/** @var wpdb */

var $db;

var $global_site_search_base = 'site-search'; //domain.tld/BASE/ Ex: domain.tld/user/

function __construct() {

global $wpdb;

$this->db = $wpdb;

if ( in_array( get_current_blog_id(), global_site_search_get_allowed_blogs() ) ) {

add_action( 'init', array( $this, 'global_site_search_page_setup' ) );

// Add the rewrites

add_action( 'generate_rewrite_rules', array( $this, 'add_rewrite' ) );

add_filter( 'query_vars', array( $this, 'add_queryvars' ) );

add_filter( 'the_content', array( $this, 'global_site_search_output' ), 20 );

//add_filter( 'the_title', array( $this, 'global_site_search_title_output'), 99, 2 );

}

add_action( 'wpmu_options', array( $this, 'global_site_search_site_admin_options' ) );

add_action( 'update_wpmu_options', array( $this, 'global_site_search_site_admin_options_process' ) );

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

}

function add_queryvars( $vars ) {

// This function add the namespace (if it hasn't already been added) and the

// eventperiod queryvars to the list that WordPress is looking for.

// Note: Namespace provides a means to do a quick check to see if we should be doing anything

return array_unique( array_merge( $vars, array( 'namespace', 'search', 'paged', 'type' ) ) );

}

function add_rewrite( $wp_rewrite ) {

// This function adds in the api rewrite rules

// Note the addition of the namespace variable so that we know these are vent based

// calls

$new_rules = array();

$new_rules[$this->global_site_search_base . '/(.+)/page/?([0-9]{1,})'] = 'index.php?namespace=gss&search=' . $wp_rewrite->preg_index( 1 ) . '&paged=' . $wp_rewrite->preg_index( 2 ) . '&type=search&pagename=' . $this->global_site_search_base;

$new_rules[$this->global_site_search_base . '/(.+)'] = 'index.php?namespace=gss&search=' . $wp_rewrite->preg_index( 1 ) . '&type=search&pagename=' . $this->global_site_search_base;

$new_rules[$this->global_site_search_base] = 'index.php?namespace=gss&type=search&pagename=' . $this->global_site_search_base;

$wp_rewrite->rules = $new_rules + $wp_rewrite->rules;

return $wp_rewrite;

}

function global_site_search_page_setup() {

$page_id = get_option( 'global_site_search_page', false );

if ( empty( $page_id ) || !is_object( get_post( $page_id ) ) && is_super_admin() ) {

// a page hasn't been set - so check if there is already one with the base name

$page_id = $this->db->get_var( $this->db->prepare(

"SELECT ID FROM {$this->db->posts} WHERE post_name = %s AND post_type = 'page'",

$this->global_site_search_base

) );

if ( empty( $page_id ) ) {

// Doesn't exist so create the page

$page_id = wp_insert_post( array(

"post_content" => '',

"post_title" => __( 'Site Search', 'globalsitesearch' ),

"post_excerpt" => '',

"post_status" => 'publish',

"comment_status" => 'closed',

"ping_status" => 'closed',

"post_name" => $this->global_site_search_base,

"post_type" => 'page',

) );

flush_rewrite_rules();

}

update_option( 'global_site_search_page', $page_id );

}

}

function global_site_search_site_load_textdomain() {

load_plugin_textdomain( 'globalsitesearch', false, dirname( plugin_basename( __FILE__ ) ) . '/languages/' );

}

function global_site_search_site_admin_options() {

$global_site_search_per_page = get_site_option( 'global_site_search_per_page', 10 );

$global_site_search_post_type = get_site_option( 'global_site_search_post_type', 'post' );

$post_types = $this->db->get_col( "SELECT post_type FROM {$this->db->base_prefix}network_posts GROUP BY post_type" );

?><h3><?php _e( 'Site Search', 'globalsitesearch' ) ?></h3>

<table class="form-table">

<tr valign="top">

<th width="33%" scope="row"><?php _e( 'Listing Per Page', 'globalsitesearch' ) ?></th>

<td>

<select name="global_site_search_per_page" id="global_site_search_per_page">

<?php for ( $i = 5; $i <= 50; $i += 5 ) : ?>

<option<?php selected( $global_site_search_per_page, $i ) ?>><?php echo $i ?></option>

<?php endfor; ?>

</select>

</td>

</tr>

<tr valign="top">

<th width="33%" scope="row"><?php _e( 'Background Color', 'globalsitesearch' ) ?></th>

<td>

<input name="global_site_search_background_color" type="text" id="global_site_search_background_color" value="<?php echo esc_attr( get_site_option( 'global_site_search_background_color', '#F2F2EA' ) ) ?>" size="20">

<br><?php _e( 'Default', 'globalsitesearch' ) ?>: #F2F2EA

</td>

</tr>

<tr valign="top">

<th width="33%" scope="row"><?php _e( 'Alternate Background Color', 'globalsitesearch' ) ?></th>

<td>

<input name="global_site_search_alternate_background_color" type="text" id="global_site_search_alternate_background_color" value="<?php echo esc_attr( get_site_option( 'global_site_search_alternate_background_color', '#FFFFFF' ) ) ?>" size="20">

