<?php

/**

 * Comments and Post Comments List Table classes.

 *

 * @package WordPress

 * @subpackage List_Table

 * @since 3.1.0

 */

/**

 * Comments List Table class.

 *

 * @package WordPress

 * @subpackage List_Table

 * @since 3.1.0

 * @access private

 */

class WP_Comments_List_Table extends WP_List_Table {

	var $checkbox = true;

	var $pending_count = array();

	function __construct( $args = array() ) {

		global $post_id;

		$post_id = isset( $_REQUEST['p'] ) ? absint( $_REQUEST['p'] ) : 0;

		if ( get_option('show_avatars') )

			add_filter( 'comment_author', 'floated_admin_avatar' );

		parent::__construct( array(

			'plural' => 'comments',

			'singular' => 'comment',

			'ajax' => true,

			'screen' => isset( $args['screen'] ) ? $args['screen'] : null,

		) );

	}

	function ajax_user_can() {

		return current_user_can('edit_posts');

	}

	function prepare_items() {

		global $post_id, $comment_status, $search, $comment_type;

		$comment_status = isset( $_REQUEST['comment_status'] ) ? $_REQUEST['comment_status'] : 'all';

		if ( !in_array( $comment_status, array( 'all', 'moderated', 'approved', 'spam', 'trash' ) ) )

			$comment_status = 'all';

		$comment_type = !empty( $_REQUEST['comment_type'] ) ? $_REQUEST['comment_type'] : '';

		$search = ( isset( $_REQUEST['s'] ) ) ? $_REQUEST['s'] : '';

		$post_type = ( isset( $_REQUEST['post_type'] ) ) ? sanitize_key( $_REQUEST['post_type'] ) : '';

		$user_id = ( isset( $_REQUEST['user_id'] ) ) ? $_REQUEST['user_id'] : '';

		$orderby = ( isset( $_REQUEST['orderby'] ) ) ? $_REQUEST['orderby'] : '';

		$order = ( isset( $_REQUEST['order'] ) ) ? $_REQUEST['order'] : '';

		$comments_per_page = $this->get_per_page( $comment_status );

		$doing_ajax = defined( 'DOING_AJAX' ) && DOING_AJAX;

		if ( isset( $_REQUEST['number'] ) ) {

			$number = (int) $_REQUEST['number'];

		}

		else {

			$number = $comments_per_page + min( 8, $comments_per_page ); // Grab a few extra

		}

		$page = $this->get_pagenum();

		if ( isset( $_REQUEST['start'] ) ) {

			$start = $_REQUEST['start'];

		} else {

			$start = ( $page - 1 ) * $comments_per_page;

		}

		if ( $doing_ajax && isset( $_REQUEST['offset'] ) ) {

			$start += $_REQUEST['offset'];

		}

		$status_map = array(

			'moderated' => 'hold',

			'approved' => 'approve',

			'all' => '',

		);

		$args = array(

			'status' => isset( $status_map[$comment_status] ) ? $status_map[$comment_status] : $comment_status,

			'search' => $search,

			'user_id' => $user_id,

			'offset' => $start,

			'number' => $number,

			'post_id' => $post_id,

			'type' => $comment_type,

			'orderby' => $orderby,

			'order' => $order,

			'post_type' => $post_type,

		);

		$_comments = get_comments( $args );

		update_comment_cache( $_comments );

		$this->items = array_slice( $_comments, 0, $comments_per_page );

		$this->extra_items = array_slice( $_comments, $comments_per_page );

		$total_comments = get_comments( array_merge( $args, array('count' => true, 'offset' => 0, 'number' => 0) ) );

		$_comment_post_ids = array();

		foreach ( $_comments as $_c ) {

			$_comment_post_ids[] = $_c->comment_post_ID;

		}

		$_comment_post_ids = array_unique( $_comment_post_ids );

		$this->pending_count = get_pending_comments_num( $_comment_post_ids );

		$this->set_pagination_args( array(

			'total_items' => $total_comments,

			'per_page' => $comments_per_page,

		) );

