<?php
/*
Plugin Name: Duplicate PP
Description: <strong>Duplicate PP</strong> is a simple plugin which allows you to duplicate any POST,PAGE and CPT Easily. The duplicated POST or PAGE CPT acts as draft.
Author: Zakaria Binsaifullah
Author URI: https://about.me/zakaria_binsaifullah
Version: 3.2.1
Text Domain: duplicate-pp
License: GPLv2 or later
License URI:  https://www.gnu.org/licenses/gpl-2.0.html
Domain Path:  /languages
*/

if (!defined('ABSPATH')) {
	echo "Go Back!!";
	exit();
}

// Duplicate Function

function dpp_duplicate_as_draft(){
	global $wpdb;
	if (! ( isset( $_GET['post']) || isset( $_POST['post'])  || ( isset($_REQUEST['action']) && 'dpp_duplicate_as_draft' == $_REQUEST['action'] ) ) ) {
		wp_die('No post for duplicating!');
	}

	/*
	 * Nonce verification
	 */
	if ( !isset( $_GET['duplicate_nonce'] ) || !wp_verify_nonce( $_GET['duplicate_nonce'], basename( __FILE__ ) ) )
		return;

	/*
	 * get the original post id
	 */
	$dpp_post_id = (isset($_GET['post']) ? absint( $_GET['post'] ) : absint( $_POST['post'] ) );
	/*
	 * and all the original post data then
	 */
	$dpp_post = get_post( $dpp_post_id );

	/*
	 * if you don't want current user to be the new post author,
	 * then change next couple of lines to this: $new_post_author = $post->post_author;
	 */
	$dpp_current_user = wp_get_current_user();
	$dpp_new_post_author = $dpp_current_user->ID;

	/*
	 * if post data exists, create the post duplicate
	 */
	if (isset( $dpp_post ) && $dpp_post != null) {

		/*
		 * new post data array
		 */
		$dpp_args = array(
			'comment_status' => $dpp_post->comment_status,
			'ping_status'    => $dpp_post->ping_status,
			'post_author'    => $dpp_new_post_author,
			'post_content'   => $dpp_post->post_content,
			'post_excerpt'   => $dpp_post->post_excerpt,
			'post_name'      => $dpp_post->post_name,
			'post_parent'    => $dpp_post->post_parent,
			'post_password'  => $dpp_post->post_password,
			'post_status'    => 'draft',
			'post_title'     => $dpp_post->post_title,
			'post_type'      => $dpp_post->post_type,
			'to_ping'        => $dpp_post->to_ping,
			'menu_order'     => $dpp_post->menu_order
		);

		/*
		 * insert the post by wp_insert_post() function
		 */
		$dpp_new_post_id = wp_insert_post( $dpp_args );

		/*
		 * get all current post terms ad set them to the new post draft
		 */
		$dpp_taxonomies = get_object_taxonomies($dpp_post->post_type); // returns array of taxonomy names for post type, ex array("category", "post_tag");
		foreach ($dpp_taxonomies as $ddp_taxonomy) {
			$dpp_post_terms = wp_get_object_terms($dpp_post_id, $ddp_taxonomy, array('fields' => 'slugs'));
			wp_set_object_terms($dpp_new_post_id, $dpp_post_terms, $ddp_taxonomy, false);
		}

		/*
		 * duplicate all post meta just in two SQL queries
		 */
		$dpp_post_meta_infos = $wpdb->get_results("SELECT meta_key, meta_value FROM $wpdb->postmeta WHERE post_id=$dpp_post_id");
		if (count($dpp_post_meta_infos)!=0) {
			$dpp_sql_query = "INSERT INTO $wpdb->postmeta (post_id, meta_key, meta_value) ";
			foreach ($dpp_post_meta_infos as $dpp_meta_info) {
				$dpp_meta_key = $dpp_meta_info->meta_key;
				if( $dpp_meta_key == '_wp_old_slug' ) continue;
				$dpp_meta_value = addslashes($dpp_meta_info->meta_value);
				$dpp_sql_query_sel[]= "SELECT $dpp_new_post_id, '$dpp_meta_key', '$dpp_meta_value'";
			}
			$dpp_sql_query.= implode(" UNION ALL ", $dpp_sql_query_sel);
			$wpdb->query($dpp_sql_query);
		}


		/*
		 * finally, redirect to the edit post screen for the new draft
		 */

		$dpp_all_post_types = get_post_types([],'names');

		foreach ($dpp_all_post_types as $dpp_key=>$dpp_value) {
			$dpp_names[] = $dpp_key;
		}

		$dpp_current_post_type=  get_post_type($dpp_post_id);

		if (is_array($dpp_names) && in_array($dpp_current_post_type, $dpp_names)) {
			wp_redirect( admin_url( 'edit.php?post_type='.$dpp_current_post_type) );
		}

		exit;
	} else {
		wp_die('Failed. Not Found Post: ' . $dpp_post_id);
	}
}
add_action( 'admin_action_dpp_duplicate_as_draft', 'dpp_duplicate_as_draft' );

