@neo4j/graphql
Version:
A GraphQL to Cypher query execution layer for Neo4j and JavaScript GraphQL implementations
102 lines • 4.14 kB
JavaScript
;
/*
* Copyright (c) "Neo4j"
* Neo4j Sweden AB [http://neo4j.com]
*
* This file is part of Neo4j.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
Object.defineProperty(exports, "__esModule", { value: true });
exports.UNSUPPORTED_REASON_CONNECT = exports.UNSUPPORTED_REASON_POPULATED_BY = exports.UNSUPPORTED_REASON_ABSTRACT_TYPES = exports.UNSUPPORTED_REASON_SUBSCRIPTION = void 0;
exports.isUnwindCreateSupported = isUnwindCreateSupported;
const utils_1 = require("../../../../utils/utils");
const is_concrete_entity_1 = require("../../utils/is-concrete-entity");
exports.UNSUPPORTED_REASON_SUBSCRIPTION = "Unwind create optimization does not yet support subscriptions";
exports.UNSUPPORTED_REASON_ABSTRACT_TYPES = "Abstract types are not yet supported";
exports.UNSUPPORTED_REASON_POPULATED_BY = "Annotation: populatedBy is not yet supported";
exports.UNSUPPORTED_REASON_CONNECT = "Operation: connect is not yet supported";
const SUPPORTED = {
isSupported: true,
reason: "",
};
function isUnwindCreateSupported(entityAdapter, createArgs, context) {
const isConcreteEntity = checkIsConcreteEntity(entityAdapter);
if (!isConcreteEntity.isSupported) {
return isConcreteEntity;
}
(0, is_concrete_entity_1.assertIsConcreteEntity)(entityAdapter);
const unsupportedAnnotation = checkUnsupportedAnnotations(entityAdapter);
if (!unsupportedAnnotation.isSupported) {
return unsupportedAnnotation;
}
for (let createArg of createArgs) {
if (createArg["node"]) {
// top level path does not contains node, apart from that the parsing will be the same.
createArg = createArg["node"];
}
const entries = Object.entries(createArg);
for (const [key, value] of entries) {
const relationship = entityAdapter.relationships.get(key);
if (relationship) {
const isOperationSupported = checkOperation(value);
if (!isOperationSupported.isSupported) {
return isOperationSupported;
}
const unsupportedAnnotation = checkUnsupportedAnnotations(relationship);
if (!unsupportedAnnotation.isSupported) {
return unsupportedAnnotation;
}
const target = relationship.target;
const isNestedSupported = isUnwindCreateSupported(target, (0, utils_1.asArray)(value.create), context);
if (!isNestedSupported.isSupported) {
return isNestedSupported;
}
}
}
}
return {
isSupported: true,
reason: "",
};
}
function checkIsConcreteEntity(entityAdapter) {
if (!(0, is_concrete_entity_1.isConcreteEntity)(entityAdapter)) {
return {
isSupported: false,
reason: exports.UNSUPPORTED_REASON_ABSTRACT_TYPES,
};
}
return SUPPORTED;
}
function checkUnsupportedAnnotations(concreteEntity) {
for (const attribute of concreteEntity.attributes.values()) {
if (attribute.annotations.populatedBy && attribute.annotations.populatedBy.operations.includes("CREATE")) {
return {
isSupported: false,
reason: exports.UNSUPPORTED_REASON_POPULATED_BY,
};
}
}
return SUPPORTED;
}
function checkOperation(args) {
if (args.connect) {
return {
isSupported: false,
reason: exports.UNSUPPORTED_REASON_CONNECT,
};
}
return SUPPORTED;
}
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