client.js

"use strict";
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
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};
var __generator = (this && this.__generator) || function (thisArg, body) {
    var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
    return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
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};
Object.defineProperty(exports, "__esModule", { value: true });
exports.DgraphClient = void 0;
exports.isJwtExpired = isJwtExpired;
exports.deleteEdges = deleteEdges;
var messages = require("../generated/api_pb");
var errors_1 = require("./errors");
var txn_1 = require("./txn");
var types = require("./types");
var util_1 = require("./util");
var DgraphClient = (function () {
    function DgraphClient() {
        var clients = [];
        for (var _i = 0; _i < arguments.length; _i++) {
            clients[_i] = arguments[_i];
        }
        this.debugMode = false;
        if (clients.length === 0) {
            throw errors_1.ERR_NO_CLIENTS;
        }
        this.clients = clients;
    }
    DgraphClient.prototype.alter = function (op, metadata, options) {
        return __awaiter(this, void 0, void 0, function () {
            var c, payload, operation, e_1, pl;
            var _this = this;
            return __generator(this, function (_a) {
                switch (_a.label) {
                    case 0:
                        this.debug("Alter request:\n".concat((0, util_1.stringifyMessage)(op)));
                        c = this.anyClient();
                        operation = function () { return __awaiter(_this, void 0, void 0, function () { return __generator(this, function (_a) {
                            return [2, c.alter(op, metadata, options)];
                        }); }); };
                        _a.label = 1;
                    case 1:
                        _a.trys.push([1, 3, , 8]);
                        return [4, operation()];
                    case 2:
                        payload = _a.sent();
                        return [3, 8];
                    case 3:
                        e_1 = _a.sent();
                        if (!(isJwtExpired(e_1) === true)) return [3, 6];
                        return [4, c.retryLogin(metadata, options)];
                    case 4:
                        _a.sent();
                        return [4, operation()];
                    case 5:
                        payload = _a.sent();
                        return [3, 7];
                    case 6: throw e_1;
                    case 7: return [3, 8];
                    case 8:
                        pl = types.createPayload(payload);
                        this.debug("Alter response:\n".concat((0, util_1.stringifyMessage)(pl)));
                        return [2, pl];
                }
            });
        });
    };
    DgraphClient.prototype.newTxn = function (txnOpts) {
        return new txn_1.Txn(this, txnOpts);
    };
    DgraphClient.prototype.setDebugMode = function (mode) {
        if (mode === void 0) { mode = true; }
        this.debugMode = mode;
    };
    DgraphClient.prototype.debug = function (msg) {
        if (this.debugMode) {
            console.log(msg);
        }
    };
    DgraphClient.prototype.anyClient = function () {
        return this.clients[Math.floor(Math.random() * this.clients.length)];
    };
    return DgraphClient;
}());
exports.DgraphClient = DgraphClient;
function isJwtExpired(err) {
    if (!err) {
        return false;
    }
    return (0, util_1.isUnauthenticatedError)(err);
}
function deleteEdges(mu, uid) {
    var predicates = [];
    for (var _i = 2; _i < arguments.length; _i++) {
        predicates[_i - 2] = arguments[_i];
    }
    for (var _a = 0, predicates_1 = predicates; _a < predicates_1.length; _a++) {
        var predicate = predicates_1[_a];
        var nquad = new messages.NQuad();
        nquad.setSubject(uid);
        nquad.setPredicate(predicate);
        var ov = new messages.Value();
        ov.setDefaultVal("_STAR_ALL");
        nquad.setObjectValue(ov);
        mu.addDel(nquad);
    }
}