ForestAdmin/lumber

const fs = require('fs');
const path = require('path');
{{#if isMongoDB}}
const Mongoose = require('mongoose');
{{else}}
const Sequelize = require('sequelize');
{{/if}}

const databasesConfiguration = require('../config/databases');

const connections = {};
const db = {};

databasesConfiguration.forEach((databaseInfo) => {
  {{#if isMongoDB}}
  const connection = Mongoose.createConnection(databaseInfo.connection.url, databaseInfo.connection.options);
  {{else}}
  const connection = new Sequelize(databaseInfo.connection.url, databaseInfo.connection.options);
  {{/if}}
  connections[databaseInfo.name] = connection;

  const modelsDir = databaseInfo.modelsDir || path.join(__dirname, databaseInfo.name);
  fs
    .readdirSync(modelsDir)
    .filter((file) => file.indexOf('.') !== 0 && file !== 'index.js')
    .forEach((file) => {
      try {
        {{#if isMongoDB}}
        const model = require(path.join(modelsDir, file))(connection, Mongoose);
        db[model.modelName] = model;
        {{else}}
        const model = connection.import(path.join(modelsDir, file));
        db[model.name] = model;
        {{/if}}
      } catch (error) {
        console.error(`Model creation error: ${error}`);
      }
    });
});
{{#unless isMongoDB}}

Object.keys(db).forEach((modelName) => {
  if ('associate' in db[modelName]) {
    db[modelName].associate(db);
  }
});
{{/unless}}

{{#if isMongoDB}}
db.objectMapping = Mongoose;
{{else}}
db.objectMapping = Sequelize;
{{/if}}
db.connections = connections;

module.exports = db;