示例#1
0
        void ExecuteSelectionSet(ModifiableSelectionSet ss, __Type objectType, Object objectValue,
                                 Dictionary <string, Object> variableValues)
        {
            var visitedFragments = new Dictionary <string, GraphQLParser.FragmentDefinitionContext>();
            var groupedFieldSet  = CollectFields(objectType, ss, variableValues, visitedFragments);
            var resultMap        = new OrderedDictionary <string, object>();

            foreach (string responseKey in groupedFieldSet.Keys)
            {
                var fields    = groupedFieldSet[responseKey] as List <GraphQLParser.FieldContext>;
                var fieldName = fields.First().fieldName().GetText();

                var field = objectType.GetField((x) => x.name == fieldName);

                if (field == null)
                {
                    if (fieldName == "__schema")
                    {
                        IsSchemaQuery = true;
                        field         = schema.GetType("__SchemaContainer").GetField((x) => x.name == "__schema");
                        objectValue   = schema;
                        objectType    = schema.GetType("__SchemaContainer");
                    }
                    else
                    {
                        continue;
                    }
                }

                var fieldType = field.type;


                if (objectType.kind == __TypeKind.UNION)
                {
                    if (field.parentType.dotNetType != objectValue.GetType())
                    {
                        continue;
                    }

                    ExecuteField(fields.First(), field.parentType, objectValue, fieldType, fields, variableValues,
                                 visitedFragments);
                }
                else
                {
                    ExecuteField(fields.First(), objectType, objectValue, fieldType, fields, variableValues,
                                 visitedFragments);
                }
            }
        }
示例#2
0
        ModifiableSelectionSet MergeSelectionSets(List <GraphQLParser.FieldContext> fields)
        {
            if (fields.Count() == 1 && fields.First().selectionSet() != null)
            {
                return(new ModifiableSelectionSet(fields.First().selectionSet()));
            }

            ModifiableSelectionSet ms = new ModifiableSelectionSet();

            foreach (var c in fields)
            {
                if (c.selectionSet() != null)
                {
                    foreach (var g in c.selectionSet().selection())
                    {
                        ms.selections.Add(g);
                    }
                }
            }
            return(ms);
        }
示例#3
0
        public OrderedDictionary <string, List <GraphQLParser.FieldContext> > CollectFields(__Type objectType,
                                                                                            ModifiableSelectionSet ss,
                                                                                            Dictionary <string, Object> variableValues,
                                                                                            Dictionary <string, GraphQLParser.FragmentDefinitionContext> visitedFragments)
        {
            var groupedFields = new OrderedDictionary <string, List <GraphQLParser.FieldContext> >();

            foreach (var s in ss.selections)
            {
                if (s.field() != null)
                {
                    if (skipDirective(s.field()))
                    {
                        continue;
                    }

                    if (!includeDirective(s.field()))
                    {
                        continue;
                    }

                    var responseKey = s.field().fieldName().GetText();
                    if (groupedFields.ContainsKey(responseKey) == false)
                    {
                        groupedFields[responseKey] = new List <GraphQLParser.FieldContext>();
                    }
                    groupedFields[responseKey].Add(s.field());
                }
                else if (s.fragmentSpread() != null)
                {
                    var fragmentSpreadName = s.fragmentSpread().fragmentName().GetText();
                    if (visitedFragments.ContainsKey(fragmentSpreadName))
                    {
                        continue;
                    }

                    var fragment = GetFragments(x => x.fragmentName().GetText() == fragmentSpreadName).FirstOrDefault();
                    if (fragment == null)
                    {
                        continue;
                    }

                    var fragmentTypeName = fragment.typeCondition().typeName().GetText();

                    var fragmentType = schema.GetType(fragmentTypeName);

                    if (!DoesFragmentTypeApply(objectType, fragmentType, fragment))
                    {
                        continue;
                    }

                    var fragmentSelectionSet    = new ModifiableSelectionSet(fragment.selectionSet());
                    var fragmentGroupedFieldSet = CollectFields(objectType, fragmentSelectionSet, variableValues,
                                                                visitedFragments);

                    foreach (string responseKey in fragmentGroupedFieldSet.Keys)
                    {
                        if (groupedFields.ContainsKey(responseKey) == false)
                        {
                            groupedFields[responseKey] = new List <GraphQLParser.FieldContext>();
                        }
                        groupedFields[responseKey].AddRange(fragmentGroupedFieldSet[responseKey]);
                    }
                }
                else if (s.inlineFragment() != null)
                {
                    var fragmentType = schema.GetType(s.inlineFragment().typeCondition().GetText());
                    if (fragmentType != null && !DoesFragmentTypeApply(objectType, fragmentType, s.inlineFragment()))
                    {
                        continue;
                    }
                    var fragmentSelectionSet    = new ModifiableSelectionSet(s.inlineFragment().selectionSet());
                    var fragmentGroupedFieldSet = CollectFields(objectType, fragmentSelectionSet, variableValues,
                                                                visitedFragments);

                    foreach (string responseKey in fragmentGroupedFieldSet.Keys)
                    {
                        if (groupedFields.ContainsKey(responseKey) == false)
                        {
                            groupedFields[responseKey] = new List <GraphQLParser.FieldContext>();
                        }
                        groupedFields[responseKey].AddRange(fragmentGroupedFieldSet[responseKey]);
                    }
                }
            }
            return(groupedFields);
        }