<?php
/**
 * Media Library administration panel.
 *
 * @package WordPress
 * @subpackage Administration
 */

/** WordPress Administration Bootstrap */
require_once('admin.php');
wp_enqueue_script( 'wp-ajax-response' );
wp_enqueue_script( 'jquery-ui-draggable' );

if (!current_user_can('upload_files'))
	wp_die(__('You do not have permission to upload files.'));

if ( isset($_GET['find_detached'] ) ) {
	check_admin_referer('bulk-media');

	if ( ! current_user_can('edit_posts') )
		wp_die( __('You are not allowed to scan for lost attachments.') );

	$all_posts = $wpdb->get_col("SELECT ID FROM $wpdb->posts WHERE post_type = 'post' OR post_type = 'page'");
	$all_att = $wpdb->get_results("SELECT ID, post_parent FROM $wpdb->posts WHERE post_type = 'attachment'");

	$lost = array();
	foreach ( (array) $all_att as $att ) {
		if ( $att->post_parent > 0 && ! in_array($att->post_parent, $all_posts) )
			$lost[] = $att->ID;
	}
	$_GET['detached'] = 1;

} elseif ( isset($_GET['found_post_id']) && isset($_GET['media']) ) {
	check_admin_referer('bulk-media');

	if ( ! ( $parent_id = (int) $_GET['found_post_id'] ) )
		return;

	$parent = &get_post($parent_id);
	if ( !current_user_can('edit_post', $parent_id) )
		wp_die( __('You are not allowed to edit this post.') );

	$attach = array();
	foreach( (array) $_GET['media'] as $att_id ) {
		$att_id = (int) $att_id;

		if ( !current_user_can('edit_post', $att_id) )
			continue;

		$attach[] = $att_id;
	}

	if ( ! empty($attach) ) {
		$attach = implode(',', $attach);
		$attached = $wpdb->query( $wpdb->prepare("UPDATE $wpdb->posts SET post_parent = %d WHERE post_type = 'attachment' AND ID IN ($attach)", $parent_id) );
	}

	if ( isset($attached) ) {
		$location = 'upload.php';
		if ( $referer = wp_get_referer() ) {
			if ( false !== strpos($referer, 'upload.php') )
				$location = $referer;
		}

		$location = add_query_arg( array( 'detached' => 1, 'attached' => $attached ) , $location );
		wp_redirect($location);
		exit;
	}

} elseif ( isset($_GET['action']) && isset($_GET['media']) && ( -1 != $_GET['action'] || -1 != $_GET['action2'] ) ) {
	check_admin_referer('bulk-media');
	$doaction = ( -1 != $_GET['action'] ) ? $_GET['action'] : $_GET['action2'];

	if ( 'delete' == $doaction ) {
		foreach( (array) $_GET['media'] as $post_id_del ) {
			$post_del = & get_post($post_id_del);

			if ( !current_user_can('delete_post', $post_id_del) )
				wp_die( __('You are not allowed to delete this post.') );

			if ( $post_del->post_type == 'attachment' )
				if ( ! wp_delete_attachment($post_id_del) )
					wp_die( __('Error in deleting...') );
		}

		$location = 'upload.php';
		if ( $referer = wp_get_referer() ) {
			if ( false !== strpos($referer, 'upload.php') )
				$location = $referer;
		}

		$location = add_query_arg('message', 2, $location);
		$location = remove_query_arg('posted', $location);
		wp_redirect($location);
		exit;
	}
} elseif ( isset($_GET['_wp_http_referer']) && ! empty($_GET['_wp_http_referer']) ) {
	 wp_redirect( remove_query_arg( array('_wp_http_referer', '_wpnonce'), stripslashes($_SERVER['REQUEST_URI']) ) );
	 exit;
}

$title = __('Media Library');
$parent_file = 'upload.php';

if ( ! isset( $_GET['paged'] ) || $_GET['paged'] < 1 )
	$_GET['paged'] = 1;

if ( isset($_GET['detached']) ) {

	if ( !empty($lost) ) {
		$start = ( $_GET['paged'] - 1 ) * 50;
		$page_links_total = ceil(count($lost) / 50);
		$lost = implode(',', $lost);

		$orphans = $wpdb->get_results( "SELECT * FROM $wpdb->posts WHERE post_type = 'attachment' AND ID IN ($lost) LIMIT $start, 50" );
	} else {
		$start = ( $_GET['paged'] - 1 ) * 25;
		$orphans = $wpdb->get_results( "SELECT SQL_CALC_FOUND_ROWS * FROM $wpdb->posts WHERE post_type = 'attachment' AND post_parent < 1 LIMIT $start, 25" );
		$page_links_total = ceil($wpdb->get_var( "SELECT FOUND_ROWS()" ) / 25);
	}

