/htdocs/wp-content/plugins/post-views-counter/includes/columns.php

<?php

// exit if accessed directly

if ( ! defined( 'ABSPATH' ) )

	exit;



/**

 * Post_Views_Counter_Columns class.

 * 

 * @class Post_Views_Counter_Columns

 */

class Post_Views_Counter_Columns {



	public function __construct() {

		// actions

		add_action( 'admin_init', array( $this, 'register_new_column' ) );

		add_action( 'post_submitbox_misc_actions', array( $this, 'submitbox_views' ) );

		add_action( 'attachment_submitbox_misc_actions', array( $this, 'submitbox_views' ) );

		add_action( 'save_post', array( $this, 'save_post' ), 10, 2 );

		add_action( 'edit_attachment', array( $this, 'save_post' ), 10 );

		add_action( 'bulk_edit_custom_box', array( $this, 'quick_edit_custom_box' ), 10, 2 );

		add_action( 'quick_edit_custom_box', array( $this, 'quick_edit_custom_box' ), 10, 2 );

		add_action( 'wp_ajax_save_bulk_post_views', array( $this, 'save_bulk_post_views' ) );



		// gutenberg

		add_action( 'plugins_loaded', array( $this, 'init_gutemberg' ) );

	}

	

	/**

	 * Init Gutenberg

	 */

	public function init_gutemberg() {

		$block_editor = has_action( 'enqueue_block_assets' );

		$gutenberg = function_exists( 'gutenberg_can_edit_post_type' );

		

		if ( ! $block_editor && ! $gutenberg  ) {

			return;

		}

		

		add_action( 'add_meta_boxes', array( $this, 'gutenberg_add_meta_box' ) );

		add_action( 'rest_api_init', array( $this, 'gutenberg_rest_api_init' ) );

		add_action( 'enqueue_block_editor_assets', array( $this, 'gutenberg_enqueue_scripts' ) );

	}

	

	/**

	 * Register Gutenberg Metabox.

	 */

	public function gutenberg_add_meta_box() {

		add_meta_box( 'post_views_meta_box', __( 'Post Views', 'post-views-counter' ), '', 'post', '', '', array(

			'__back_compat_meta_box' => false,

			'__block_editor_compatible_meta_box' => true

		) );

	}

	

	/**

	 * Register REST API Gutenberg endpoints.

	 */

	public function gutenberg_rest_api_init() {

		// get views route

		register_rest_route(

			'post-views-counter',

			'/update-post-views/',

			array(

				'methods'	=> array( 'POST' ),

				'callback'	=> array( $this, 'gutenberg_update_callback' ),

				'args'		=> array(

					'id' => array(

						'sanitize_callback' => 'absint',

					)

				)

			)

		);

	}

	

	/**

	 * REST API Callback for Gutenberg endpoint.

	 * 

	 * @param array $data

	 * @return array|int

	 */

	public function gutenberg_update_callback( $data ) {

		$post_id = ! empty( $data['id'] ) ? (int) $data['id'] : 0;

		$post_views = ! empty( $data['post_views'] ) ? (int) $data['post_views'] : 0;



		// get countable post types

		$post_types = Post_Views_Counter()->options['general']['post_types_count'];



		// check if post exists

		$post = get_post( $post_id );



		// whether to count this post type or not

		if ( empty( $post_types ) || empty( $post ) || ! in_array( $post->post_type, $post_types, true ) )

			return wp_send_json_error( __( 'Invalid post ID.', 'post-views-counter' ) );



		// break if current user can't edit this post

		if ( ! current_user_can( 'edit_post', $post_id ) )

			return wp_send_json_error( __( 'You are not allowed to edit this item.', 'post-views-counter' ) );



