPathSegment[] { new EntitySetPathSegment("Sales") }));
            var _context = context;

            IEdmNavigationSource source = model.FindDeclaredEntitySet("Sales");
            var parser = new ODataQueryOptionParser(model,
                                                    model.FindDeclaredType("System.Web.OData.Aggregation.Tests.Common.Sales"),
                                                    source,
                                                    new Dictionary <string, string>()
            {
                { queryOption, value }
            });

            var applyCaluse = parser.ParseApply();

            groupByClause      = applyCaluse.Transformations.First().Item2 as ApplyGroupbyClause;
            assembliesResolver = new DefaultAssembliesResolver();
            var _assembliesResolver = assembliesResolver;

            groupByImplementation = new GroupByImplementation()
            {
                Context = context
            };
            keyType = groupByImplementation.GetGroupByKeyType(groupByClause);
            var entityParam = Expression.Parameter(context.ElementClrType, "$it");

            propertiesToGroupByExpressions = groupByClause.SelectedPropertiesExpressions.Select(
                exp =>
                FilterBinder.Bind(exp, _context.ElementClrType, _context.Model, _assembliesResolver, _settings, entityParam));
        }
        public QueryDescription <T> Parse <T>()
        {
            var model    = GetCachedEdmModel(typeof(T));
            var entities = model.FindDeclaredNavigationSource("Entities");
            var parser   = new ODataQueryOptionParser(model, entities.EntityType(),
                                                      entities, Dictionary);

            var filter  = Filter == null ? null : parser.ParseFilter();
            var orderby = OrderBy == null ? null : parser.ParseOrderBy();
            var search  = Search == null ? null : parser.ParseSearch();
            var apply   = Apply == null ? null : parser.ParseApply();

            var result = new QueryDescription <T>()
            {
                Skip     = Skip == null ? 0 : parser.ParseSkip() ?? 0,
                Take     = Top == null ? null : parser.ParseTop(),
                Filter   = ParseFilter(filter),
                Sorting  = ParseOrderBy(orderby),
                Search   = ParseSearch(search),
                Grouping = ParseApply(apply)
            };

            if (result.Take == null)
            {
                result.Page = result.Skip == 0 ? 1 : 2;
            }
            else
            {
                result.Page = (result.Skip / result.Take.Value) + 1;
                if (result.Skip % result.Take.Value > 0)
                {
                    result.Page++;
                }
            }
            return(result);
        }
Exemplo n.º 6
0
        internal void AddAutoSelectExpandProperties()
        {
            bool containsAutoSelectExpandProperties = false;
            var  autoExpandRawValue = GetAutoExpandRawValue();
            var  autoSelectRawValue = GetAutoSelectRawValue();

            IDictionary <string, string> queryParameters = GetODataQueryParameters();

            if (!String.IsNullOrEmpty(autoExpandRawValue) && !autoExpandRawValue.Equals(RawValues.Expand))
            {
                queryParameters["$expand"]         = autoExpandRawValue;
                containsAutoSelectExpandProperties = true;
            }
            else
            {
                autoExpandRawValue = RawValues.Expand;
            }

            if (!String.IsNullOrEmpty(autoSelectRawValue) && !autoSelectRawValue.Equals(RawValues.Select))
            {
                queryParameters["$select"]         = autoSelectRawValue;
                containsAutoSelectExpandProperties = true;
            }
            else
            {
                autoSelectRawValue = RawValues.Select;
            }

            if (containsAutoSelectExpandProperties)
            {
                _queryOptionParser = new ODataQueryOptionParser(
                    Context.Model,
                    Context.ElementType,
                    Context.NavigationSource,
                    queryParameters,
                    Context.RequestContainer
                    );
                if (Apply != null)
                {
                    _queryOptionParser.ParseApply();
                }
                if (Compute != null)
                {
                    _queryOptionParser.ParseCompute();
                }

                var originalSelectExpand = SelectExpand;
                SelectExpand = new SelectExpandQueryOption(
                    autoSelectRawValue,
                    autoExpandRawValue,
                    Context,
                    _queryOptionParser);

                var typeLevelModelSettings = EdmLibHelpers.GetModelBoundQuerySettings(this.Context.ElementType, this.Context.Model, this.Context.DefaultQuerySettings);
                SelectExpand.SelectExpandClause.AllAutoSelected = (typeLevelModelSettings != null && typeLevelModelSettings.DefaultSelectType == SelectExpandType.Automatic);

                if (originalSelectExpand != null && originalSelectExpand.LevelsMaxLiteralExpansionDepth > 0)
                {
                    SelectExpand.LevelsMaxLiteralExpansionDepth = originalSelectExpand.LevelsMaxLiteralExpansionDepth;
                }
            }
        }