data-pipeline-information-system-sparql/dist/Query.V2/generateBody.js

Sparql function to query/update RDF through SPARQL 1.1

"use strict";
var __assign = (this && this.__assign) || function () {
    __assign = Object.assign || function(t) {
        for (var s, i = 1, n = arguments.length; i < n; i++) {
            s = arguments[i];
            for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
                t[p] = s[p];
        }
        return t;
    };
    return __assign.apply(this, arguments);
};
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
var sparqljs_1 = __importDefault(require("sparqljs"));
var prefixes = {};
function generateBody(definition) {
    prefixes = {};
    var out_query = _generateBody(definition);
    var generator = new sparqljs_1.default.Generator(prefixes);
    console.log(out_query);
    return generator.stringify(out_query);
}
exports.generateBody = generateBody;
function _generateBody(definition) {
    var coreQuery = definition.query;
    prefixes = __assign({}, prefixes, definition.query.prefixes);
    definition.query.prefixes = {};
    Object.keys(definition.subQuery).forEach(function (refAttribute) {
        var subDefinition = definition.subQuery[refAttribute];
        var subQuery = subDefinition.query;
        var parser = new sparqljs_1.default.Parser();
        var _res = parser.parse("\n        SELECT (?" + subDefinition.primaryKey + " AS ?" + refAttribute + "_pKey) WHERE {\n            ?uri a ?thing\n        }");
        (subQuery.variables).push(_res.variables[0]);
        subQuery.variables[0].variable = ('?' + refAttribute);
        _generateBody(subDefinition);
        var addGroup = {
            type: 'group',
            patterns: [
                subQuery
            ]
        };
        coreQuery.where.push(addGroup);
    });
    return coreQuery;
}
exports.default = generateBody;
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