Angular Yii - Gallery Manager.

By Spiros Kabasakalis

Overview

A Gallery Manager demo application with Yii REST backend and AngularJS frontend. The application is more involved than the typical introductory todo demo used in js frameworks. It is recommended that you have a basic knowledge of AngularJS,Grunt,and require.js before you dive into the source code.

Live Demo

Features

Upload pictures with name and description and choose collections to which they belong.
Create collections and choose their pictures.
Pictures and collections share a MANY_MANY relationship.
Create,Update and Delete images and collections.
View a gallery of the images,filtered by selected collection.

For best experience,use Chrome.Other browsers may complain here and there.Sorry,no patience to make happy every freaking browser out there!

Setup

Download and copy the project files to some public folder in your development environment. Create an empty assets folder in project root.

Backend

Create a new database and import the image,collection,collection-image tables found in protected/data/angular-yii.sql file. Optionally you can import the user_table.sql file to have a register/login functionality in your yii backend.
Define your local development domain in /index.php

   defined('LOCAL_DOMAIN') or define('LOCAL_DOMAIN','[localhost or Virtual Host]');

This will make your config.php functional both in local development and production environment.

In/index.php configure your local and/or production framework paths.
Inconfig/main.php configure your database info.Point to the database you created earlier.
Inconfig/main.php,in params array fill in the RESTusername and RESTpassword fields.They are used for basic REST authentication. Note:These credentials are sent from the client with custom headers,so your server must allow this.
Create an uploads\images\thumbnails folder structure in project webroot.You can change the names in ng-yii\src\scripts\config\constants.js,and protected\models\Image.php.

Frontend

You will need Command line tools so it would be ideal if you could use these in your IDE. For example in PHPStorm you can configure Command line tools in Settings/IDE Settings/Command Line Tool Support.

Install node.js (at least v0.8.1) with npm (Node Package Manager).
Install Grunt node package globally.In your command line console: npm install -g grunt-cli.
Install project dependencies (node packages):go to /ng-yii directory.In your command line console: npm install.
Open ng-yii/src/scripts/config/constants.js and configure the constants.Fill in X_REST_USERNAME,X_REST_PASSWORD with same values as those in config/main.php.Note that it's not mandatory to have the frontend base folder ng-yii inside the backend base folder.You can move it to a public location and just configure the YII_APP_BASE_URL accordingly,if you are using a relative url. You must serve the frontend from the same domain where the backend resides,or else you may run into security issues. In case you have to use a different domain include in your .htaccess file Access-Control-Allow-Origin and set the domains that you want to allow.
In your .htaccess file:(already included)

<IfModule mod_headers.c>
#Header always set Access-Control-Allow-Origin "*"
Header always set Access-Control-Allow-Headers "Content-Type, Authorization,
X_REST_USERNAME,X_REST_PASSWORD,X-Requested-With"
Header always set Access-Control-Allow-Methods "POST, GET,PUT,DELETE, OPTIONS"
  </IfModule>

Compiling

The frontend source files reside in /ng-yii/src folder.These are the files that you edit in your IDE.There are three main grunt-tasks configured in Gruntfile.js that compile the src folder:

grunt default(or justgrunt) will compile any html templates in your src folder and and then copy all files to a dev folder inside ng-yii.(using a temporary .temp folder as an intermediary step).dev and .temp are cleaned up every time this grunt task runs.In development you will run your app in dev folder.However it is recommended that you exclude dev and .temp folders from your IDE project directory structure, so that they don't appear in your IDE.You don't want to edit files by mistake in there only to find out that they have been deleted when you ran the task.
grunt dev is essentially the same as grunt default with the extra addition that it will watch for src file changes and re-compile on the fly.
grunt prod is the powerhouse task that really shows the power of grunt as an optimization/automation/workflow tool.This task will squash the whole scripts folder structure and all js plugins into a single javascript file and then minify it.It will do the same for all the css files. It will optimize any images found in img folder.It will bake all the partial html files in views folder into a single views.js file that will be used as cache during runtime, thus avoiding http requests to these partials.It will even minify index.html file.All the compiled files will be moved to a ng-yii/prod folder,ready for deployment. For reasons already explained,make sure you don't edit anything in prod (unless you debug of course) because the folder is cleaned up every time the task is ran.

Running the app.

Provided you use a LAMP stack in your localhost,just point your browser to dev or prod folder,after you have compiled the source. Optionally you can start a local node.js server with grunt server in command line and then point your browser to http://localhost:3005/ . The compiled app in dev folder will run.If you use a non-localhost virtual host domain for your yii backend you must take care of the cross domain security issue already mentioned above.

Tests.

The Jasmine framework is used for testing.There are 8 simple demo unit tests in two files.( in ng-yii/test/scripts/services). Just point your browser to /ng-yii/test/runner.html to run the tests.

Karma (ex-Testacular):Test Runner.

Karma is a test runner which works with any js testing framework. In a nutshell,the usefulness of this command line tool is that it can run tests in the browser automatically every time you edit your source code, so that you always know on the spot if your new additions break something. To start the Karma server,in command line grunt karma:unit.After that,a new command grunt dev.Any changes in your src folder will trigger Karma Test Runner and recompile the dev folder.

Cheers!

Spiros 'drumaddict' Kabasakalis

Acknowledgement

AngularFun by Cary Landholt.

Resources

kcdipesh/angular-yii

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