<br><?php _e( 'Default', 'globalsitesearch' ) ?>: #FFFFFF

</td>

</tr>

<tr valign="top">

<th width="33%" scope="row"><?php _e( 'Border Color', 'globalsitesearch' ) ?></th>

<td>

<input name="global_site_search_border_color" type="text" id="global_site_search_border_color" value="<?php echo esc_attr( get_site_option( 'global_site_search_border_color', '#CFD0CB' ) ) ?>" size="20">

<br><?php _e( 'Default', 'globalsitesearch' ) ?>: #CFD0CB

</td>

</tr>

<tr valign="top">

<th width="33%" scope="row"><?php _e( 'List Post Type', 'globalsitesearch' ) ?></th>

<td>

<select name="global_site_search_post_type" id="global_site_search_post_type">

<option value="all"><?php _e( 'all', 'globalsitesearch' ) ?></option>

<?php foreach ( $post_types as $r ) : ?>

<option value="<?php echo esc_attr( $r ) ?>"<?php selected( $global_site_search_post_type, $r ) ?> ><?php _e( $r, 'globalsitesearch' ) ?></option>

<?php endforeach; ?>

</select>

</td>

</tr>

</table><?php

}

function global_site_search_site_admin_options_process() {

update_site_option( 'global_site_search_per_page', filter_input( INPUT_POST, 'global_site_search_per_page', FILTER_VALIDATE_INT, array(

'options' => array(

'min_range' => 5,

'max_range' => 50,

'default' => 10,

),

) ) );

update_site_option( 'global_site_search_background_color', trim( filter_input( INPUT_POST, 'global_site_search_background_color' ) ) );

update_site_option( 'global_site_search_alternate_background_color', trim( filter_input( INPUT_POST, 'global_site_search_alternate_background_color' ) ) );

update_site_option( 'global_site_search_border_color', trim( filter_input( INPUT_POST, 'global_site_search_border_color' ) ) );

update_site_option( 'global_site_search_post_type', filter_input( INPUT_POST, 'global_site_search_post_type' ) );

}

function global_site_search_title_output( $title ) {

global $current_site, $wp_query;

if ( isset( $wp_query->query_vars['namespace'] ) && $wp_query->query_vars['namespace'] == 'gss' && $wp_query->query_vars['type'] == 'search' ) {

$title = '<a href="http://' . $current_site->domain . $current_site->path . $this->global_site_search_base . '/">' . __( 'Site Search', 'globalsitesearch' ) . '</a>';

if ( isset( $wp_query->query_vars['paged'] ) && $wp_query->query_vars['paged'] > 1 ) {

$search = isset( $wp_query->query_vars['search'] ) ? $wp_query->query_vars['search'] : '';

$title .= ' &raquo; <a href="http://' . $current_site->domain . $current_site->path . $this->global_site_search_base . '/' . urlencode( $search ) . '/page/' . $wp_query->query_vars['paged'] . '/">' . $wp_query->query_vars['paged'] . '</a>';

}

}

return $title;

}

function global_site_search_output( $content ) {

global $wp_query;

if ( !isset( $wp_query->query_vars['namespace'] ) || $wp_query->query_vars['namespace'] != 'gss' || $wp_query->query_vars['type'] != 'search' ) {

return $content;

}

// We are on a search results page

$global_site_search_per_page = get_site_option( 'global_site_search_per_page', '10' );

$global_site_search_post_type = get_site_option( 'global_site_search_post_type', 'post' );

//=====================================//

//

$phrase = isset( $wp_query->query_vars['search'] ) ? urldecode( $wp_query->query_vars['search'] ) : '';

if ( empty( $phrase ) && isset( $_REQUEST['phrase'] ) ) {

$phrase = trim( $_REQUEST['phrase'] );

}

if ( empty( $phrase ) ) {

ob_start();

global_site_search_form();

$content .= ob_get_clean();

return $content;

}

$theauthor = get_user_by( 'login', $phrase );

if ( is_object( $theauthor ) ) {

$author_id = $theauthor->ID;

}

$parameters = array();

if ( isset( $author_id ) && is_numeric( $author_id ) && $author_id != 0 ) {

$parameters['author'] = $author_id;

} else {

$parameters['s'] = $phrase;

}

$parameters['post_type'] = $global_site_search_post_type != 'all'

? $global_site_search_post_type

: $this->db->get_col( "SELECT post_type FROM {$this->db->base_prefix}network_posts GROUP BY post_type" );

// Add in the start and end numbers

$parameters['posts_per_page'] = absint( $global_site_search_per_page );

// Set the page number

if ( !isset( $wp_query->query_vars['paged'] ) || $wp_query->query_vars['paged'] <= 1 ) {

$parameters['paged'] = 1;

$start = 0;

} else {

$parameters['paged'] = absint( $wp_query->query_vars['paged'] );

$start = $global_site_search_per_page * ( $wp_query->query_vars['paged'] - 1 );

}

//=====================================//

ob_start();

$network_query_posts = network_query_posts( $parameters );

include global_site_search_locate_template( 'global-site-search.php' );

$content .= ob_get_clean();

return $content;

}