	$post_mime_types = array(
				'image' => array(__('Images'), __('Manage Images'), _n_noop('Image (%s)', 'Images (%s)')),
				'audio' => array(__('Audio'), __('Manage Audio'), _n_noop('Audio (%s)', 'Audio (%s)')),
				'video' => array(__('Video'), __('Manage Video'), _n_noop('Video (%s)', 'Video (%s)')),
			);
	$post_mime_types = apply_filters('post_mime_types', $post_mime_types);

	$avail_post_mime_types = get_available_post_mime_types('attachment');

	if ( isset($_GET['post_mime_type']) && !array_intersect( (array) $_GET['post_mime_type'], array_keys($post_mime_types) ) )
		unset($_GET['post_mime_type']);

} else {
	list($post_mime_types, $avail_post_mime_types) = wp_edit_attachments_query();
}

wp_enqueue_script('media');
require_once('admin-header.php'); ?>

<?php
if ( isset($_GET['posted']) && (int) $_GET['posted'] ) {
	$_GET['message'] = '1';
	$_SERVER['REQUEST_URI'] = remove_query_arg(array('posted'), $_SERVER['REQUEST_URI']);
}

if ( isset($_GET['attached']) && (int) $_GET['attached'] ) {
	$attached = (int) $_GET['attached'];
	$message = sprintf( _n('Reattached %d attachment', 'Reattached %d attachments', $attached), $attached );
	$_SERVER['REQUEST_URI'] = remove_query_arg(array('attached'), $_SERVER['REQUEST_URI']);
}

$messages[1] = __('Media attachment updated.');
$messages[2] = __('Media deleted.');
$messages[3] = __('Error saving media attachment.');

if ( isset($_GET['message']) && (int) $_GET['message'] ) {
	$message = $messages[$_GET['message']];
	$_SERVER['REQUEST_URI'] = remove_query_arg(array('message'), $_SERVER['REQUEST_URI']);
}
?>

<?php do_action('restrict_manage_posts'); ?>

<div class="wrap">
<?php screen_icon(); ?>
<h2><?php echo esc_html( $title );
if ( isset($_GET['s']) && $_GET['s'] )
	printf( '<span class="subtitle">' . __('Search results for &#8220;%s&#8221;') . '</span>', esc_html( get_search_query() ) ); ?>
</h2>

<?php
if ( isset($message) ) { ?>
<div id="message" class="updated fade"><p><?php echo $message; ?></p></div>
<?php
}
?>

<ul class="subsubsub">
<?php
$type_links = array();
$_num_posts = (array) wp_count_attachments();
$_total_posts = array_sum( $_num_posts );
$matches = wp_match_mime_types(array_keys($post_mime_types), array_keys($_num_posts));
foreach ( $matches as $type => $reals )
	foreach ( $reals as $real )
		$num_posts[$type] = ( isset( $num_posts[$type] ) ) ? $num_posts[$type] + $_num_posts[$real] : $_num_posts[$real];

$class = empty($_GET['post_mime_type']) && ! isset($_GET['detached']) ? ' class="current"' : '';
$type_links[] = "<li><a href='upload.php'$class>" . sprintf( _nx( 'All <span class="count">(%s)</span>', 'All <span class="count">(%s)</span>', $_total_posts, 'uploaded files' ), number_format_i18n( $_total_posts ) ) . '</a>';
foreach ( $post_mime_types as $mime_type => $label ) {
	$class = '';

	if ( !wp_match_mime_types($mime_type, $avail_post_mime_types) )
		continue;

	if ( !empty($_GET['post_mime_type']) && wp_match_mime_types($mime_type, $_GET['post_mime_type']) )
		$class = ' class="current"';

	$type_links[] = "<li><a href='upload.php?post_mime_type=$mime_type'$class>" . sprintf( _n( $label[2][0], $label[2][1], $num_posts[$mime_type] ), number_format_i18n( $num_posts[$mime_type] )) . '</a>';
}
$class = isset($_GET['detached']) ? ' class="current"' : '';
$type_links[] = '<li><a href="upload.php?detached=1"' . $class . '>' . __('Unattached') . '</a>';

echo implode( " |</li>\n", $type_links) . '</li>';
unset($type_links);
?>
</ul>

<form class="search-form" action="" method="get">
<p class="search-box">
	<label class="screen-reader-text" for="media-search-input"><?php _e( 'Search Media' ); ?>:</label>
	<input type="text" id="media-search-input" name="s" value="<?php the_search_query(); ?>" />
	<input type="submit" value="<?php esc_attr_e( 'Search Media' ); ?>" class="button" />
</p>
</form>