/*
 * Add the duplicate link to action list for post_row_actions
 */
function dpp_duplicate_link( $actions, $post ) {
	if (current_user_can('edit_posts')) {
		$actions['duplicate'] = '<a href="' . wp_nonce_url('admin.php?action=dpp_duplicate_as_draft&post=' . $post->ID, basename(__FILE__), 'duplicate_nonce' ) . '" title="Duplicate it" rel="permalink">Duplicate</a>';
	}
	return $actions;
}

add_filter( 'post_row_actions', 'dpp_duplicate_link', 10, 2 );

add_filter('page_row_actions', 'dpp_duplicate_link', 10, 2);

/**	 
 * Admin CSS
*/
function dpp_admin_css_load($screen) {
	if( 'tools_page_duplicate-pp' == $screen ) {
		wp_enqueue_style( 'dpp-admin', plugins_url('admin-css/dpp-admin.css', __FILE__ ) );
	}
}
add_action( 'admin_enqueue_scripts', 'dpp_admin_css_load' );

/**
 * Plugin Support Link
 */

function dpp_settings_link( $links ) {
	$gts_settings = array(
		'<a href="'. esc_url( 'https://about.me/zakaria_binsaifullah' ) .'" target="_blank" style="color: green; font-weight: bold">Get Support</a>',
		'<a href="'. esc_url( 'https://wordpress.org/plugins/duplicate-pp/#reviews' ) .'" target="_blank" style="color: green; font-weight: bold">Rate Plugin</a>',
	);
	return array_merge( $gts_settings, $links );
}
add_filter( 'plugin_action_links_' . plugin_basename(__FILE__), 'dpp_settings_link' );


/**	 
 * Admin Support Page
*/
function dpp_admin_support_page() {
	add_submenu_page('tools.php', __('Duplicate PP','duplicate-pp'), __('Duplicate PP','duplicate-pp'), 'manage_options', 'duplicate-pp', 'dpp_admin_page_callback');
}
add_action( 'admin_menu', 'dpp_admin_support_page' );

function dpp_admin_page_callback() {
	?>
		<div class="dpp_admin_page">
			<h2> <?php echo __( 'Thanks for using Duplicate PP','duplicate-pp' ); ?> </h2>
			<div class="dpp_support_blocks">
				<div class="single-block">
					<div class="icon">
					<svg xmlns="http://www.w3.org/2000/svg" height="24" viewBox="0 0 24 24" width="24"><path d="M0 0h24v24H0z" fill="none"/><path d="M11 18h2v-2h-2v2zm1-16C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm0 18c-4.41 0-8-3.59-8-8s3.59-8 8-8 8 3.59 8 8-3.59 8-8 8zm0-14c-2.21 0-4 1.79-4 4h2c0-1.1.9-2 2-2s2 .9 2 2c0 2-3 1.75-3 5h2c0-2.25 3-2.5 3-5 0-2.21-1.79-4-4-4z"/></svg>
					</div>
					<div class="help_link">
					<span><?php echo __( 'Need Help?', 'duplicate-pp' ); ?></span>
					<?php echo '<a href="https://webackstop.com/dwqa-ask-question/" target="_blank">'.__('Create Support Ticket','duplicate-pp').'</a>'; ?>
					</div>
				</div>
				<div class="single-block">
					<div class="icon">
						<svg xmlns="http://www.w3.org/2000/svg" height="24" viewBox="0 0 24 24" width="24"><path d="M0 0h24v24H0V0z" fill="none"/><path d="M1 21h4V9H1v12zm22-11c0-1.1-.9-2-2-2h-6.31l.95-4.57.03-.32c0-.41-.17-.79-.44-1.06L14.17 1 7.59 7.59C7.22 7.95 7 8.45 7 9v10c0 1.1.9 2 2 2h9c.83 0 1.54-.5 1.84-1.22l3.02-7.05c.09-.23.14-.47.14-.73v-2z"/></svg>
					</div>
					<div class="help_link">
					<span><?php echo __( 'Like this plugin?', 'duplicate-pp' ); ?></span>
					<?php echo '<a href="https://wordpress.org/plugins/duplicate-pp/#reviews" target="_blank">'.__('Leave a Positive Review','duplicate-pp').'</a>'; ?>
					</div>
				</div>
				<div class="single-block">
					<div class="icon">
						<svg xmlns="http://www.w3.org/2000/svg" height="24" viewBox="0 0 24 24" width="24"><path d="M0 0h24v24H0z" fill="none"/><path d="M12 14c1.66 0 2.99-1.34 2.99-3L15 5c0-1.66-1.34-3-3-3S9 3.34 9 5v6c0 1.66 1.34 3 3 3zm5.3-3c0 3-2.54 5.1-5.3 5.1S6.7 14 6.7 11H5c0 3.41 2.72 6.23 6 6.72V21h2v-3.28c3.28-.48 6-3.3 6-6.72h-1.7z"/></svg>
					</div>
					<div class="help_link">
					<span><?php echo __( 'Have a Job for Me?', 'duplicate-pp' ); ?></span>
					<?php echo '<a href="https://webackstop.com/contact/" target="_blank">'.__('Contact Me','duplicate-pp').'</a>'; ?>
					</div>
				</div>
			</div>
		</div>
	<?php 
}

/*
* Redirecting
*/
function dpp_user_redirecting( $plugin ) {
	if( plugin_basename(__FILE__) == $plugin ){
		wp_redirect( admin_url( 'tools.php?page=duplicate-pp' ) );
		die();
	}
}
add_action( 'activated_plugin', 'dpp_user_redirecting' );