		// break if views editing is restricted

		$restrict = (bool) Post_Views_Counter()->options['general']['restrict_edit_views'];



		if ( $restrict === true && ! current_user_can( apply_filters( 'pvc_restrict_edit_capability', 'manage_options' ) ) )

			return wp_send_json_error( __( 'You are not allowed to edit this item.', 'post-views-counter' ) );



		global $wpdb;



		pvc_update_post_views( $post_id, $post_views );



		do_action( 'pvc_after_update_post_views_count', $post_id );



		return $post_id;

	}

	

	/**

	 * Enqueue front end and editor JavaScript and CSS

	 */

	public function gutenberg_enqueue_scripts() {

		// enqueue the bundled block JS file

		wp_enqueue_script(

			'pvc-gutenberg', 

			POST_VIEWS_COUNTER_URL . '/js/gutenberg.min.js', 

			array( 'wp-i18n', 'wp-edit-post', 'wp-element', 'wp-editor', 'wp-components', 'wp-data', 'wp-plugins', 'wp-api' ), 

			Post_Views_Counter()->defaults['version']

		);



		// restrict editing

		$restrict = (bool) Post_Views_Counter()->options['general']['restrict_edit_views'];

		$can_edit = $restrict === false || ( $restrict === true && current_user_can( apply_filters( 'pvc_restrict_edit_capability', 'manage_options' ) ) );

		

		$js_args = array(

			'postID'			=> get_the_ID(),

			'postViews'			=> pvc_get_post_views( get_the_ID() ),

			'canEdit'			=> $can_edit,

			'nonce'				=> wp_create_nonce( 'wp_rest' ),

			'textPostViews'		=> __( 'Post Views', 'post-views-counter' ),

			'textHelp' 			=> __( 'Adjust the views count for this post.', 'post-views-counter' ),

			'textCancel' 		=> __( 'Cancel', 'post-views-counter' )

		);

		

		wp_localize_script(

			'pvc-gutenberg',

			'pvcEditorArgs',

			$js_args

		);

		

		// enqueue frontend and editor block styles

		wp_enqueue_style(

			'pvc-gutenberg', 

			POST_VIEWS_COUNTER_URL . '/css/gutenberg.min.css', '', 

			Post_Views_Counter()->defaults['version']

		);

	}



	/**

	 * Output post views for single post.

	 * 

	 * @global object $post

	 * @return mixed 

	 */

	public function submitbox_views() {

		global $post;



		if ( ! in_array( $post->post_type, (array) Post_Views_Counter()->options['general']['post_types_count'] ) )

			return;



		// break if current user can't edit this post

		if ( ! current_user_can( 'edit_post', $post->ID ) )

			return;



		// get total post views

		$count = (int) pvc_get_post_views( $post->ID ); ?>



		<div class="misc-pub-section" id="post-views">



			<?php wp_nonce_field( 'post_views_count', 'pvc_nonce' ); ?>



			<span id="post-views-display">

				<?php echo __( 'Post Views', 'post-views-counter' ) . ': <b>' . number_format_i18n( $count ) . '</b>'; ?>

			</span>



			<?php

			// restrict editing

			$restrict = (bool) Post_Views_Counter()->options['general']['restrict_edit_views'];



			if ( $restrict === false || ( $restrict === true && current_user_can( apply_filters( 'pvc_restrict_edit_capability', 'manage_options' ) ) ) ) {

				?>

				<a href="#post-views" class="edit-post-views hide-if-no-js"><?php _e( 'Edit', 'post-views-counter' ); ?></a>



				<div id="post-views-input-container" class="hide-if-js">



					<p><?php _e( 'Adjust the views count for this post.', 'post-views-counter' ); ?></p>

					<input type="hidden" name="current_post_views" id="post-views-current" value="<?php echo $count; ?>" />

					<input type="text" name="post_views" id="post-views-input" value="<?php echo $count; ?>"/><br />

					<p>

						<a href="#post-views" class="save-post-views hide-if-no-js button"><?php _e( 'OK', 'post-views-counter' ); ?></a>

						<a href="#post-views" class="cancel-post-views hide-if-no-js"><?php _e( 'Cancel', 'post-views-counter' ); ?></a>

					</p>



				</div>

				<?php

			}

			?>



		</div>

		<?php

	}



	/**

	 * Save post views data.

