jetpack-whatsapp.php

<?php
/*
 * Plugin Name: WhatsApp Sharing Button for Jetpack
 * Plugin URI: http://valeriosouza.com.br/portfolio/whatsapp-sharing-button-for-jetpack/?utm_source=plugin&utm_medium=plugin-url&utm_campaign=jetpack-whatsapp
 * Description: Add WhatsApp button to Jetpack Sharing
 * Version: 1.3.1
 * Author: Valerio Souza, WordLab Academy
 * Author URI: http://www.valeriosouza.com.br
 * License: GPLv3 or later
 * Text Domain: whatsapp-jetpack-button
 * Domain Path: /languages/
 * GitHub Branch: beta
 * GitHub Plugin URI: https://github.com/valeriosouza/jetpack-whatsapp
*/

if( !function_exists('add_action') ) {
	echo 'Hi there!  I\'m just a plugin, not much I can do when called directly.';
	exit;
}

if( version_compare( get_bloginfo('version'), '3.8', '<' ) ) {
	require_once( ABSPATH . 'wp-admin/includes/plugin.php' );
	deactivate_plugins( __FILE__ );
}

add_action( 'admin_init', 'jw_check_dependencies' );

//Check if jetpack is active.
function jw_check_dependencies() {
	if ( ! is_plugin_active( 'jetpack/jetpack.php' ) ) {
		add_action( 'admin_notices', 'jw_dependencies_notice' );
		deactivate_plugins( __FILE__ );

		//I used it to not appear "plugin active" message! We can discuss a better way to do this.
		unset( $_GET['activate'] );
	}
}

//Show error notice if jetpack is NOT active.
function jw_dependencies_notice() {
    ?>
    <div class="error">
        <p><strong><?php _e( 'Jetpack has NOT been activated! You need to install and activate the Jetpack plugin to work sharing with WhatsApp.', 'whatsapp-jetpack-button' ); ?></strong></p>
    </div>
    <?php
}

define( 'jetwhats__PLUGIN_DIR',  plugin_dir_path( __FILE__ ) );
define( 'jetwhats__PLUGIN_URL',  plugin_dir_url( __FILE__ ) );
define( 'jetwhats__PLUGIN_FILE', __FILE__ );
define( 'jetwhats__VERSION',     '1.3.1' );

add_action( 'init', array( 'Jetpack_Whatsapp_Pack', 'init' ) );

class Jetpack_Whatsapp_Pack {
	static $instance;

	private $data;

	static function init() {
		if( !self::$instance ) {
			if( did_action('plugins_loaded') ) {
				self::plugin_textdomain();
			} else {
				add_action( 'plugins_loaded', array( __CLASS__, 'plugin_textdomain' ) );
			}

			self::$instance = new Jetpack_Whatsapp_Pack;
		}
		return self::$instance;
	}

	private function __construct() {
		
		global $current_user ;
	    $user_id = $current_user->ID;

		add_action( 'wp_enqueue_scripts',    	array( &$this, 'register_assets' ) );
		add_action( 'admin_enqueue_scripts', 	array( &$this, 'admin_assets' ) );
		if ( ! get_user_meta($user_id, 'whatsapp_ignore_notice') ) {
			add_action( 'admin_notices', 		array( &$this, 'plugin_faq_notice' ) );
			add_action( 'admin_notices', 		array( &$this, 'plugin_pro_notice' ) );
		}
		add_action( 'wp_ajax_remove_notice', 	array( &$this, 'remove_notice') );
		register_deactivation_hook( __FILE__,	array( &$this, 'update' ));

		if( did_action('plugins_loaded') ) {
			$this->require_services();
		} else {
			add_action( 'plugins_loaded', array( &$this, 'require_services' ) );
		}
		add_filter( 'plugin_row_meta', array( &$this, 'plugin_row_donate' ), 10, 2 );
		add_filter( 'plugin_row_meta', array( &$this, 'plugin_row_more' ), 10, 2 );
	}

	static function update() {
		global $current_user;
	    $user_id = $current_user->ID;
		delete_user_meta($user_id, 'whatsapp_ignore_notice');
	}

