Prosellers Shell V2.0

Editing: admin.php

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<?php
/**
 * Add a contact form button to the post composition screen
 */
add_action( 'media_buttons', 'grunion_media_button', 999 );
function grunion_media_button( ) {
	global $post_ID, $temp_ID, $pagenow;

if ( 'press-this.php' === $pagenow ) {
		return;
	}

$iframe_post_id = (int) (0 == $post_ID ? $temp_ID : $post_ID);
	$title = __( 'Add Contact Form', 'jetpack' );
	$plugin_url = esc_url( GRUNION_PLUGIN_URL );
	$site_url = esc_url( admin_url( "/admin-ajax.php?post_id={$iframe_post_id}&action=grunion_form_builder&TB_iframe=true&width=768" ) );
	?>

<a id="insert-jetpack-contact-form" class="button thickbox" title="<?php echo esc_attr( $title ); ?>" data-editor="content" href="<?php echo $site_url ?>&id=add_form">
		<span class="jetpack-contact-form-icon"></span> <?php echo esc_html( $title ); ?>
	</a>

<?php
}

add_action( 'wp_ajax_grunion_form_builder', 'grunion_display_form_view' );

function grunion_display_form_view() {
	require_once GRUNION_PLUGIN_DIR . 'grunion-form-view.php';
	exit;
}

// feedback specific css items
add_action( 'admin_print_styles', 'grunion_admin_css' );
function grunion_admin_css() {
	global $current_screen;
	if ( is_null( $current_screen ) ) {
		return;
	}
	if ( 'edit-feedback' !== $current_screen->id ) {
		return;
	}

wp_enqueue_script( 'wp-lists' );
?>

.column-feedback_from img {
	float:left;
	margin-right:10px;
	margin-top:3px;
}

.widefat .column-feedback_from {
	width: 17%;
}
.widefat .column-feedback_date {
	width: 17%;
}

.spam a {
	color: #BC0B0B;
}

.untrash a {
	color: #D98500;
}

.unspam a {
color: #D98500;
}

</style>

<?php
}

/**
 * Hack a 'Bulk Spam' option for bulk edit in other than spam view
 * Hack a 'Bulk Delete' option for bulk edit in spam view
 *
 * There isn't a better way to do this until
 * http://core.trac.wordpress.org/changeset/17297 is resolved
 */
add_action( 'admin_head', 'grunion_add_bulk_edit_option' );
function grunion_add_bulk_edit_option() {

$screen = get_current_screen();

if ( is_null( $screen ) ) {
		return;
	}

if ( 'edit-feedback' != $screen->id ) {
		return;
	}

// When viewing spam we want to be able to be able to bulk delete
	// When viewing anything we want to be able to bulk move to spam
	if ( isset( $_GET['post_status'] ) && 'spam' == $_GET['post_status'] ) {
		// Create Delete Permanently bulk item
		$option_val = 'delete';
		$option_txt = __( 'Delete Permanently', 'jetpack' );
		$pseudo_selector = 'last-child';

} else {
		// Create Mark Spam bulk item
		$option_val = 'spam';
		$option_txt = __( 'Mark as Spam', 'jetpack' );
		$pseudo_selector = 'first-child';
	}

?>
		<script type="text/javascript">
			jQuery(document).ready(function($) {
				$('#posts-filter .actions select').filter('[name=action], [name=action2]').find('option:<?php echo $pseudo_selector; ?>').after('<option value="<?php echo $option_val; ?>"><?php echo esc_attr( $option_txt ); ?></option>' );
			})
		</script>
	<?php
}

/**
 * Hack an 'Empty Spam' button to spam view
 *
 * Leverages core's delete_all functionality
 */
add_action( 'admin_head', 'grunion_add_empty_spam_button' );
function grunion_add_empty_spam_button() {
	$screen = get_current_screen();

if ( is_null( $screen ) ) {
		return;
	}

// Only add to feedback, only to spam view
	if ( 'edit-feedback' != $screen->id
	|| empty( $_GET['post_status'] )
	|| 'spam' !== $_GET['post_status'] ) {
		return;
	}

