<?php
// exit if accessed directly
if ( ! defined( 'ABSPATH' ) )
exit;
/**
* Post_Views_Counter_Columns class.
*
* @class Post_Views_Counter_Columns
*/
class Post_Views_Counter_Columns {
/**
* Class constructor.
*
* @return void
*/
public function __construct() {
// actions
add_action( 'admin_init', [ $this, 'register_new_column' ] );
add_action( 'post_submitbox_misc_actions', [ $this, 'submitbox_views' ] );
add_action( 'attachment_submitbox_misc_actions', [ $this, 'submitbox_views' ] );
add_action( 'save_post', [ $this, 'save_post' ], 10, 2 );
add_action( 'edit_attachment', [ $this, 'save_post' ], 10 );
add_action( 'bulk_edit_custom_box', [ $this, 'quick_edit_custom_box' ], 10, 2 );
add_action( 'quick_edit_custom_box', [ $this, 'quick_edit_custom_box' ], 10, 2 );
add_action( 'wp_ajax_save_bulk_post_views', [ $this, 'save_bulk_post_views' ] );
add_action( 'wp_loaded', [ $this, 'maybe_load_admin_bar_menu' ] );
}
/**
* Output post views for single post.
*
* @global object $post
*
* @return void
*/
public function submitbox_views() {
global $post;
// get main instance
$pvc = Post_Views_Counter();
// incorrect post type?
if ( ! $pvc->options['general']['post_views_column'] || ! in_array( $post->post_type, $pvc->options['general']['post_types_count'] ) )
return;
// break if current user can't edit this post
if ( ! current_user_can( 'edit_post', $post->ID ) )
return;
if ( apply_filters( 'pvc_admin_display_post_views', true, $post->ID ) === false )
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) $pvc->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 esc_attr( $count ); ?>" />
<input type="text" name="post_views" id="post-views-input" value="<?php echo esc_attr( $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
* @return void
*/
public function save_post( $post_id, $post = null ) {
// break if doing autosave
if ( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE )
return;
// break if current user can't edit this post
if ( ! current_user_can( 'edit_post', $post_id ) )
return;
// is post views set
if ( ! isset( $_POST['post_views'] ) )
return;
// 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;
// get main instance
$pvc = Post_Views_Counter();
// break if post views in not one of the selected
$post_types = (array) $pvc->options['general']['post_types_count'];
// get post type
if ( is_null( $post ) )
$post_type = get_post_type( $post_id );
else
$post_type = $post->post_type;
// invalid post type?
if ( ! in_array( $post_type, $post_types, true ) )
return;
// break if views editing is restricted
if ( (bool) $pvc->options['general']['restrict_edit_views'] === true && ! current_user_can( apply_filters( 'pvc_restrict_edit_capability', 'manage_options' ) ) )
return;
// validate data
if ( ! isset( $_POST['pvc_nonce'] ) || ! wp_verify_nonce( $_POST['pvc_nonce'], 'post_views_count' ) )
return;
// update post views
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.
*
* @return void
*/
public function register_new_column() {
// get main instance
$pvc = Post_Views_Counter();
// is posts views column active?
if ( ! $pvc->options['general']['post_views_column'] )
return false;
// get post types
$post_types = $pvc->options['general']['post_types_count'];
// any post types?
if ( ! empty( $post_types ) ) {
foreach ( $post_types as $post_type ) {
if ( $post_type === 'attachment' ) {
// actions
add_action( 'manage_media_custom_column', [ $this, 'add_new_column_content' ], 10, 2 );
// filters
add_filter( 'manage_media_columns', [ $this, 'add_new_column' ] );
add_filter( 'manage_upload_sortable_columns', [ $this, 'register_sortable_custom_column' ] );
} else {
// actions
add_action( 'manage_' . $post_type . '_posts_custom_column', [ $this, 'add_new_column_content' ], 10, 2 );
// filters
add_filter( 'manage_' . $post_type . '_posts_columns', [ $this, 'add_new_column' ] );
add_filter( 'manage_edit-' . $post_type . '_sortable_columns', [ $this, 'register_sortable_custom_column' ] );
// bbPress?
if ( class_exists( 'bbPress' ) ) {
if ( $post_type === 'forum' )
add_filter( 'bbp_admin_forums_column_headers', [ $this, 'add_new_column' ] );
elseif ( $post_type === 'topic' )
add_filter( 'bbp_admin_topics_column_headers', [ $this, 'add_new_column' ] );
}
}
}
}
}
/**
* Register sortable post views column.