	}

	function get_per_page( $comment_status = 'all' ) {

		$comments_per_page = $this->get_items_per_page( 'edit_comments_per_page' );

		$comments_per_page = apply_filters( 'comments_per_page', $comments_per_page, $comment_status );

		return $comments_per_page;

	}

	function no_items() {

		global $comment_status;

		if ( 'moderated' == $comment_status )

			_e( 'No comments awaiting moderation.' );

		else

			_e( 'No comments found.' );

	}

	function get_views() {

		global $post_id, $comment_status, $comment_type;

		$status_links = array();

		$num_comments = ( $post_id ) ? wp_count_comments( $post_id ) : wp_count_comments();

		//, number_format_i18n($num_comments->moderated) ), "<span class='comment-count'>" . number_format_i18n($num_comments->moderated) . "</span>"),

		//, number_format_i18n($num_comments->spam) ), "<span class='spam-comment-count'>" . number_format_i18n($num_comments->spam) . "</span>")

		$stati = array(

				'all' => _nx_noop('All', 'All', 'comments'), // singular not used

				'moderated' => _n_noop('Pending <span class="count">(<span class="pending-count">%s</span>)</span>', 'Pending <span class="count">(<span class="pending-count">%s</span>)</span>'),

				'approved' => _n_noop('Approved', 'Approved'), // singular not used

				'spam' => _n_noop('Spam <span class="count">(<span class="spam-count">%s</span>)</span>', 'Spam <span class="count">(<span class="spam-count">%s</span>)</span>'),

				'trash' => _n_noop('Trash <span class="count">(<span class="trash-count">%s</span>)</span>', 'Trash <span class="count">(<span class="trash-count">%s</span>)</span>')

			);

		if ( !EMPTY_TRASH_DAYS )

			unset($stati['trash']);

		$link = 'edit-comments.php';

		if ( !empty($comment_type) && 'all' != $comment_type )

			$link = add_query_arg( 'comment_type', $comment_type, $link );

		foreach ( $stati as $status => $label ) {

			$class = ( $status == $comment_status ) ? ' class="current"' : '';

			if ( !isset( $num_comments->$status ) )

				$num_comments->$status = 10;

			$link = add_query_arg( 'comment_status', $status, $link );

			if ( $post_id )

				$link = add_query_arg( 'p', absint( $post_id ), $link );

			/*

			// I toyed with this, but decided against it. Leaving it in here in case anyone thinks it is a good idea. ~ Mark

			if ( !empty( $_REQUEST['s'] ) )

				$link = add_query_arg( 's', esc_attr( wp_unslash( $_REQUEST['s'] ) ), $link );

			*/

			$status_links[$status] = "<a href='$link'$class>" . sprintf(

				translate_nooped_plural( $label, $num_comments->$status ),

				number_format_i18n( $num_comments->$status )

			) . '</a>';

		}

		$status_links = apply_filters( 'comment_status_links', $status_links );

		return $status_links;

	}

	function get_bulk_actions() {

		global $comment_status;

		$actions = array();

		if ( in_array( $comment_status, array( 'all', 'approved' ) ) )

			$actions['unapprove'] = __( 'Unapprove' );

		if ( in_array( $comment_status, array( 'all', 'moderated' ) ) )

			$actions['approve'] = __( 'Approve' );

		if ( in_array( $comment_status, array( 'all', 'moderated', 'approved' ) ) )

			$actions['spam'] = _x( 'Mark as Spam', 'comment' );

		if ( 'trash' == $comment_status )

			$actions['untrash'] = __( 'Restore' );

		elseif ( 'spam' == $comment_status )

			$actions['unspam'] = _x( 'Not Spam', 'comment' );

		if ( in_array( $comment_status, array( 'trash', 'spam' ) ) || !EMPTY_TRASH_DAYS )

			$actions['delete'] = __( 'Delete Permanently' );

		else

			$actions['trash'] = __( 'Move to Trash' );

		return $actions;