// Get HTML for the button
	$button_html = wp_nonce_field( 'bulk-destroy', '_destroy_nonce', true, false );
	$button_html .= get_submit_button( __( 'Empty Spam', 'jetpack' ), 'apply', 'delete_all', false );

// Add the button next to the filter button via js
	?>
		<script type="text/javascript">
			jQuery(document).ready(function($) {
				$('#posts-filter #post-query-submit').after('<?php echo $button_html; ?>' );
			})
		</script>
	<?php
}

/**
 * Handle a bulk spam report
 */
add_action( 'admin_init', 'grunion_handle_bulk_spam' );
function grunion_handle_bulk_spam() {
	global $pagenow;

if ( 'edit.php' != $pagenow
	|| ( empty( $_REQUEST['post_type'] ) || 'feedback' != $_REQUEST['post_type'] ) )
		return;

// Slip in a success message
	if ( ! empty( $_REQUEST['message'] ) && 'marked-spam' == $_REQUEST['message'] )
		add_action( 'admin_notices', 'grunion_message_bulk_spam' );

if ( ( empty( $_REQUEST['action'] ) || 'spam' != $_REQUEST['action'] ) && ( empty( $_REQUEST['action2'] ) || 'spam' != $_REQUEST['action2'] ) ) {
		return;
	}

check_admin_referer('bulk-posts');

if ( empty( $_REQUEST['post'] ) ) {
		wp_safe_redirect( wp_get_referer() );
		exit;
	}

$post_ids = array_map( 'intval', $_REQUEST['post'] );

foreach( $post_ids as $post_id ) {
		if ( ! current_user_can( "edit_page", $post_id ) ) {
			wp_die( __( 'You are not allowed to manage this item.', 'jetpack' ) );
		}

$post = array(
				'ID'           => $post_id,
				'post_status'  => 'spam',
			);
		$akismet_values = get_post_meta( $post_id, '_feedback_akismet_values', true );
		wp_update_post( $post );

/**
		 * Fires after a comment has been marked by Akismet.
		 *
		 * Typically this means the comment is spam.
		 *
		 * @module contact-form
		 *
		 * @since 2.2.0
		 *
		 * @param string $comment_status Usually is 'spam', otherwise 'ham'.
		 * @param array $akismet_values From '_feedback_akismet_values' in comment meta
		 */
		do_action( 'contact_form_akismet', 'spam', $akismet_values );
	}

$redirect_url = add_query_arg( 'message', 'marked-spam', wp_get_referer() );
	wp_safe_redirect( $redirect_url );
	exit;
}

function grunion_message_bulk_spam() {
	echo '<div class="updated"><p>' . __( 'Feedback(s) marked as spam', 'jetpack' ) . '</p></div>';
}

// remove admin UI parts that we don't support in feedback management
add_action( 'admin_menu', 'grunion_admin_menu' );
function grunion_admin_menu() {
	global $menu, $submenu;
	unset( $submenu['edit.php?post_type=feedback'] );
}

add_filter( 'bulk_actions-edit-feedback', 'grunion_admin_bulk_actions' );
function grunion_admin_bulk_actions( $actions ) {
	global $current_screen;
	if ( 'edit-feedback' != $current_screen->id )
		return $actions;

unset( $actions['edit'] );
	return $actions;
}

add_filter( 'views_edit-feedback', 'grunion_admin_view_tabs' );
function grunion_admin_view_tabs( $views ) {
	global $current_screen;
	if ( 'edit-feedback' != $current_screen->id )
		return $actions;

unset( $views['publish'] );

preg_match( '|post_type=feedback\'( class="current")?\>(.*)\<span class=|', $views['all'], $match );
	if ( !empty( $match[2] ) )
		$views['all'] = str_replace( $match[2], __( 'Messages', 'jetpack' ) . ' ', $views['all'] );

return $views;
}

add_filter( 'manage_feedback_posts_columns', 'grunion_post_type_columns_filter' );
function grunion_post_type_columns_filter( $cols ) {
	$cols = array(
		'cb'	=> '<input type="checkbox" />',
		'feedback_from'		=> __( 'From', 'jetpack' ),
		'feedback_message'		=> __( 'Message', 'jetpack' ),
		'feedback_date'			=> __( 'Date', 'jetpack' )
	);

return $cols;
}

add_action( 'manage_posts_custom_column', 'grunion_manage_post_columns', 10, 2 );
function grunion_manage_post_columns( $col, $post_id ) {
	global $post;