	 * 

	 * @param int $post_id

	 * @param object $post

	 */

	public function save_post( $post_id, $post = null ) {

		if ( is_null( $post ) )

			$post_type = get_post_type( $post_id );

		else

			$post_type = $post->post_type;



		// break if doing autosave

		if ( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE )

			return $post_id;



		// break if current user can't edit this post

		if ( ! current_user_can( 'edit_post', $post_id ) )

			return $post_id;



		// is post views set			

		if ( ! isset( $_POST['post_views'] ) )

			return $post_id;



		// cast numeric post views

		$post_views = (int) $_POST['post_views'];



		// unchanged post views value?

		if ( isset( $_POST['current_post_views'] ) && $post_views === (int) $_POST['current_post_views'] )

			return $post_id;



		// break if post views in not one of the selected

		$post_types = Post_Views_Counter()->options['general']['post_types_count'];



		if ( ! in_array( $post_type, (array) $post_types ) )

			return $post_id;



		// break if views editing is restricted

		$restrict = (bool) Post_Views_Counter()->options['general']['restrict_edit_views'];



		if ( $restrict === true && ! current_user_can( apply_filters( 'pvc_restrict_edit_capability', 'manage_options' ) ) )

			return $post_id;



		// validate data		

		if ( ! isset( $_POST['pvc_nonce'] ) || ! wp_verify_nonce( $_POST['pvc_nonce'], 'post_views_count' ) )

			return $post_id;



		pvc_update_post_views( $post_id, $post_views );



		do_action( 'pvc_after_update_post_views_count', $post_id );

	}



	/**

	 * Register post views column for specific post types

	 */

	public function register_new_column() {

		$post_types = Post_Views_Counter()->options['general']['post_types_count'];



		if ( ! empty( $post_types ) ) {

			foreach ( $post_types as $post_type ) {

				if ( $post_type === 'attachment' ) {

					// actions

					add_action( 'manage_media_custom_column', array( $this, 'add_new_column_content' ), 10, 2 );



					// filters

					add_filter( 'manage_media_columns', array( $this, 'add_new_column' ) );

					add_filter( 'manage_upload_sortable_columns', array( $this, 'register_sortable_custom_column' ) );

				} else {

					// actions

					add_action( 'manage_' . $post_type . '_posts_custom_column', array( $this, 'add_new_column_content' ), 10, 2 );



					// filters

					add_filter( 'manage_' . $post_type . '_posts_columns', array( $this, 'add_new_column' ) );

					add_filter( 'manage_edit-' . $post_type . '_sortable_columns', array( $this, 'register_sortable_custom_column' ) );



					if ( class_exists( 'bbPress' ) ) {

						if ( $post_type === 'forum' )

							add_filter( 'bbp_admin_forums_column_headers', array( $this, 'add_new_column' ) );

						elseif ( $post_type === 'topic' )

							add_filter( 'bbp_admin_topics_column_headers', array( $this, 'add_new_column' ) );

					}

				}

			}

		}

	}



	/**

	 * Register sortable post views column.

	 * 

	 * @param array $columns

	 * @return array

	 */

	public function register_sortable_custom_column( $columns ) {

		// add new sortable column

		$columns['post_views'] = 'post_views';



		return $columns;

	}



	/**

	 * Add post views column.

