mvc-express-mongoose/index.js

Mongoose model loader for mvc-express

'use strict';

const path = require('path');
const mongoose = require('mongoose');
const env = process.env.NODE_ENV || 'development';

module.exports = modelLoader;

function modelLoader(config) {

    // make db connection
    config = config[env];
    const endpoint = config.env_variable 
        ? process.env[config.env_variable] 
        : config.db.endpoint;

    // set promise lib
    mongoose.Promise = global.Promise;

    // Don't take up the default mongoose connection
    let conn = mongoose.createConnection(endpoint);

    const db = {
        Mongoose: mongoose,
        connection: conn,
        models: {}
    };

    // model loader function
    return (modelPaths, services, options) => {
        modelPaths.forEach(thePath => {
            const Model = require(thePath)(db, services, options);
            let modelName = Model.modelName;

            if (!modelName) {
                modelName = path.basename(thePath, '.model.js');
                console.log('Model.modelName not found, using', modelName);
            }

            db.models[modelName] = Model;
        });

        return db;
    };
}