/**
	 * Only call parse_fields_from_content if we're dealing with a Grunion custom column.
	 */
	if ( ! in_array( $col, array( 'feedback_date', 'feedback_from', 'feedback_message' ) ) ) {
		return;
	}

$content_fields = Grunion_Contact_Form_Plugin::parse_fields_from_content( $post_id );

switch ( $col ) {
		case 'feedback_from':
			$author_name  = isset( $content_fields['_feedback_author'] ) ? $content_fields['_feedback_author'] : '';
			$author_email = isset( $content_fields['_feedback_author_email'] ) ? $content_fields['_feedback_author_email'] : '';
			$author_url   = isset( $content_fields['_feedback_author_url'] ) ? $content_fields['_feedback_author_url'] : '';
			$author_ip    = isset( $content_fields['_feedback_ip'] ) ? $content_fields['_feedback_ip'] : '';
			$form_url     = isset( $post->post_parent ) ? get_permalink( $post->post_parent ) : null;

$author_name_line = '';
			if ( !empty( $author_name ) ) {
				if ( !empty( $author_email ) )
					$author_name_line = get_avatar( $author_email, 32 );

$author_name_line .= sprintf( "<strong>%s</strong><br />", esc_html( $author_name ) );
			}

$author_email_line = '';
			if ( !empty( $author_email ) ) {
				$author_email_line = sprintf( "<a href='%1\$s' target='_blank'>%2\$s</a><br />", esc_url( "mailto:" . $author_email ) , esc_html( $author_email ) );
			}

$author_url_line = '';
			if ( !empty( $author_url ) ) {
				$author_url_line = sprintf( "<a href='%1\$s'>%1\$s</a><br />", esc_url( $author_url ) );
			}

echo $author_name_line;
			echo $author_email_line;
			echo $author_url_line;
			echo "<a href='edit.php?post_type=feedback&s=" . urlencode( $author_ip );
			echo "&mode=detail'>" . esc_html( $author_ip ) . "</a><br />";
			if ( $form_url ) {
				echo '<a href="' . esc_url( $form_url ) . '">' . esc_html( $form_url ) . '</a>';
			}
			break;

case 'feedback_message':
			$post_type_object = get_post_type_object( $post->post_type );
			if ( isset( $content_fields['_feedback_subject'] ) ) {
				echo '<strong>';
				echo esc_html( $content_fields['_feedback_subject'] );
				echo '</strong>';
				echo '<br />';
			}
			echo sanitize_text_field( get_the_content( '' ) );
			echo '<br />';

$extra_fields = get_post_meta( $post_id, '_feedback_extra_fields', TRUE );
			if ( !empty( $extra_fields ) ) {
				echo '<br /><hr />';
				echo '<table cellspacing="0" cellpadding="0" style="">' . "\n";
				foreach ( (array) $extra_fields as $k => $v ) {
					// Remove prefix from exta fields
					echo "<tr><td align='right'><b>". esc_html( preg_replace( '#^\d+_#', '', $k ) ) ."</b></td><td>". sanitize_text_field( $v ) ."</td></tr>\n";
				}
				echo '</table>';
			}

echo '<div class="row-actions">';
			if ( $post->post_status == 'trash' ) {
				echo '<span class="untrash" id="feedback-restore-' . $post_id;
				echo '"><a title="';
				echo esc_attr__( 'Restore this item from the Trash', 'jetpack' );
				echo '" href="' . wp_nonce_url( admin_url( sprintf( $post_type_object->_edit_link . '&amp;action=untrash', $post->ID ) ), 'untrash-' . $post->post_type . '_' . $post->ID );
				echo '">' . __( 'Restore', 'jetpack' ) . '</a></span> | ';

echo "<span class='delete'> <a class='submitdelete' title='";
				echo esc_attr( __( 'Delete this item permanently', 'jetpack' ) );
				echo "' href='" . get_delete_post_link( $post->ID, '', true );
				echo "'>" . __( 'Delete Permanently', 'jetpack' ) . "</a></span>";
?>

