├── .gitignore
├── composer.json
├── sample-plugins-composer.json
├── wordpress-composer-installer.php
└── README.md


/.gitignore:
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1 | .DS_Store
2 | /composer.lock
3 | /plugins-composer.json
4 | /plugins-composer.lock
5 | /.idea/
6 | /vendor/


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/composer.json:
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 1 | {
 2 |   "name": "coenjacobs/wordpress-composer-installer",
 3 |   "authors": [
 4 |     {
 5 |       "name": "Coen Jacobs",
 6 |       "email": "coenjacobs@gmail.com"
 7 |     }
 8 |   ],
 9 |   "require": {
10 |     "composer/composer": "dev-master",
11 |     "wikimedia/composer-merge-plugin": "dev-master"
12 |   }
13 | }


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/sample-plugins-composer.json:
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 1 | {
 2 |   "require": {
 3 |     "wikimedia/composer-merge-plugin": "dev-master"
 4 |   },
 5 |   "extra": {
 6 |     "merge-plugin": {
 7 |       "include": [
 8 |         "composer.json",
 9 |         "../plugin-1/composer.json",
10 |         "../plugin-2/composer.json"
11 |       ]
12 |     }
13 |   }
14 | }


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/wordpress-composer-installer.php:
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 1 | <?php
 2 | 
 3 | /*
 4 |  * Plugin Name: WordPress Composer Installer
 5 |  */
 6 | 
 7 | add_action( 'admin_init', 'wpci_admin_init' );
 8 | 
 9 | function wpci_admin_init() {
10 | 	if ( ! isset( $_GET['action'] ) || $_GET['action'] !== 'composer_install' ) {
11 | 		return;
12 | 	}
13 | 
14 | 	if ( ! isset( $_GET['_wpnonce'] ) || ! wp_verify_nonce( $_GET['_wpnonce'], 'composer_install_plugin' ) ) {
15 | 		return;
16 | 	}
17 | 
18 | 	wpci_execute_composer_install();
19 | }
20 | 
21 | function wpci_execute_composer_install() {
22 | 	require( 'vendor/autoload.php' );
23 | 
24 | 	putenv('COMPOSER=plugins-composer.json');
25 | 	putenv('COMPOSER_VENDOR_DIR=' . trailingslashit( WP_CONTENT_DIR ) . 'vendor');
26 | 
27 | 	$input = new Symfony\Component\Console\Input\ArrayInput( array(
28 | 		'command'  => 'install',
29 | 		'-d'       => dirname( __FILE__ ),
30 | 		'--no-dev' => true,
31 | 		'--prefer-dist' => true,
32 | 	) );
33 | 
34 | 	$output = null; //new Symfony\Component\Console\Output\StreamOutput(fopen('php://output','w'));
35 | 	$app = new Composer\Console\Application();
36 | 	$app->setAutoExit(false);
37 | 	$app->run($input,$output);
38 | }
39 | 
40 | add_filter( 'plugin_action_links', 'wpci_plugin_action_links', 10, 4 );
41 | 
42 | function wpci_plugin_action_links( $actions, $plugin_file, $plugin_data, $context ) {
43 | 	if ( strstr( $plugin_file, 'wordpress-composer-installer.php' ) ) {
44 | 		$composer_link       = wp_nonce_url( 'plugins.php?action=composer_install', 'composer_install_plugin' );
45 | 		$actions['composer'] = '<a href="' . $composer_link . '">Composer install</a>';
46 | 	}
47 | 	return $actions;
48 | }


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/README.md:
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 1 | # WordPress Composer Installer
 2 | **Note:** This is extremely work in progress. Do not attempt to run any of this in production environment, unless you are the adventurous type. :)
 3 | 
 4 | ## Install and usage
 5 | 1. Install dependencies of this plugin first, by running `composer install`.
 6 | 2. Activate the plugin in your WordPress install.
 7 | 3. Copy the `sample-plugins-composer.json` file and rename it to `plugins-composer.json`. Add paths to the `composer.json` files you want to install the dependencies of. (This step will be automated in [#3](https://github.com/coenjacobs/wordpress-composer-installer/issues/3)).
 8 | 4. Click on the `Composer install` plugin action link in the Plugins screen. This will install the dependencies required for merging the `composer.json` files.
 9 | 5. Delete the now generated `plugins-composer.lock` file (This step will be automated in [#2](https://github.com/coenjacobs/wordpress-composer-installer/issues/2)).
10 | 6. Click on the `Composer install` plugin action link again, in the Plugins screen. This will install the dependencies of the plugins specified in the `plugins-composer.json` file.
11 | 7. The dependencies will now be installed in the `wp-content/vendor/` directory. You can include the autoloader at `wp-content/vendor/autoload.php`.
12 | 
13 | ## Important bits during development
14 | - Process is really expensive and takes a long time. Probably need to put some kind of wizard, progress bar or whatever and make sure it doesn't time out.
15 | - Of course the plugin needs to be structured properly, this is only a proof of concept for now.
16 | - It needs to hook in on plugin activate/deactivate and do its magic there. Manual option to override.
17 | - Ryan McCue has provided a ton of great UI/UX things to look after in code like this: "[How I Would Solve Plugin Dependencies](http://journal.rmccue.io/322/plugin-dependencies/)"
18 | 


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