*
* @param array $columns
* @return array
*/
public function register_sortable_custom_column( $columns ) {
// get main instance
$pvc = Post_Views_Counter();
// break if views editing is restricted
$restrict = (bool) $pvc->options['general']['restrict_edit_views'];
if ( $restrict === true && ! current_user_can( apply_filters( 'pvc_restrict_edit_capability', 'manage_options' ) ) )
return $columns;
// break if display is disabled
if ( apply_filters( 'pvc_admin_display_post_views', true, $id = 0 ) === false )
return $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 ) {
// date column exists?
if ( isset( $columns['date'] ) ) {
// store date column
$date = $columns['date'];
// unset date column
unset( $columns['date'] );
}
// comments column exists?
if ( isset( $columns['comments'] ) ) {
// store comments column
$comments = $columns['comments'];
// unset comments column
unset( $columns['comments'] );
}
// add post views column
$columns['post_views'] = '<span class="dash-icon dashicons dashicons-chart-bar" title="' . esc_attr__( 'Post Views', 'post-views-counter' ) . '"><span class="screen-reader-text">' . esc_attr__( 'Post Views', 'post-views-counter' ) . '</span></span>';
// restore date column
if ( isset( $date ) )
$columns['date'] = $date;
// restore comments column
if ( isset( $comments ) )
$columns['comments'] = $comments;
return $columns;
}
/**
* Add post views column content.
*
* @param string $column_name
* @param int $id
* @return void
*/
public function add_new_column_content( $column_name, $id ) {
if ( $column_name === 'post_views' ) {
// get total post views
$count = pvc_get_post_views( $id );
if ( apply_filters( 'pvc_admin_display_post_views', true, $id ) === false )
$count = '—';
echo esc_html( $count );
}
}
/**
* Handle quick edit.
*
* @global string $pagenow
*
* @param string $column_name
* @param string $post_type
* @return void
*/
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 )
return;
// get main instance
$pvc = Post_Views_Counter();
if ( ! $pvc->options['general']['post_views_column'] || ! in_array( $post_type, $pvc->options['general']['post_types_count'] ) )
return;
// break if display is not allowed
if ( apply_filters( 'pvc_admin_display_post_views', true, $post->ID ) === false )
return;
// break if views editing is restricted
$restrict = (bool) $pvc->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 void
*/
function save_bulk_post_views() {
global $wpdb;
// check nonce
if ( ! isset( $_POST['nonce'] ) || ! wp_verify_nonce( $_POST['nonce'], 'pvc_save_bulk_post_views' ) )
exit;
$count = null;
if ( isset( $_POST['post_views'] ) && is_numeric( trim( $_POST['post_views'] ) ) ) {
$count = (int) $_POST['post_views'];
if ( $count < 0 )
$count = 0;
}
// check post ids
$post_ids = ( ! empty( $_POST['post_ids'] ) && is_array( $_POST['post_ids'] ) ) ? array_map( 'absint', $_POST['post_ids'] ) : [];
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;
// any post ids?
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;
// 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;
}
/**
* Add admin bar stats to a post.
*
* @return void
*/
public function maybe_load_admin_bar_menu() {
// get main instance
$pvc = Post_Views_Counter();
// statistics disabled?
if ( ! apply_filters( 'pvc_display_toolbar_statistics', $pvc->options['display']['toolbar_statistics'] ) )
return;
// skip for not logged in users
if ( ! is_user_logged_in() )
return;
// skip users with turned off admin bar at frontend
if ( ! is_admin() && get_user_option( 'show_admin_bar_front' ) !== 'true' )
return;
if ( is_admin() )
add_action( 'admin_init', [ $this, 'admin_bar_maybe_add_style' ] );
else
add_action( 'wp', [ $this, 'admin_bar_maybe_add_style' ] );
}
/**
* Add admin bar stats to a post.