<?php
			} elseif ( $post->post_status == 'publish' ) {
				echo '<span class="spam" id="feedback-spam-' . $post_id;
				echo '"><a title="';
				echo __( 'Mark this message as spam', 'jetpack' );
				echo '" href="' . wp_nonce_url( admin_url( 'admin-ajax.php?post_id=' . $post_id . '&amp;action=spam' ), 'spam-feedback_' . $post_id );
				echo '">Spam</a></span>';
				echo ' | ';

echo '<span class="delete" id="feedback-trash-' . $post_id;
				echo '">';
				echo '<a class="submitdelete" title="' . esc_attr__( 'Trash', 'jetpack' );
				echo '" href="' . get_delete_post_link( $post_id );
				echo '">' . __( 'Trash', 'jetpack' ) . '</a></span>';

$('#feedback-trash-<?php echo $post_id; ?>').click(function(e) {
		e.preventDefault();
		$.post(ajaxurl, {
				action: 'grunion_ajax_spam',
				post_id: '<?php echo $post_id; ?>',
				make_it: 'trash',
				sub_menu: jQuery('.subsubsub .current').attr('href'),
				_ajax_nonce: '<?php echo wp_create_nonce( 'grunion-post-status-' . $post_id ); ?>'
			},
			function(r) {
				$('#post-<?php echo $post_id; ?>')
					.css({backgroundColor: '#FF7979'})
					.fadeOut(350, function() {
						$(this).remove();
						$('.subsubsub').html(r);
					});
			}
		);
	});
});
</script>

<?php
			} elseif ( $post->post_status == 'spam' ) {
				echo '<span class="unspam unapprove" id="feedback-ham-' . $post_id;
				echo '"><a title="';
				echo __( 'Mark this message as NOT spam', 'jetpack' );
				echo '" href="">Not Spam</a></span>';
				echo ' | ';

echo "<span class='delete' id='feedback-trash-" . $post_id;
				echo "'> <a class='submitdelete' title='";
				echo esc_attr( __( 'Delete this item permanently', 'jetpack' ) );
				echo "' href='" . get_delete_post_link( $post->ID, '', true );
				echo "'>" . __( 'Delete Permanently', 'jetpack' ) . "</a></span>";
?>

<?php
			}
			break;

case 'feedback_date':

$date_time_format = _x( '%1$s \a\t %2$s', '{$date_format} \a\t {$time_format}', 'jetpack' );
			$date_time_format = sprintf( $date_time_format, get_option( 'date_format' ), get_option( 'time_format' ) );
			$time = date_i18n( $date_time_format, get_the_time( 'U' ) );

echo $time;
			break;
	}
}

function grunion_esc_attr( $attr ) {
	$out = esc_attr( $attr );
	// we also have to entity-encode square brackets so they don't interfere with the shortcode parser
	// FIXME: do this better - just stripping out square brackets for now since they mysteriously keep reappearing
	$out = str_replace( '[', '', $out );
	$out = str_replace( ']', '', $out );
	return $out;
}

function grunion_sort_objects( $a, $b ) {
	if ( isset($a['order']) && isset($b['order']) )
		return $a['order'] - $b['order'];
	return 0;
}

// take an array of field types from the form builder, and construct a shortcode form
// returns both the shortcode form, and HTML markup representing a preview of the form
function grunion_ajax_shortcode() {
	check_ajax_referer( 'grunion_shortcode' );

$attributes = array();

foreach ( array( 'subject', 'to' ) as $attribute ) {
		if ( isset( $_POST[$attribute] ) && strlen( $_POST[$attribute] ) ) {
			$attributes[$attribute] = stripslashes( $_POST[$attribute] );
		}
	}

if ( is_array( $_POST['fields'] ) ) {
		$fields = stripslashes_deep( $_POST['fields'] );
		usort( $fields, 'grunion_sort_objects' );