	}

	function extra_tablenav( $which ) {

		global $comment_status, $comment_type;

?>

		<div class="alignleft actions">

<?php

		if ( 'top' == $which ) {

?>

			<select name="comment_type">

				<option value=""><?php _e( 'Show all comment types' ); ?></option>

<?php

				$comment_types = apply_filters( 'admin_comment_types_dropdown', array(

					'comment' => __( 'Comments' ),

					'pings' => __( 'Pings' ),

				) );

				foreach ( $comment_types as $type => $label )

					echo "\t<option value='" . esc_attr( $type ) . "'" . selected( $comment_type, $type, false ) . ">$label</option>\n";

			?>

			</select>

<?php

			do_action( 'restrict_manage_comments' );

			submit_button( __( 'Filter' ), 'button', false, false, array( 'id' => 'post-query-submit' ) );

		}

		if ( ( 'spam' == $comment_status || 'trash' == $comment_status ) && current_user_can( 'moderate_comments' ) ) {

			wp_nonce_field( 'bulk-destroy', '_destroy_nonce' );

			$title = ( 'spam' == $comment_status ) ? esc_attr__( 'Empty Spam' ) : esc_attr__( 'Empty Trash' );

			submit_button( $title, 'apply', 'delete_all', false );

		}

		do_action( 'manage_comments_nav', $comment_status );

		echo '</div>';

	}

	function current_action() {

		if ( isset( $_REQUEST['delete_all'] ) || isset( $_REQUEST['delete_all2'] ) )

			return 'delete_all';

		return parent::current_action();

	}

	function get_columns() {

		global $post_id;

		$columns = array();

		if ( $this->checkbox )

			$columns['cb'] = '<input type="checkbox" />';

		$columns['author'] = __( 'Author' );

		$columns['comment'] = _x( 'Comment', 'column name' );

		if ( !$post_id )

			$columns['response'] = _x( 'In Response To', 'column name' );

		return $columns;

	}

	function get_sortable_columns() {

		return array(

			'author'   => 'comment_author',

			'response' => 'comment_post_ID'

		);

	}

	function display() {

		extract( $this->_args );

		wp_nonce_field( "fetch-list-" . get_class( $this ), '_ajax_fetch_list_nonce' );

		$this->display_tablenav( 'top' );

?>

<table class="<?php echo implode( ' ', $this->get_table_classes() ); ?>" cellspacing="0">

	<thead>

	<tr>

		<?php $this->print_column_headers(); ?>

	</tr>

	</thead>

	<tfoot>

	<tr>

		<?php $this->print_column_headers( false ); ?>

	</tr>

	</tfoot>

	<tbody id="the-comment-list" data-wp-lists="list:comment">

		<?php $this->display_rows_or_placeholder(); ?>

	</tbody>

	<tbody id="the-extra-comment-list" data-wp-lists="list:comment" style="display: none;">

		<?php $this->items = $this->extra_items; $this->display_rows(); ?>

	</tbody>

</table>

<?php

		$this->display_tablenav( 'bottom' );

	}

	function single_row( $a_comment ) {

		global $post, $comment;

		$comment = $a_comment;

		$the_comment_class = join( ' ', get_comment_class( wp_get_comment_status( $comment->comment_ID ) ) );

		$post = get_post( $comment->comment_post_ID );

		$this->user_can = current_user_can( 'edit_comment', $comment->comment_ID );

		echo "<tr id='comment-$comment->comment_ID' class='$the_comment_class'>";

		$this->single_row_columns( $comment );

		echo "</tr>\n";

	}

	function column_cb( $comment ) {

		if ( $this->user_can ) { ?>

		<label class="screen-reader-text" for="cb-select-<?php echo $comment->comment_ID; ?>"><?php _e( 'Select comment' ); ?></label>

		<input id="cb-select-<?php echo $comment->comment_ID; ?>" type="checkbox" name="delete_comments[]" value="<?php echo $comment->comment_ID; ?>" />

