Base Bookshelf Model

base.js

'use strict';

const _ = require('lodash');

module.exports = bookshelf => {
  return bookshelf.Model.extend({
    hasTimestamps: true,

    initialize() {
      this.on('saving', this.beforeSave);
      this.on('saved', this.afterSave);
      this.on('creating', this.beforeCreate);
      this.on('created', this.afterCreate);
      this.on('updating', this.beforeUpdate);
      this.on('updated', this.afterUpdate);
    },

    format() {
      const format = {};

      if (this.isSaving && this.formatSave) {
        _.merge(format, this.formatSave.apply(this, arguments));
      }

      if (this.isCreating && this.formatCreate) {
        _.merge(format, this.formatCreate.apply(this, arguments));
      }

      if (this.isUpdating && this.formatUpdate) {
        _.merge(format, this.formatUpdate.apply(this, arguments));
      }

      return format;
    },

    beforeSave() {
      this.isSaving = true;
    },

    afterSave() {
      this.isSaving = false;
    },

    beforeCreate() {
      this.isCreating = true;
    },

    afterCreate() {
      this.isCreating = false;
    },

    beforeUpdate() {
      this.isUpdating = true;
    },

    afterUpdate() {
      this.isUpdating = false;
    },
  });
};