*
* @global string $pagenow
* @global string $post
*
* @param object $admin_bar
* @return void
*/
public function admin_bar_menu( $admin_bar ) {
// get main instance
$pvc = Post_Views_Counter();
// set empty post
$post = null;
// admin?
if ( is_admin() && ! wp_doing_ajax() ) {
global $pagenow;
$post = ( $pagenow === 'post.php' && ! empty( $_GET['post'] ) ) ? get_post( (int) $_GET['post'] ) : $post;
// frontend?
} elseif ( is_singular() )
global $post;
// get countable post types
$post_types = $pvc->options['general']['post_types_count'];
// whether to allow this post type or not
if ( empty( $post_types ) || empty( $post ) || ! in_array( $post->post_type, $post_types, true ) )
return;
if ( apply_filters( 'pvc_admin_display_post_views', true ) === false )
return;
$dt = new DateTime();
// get post views
$views = pvc_get_views(
[
'post_id' => $post->ID,
'post_type' => $post->post_type,
'fields' => 'date=>views',
'views_query' => [
'year' => $dt->format( 'Y' ),
'month' => $dt->format( 'm' )
]
]
);
$graph = '';
// get highest value
$views_copy = $views;
arsort( $views_copy, SORT_NUMERIC );
$highest = reset( $views_copy );
// find the multiplier
$multiplier = $highest * 0.05;
// generate ranges
$ranges = [];
for ( $i = 1; $i <= 20; $i ++ ) {
$ranges[$i] = round( $multiplier * $i );
}
// create graph
foreach ( $views as $date => $count ) {
$count_class = 0;
if ( $count > 0 ) {
foreach ( $ranges as $index => $range ) {
if ( $count <= $range ) {
$count_class = $index;
break;
}
}
}
$graph .= '<span class="pvc-line-graph pvc-line-graph-' . $count_class . '" title="' . sprintf( _n( '%s post view', '%s post views', $count, 'post-views-counter' ), number_format_i18n( $count ) ) . '"></span>';
}
$admin_bar->add_menu(
[
'id' => 'pvc-post-views',
'title' => '<span class="pvc-graph-container">' . $graph . '</span>',
'href' => false,
'meta' => [
'title' => false
]
]
);
}
/**
* Maybe add admin CSS.
*
* @global string $pagenow
* @global string $post
*
* @return void
*/
public function admin_bar_maybe_add_style() {
// get main instance
$pvc = Post_Views_Counter();
// set empty post
$post = null;
// admin?
if ( is_admin() && ! wp_doing_ajax() ) {
global $pagenow;
$post = ( $pagenow === 'post.php' && ! empty( $_GET['post'] ) ) ? get_post( (int) $_GET['post'] ) : $post;
// frontend?
} elseif ( is_singular() )
global $post;
// get countable post types
$post_types = $pvc->options['general']['post_types_count'];
// whether to allow this post type or not
if ( empty( $post_types ) || empty( $post ) || ! in_array( $post->post_type, $post_types, true ) )
return;
if ( apply_filters( 'pvc_admin_display_post_views', true ) === false )
return;
// add admin bar
add_action( 'admin_bar_menu', [ $this, 'admin_bar_menu' ], 100 );
// backend
if ( current_action() === 'admin_init' )
add_action( 'admin_head', [ $this, 'admin_bar_css' ] );
// frontend
elseif ( current_action() === 'wp' )
add_action( 'wp_head', [ $this, 'admin_bar_css' ] );
}
/**
* Add admin CSS.
*
* @return void
*/
public function admin_bar_css() {
$html = '
<style type="text/css">
#wp-admin-bar-pvc-post-views .pvc-graph-container { padding-top: 6px; padding-bottom: 6px; position: relative; display: block; height: 100%; box-sizing: border-box; }
#wp-admin-bar-pvc-post-views .pvc-line-graph {
display: inline-block;
width: 1px;
margin-right: 1px;
background-color: #ccc;
vertical-align: baseline;
}
#wp-admin-bar-pvc-post-views .pvc-line-graph:hover { background-color: #eee; }
#wp-admin-bar-pvc-post-views .pvc-line-graph-0 { height: 1% }';
for ( $i = 1; $i <= 20; $i ++ ) {
$html .= '
#wp-admin-bar-pvc-post-views .pvc-line-graph-' . $i . ' { height: ' . $i * 5 . '% }';
}
$html .= '
</style>';
echo wp_kses( $html, [ 'style' => [] ] );
}
}