gamoraa-mongostore/dist/examples/example.js

Plugin provides firestore kind of functionality but based on mongodb.

"use strict";
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
    return new (P || (P = Promise))(function (resolve, reject) {
        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
        step((generator = generator.apply(thisArg, _arguments || [])).next());
    });
};
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
const { ReplSet } = require('mongodb-topology-manager');
const { Schema, Types } = require('mongoose');
const mongoose_1 = __importDefault(require("mongoose"));
const gamoraa_1 = __importDefault(require("gamoraa"));
const mongo_store_service_1 = __importDefault(require("../src/mongo-store-service"));
const authorSchema = new Schema({
    name: { type: String, required: true },
    age: { type: Number, required: false },
    stories: [{ type: Schema.ObjectId, ref: 'storeis' }],
});
const storySchema = new Schema({
    title: { type: String, required: true },
    description: { type: String, required: false },
    rating: { type: Number, required: true },
    creator: { type: Types.ObjectId, ref: 'authors' },
});
/**
 *
 */
function startServer() {
    return __awaiter(this, void 0, void 0, function* () {
        console.log(new Date(), `mongoose version: ${mongoose_1.default.version}`);
        yield setupReplicaSet();
        const uri = 'mongodb://localhost:31000,localhost:31001,localhost:31002/test_db?replicaSet=rs0';
        const conn = yield createDatabaseConnection(uri);
        const authorModel = conn.model('authors', authorSchema);
        const storyModel = conn.model('storeis', storySchema);
        const server = new gamoraa_1.default({
            address: '0.0.0.0',
            port: 50051,
        });
        server.register(mongo_store_service_1.default, {
            connection: conn,
            modelsOptions: [
                {
                    model: authorModel,
                },
                {
                    model: storyModel,
                },
            ],
        });
        server.startInsecure();
    });
}
/**
 *
 * @param uri
 */
function createDatabaseConnection(uri) {
    return __awaiter(this, void 0, void 0, function* () {
        try {
            const conn = yield mongoose_1.default.createConnection(uri, {
                useUnifiedTopology: true,
                useNewUrlParser: true,
                useCreateIndex: true,
                poolSize: 7,
                useFindAndModify: false,
            });
            return conn;
        }
        catch (error) {
            console.log(error);
            throw error;
        }
    });
}
/**
 *
 */
function setupReplicaSet() {
    return __awaiter(this, void 0, void 0, function* () {
        const bind_ip = 'localhost';
        // Starts a 3-node replica set on ports 31000, 31001, 31002, replica set
        // name is "rs0".
        const replSet = new ReplSet('mongod', [
            {
                options: {
                    port: 31000,
                    dbpath: `${__dirname}/../../data/db/31000`,
                    bind_ip,
                },
            },
            {
                options: {
                    port: 31001,
                    dbpath: `${__dirname}/../../data/db/31001`,
                    bind_ip,
                },
            },
            {
                options: {
                    port: 31002,
                    dbpath: `${__dirname}/../../data/db/31002`,
                    bind_ip,
                },
            },
        ], { replSet: 'rs0' });
        // Initialize the replica set
        yield replSet.purge();
        yield replSet.stop();
        yield replSet.start();
        console.log(new Date(), 'Replica set started...');
    });
}
startServer()
    .then(_ => console.log('started'))
    .catch(err => console.log(err));
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