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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,300 @@ | ||
| <?php | ||
| /** | ||
| * Plugin Name: Email subscribers | ||
| * Plugin URI: | ||
| * Description: Allows your subscribers to get a notification by email on new posts. | ||
| * Version: 1.0 | ||
| * Requires at least: 5.2 | ||
| * Requires PHP: 7.2 | ||
| * Author: Michael Rydén | ||
| * Author URI: https://github.com/zynexiz | ||
| * License: | ||
| * License URI: | ||
| * Text Domain: es-email-subscribers | ||
| **/ | ||
|
|
||
| // Define database version, change on database structure change | ||
| if(!defined("ES_DB_VERSION")) define("ES_DB_VERSION", 2); | ||
|
|
||
| // Activities for cron jobb | ||
| require_once(dirname(__FILE__) . '/includes/send_mail.php'); | ||
|
|
||
| // Add plugin activation and deactivation hook | ||
| register_activation_hook( __FILE__, 'es_activate' ); | ||
| register_deactivation_hook (__FILE__, 'es_deactivate'); | ||
|
|
||
| add_action( 'widgets_init', 'es_load_widget' ); | ||
|
|
||
| if (is_admin()) { | ||
| // Add plugin to Admin panel | ||
| add_action('admin_menu', 'setup_es_admin_page'); | ||
| } | ||
|
|
||
| /** | ||
| * Initialize everything | ||
| * | ||
| */ | ||
|
|
||
| function setup_es_admin_page() { | ||
| $ES_DIR = dirname(__FILE__); | ||
| require_once($ES_DIR . '/includes/functions.php'); | ||
|
|
||
| $es_page = add_options_page( | ||
| 'Subsribers', // Page title | ||
| 'Subsribers', // Menu text | ||
| 'manage_options', // Capability requirement to see the link | ||
| 'es-settings', // Slug | ||
| 'es_contents' // Call function to show the content | ||
| ); | ||
| if ( ! class_exists( 'WP_List_Table' ) ) { | ||
| require_once( ABSPATH . 'wp-admin/includes/class-wp-list-table.php' ); | ||
| } | ||
|
|
||
| wp_enqueue_script('es_tinymce', plugin_dir_url(__FILE__) . 'includes/tinymce/tinymce.min.js'); // Add TinyMCE | ||
| add_action('load-'.$es_page, 'es_help_tab'); // Add help tab | ||
| add_filter( "plugin_action_links_" . plugin_basename(__FILE__), 'es_add_settings_link' ); // Add quick link from plugin addons page | ||
| } | ||
|
|
||
| /** | ||
| * Register and load the widget | ||
| * | ||
| */ | ||
|
|
||
| function es_load_widget() { | ||
| register_widget( 'es_widget' ); | ||
| } | ||
|
|
||
| function submit_email () { | ||
| global $wpdb; | ||
| $sql = "SELECT active FROM {$wpdb->prefix}es_templates WHERE slug='VT'"; | ||
| $query = $wpdb->get_results($sql, 'ARRAY_A'); | ||
| $verify = ($query[0]['active'] == 1) ? 1 : 2; | ||
| $table_name = $wpdb->prefix . 'es_subscribers'; | ||
|
|
||
| $wpdb->insert( $table_name, | ||
| array( | ||
| 'name' => $_POST['es_name'], | ||
| 'email' => $_POST['es_email'], | ||
| 'time' => current_time( 'mysql' ), | ||
| 'verified' => $verify, | ||
| 'purge_date' => ($verify == 2) ? NULL : date('Y-m-d H:i:s',strtotime("+1 week", current_time('timestamp')))), | ||
| array( '%s', '%s', '%s', '%d') ); | ||
|
|
||
| if ($verify < 2) { | ||
| es_sendmail( array(array('name' => $_POST['es_name'], 'email' => $_POST['es_email'])), 'VT'); | ||
| } else { | ||
| es_sendmail( array(array('name' => $_POST['es_name'], 'email' => $_POST['es_email'])), 'WT'); | ||
| } | ||
| } | ||
|
|
||
| /** | ||
| * Initial setup when plugin is activated | ||
| * | ||
| */ | ||
|
|
||
| function es_activate() { | ||
| $opt = get_option('es_options'); | ||
|
|
||
| if (!$opt) { | ||
|
|
||
| add_option( 'es_options', array(), false ); | ||
|
|
||
| $opt = array( | ||
| 'es_db_version' => ES_DB_VERSION, | ||
| 'row_per_page' => 10, | ||
| 'cron_schedule' => 60, | ||
| 'post_type' => array('post','page'), | ||
| 'last_send' => current_time('mysql'), | ||
| 'send_interval' => '+1 day', | ||
| 'hostname' => '', | ||
| 'authentication' => '', | ||
| 'port' => '587', | ||
| 'login' => '', | ||
| 'pwd' => '', | ||
| 'protocol' => 'tls', | ||
| 'email' => '', | ||
| 'name' => '' | ||
| ); | ||
| update_option( 'es_options', $opt); | ||