<form id="posts-filter" action="" method="get">
<div class="tablenav">
<?php
if ( ! isset($page_links_total) )
	$page_links_total =  $wp_query->max_num_pages;

$page_links = paginate_links( array(
	'base' => add_query_arg( 'paged', '%#%' ),
	'format' => '',
	'prev_text' => __('&laquo;'),
	'next_text' => __('&raquo;'),
	'total' => $page_links_total,
	'current' => $_GET['paged']
));

if ( $page_links ) : ?>
<div class="tablenav-pages"><?php $page_links_text = sprintf( '<span class="displaying-num">' . __( 'Displaying %s&#8211;%s of %s' ) . '</span>%s',
	number_format_i18n( ( $_GET['paged'] - 1 ) * $wp_query->query_vars['posts_per_page'] + 1 ),
	number_format_i18n( min( $_GET['paged'] * $wp_query->query_vars['posts_per_page'], $wp_query->found_posts ) ),
	number_format_i18n( $wp_query->found_posts ),
	$page_links
); echo $page_links_text; ?></div>
<?php endif; ?>

<div class="alignleft actions">
<select name="action" class="select-action">
<option value="-1" selected="selected"><?php _e('Bulk Actions'); ?></option>
<option value="delete"><?php _e('Delete'); ?></option>
<?php if ( isset($orphans) ) { ?>
<option value="attach"><?php _e('Attach to a post'); ?></option>
<?php } ?>
</select>
<input type="submit" value="<?php esc_attr_e('Apply'); ?>" name="doaction" id="doaction" class="button-secondary action" />
<?php wp_nonce_field('bulk-media'); ?>

<?php
if ( ! is_singular() && ! isset($_GET['detached']) ) {
	$arc_query = "SELECT DISTINCT YEAR(post_date) AS yyear, MONTH(post_date) AS mmonth FROM $wpdb->posts WHERE post_type = 'attachment' ORDER BY post_date DESC";

	$arc_result = $wpdb->get_results( $arc_query );

	$month_count = count($arc_result);

	if ( $month_count && !( 1 == $month_count && 0 == $arc_result[0]->mmonth ) ) : ?>
<select name='m'>
<option<?php selected( @$_GET['m'], 0 ); ?> value='0'><?php _e('Show all dates'); ?></option>
<?php
foreach ($arc_result as $arc_row) {
	if ( $arc_row->yyear == 0 )
		continue;
	$arc_row->mmonth = zeroise( $arc_row->mmonth, 2 );

	if ( $arc_row->yyear . $arc_row->mmonth == $_GET['m'] )
		$default = ' selected="selected"';
	else
		$default = '';

	echo "<option$default value='" . esc_attr("$arc_row->yyear$arc_row->mmonth") . "'>";
	echo $wp_locale->get_month($arc_row->mmonth) . " $arc_row->yyear";
	echo "</option>\n";
}
?>
</select>
<?php endif; // month_count ?>

<input type="submit" id="post-query-submit" value="<?php esc_attr_e('Filter'); ?>" class="button-secondary" />

<?php } // ! is_singular ?>

<?php if ( isset($_GET['detached']) ) { ?>
	<input type="submit" id="find_detached" name="find_detached" value="<?php esc_attr_e('Scan for lost attachments'); ?>" class="button-secondary" />
<?php } ?>

</div>

<br class="clear" />
</div>

<div class="clear"></div>

<?php if ( isset($orphans) ) { ?>
<table class="widefat" cellspacing="0">
<thead>
<tr>
	<th scope="col" class="check-column"><input type="checkbox" /></th>
	<th scope="col"></th>
	<th scope="col"><?php /* translators: column name in media */ echo _x('Media', 'media column name'); ?></th>
	<th scope="col"><?php /* translators: column name in media */ echo _x('Author', 'media column name'); ?></th>
	<th scope="col"><?php /* translators: column name in media */ echo _x('Date Added', 'media column name'); ?></th>
</tr>
</thead>

<tfoot>
<tr>
	<th scope="col" class="check-column"><input type="checkbox" /></th>
	<th scope="col"></th>
	<th scope="col"><?php /* translators: column name in media */ echo _x('Media', 'media column name'); ?></th>
	<th scope="col"><?php /* translators: column name in media */ echo _x('Author', 'media column name'); ?></th>
	<th scope="col"><?php /* translators: column name in media */ echo _x('Date Added', 'media column name'); ?></th>
</tr>
</tfoot>

<tbody id="the-list" class="list:post">
<?php
	if ( $orphans ) {
		foreach ( $orphans as $post ) {
			$class = 'alternate' == $class ? '' : 'alternate';
			$att_title = esc_html( _draft_or_post_title($post->ID) );
?>
	<tr id='post-<?php echo $post->ID; ?>' class='<?php echo $class; ?>' valign="top">
		<th scope="row" class="check-column"><input type="checkbox" name="media[]" value="<?php echo esc_attr($post->ID); ?>" /></th>

