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widget-cms

1.4.1 • Public • Published

WigGet-CMS

A highly modular Node.js application framework

Build Status Depencies NPM

What is Widget-CMS?

Widget-CMS is a framework for building Node.js applications that use SQL databases. Under the hood it uses Bookshelf.js to connect to the database and supports the following databases: Postgres, MySQL, MariaDB, and SQLite. Widget-CMS follows a MVC-like architecture and is built around the following concepts - Models, Collections, Controllers, Routes, Plugins, and Widgets.

Table of Contents

How it works

When a Widget-CMS application is initialised it runs the following steps:

  1. Sets application configuration
  2. Creates a database connection through Bookshelf.js
  3. Loads all models created inside your models directory
  4. Loads all collections inside your collections directory
  5. Loads all plugins inside your plugins directory
  6. Loads all controllers inside your controllers directory
  7. Loads all widgets inside your widgets directory
  8. Sets up the express server and loads all middleware
  9. Loads all routes inside your routes directory
  10. Creates a multer instance that will be used for handling multipart forms
  11. Finally, the express server is initialised.

Software Requirements

  • SQL database (MySQL, Postgres, MariaDB, or SQLite)
  • Redis - session management
  • Node.js 14.x or greater

Getting started

  1. Install widget-cms inside your root directory: npm install widget-cms --save
  2. Create the required directories: mkdir models collections controllers widgets plugins routes
  3. Create your application entry file:
"use strict";
 
const app = require('widget-cms');
const path = require('path');
 
 
app.config({
  port: 3000, // default 3000
 
  secret: 'your_app_secret_here',
 
  saveLogs: true,  // write application logs to files
 
  db: {              // required
    client: 'mysql', // options - mysql, pg, mariasql, sqlite3
    connection: {
      host: 'localhost',
      user: 'root',
      password: '',
      database: 'widget_cms',
      charset: 'utf8'
    }
  },
 
  redis: {}, // optional - assumes {host: localhost, port: 6379}
 
  rootDir: process.cwd(), // required
 
  /**** optional
 
  viewsDir: path.join(process.cwd(), 'views'), // optional - defaults to ./views
 
  modelsDir: path.join(process.cwd(), 'views'), // optional - defaults to ./models
 
  collectionsDir: path.join(process.cwd(), 'views'), // optional - defaults to ./collections
 
  controllersDir: path.join(process.cwd(), 'views'), // optional - defaults to ./controllers
 
  widgetsDir: path.join(process.cwd(), 'views'), // optional - defaults to ./widgets
 
  pluginsDir: path.join(process.cwd(), 'views'), // optional - defaults ./plugins
 
  *****/
 
  middleware: {
    enableForms: true,
    enableCSRF: true,
    enableSessions: true
  }
});
 
app.registerMiddleware(function (req, res, next) {
  // pass user object to templates
  res.locals.user = {
    name: 'Que',
    email: 'que@widget-cms.com'
  };
 
  next();
});
 
app.start();

Models

All models should be located in the models directory. Models are created by extending the widget-cms Model object.

const App = require('widget-cms');
 
const User = App.Model.extend({
 
  tableName: 'users'
 
});
 
module.exports = App.addModel('User', User);

Widget-CMS Models have 5 special methods that you can use to handle certain events when your model is initialized:

const App = require('widget-cms');
 
const User = App.Model.extend({
 
  tableName: 'users',
 
  // called before an insert or update query
  // throw error to cancel operation
  // should return a promise for async operations
  saving: function (model, attributes, options) {
    // do validations and data transformations
  },
 
  // called before an insert query
  // throw error to cancel operation
  // should return a promise for async operations
  creating: function (model, attributes, options) {
    // do validations and data transformations
  },
 
  // called before a delete query
  // throw error to cancel operation
  // should return a promise for async operations
  destroying: function (model, attributes, options) {
    // do validations
  },
 
 
  // called after an insert or update query.
  saved: function (model, attributes, options) {
 
  },
 
  // called after an update query
  updated: function (model, attributes, options) {
 
  }
 
});
 
module.exports = App.addModel('User', User);

Collections

All collections should be located in the collections directory. Collections are created by extending the widget-cms Collection object.

const App = require('widget-cms');
const User = App.getModel('User');
 
const Users = App.Collection.extend({
 
  model: User
 
});
 
module.exports = App.addCollection('Users', Users);

Controllers

All controllers should be located in the controllers directory. Controllers are created by extending the widget-cms Controller object.

const App = require('widget-cms');
 
const UsersController = App.Controller.extend({
  getUsers: function (req, res, next) {
    let Users = App.getCollection('Users');
 
    Users.forge()
    .then(function (collection) {
      res.json(collection.toJSON());
    })
    .catch(function (error) {
      next(error);
    });
  }
});
 
module.exports = App.addController('Users', getUsers);

Routes

All routes should be located in the routes directory. Routes can be created by calling the get or post methods directly from the widget-cms object.

const App = require('widget-cms');
const UsersController = App.getController('Users');
 
App.get('/users', UsersController.getUsers);

API

The Widget-CMS API is intentionally kept small, please send open an issue for any bugs.

Methods

  • config - sets application configuration

    • @param - {Object} config - object containing configuration keys and values
    • @returns - {Object} - returns widget-cms application object
  • registerMiddleware - registers express server middleware. registered at the bottom of the middleware stack

    • @param - {Function} middleware - express server middleware function that accepts 3 params
    • @returns - {Object} - widget-cms application object
  • registerHelper - registers handlebars helpers

    • @params - {Function} fn - helper function that accepts 1 argument - a handlebars object
    • @returns - {Object} - returns widget-cms object
  • start - initializes the application and starts the server

    • @param - {Function} done - optional callback function
    • @returns - widget-cms application object
  • addCollection - add a collection to application

    • @param - {Function} middleware - express server middleware function that accepts 3 params
    • @returns - {Object} - created Bookshelf collection object
  • addModel - adds a model to application

    • @returns - {Object} - created Bookshelf model object
  • addController - adds a controller to application

    • @param - {String} name - controller name
    • @param - {Object} val - controller object
    • @returns - {Object} - the created controller object
  • hasController - checks is a controller method exists

    • @param - {String} name - controller name
    • @param - {String} method - controller method
    • @returns - {Boolean}
  • getPlugin - get a registered plugin

    • @param - {String} name - plugin name
    • @returns - {Object} - plugin object or null if not found
  • getController - gets a created controller

    • @param - {String} name - controller name
    • @param - {Object} val - controller object
    • @returns - {Object} - stored controller object
  • getControllers - gets a all stored controllers and their methods

    • @returns - {Array}
  • getModel - gets an application model

    • @param - {String} name - model name
    • @returns - {Object} - requested Model
  • getCollection - gets an application collection

    • @param - {String} name - collection name
    • @returns - {Object} - returns requested collection
  • getConfig - gets application configuration

    • @param - {String} name - config name
  • get - creates application get routes. It's syntactic sugar on top of express' get method

    • @returns - {Void}
  • post - creates application post routes. It's syntactic sugar on top express' post method

    • @returns - {Void}
  • passport - passport authentication

    • @returns - {Object} - passport object

Objects

Below is a list of application objects that are extendable.

  • Model - creates a model
  • Collection - creates a collection
  • Controller - creates a controller

Change log

Checkout changelog.md starting from v0.3.6

Testing

npm test

License

(MIT License)

Copyright (C) 2016 Qawelesizwe Mlilo qawemlilo@gmail.com

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the 'Software'), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

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npm i widget-cms

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1.4.1

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