| } | ||
|
|
||
| // Import functions for dbDelta() | ||
| require_once( ABSPATH . 'wp-admin/includes/upgrade.php' ); | ||
| global $wpdb; | ||
| $charset_collate = $wpdb->get_charset_collate(); | ||
|
|
||
| // Check is databases exist or table need updating | ||
| $table_name = $wpdb->prefix . "es_subscribers"; | ||
| $db_try = $wpdb->get_var("SHOW TABLES LIKE '$table_name'") != $table_name; | ||
| if($db_try || $opt['es_db_version'] != ES_DB_VERSION) { | ||
| $sql = "CREATE TABLE $table_name ( | ||
| id tinyint NOT NULL AUTO_INCREMENT, | ||
| uuid tinytext NULL, | ||
| name tinytext NOT NULL, | ||
| email tinytext NOT NULL, | ||
| time datetime NOT NULL, | ||
| verified tinyint(1) NOT NULL, | ||
| purge_date datetime NULL, | ||
| UNIQUE KEY id (id) | ||
| ) $charset_collate;"; | ||
| dbDelta( $sql ); | ||
| } | ||
|
|
||
| $table_name = $wpdb->prefix . "es_templates"; | ||
| $db_try = $wpdb->get_var("SHOW TABLES LIKE '$table_name'") != $table_name; | ||
| if($db_try || $opt['es_db_version'] != ES_DB_VERSION) { | ||
| $sql = "CREATE TABLE $table_name ( | ||
| id tinyint NOT NULL AUTO_INCREMENT, | ||
| slug char(10) NOT NULL, | ||
| title tinytext NOT NULL, | ||
| subject tinytext NOT NULL, | ||
| description tinytext NOT NULL, | ||
| template mediumtext NOT NULL, | ||
| active tinyint(1) NOT NULL, | ||
| UNIQUE KEY id (id) | ||
| ) $charset_collate;"; | ||
| dbDelta( $sql ); | ||
|
|
||
| $templates_dir = dirname(__FILE__,1) . '/includes/templates/sv/'; | ||
| if ($db_try) { | ||
| $wpdb->insert( $table_name, | ||
| array( | ||
| 'title' => 'Verification template', | ||
| 'description' => 'Template for opt-in verification before activating user', | ||
| 'active' => true, | ||
| 'subject' => 'Verify your subscription for #sitename#', | ||
| 'template' => file_get_contents($templates_dir.'verification.php'), | ||
| 'slug' => 'VT'), | ||
| array( '%s', '%s', '%d') ); | ||
|
|
||
| $wpdb->insert( $table_name, | ||
| array( | ||
| 'title' => 'Welcome template', | ||
| 'description' => 'Welcome message sent when user subscribed and is verified', | ||
| 'active' => true, | ||
| 'subject' => 'Welcome to #sitename#', | ||
| 'template' => file_get_contents($templates_dir.'welcome.php'), | ||
| 'slug' => 'WT'), | ||
| array( '%s', '%s', '%d') ); | ||
|
|
||
| $wpdb->insert( $table_name, | ||
| array( | ||
| 'title' => 'Posts template', | ||
| 'description' => 'Main template to inform about new posts that has been published', | ||
| 'active' => true, | ||
| 'subject' => '#sitename# has #newposts# new posts', | ||
| 'template' => file_get_contents($templates_dir.'posts.php'), | ||
| 'slug' => 'PT'), | ||
| array( '%s', '%s', '%d') ); | ||
|
|
||
| $wpdb->insert( $table_name, | ||
| array( | ||
| 'title' => 'Unsubscribed template', | ||
| 'description' => 'Template for sending a message after user has unsubscribed', | ||
| 'active' => true, | ||
| 'subject' => 'Unsubscribe confirmaion', | ||
| 'template' => file_get_contents($templates_dir.'unsubscribed.php'), | ||
| 'slug' => 'US'), | ||
| array( '%s', '%s', '%d') ); | ||
| } | ||
| } | ||
|
|
||
| // Update database version in option if changed | ||
| if ($opt['es_db_version'] != ES_DB_VERSION) { | ||
| $opt['es_db_version'] = ES_DB_VERSION; | ||
| update_option( 'es_options', $opt); | ||
| } | ||
|
|
||
| if (! wp_next_scheduled ( 'es_cron_jobbs' )) { | ||
| wp_schedule_event(time(), 'hourly', 'es_cron_jobbs'); | ||
| } | ||
| } | ||
|
|
||
| /** | ||
| * Clean upp after ourself when deactivated | ||
| * | ||
| */ | ||
|
|
||
| function es_deactivate() { | ||
| $timestamp = wp_next_scheduled( 'es_cron_jobbs' ); | ||
| wp_unschedule_event( $timestamp, 'es_cron_jobbs' ); | ||
| wp_clear_scheduled_hook('es_cron_jobbs'); | ||
|
|
||
| delete_option('es_debug'); | ||
| } | ||
|
|
||
| /** | ||
| * Define the widget class | ||
| * | ||
| */ | ||
|
|
||
| class es_widget extends WP_Widget { | ||
|
|
||
| function __construct() { | ||
| parent::__construct( | ||