$field_shortcodes = array();

foreach ( $fields as $field ) {
			$field_attributes = array();

if ( isset( $field['required'] ) && 'true' === $field['required'] ) {
				$field_attributes['required'] = 'true';
			}

foreach ( array( 'options', 'label', 'type' ) as $attribute ) {
				if ( isset( $field[$attribute] ) ) {
					$field_attributes[$attribute] = $field[$attribute];
				}
			}

$field_shortcodes[] = new Grunion_Contact_Form_Field( $field_attributes );
		}
	}

$grunion = new Grunion_Contact_Form( $attributes, $field_shortcodes );

die( "\n$grunion\n" );
}

// takes a post_id, extracts the contact-form shortcode from that post (if there is one), parses it,
// and constructs a json object representing its contents and attributes
function grunion_ajax_shortcode_to_json() {
	global $post, $grunion_form;

check_ajax_referer( 'grunion_shortcode_to_json' );

if ( !isset( $_POST['content'] ) || !is_numeric( $_POST['post_id'] ) ) {
		die( '-1' );
	}

$content = stripslashes( $_POST['content'] );

// doesn't look like a post with a [contact-form] already.
	if ( false === has_shortcode( $content, 'contact-form' ) ) {
		die( '' );
	}

$post = get_post( $_POST['post_id'] );

do_shortcode( $content );

$grunion = Grunion_Contact_Form::$last;

$out = array(
		'to'      => '',
		'subject' => '',
		'fields'  => array(),
	);

foreach ( $grunion->fields as $field ) {
		$out['fields'][$field->get_attribute( 'id' )] = $field->attributes;
	}

$to = $grunion->get_attribute( 'to' );
	$subject = $grunion->get_attribute( 'subject' );
	foreach ( array( 'to', 'subject' ) as $attribute ) {
		$value = $grunion->get_attribute( $attribute );
		if ( isset( $grunion->defaults[$attribute] ) && $value == $grunion->defaults[$attribute] ) {
			$value = '';
		}
		$out[$attribute] = $value;
	}

die( json_encode( $out ) );
}

add_action( 'wp_ajax_grunion_shortcode', 'grunion_ajax_shortcode' );
add_action( 'wp_ajax_grunion_shortcode_to_json', 'grunion_ajax_shortcode_to_json' );

// process row-action spam/not spam clicks
add_action( 'wp_ajax_grunion_ajax_spam', 'grunion_ajax_spam' );
function grunion_ajax_spam() {
	global $wpdb;

if ( empty( $_POST['make_it'] ) ) {
		return;
	}

$post_id = (int) $_POST['post_id'];
	check_ajax_referer( 'grunion-post-status-' . $post_id );
	if ( ! current_user_can( "edit_page", $post_id ) ) {
		wp_die( __( 'You are not allowed to manage this item.', 'jetpack' ) );
	}

require_once dirname( __FILE__ ) . '/grunion-contact-form.php';

$current_menu = '';
	if ( isset( $_POST['sub_menu'] ) && preg_match( '|post_type=feedback|', $_POST['sub_menu'] ) ) {
		if ( preg_match( '|post_status=spam|', $_POST['sub_menu'] ) ) {
			$current_menu = 'spam';
		}
		elseif ( preg_match( '|post_status=trash|', $_POST['sub_menu'] ) ) {
			$current_menu = 'trash';
		}
		else {
			$current_menu = 'messages';
		}

}

$post = get_post( $post_id );
	$post_type_object = get_post_type_object( $post->post_type );
	$akismet_values   = get_post_meta( $post_id, '_feedback_akismet_values', TRUE );
	if ( $_POST['make_it'] == 'spam' ) {
		$post->post_status = 'spam';
		$status = wp_insert_post( $post );
		wp_transition_post_status( 'spam', 'publish', $post );

/** This action is already documented in modules/contact-form/admin.php */
		do_action( 'contact_form_akismet', 'spam', $akismet_values );
	} elseif ( $_POST['make_it'] == 'ham' ) {
		$post->post_status = 'publish';
		$status = wp_insert_post( $post );
		wp_transition_post_status( 'publish', 'spam', $post );

