mission.core/lib/database/repository.js

mission core

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const vendor_1 = require("../vendor");
class Repository {
    constructor(Dal, Models, Logger) {
        this.Dal = Dal;
        this.Models = Models;
        this.Logger = Logger;
    }
    static get Instance() {
        if (!this.singleton) {
            throw new Error(`Repository is not initialized. Please call 'Repository.init' method on bootstrap the application.`);
        }
        return this.singleton;
    }
    static init(config, modelPatterns, logger) {
        // (SequelizeStatic as any).cls = cls.createNamespace("sequelize-transaction");
        const dal = new vendor_1.Sequelize(config);
        const models = {};
        logger.log('Model file pattern to load ', modelPatterns);
        const files = Repository.getFiles(modelPatterns);
        logger.log('Loading model files...', files);
        files.forEach((file) => {
            const model = dal.import(file);
            models[model.name] = model;
        });
        Object.keys(models)
            .forEach((modelName) => {
            if (typeof models[modelName].associate === 'function') {
                models[modelName].associate(models);
            }
        });
        this.singleton = new Repository(dal, models, logger);
        return this.singleton;
    }
    static getFiles(patterns) {
        let results = [];
        if (patterns && patterns.length > 0) {
            patterns.forEach((pattern) => {
                results = results.concat(vendor_1.glob.sync(pattern, { sync: true }));
            });
        }
        return results;
    }
}
exports.Repository = Repository;
// TODO:Move to App Start up file.
// const Repo = new Repository(DbConfig, StartUpLogger);
// export const Models = Repo.Models;
// export const Dal = Repo.Dal;
/*
https://github.com/sequelize/express-example
*/