alphascript-server/lib/db/mongo/common.js

CRUD operations for mongo and other functionalities to get started quickly in any CMS project

var api = require('../../../');
var version = require('../../util/version');
var _schema;

function common() {
  _schema = require('./schema')(api.options.mongoose);
}

common.prototype.add = function (schema) {
  for (var key in schema) {
    if (typeof _schema[key] !== 'undefined') {
      console.log(key + ' in common db overwritten');
    }

    _schema[key] = schema[key];
  }
};

common.prototype.disconnect = function (callback) {
  this.connection.close(callback);
};

common.prototype.init = function () {
  var connection = api.options.mongoose.createConnection(api.options.common, api.mongoOptions());

  connection.on('connected', function () {
    console.log('api common db connected successfully');
  });

  connection.on('error', function (err) {
    api.error.log('api common db error:' + err);
  });

  connection.on('disconnected', function () {
    delete connection;
    console.log('api common db disconnected');
  });

  connection.on('open', function () {
    console.log('api common db openned, setting up versioning collections');
  });

  this.connection = connection;

  for (var key in _schema) {
    var modelName = key[0].toUpperCase() + key.substring(1);
    var collectionName = key + '_history';

    var schema = new api.options.mongoose.Schema(_schema[key], api.schemaOptions());
    schema.post('save', api.error.mongoHandler);
    schema.post('update', api.error.mongoHandler);
    schema.post('findOneAndUpdate', api.error.mongoHandler);
    schema.post('insertMany', api.error.mongoHandler);
    schema.plugin(version, { mongoose: api.options.mongoose, connection: connection, collection: collectionName });

    this[modelName] = connection.model(key, schema);
    this[modelName].on('index', function(err) {
      if (err) return console.error('error on ' + this.modelName);
    });
  }
};

module.exports = exports = new common;