/** This action is already documented in modules/contact-form/admin.php */
		do_action( 'contact_form_akismet', 'ham', $akismet_values );

$comment_author_email = $reply_to_addr = $message = $to = $headers = false;
		$blog_url = parse_url( site_url() );

// resend the original email
		$email = get_post_meta( $post_id, '_feedback_email', TRUE );
		$content_fields = Grunion_Contact_Form_Plugin::parse_fields_from_content( $post_id );

if ( ! empty( $email ) && !empty( $content_fields ) ) {
			if ( isset( $content_fields['_feedback_author_email'] ) ) {
				$comment_author_email = $content_fields['_feedback_author_email'];
			}

if ( isset( $email['to'] ) ) {
				$to = $email['to'];
			}

if ( isset( $email['message'] ) ) {
				$message = $email['message'];
			}

if ( isset( $email['headers'] ) ) {
				$headers = $email['headers'];
			}
			else {
				$headers = 'From: "' . $content_fields['_feedback_author'] .'" <wordpress@' . $blog_url['host']  . ">\r\n";

if ( ! empty( $comment_author_email ) ){
					$reply_to_addr = $comment_author_email;
				}
				elseif ( is_array( $to ) ) {
					$reply_to_addr = $to[0];
				}

if ( $reply_to_addr ) {
					$headers .= 'Reply-To: "' . $content_fields['_feedback_author'] .'" <' . $reply_to_addr . ">\r\n";
				}

$headers .= "Content-Type: text/plain; charset=\"" . get_option('blog_charset') . "\"";
			}

/**
			 * Filters the subject of the email sent after a contact form submission.
			 *
			 * @module contact-form
			 *
			 * @since 3.0.0
			 *
			 * @param string $content_fields['_feedback_subject'] Feedback's subject line.
			 * @param array $content_fields['_feedback_all_fields'] Feedback's data from old fields.
			 */
			$subject = apply_filters( 'contact_form_subject', $content_fields['_feedback_subject'], $content_fields['_feedback_all_fields'] );

Grunion_Contact_Form::wp_mail( $to, $subject, $message, $headers );
		}
	} elseif( $_POST['make_it'] == 'publish' ) {
		if ( ! current_user_can($post_type_object->cap->delete_post, $post_id) ) {
			wp_die( __( 'You are not allowed to move this item out of the Trash.', 'jetpack' ) );
		}

if ( ! wp_untrash_post($post_id) ) {
			wp_die( __( 'Error in restoring from Trash.', 'jetpack' ) );
		}

} elseif( $_POST['make_it'] == 'trash' ) {
		if ( ! current_user_can($post_type_object->cap->delete_post, $post_id) ) {
			wp_die( __( 'You are not allowed to move this item to the Trash.', 'jetpack' ) );
		}

if ( ! wp_trash_post($post_id) ) {
			wp_die( __( 'Error in moving to Trash.', 'jetpack' ) );
		}

}

$sql = "
		SELECT post_status,
			COUNT( * ) AS post_count
		FROM `{$wpdb->posts}`
		WHERE post_type =  'feedback'
		GROUP BY post_status
	";
	$status_count = (array) $wpdb->get_results( $sql, ARRAY_A );

$status = array();
	$status_html = '';
	foreach ( $status_count as $i => $row ) {
		$status[$row['post_status']] = $row['post_count'];
	}

if ( isset( $status['publish'] ) ) {
		$status_html .= '<li><a href="edit.php?post_type=feedback"';
		if ( $current_menu == 'messages' ) {
			$status_html .= ' class="current"';
		}

$status_html .= '>' . __( 'Messages', 'jetpack' ) . ' <span class="count">';
		$status_html .= '(' . number_format( $status['publish'] ) . ')';
		$status_html .= '</span></a> |</li>';
	}

if ( isset( $status['trash'] ) ) {
		$status_html .= '<li><a href="edit.php?post_status=trash&amp;post_type=feedback"';
		if ( $current_menu == 'trash' )
			$status_html .= ' class="current"';