		<td class="media-icon"><?php
		if ( $thumb = wp_get_attachment_image( $post->ID, array(80, 60), true ) ) { ?>
			<a href="media.php?action=edit&amp;attachment_id=<?php echo $post->ID; ?>" title="<?php echo esc_attr(sprintf(__('Edit &#8220;%s&#8221;'), $att_title)); ?>"><?php echo $thumb; ?></a>
<?php	} ?></td>

		<td class="media column-media"><strong><a href="<?php echo get_edit_post_link( $post->ID ); ?>" title="<?php echo esc_attr(sprintf(__('Edit &#8220;%s&#8221;'), $att_title)); ?>"><?php echo $att_title; ?></a></strong><br />
		<?php echo strtoupper(preg_replace('/^.*?\.(\w+)$/', '$1', get_attached_file($post->ID))); ?>

		<div class="row-actions">
		<?php
		$actions = array();
		if ( current_user_can('edit_post', $post->ID) )
			$actions['edit'] = '<a href="' . get_edit_post_link($post->ID, true) . '">' . __('Edit') . '</a>';
		if ( current_user_can('delete_post', $post->ID) )
			$actions['delete'] = "<a class='submitdelete' href='" . wp_nonce_url("post.php?action=delete&amp;post=$post->ID", 'delete-post_' . $post->ID) . "' onclick=\"if ( confirm('" . esc_js(sprintf( ('draft' == $post->post_status) ? __("You are about to delete this attachment '%s'\n  'Cancel' to stop, 'OK' to delete.") : __("You are about to delete this attachment '%s'\n  'Cancel' to stop, 'OK' to delete."), $post->post_title )) . "') ) { return true;}return false;\">" . __('Delete') . "</a>";
		$actions['view'] = '<a href="' . get_permalink($post->ID) . '" title="' . esc_attr(sprintf(__('View &#8220;%s&#8221;'), $title)) . '" rel="permalink">' . __('View') . '</a>';
		if ( current_user_can('edit_post', $post->ID) )
			$actions['attach'] = '<a href="#the-list" onclick="findPosts.open(\'media[]\',\''.$post->ID.'\');return false;">'.__('Attach').'</a>';
		$actions = apply_filters( 'media_row_actions', $actions, $post );
		$action_count = count($actions);
		$i = 0;
		foreach ( $actions as $action => $link ) {
			++$i;
			( $i == $action_count ) ? $sep = '' : $sep = ' | ';
			echo "<span class='$action'>$link$sep</span>";
		} ?>
		</div></td>
		<td class="author column-author"><?php $author = get_userdata($post->post_author); echo $author->display_name; ?></td>
<?php	if ( '0000-00-00 00:00:00' == $post->post_date && 'date' == $column_name ) {
			$t_time = $h_time = __('Unpublished');
		} else {
			$t_time = get_the_time(__('Y/m/d g:i:s A'));
			$m_time = $post->post_date;
			$time = get_post_time( 'G', true );
			if ( ( abs($t_diff = time() - $time) ) < 86400 ) {
				if ( $t_diff < 0 )
					$h_time = sprintf( __('%s from now'), human_time_diff( $time ) );
				else
					$h_time = sprintf( __('%s ago'), human_time_diff( $time ) );
			} else {
				$h_time = mysql2date(__('Y/m/d'), $m_time);
			}
		} ?>
		<td class="date column-date"><?php echo $h_time ?></td>
	</tr>
<?php	}

	} else { ?>
	<tr><td colspan="5"><?php _e('No media attachments found.') ?></td></tr>
<?php } ?>
</tbody>
</table>

<?php find_posts_div();

} else {
	include( 'edit-attachment-rows.php' );
} ?>

<div id="ajax-response"></div>

<div class="tablenav">

<?php
if ( $page_links )
	echo "<div class='tablenav-pages'>$page_links_text</div>";
?>

<div class="alignleft actions">
<select name="action2" class="select-action">
<option value="-1" selected="selected"><?php _e('Bulk Actions'); ?></option>
<option value="delete"><?php _e('Delete'); ?></option>
<?php if ( isset($orphans) ) { ?>
<option value="attach"><?php _e('Attach to a post'); ?></option>
<?php } ?>
</select>
<input type="submit" value="<?php esc_attr_e('Apply'); ?>" name="doaction2" id="doaction2" class="button-secondary action" />
</div>

<br class="clear" />
</div>
</form>
<br class="clear" />

</div>

<?php
include('admin-footer.php');
