@neo4j/graphql
Version:
A GraphQL to Cypher query execution layer for Neo4j and JavaScript GraphQL implementations
61 lines • 2.85 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.
*/
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.FulltextSelection = void 0;
const cypher_builder_1 = __importDefault(require("@neo4j/cypher-builder"));
const map_labels_with_context_1 = require("../../../../schema-model/utils/map-labels-with-context");
const QueryASTContext_1 = require("../QueryASTContext");
const EntitySelection_1 = require("./EntitySelection");
class FulltextSelection extends EntitySelection_1.EntitySelection {
constructor({ target, fulltextOptions, scoreVariable, }) {
super();
this.target = target;
this.fulltextOptions = fulltextOptions;
this.scoreVariable = scoreVariable;
}
apply(context) {
const node = new cypher_builder_1.default.Node();
const phraseParam = new cypher_builder_1.default.Param(this.fulltextOptions.phrase);
const indexName = new cypher_builder_1.default.Literal(this.fulltextOptions.index.indexName);
const fulltextClause = cypher_builder_1.default.db.index.fulltext
.queryNodes(indexName, phraseParam)
.yield(["node", node], ["score", this.scoreVariable]);
const expectedLabels = (0, map_labels_with_context_1.mapLabelsWithContext)(this.target.getLabels(), context.neo4jGraphQLContext);
const whereOperators = expectedLabels.map((label) => {
return cypher_builder_1.default.in(new cypher_builder_1.default.Param(label), cypher_builder_1.default.labels(node));
});
fulltextClause.where(cypher_builder_1.default.and(...whereOperators));
return {
selection: fulltextClause,
nestedContext: new QueryASTContext_1.QueryASTContext({
target: node,
neo4jGraphQLContext: context.neo4jGraphQLContext,
returnVariable: context.returnVariable,
env: context.env,
shouldCollect: context.shouldCollect,
}),
};
}
}
exports.FulltextSelection = FulltextSelection;
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