$status_html .= '>' . __( 'Trash', 'jetpack' ) . ' <span class="count">';
		$status_html .= '(' . number_format( $status['trash'] ) . ')';
		$status_html .= '</span></a>';
		if ( isset( $status['spam'] ) )
			$status_html .= ' |';
		$status_html .= '</li>';
	}

if ( isset( $status['spam'] ) ) {
		$status_html .= '<li><a href="edit.php?post_status=spam&amp;post_type=feedback"';
		if ( $current_menu == 'spam' )
			$status_html .= ' class="current"';

$status_html .= '>' . __( 'Spam', 'jetpack' ) . ' <span class="count">';
		$status_html .= '(' . number_format( $status['spam'] ) . ')';
		$status_html .= '</span></a></li>';
	}

echo $status_html;
	exit;
}

/**
 * Add the scripts that will add the "Check for Spam" button to the Feedbacks dashboard page.
 */
function grunion_enable_spam_recheck() {
	if ( ! defined( 'AKISMET_VERSION' ) ) {
		return;
	}

$screen = get_current_screen();

// Only add to feedback, only to non-spam view
	if ( 'edit-feedback' != $screen->id || ( ! empty( $_GET['post_status'] ) && 'spam' == $_GET['post_status'] ) ) {
		return;
	}

// Add the scripts that handle the spam check event.
	wp_register_script( 'grunion-admin', plugin_dir_url( __FILE__ ) . 'js/grunion-admin.js', array( 'jquery' ) );
	wp_enqueue_script( 'grunion-admin' );

wp_enqueue_style( 'grunion.css' );

// Add the actual "Check for Spam" button.
	add_action( 'admin_head', 'grunion_check_for_spam_button' );
}

add_action( 'admin_enqueue_scripts', 'grunion_enable_spam_recheck' );

/**
 * Add the "Check for Spam" button to the Feedbacks dashboard page.
 */
function grunion_check_for_spam_button() {
	// Get HTML for the button
	$button_html = get_submit_button(
		__( 'Check for Spam', 'jetpack' ),
		'secondary',
		'jetpack-check-feedback-spam',
		false,
		array( 'class' => 'jetpack-check-feedback-spam' )
	);
	$button_html .= '<span class="jetpack-check-feedback-spam-spinner"></span>';

// Add the button next to the filter button via js
	?>
	<script type="text/javascript">
		jQuery( function( $ ) {
			$( '#posts-filter #post-query-submit' ).after( '<?php echo $button_html; ?>' );
		} );
	</script>
	<?php
}

/**
 * Recheck all approved feedbacks for spam.
 */
function grunion_recheck_queue() {
	global $wpdb;

$query = 'post_type=feedback&post_status=publish';

if ( isset( $_POST['limit'], $_POST['offset'] ) ) {
		$query .= '&posts_per_page=' . intval( $_POST['limit'] ) . '&offset=' . intval( $_POST['offset'] );
	}

$approved_feedbacks = get_posts( $query );

foreach ( $approved_feedbacks as $feedback ) {
		$meta = get_post_meta( $feedback->ID, '_feedback_akismet_values', true );

/**
		 * Filter whether the submitted feedback is considered as spam.
		 *
		 * @module contact-form
		 *
		 * @since 3.4.0
		 *
		 * @param bool false Is the submitted feedback spam? Default to false.
		 * @param array $meta Feedack values returned by the Akismet plugin.
		 */
		$is_spam = apply_filters( 'jetpack_contact_form_is_spam', false, $meta );

if ( $is_spam ) {
			wp_update_post( array( 'ID' => $feedback->ID, 'post_status' => 'spam' ) );
			/** This action is already documented in modules/contact-form/admin.php */
			do_action( 'contact_form_akismet', 'spam', $akismet_values );
		}
	}

wp_send_json( array(
		'processed' => count( $approved_feedbacks ),
	) );
}

add_action( 'wp_ajax_grunion_recheck_queue', 'grunion_recheck_queue' );

Editing: admin.php

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