		<?php

		}

	}

	function column_comment( $comment ) {

		global $comment_status;

		$post = get_post();

		$user_can = $this->user_can;

		$comment_url = esc_url( get_comment_link( $comment->comment_ID ) );

		$the_comment_status = wp_get_comment_status( $comment->comment_ID );

		if ( $user_can ) {

			$del_nonce = esc_html( '_wpnonce=' . wp_create_nonce( "delete-comment_$comment->comment_ID" ) );

			$approve_nonce = esc_html( '_wpnonce=' . wp_create_nonce( "approve-comment_$comment->comment_ID" ) );

			$url = "comment.php?c=$comment->comment_ID";

			$approve_url = esc_url( $url . "&action=approvecomment&$approve_nonce" );

			$unapprove_url = esc_url( $url . "&action=unapprovecomment&$approve_nonce" );

			$spam_url = esc_url( $url . "&action=spamcomment&$del_nonce" );

			$unspam_url = esc_url( $url . "&action=unspamcomment&$del_nonce" );

			$trash_url = esc_url( $url . "&action=trashcomment&$del_nonce" );

			$untrash_url = esc_url( $url . "&action=untrashcomment&$del_nonce" );

			$delete_url = esc_url( $url . "&action=deletecomment&$del_nonce" );

		}

		echo '<div class="submitted-on">';

		/* translators: 2: comment date, 3: comment time */

		printf( __( 'Submitted on <a href="%1$s">%2$s at %3$s</a>' ), $comment_url,

			/* translators: comment date format. See http://php.net/date */

			get_comment_date( __( 'Y/m/d' ) ),

			get_comment_date( get_option( 'time_format' ) )

		);

		if ( $comment->comment_parent ) {

			$parent = get_comment( $comment->comment_parent );

			$parent_link = esc_url( get_comment_link( $comment->comment_parent ) );

			$name = get_comment_author( $parent->comment_ID );

			printf( ' | '.__( 'In reply to <a href="%1$s">%2$s</a>.' ), $parent_link, $name );

		}

		echo '</div>';

		comment_text();

		if ( $user_can ) { ?>

		<div id="inline-<?php echo $comment->comment_ID; ?>" class="hidden">

		<textarea class="comment" rows="1" cols="1"><?php echo esc_textarea( apply_filters( 'comment_edit_pre', $comment->comment_content ) ); ?></textarea>

		<div class="author-email"><?php echo esc_attr( $comment->comment_author_email ); ?></div>

		<div class="author"><?php echo esc_attr( $comment->comment_author ); ?></div>

		<div class="author-url"><?php echo esc_attr( $comment->comment_author_url ); ?></div>

		<div class="comment_status"><?php echo $comment->comment_approved; ?></div>

		</div>

		<?php

		}

		if ( $user_can ) {

			// preorder it: Approve | Reply | Quick Edit | Edit | Spam | Trash

			$actions = array(

				'approve' => '', 'unapprove' => '',

				'reply' => '',

				'quickedit' => '',

				'edit' => '',

				'spam' => '', 'unspam' => '',

				'trash' => '', 'untrash' => '', 'delete' => ''

			);

			if ( $comment_status && 'all' != $comment_status ) { // not looking at all comments

				if ( 'approved' == $the_comment_status )

					$actions['unapprove'] = "<a href='$unapprove_url' data-wp-lists='delete:the-comment-list:comment-$comment->comment_ID:e7e7d3:action=dim-comment&amp;new=unapproved' class='vim-u vim-destructive' title='" . esc_attr__( 'Unapprove this comment' ) . "'>" . __( 'Unapprove' ) . '</a>';

				else if ( 'unapproved' == $the_comment_status )

					$actions['approve'] = "<a href='$approve_url' data-wp-lists='delete:the-comment-list:comment-$comment->comment_ID:e7e7d3:action=dim-comment&amp;new=approved' class='vim-a vim-destructive' title='" . esc_attr__( 'Approve this comment' ) . "'>" . __( 'Approve' ) . '</a>';