	static function remove_notice() {
		global $current_user;
	    $user_id = $current_user->ID;
	    if ( defined( 'DOING_AJAX' ) && DOING_AJAX ) { 
			add_user_meta($user_id, 'whatsapp_ignore_notice', '1');
		}
		die();
	}

	function register_assets() {
		if( get_option('sharedaddy_disable_resources') ) {
			return;
		}

		if( !Jetpack::is_module_active('sharedaddy') ) {
			return;
		}
		wp_enqueue_script( 'jetpack-whatsapp', jetwhats__PLUGIN_URL . 'assets/js/main.js', array('jquery','sharing-js'), jetwhats__VERSION, true );
		wp_enqueue_style( 'jetpack-whatsapp', jetwhats__PLUGIN_URL . 'assets/css/style.css', array(), jetwhats__VERSION );
	}

	function admin_assets() {
		wp_enqueue_script( 'jetpack-whatsapp', jetwhats__PLUGIN_URL . 'assets/js/main.js', array(), jetwhats__VERSION, true );
		wp_enqueue_style( 'jetpack-whatsapp-css', jetwhats__PLUGIN_URL . 'assets/css/style.css', array(), jetwhats__VERSION );
			wp_localize_script( 'jetpack-whatsapp', 'remove_notice', array(
				'ajax_url' => admin_url( 'admin-ajax.php' )
			));
	}

	function require_services() {
		if( class_exists('Jetpack') ) {
			require_once( jetwhats__PLUGIN_DIR . 'includes/class.whatsapp-service.php' );
		}
	}

	static function plugin_textdomain() {
		load_plugin_textdomain( 'whatsapp-jetpack-button', false, basename(dirname( plugin_basename( __FILE__ ) )) . '/languages/' );
	}

	function plugin_row_donate( $links, $file ) {
		if( plugin_basename( jetwhats__PLUGIN_FILE ) === $file ) {
			$links[] = sprintf(
				'<a target="_blank" href="%s" style="color:#ffa100;font-weight:bold;">%s</a>',
				esc_url('http://wordlab.com.br/plugins/downloads/whatsapp-sharing-button-for-jetpack-pro/?utm_source=plugin&utm_medium=getpro&utm_campaign=jetpack-whatsapp'),
				__( 'Get Pro', 'whatsapp-jetpack-button' )
			);
		}
		return $links;
	}

	function plugin_row_more( $links, $file ) {
		if( plugin_basename( jetwhats__PLUGIN_FILE ) === $file ) {
			$links[] = sprintf(
				'<a target="_blank" href="%s" style="color:#ffa100;font-weight:bold;">%s</a>',
				esc_url('http://wordlab.com.br/plugins/?utm_source=plugin&utm_medium=more-addons&utm_campaign=jetpack-whatsapp'),
				__( 'More add-ons', 'whatsapp-jetpack-button' )
			);
		}
		return $links;
	}

	/* Display a notice that can be dismissed */

	function plugin_pro_notice() {
	        echo '<div class="notice notice-info notice-faq is-dismissible"><p>';
	        printf('%s<a target="_blank" href="%s">%s</a>.',__('Learn about the benefits of WhatsApp Sharing Button for Jetpack Pro. Get more control in your Google Analytics. You earned 50% discount, use <strong>vfree50</strong> cupom. ', 'whatsapp-jetpack-button'), 'http://wordlab.com.br/plugins/downloads/whatsapp-sharing-button-for-jetpack-pro/?utm_source=plugin&utm_medium=buy-notice&utm_campaign=jetpack-whatsapp', __('Read More', 'whatsapp-jetpack-button'));
	        echo "</p></div>";
	}

	function plugin_faq_notice() {
	        echo '<div class="notice notice-info notice-faq is-dismissible"><p>';
	        printf('%s<a target="_blank" href="%s">%s</a>.',__('Button does not appear on the front end? ', 'whatsapp-jetpack-button'), 'https://wordpress.org/plugins/whatsapp-jetpack-button/faq/', __('Please, read the FAQ', 'whatsapp-jetpack-button'));
	        echo "</p></div>";
	}

}