@neo4j/graphql
Version:
A GraphQL to Cypher query execution layer for Neo4j and JavaScript GraphQL implementations
70 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.vectorResolver = vectorResolver;
const translate_1 = require("../../../translate");
const utils_1 = require("../../../utils");
const get_neo4j_resolve_tree_1 = __importDefault(require("../../../utils/get-neo4j-resolve-tree"));
const utils_2 = require("../../../utils/utils");
const pagination_1 = require("../../pagination");
const empty_connection_1 = require("./empty-connection");
function vectorResolver({ vectorContext, entityAdapter, }) {
return async function resolve(_root, args, context, info) {
context.vector = vectorContext;
const resolveTree = (0, get_neo4j_resolve_tree_1.default)(info, { args });
resolveTree.args.options = {
sort: resolveTree.args.sort,
limit: resolveTree.args.limit,
offset: resolveTree.args.offset,
};
const { cypher, params } = (0, translate_1.translateRead)({
context: { ...context, resolveTree },
entityAdapter,
varName: "this",
});
const executeResult = await (0, utils_1.execute)({
cypher,
params,
defaultAccessMode: "READ",
context,
info,
});
if (!executeResult.records[0]) {
return { [entityAdapter.operations.rootTypeFieldNames.connection]: empty_connection_1.emptyConnection };
}
const record = executeResult.records[0].this;
const totalCount = (0, utils_2.isNeoInt)(record.totalCount) ? record.totalCount.toNumber() : record.totalCount;
const connection = (0, pagination_1.createConnectionWithEdgeProperties)({
selectionSet: resolveTree,
source: { edges: record.edges },
args: { first: args.first, after: args.after },
totalCount,
});
return {
totalCount,
edges: connection.edges,
pageInfo: connection.pageInfo,
};
};
}
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