|
|
||
| // Widget base ID | ||
| 'es_widget', | ||
|
|
||
| // Widget name will appear in UI | ||
| 'E-mail subscribers', | ||
|
|
||
| // Widget description | ||
| array( 'description' => 'Widget to let users subscribe to you posts' ) | ||
| ); | ||
| } | ||
|
|
||
| // Creating widget front-end | ||
|
|
||
| public function widget( $args, $instance ) { | ||
| $title = apply_filters( 'widget_title', $instance['title'] ); | ||
| $description = apply_filters( 'widget_title', $instance['description'] ); | ||
| $submitbutton = apply_filters( 'widget_title', $instance['submit'] ); | ||
|
|
||
| // before and after widget arguments are defined by themes | ||
| echo $args['before_widget']; | ||
| if ( ! empty( $title ) ) { echo $args['before_title'] . $title . $args['after_title']; } | ||
|
|
||
| if (isset($_POST['es_submitmail'])) { | ||
| submit_email(); | ||
| echo '<div style="font-size: 0.9em; text-align: center; "><em>Thank you!<br>Your e-mail has been added.</em></div>'; | ||
| } else { | ||
| if ( ! empty( $title ) ) { | ||
| echo '<div style="font-size: 0.9em; text-align: center; "><em>'.$description.'</em></div>'; | ||
| ?> | ||
| <form method="post" style="margin-top: 15px;"> | ||
| <input type="text" name="es_name" placeholder="Your name" required style="text-align: center; background: rgba(0,0,0,0.1); color: black; width: 100%; border: none; outline:none; height:50px;"><br> | ||
| <input type="email" name="es_email" placeholder="E-mail" required style="text-align: center; background: rgba(0,0,0,0.1); color: black; width: 100%; margin-top: 15px; margin-bottom: 15px; border: none; outline:none; height:50px;"><br> | ||
| <input type="submit" name="es_submitmail" value="<?php echo $submitbutton;?>" style="width: 100%; height:50px; background:white; border:0px none; text-size: 80%; border-radius: 0px; text-transform:uppercase; font-weight: bold;"> | ||
| </form> | ||
| <?php } } | ||
| echo $args['after_widget']; | ||
| } | ||
|
|
||
| // Widget Backend | ||
| public function form( $instance ) { | ||
| $title = ( isset( $instance[ 'title' ] ) ) ? $instance[ 'title' ] : 'Subscribe'; | ||
| $description = ( isset( $instance[ 'description' ] ) ) ? $instance[ 'description' ] : 'Enter your e-mail to subscribe'; | ||
| $submitbutton = ( isset( $instance[ 'submit' ] ) ) ? $instance[ 'submit' ] : 'Sign up now!'; | ||
| // Widget admin form | ||
| ?> | ||
| <p> | ||
| <label for="<?php echo $this->get_field_id( 'title' ); ?>"><?php _e( 'Title:' ); ?></label> | ||
| <input class="widefat" id="<?php echo $this->get_field_id( 'title' ); ?>" name="<?php echo $this->get_field_name( 'title' ); ?>" type="text" value="<?php echo esc_attr( $title ); ?>" /> | ||
| <label for="<?php echo $this->get_field_id( 'description' ); ?>"><?php _e( 'Description:' ); ?></label> | ||
| <input class="widefat" id="<?php echo $this->get_field_id( 'description' ); ?>" name="<?php echo $this->get_field_name( 'description' ); ?>" type="text" value="<?php echo esc_attr( $description ); ?>" /> | ||
| <label for="<?php echo $this->get_field_id( 'submit' ); ?>"><?php _e( 'Submit button:' ); ?></label> | ||
| <input class="widefat" id="<?php echo $this->get_field_id( 'submit' ); ?>" name="<?php echo $this->get_field_name( 'submit' ); ?>" type="text" value="<?php echo esc_attr( $submitbutton ); ?>" /> | ||
| </p> | ||
| <?php | ||
| } | ||
|
|
||
| // Updating widget replacing old instances with new | ||
| public function update( $new_instance, $old_instance ) { | ||
| $instance = array(); | ||
| $instance['title'] = ( ! empty( $new_instance['title'] ) ) ? strip_tags( $new_instance['title'] ) : ''; | ||
| $instance['description'] = ( ! empty( $new_instance['description'] ) ) ? strip_tags( $new_instance['description'] ) : ''; | ||
| $instance['submit'] = ( ! empty( $new_instance['submit'] ) ) ? strip_tags( $new_instance['submit'] ) : ''; | ||
| return $instance; | ||
| } | ||
| } |
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