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node-orm2 plugin to provide automatic timestamping support for models
JavaScript
branch: master

Readme.md

NodeJS ORM Modification Timestamps

This plugin adds the ability to keep track of created_at and modified_at properties on models defined using the node-orm2 module.

Install

npm install orm-timestamps

Dependencies

You'll need orm to use this plugin, but other than that there are no external dependencies.

DBMS Support

Any driver supported by ORM is supported by this plugin.

Example

var orm = require('orm'),
    modts = require('orm-timestamps');

orm.connect("mysql://username:password@host/database", function(err, db) {
    if(err) throw err;

    db.use(modts, {
        createdProperty: 'created_at',
        modifiedProperty: 'modified_at',
        expireProperty: false,
        dbtype: { type: 'date', time: true },
        now: function() { return new Date(); },
        expire: function() { var d = new Date(); return d.setMinutes(d.getMinutes() + 60); },
        persist: true
    });

    var user = db.define('user', {
        username: String,
        email: String,
        password: String
    }, {
        id: 'username',
        timestamp: true
    });

    var userDetails = db.define('user_details', {
        username: String,
        first_name: String,
        last_name: String
    }, {
        id: 'username',
        timestamp: {
            createdProperty: false
        }
    });
});

Options

  • createdProperty string|false Determines the name of the property use to store the created timestamp (default "created_at"). If set to false, disables this property.
  • modifiedProperty string|false Determines the name of the property used to store the modified timestamp (default "modified_at"). If set to false, disables this property.
  • expireProperty string|false Determines the name of the property used to store the expiry timestamp for example "expires_at" (default false). If set to false, disables this property.
  • dbtype object Allows you to set the type of column used by the DB to allow for custom data types (default { type: 'date', time: true }).
  • now function Allows you to specify a custom function used to set the current time data for the database (default function() { return new Date(); }).
  • expire function Allows you to specify a custom function used to set the expiry time data for the database (default function() { var d = new Date(); d.setMinutes(d.getMinutes() + 60); return d; }).
  • persist boolean Used to prevent creation and modification timestamps from being stored in the database (default true).

Features

  • Easy to add creation, modification and expiration date/time information to your models
  • Highly customizable
  • Supports existing beforeCreate/beforeSave hooks through the use of a robust wrapper function
  • Allows values to be stored "in-memory" if usage scenarios don't require them to be stored in the database.
  • Allows custom options to be set on a per-table basis if needed
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