	 * 

	 * @param array $columns

	 * @return array

	 */

	public function add_new_column( $columns ) {

		$offset = 0;



		if ( isset( $columns['date'] ) )

			$offset++;



		if ( isset( $columns['comments'] ) )

			$offset++;



		if ( $offset > 0 ) {

			$date = array_slice( $columns, -$offset, $offset, true );



			foreach ( $date as $column => $name ) {

				unset( $columns[$column] );

			}



			$columns['post_views'] = '<span class="dash-icon dashicons dashicons-chart-bar" title="' . __( 'Post Views', 'post-views-counter' ) . '"></span><span class="dash-title">' . __( 'Post Views', 'post-views-counter' ) . '</span>';



			foreach ( $date as $column => $name ) {

				$columns[$column] = $name;

			}

		} else

			$columns['post_views'] = '<span class="dash-icon dashicons dashicons-chart-bar" title="' . __( 'Post Views', 'post-views-counter' ) . '"></span><span class="dash-title">' . __( 'Post Views', 'post-views-counter' ) . '</span>';



		return $columns;

	}



	/**

	 * Add post views column content.

	 * 

	 * @param string $column_name

	 * @param int $id

	 * @return muxed

	 */

	public function add_new_column_content( $column_name, $id ) {

		if ( $column_name === 'post_views' ) {

			// get total post views

			$count = pvc_get_post_views( $id );



			echo $count;

		}

	}



	/**

	 * Handle quick edit.

	 * 

	 * @global string $pagenow

	 * @param string $column_name

	 * @return mixed

	 */

	function quick_edit_custom_box( $column_name, $post_type ) {

		global $pagenow, $post;



		if ( $pagenow !== 'edit.php' )

			return;

		

		if ( $column_name !== 'post_views' )

			return;



		if ( ! Post_Views_Counter()->options['general']['post_views_column'] || ! in_array( $post_type, Post_Views_Counter()->options['general']['post_types_count'] ) )

			return;



		// break if views editing is restricted

		$restrict = (bool) Post_Views_Counter()->options['general']['restrict_edit_views'];



		if ( $restrict === true && ! current_user_can( apply_filters( 'pvc_restrict_edit_capability', 'manage_options' ) ) )

			return;



		?>

		<fieldset class="inline-edit-col-left">

			<div id="inline-edit-post_views" class="inline-edit-col">

				<label class="inline-edit-group">

					<span class="title"><?php _e( 'Post Views', 'post-views-counter' ); ?></span>

					<span class="input-text-wrap"><input type="text" name="post_views" class="title text" value=""></span>

					<input type="hidden" name="current_post_views" value="" />

					<?php wp_nonce_field( 'post_views_count', 'pvc_nonce' ); ?>

				</label>

			</div>

		</fieldset>

		<?php

	}



	/**

	 * Bulk save post views.

	 * 

	 * @global object $wpdb;

	 * @return type

	 */

	function save_bulk_post_views() {

		if ( ! isset( $_POST['post_views'] ) )

			$count = null;

		else {

			$count = trim( $_POST['post_views'] );



			if ( is_numeric( $_POST['post_views'] ) ) {

				$count = (int) $_POST['post_views'];



				if ( $count < 0 )

					$count = 0;

			} else

				$count = null;

		}



		$post_ids = ( ! empty( $_POST['post_ids'] ) && is_array( $_POST['post_ids'] ) ) ? array_map( 'absint', $_POST['post_ids'] ) : array();



		if ( is_null( $count ) )

			exit;



		// break if views editing is restricted

		$restrict = (bool) Post_Views_Counter()->options['general']['restrict_edit_views'];



		if ( $restrict === true && ! current_user_can( apply_filters( 'pvc_restrict_edit_capability', 'manage_options' ) ) )

			exit;



		if ( ! empty( $post_ids ) ) {

			foreach ( $post_ids as $post_id ) {



				// break if current user can't edit this post

				if ( ! current_user_can( 'edit_post', $post_id ) )

					continue;



				global $wpdb;



				// insert or update db post views count

				$wpdb->query(

					$wpdb->prepare( "

						INSERT INTO " . $wpdb->prefix . "post_views (id, type, period, count)

						VALUES (%d, %d, %s, %d)

						ON DUPLICATE KEY UPDATE count = %d", $post_id, 4, 'total', $count, $count

					)

				);

			}

		}



		exit;

	}

}