Advanced Search Foundation

class-advanced-search.php

<?php

class Advanced_Search {

	public $version = 1;

	public function __construct() {
		// WordPress Hooks
		$this->hooks();
	}

	public function hooks() {
        add_action( 'pre_get_posts',                            array( $this,   'override_search_parameters' ), 5, 1 );
	}

    public function override_search_parameters( $query ) {
        if( $query->is_main_query() && ! is_admin() ) {
            if( $query->is_search ) {
                $search_term = $query->get( 's' );

                // Set these Post Types
                $query->set( 'post_type',       apply_filters( 'ko_search_post_types', array( 'sfwd-courses', 'magazine', 'discount', 'post', 'page' ) ) );


                $args = array (
                    'role' => 'author',
                    'order' => 'ASC',
                    'orderby' => 'display_name',
                    'search' => '*'.esc_attr( $search_term ).'*',
                    'meta_query' => array(
                        'relation' => 'OR',
                        array(
                            'key'     => 'first_name',
                            'value'   => $search_term,
                            'compare' => 'LIKE'
                        ),
                        array(
                            'key'     => 'last_name',
                            'value'   => $search_term,
                            'compare' => 'LIKE'
                        ),
                        array(
                            'key' => 'description',
                            'value' => $search_term ,
                            'compare' => 'LIKE'
                        )
                    )
                );

                $instructors = new WP_User_Query( $args );
                if( count( $instructors->results >= 1 ) ) {
                    $query->set( 'instructors', $instructors->results );
                }

                $total_users = count( $instructors->results );

                $query->set( 'posts_per_page',  apply_filters( 'ko_search_posts_per_page', 100 - $total_users ) );
            }
        }
    }
}

$advanced_search = new Advanced_Search();

functions.php

include_once( 'lib/class-advanced-search.php' );

kelbyone.css

#search-filters {}
#search-filters ul { margin-left: 0px; }
#search-filters  li { list-style-type: none; width: 16.6%; float: left; }
#search-filters {}
.button.filter {  display: inline-block;  width: 100%; zoom: 1; /* zoom and *display = ie7 hack for display:inline-block */
    *display: inline; vertical-align: baseline; margin: 0 2px; outline: none; cursor: pointer; text-align: center;  text-decoration: none;
    padding: .5em 2em .55em; text-shadow: 0 1px 1px rgba(0,0,0,.3);    /*
    -webkit-border-radius: .5em;
    -moz-border-radius: .5em;
    border-radius: .5em;    */
    -webkit-box-shadow: 0 1px 2px rgba(0,0,0,.2); -moz-box-shadow: 0 1px 2px rgba(0,0,0,.2); box-shadow: 0 1px 2px rgba(0,0,0,.2);
}

.button.filter.white {
    color: #606060;  border: solid 1px #b7b7b7; background: #fff;  background: -webkit-gradient(linear, left top, left bottom, from(#fff), to(#ededed));
    background: -moz-linear-gradient(top,  #fff,  #ededed);    filter:  progid:DXImageTransform.Microsoft.gradient(startColorstr='#ffffff', endColorstr='#ededed');
}
.button.filter.white:hover {
    background: #ededed;   background: -webkit-gradient(linear, left top, left bottom, from(#fff), to(#dcdcdc));
    background: -moz-linear-gradient(top,  #fff,  #dcdcdc); filter:  progid:DXImageTransform.Microsoft.gradient(startColorstr='#ffffff', endColorstr='#dcdcdc');
}
.button.filter.white:active {
    color: #999; background: -webkit-gradient(linear, left top, left bottom, from(#ededed), to(#fff));
    background: -moz-linear-gradient(top,  #ededed,  #fff); filter:  progid:DXImageTransform.Microsoft.gradient(startColorstr='#ededed', endColorstr='#ffffff');
}

.button.filter.orange {
    color: #fef4e9;  border: solid 1px #da7c0c; background: #f78d1d;   background: -webkit-gradient(linear, left top, left bottom, from(#faa51a), to(#f47a20));
    background: -moz-linear-gradient(top,  #faa51a,  #f47a20);  filter:  progid:DXImageTransform.Microsoft.gradient(startColorstr='#faa51a', endColorstr='#f47a20');
}
.button.filter.orange:hover {
    background: #f47c20; background: -webkit-gradient(linear, left top, left bottom, from(#f88e11), to(#f06015));
    background: -moz-linear-gradient(top,  #f88e11,  #f06015);  filter:  progid:DXImageTransform.Microsoft.gradient(startColorstr='#f88e11', endColorstr='#f06015');
}
.button.filter.orange:active {
    color: #fcd3a5; background: -webkit-gradient(linear, left top, left bottom, from(#f47a20), to(#faa51a));
    background: -moz-linear-gradient(top,  #f47a20,  #faa51a); filter:  progid:DXImageTransform.Microsoft.gradient(startColorstr='#f47a20', endColorstr='#faa51a');
}

search.php

<?php
/**
 * The template for displaying search results pages.
 *
 * @package WordPress
 * @subpackage Kelby_One
 * @since KelbyOne 1.0
 */

get_header(); ?>

	<section id="primary" class="content-area">
		<main id="main" class="site-main" role="main">

		<?php if ( have_posts() ) : ?>

		<div class="container">
			<div class="row">
				<div class="col-md-12">
					
					<header class="page-header">
						<h1 class="page-title"><?php printf( __( 'Search Results for: %s', 'kelbyone' ), get_search_query() ); ?></h1>
					</header><!-- .page-header -->

                    <div id="search-filters">
                        <ul>
                            <li class="search-filter"><a class="button white filter" href="#">Instructors</a></li>
                            <li class="search-filter"><a class="button white filter" href="#">Courses</a></li>
                            <li class="search-filter"><a class="button white filter" href="#">Magazines</a></li>
                            <li class="search-filter"><a class="button white filter" href="#">Discounts</a></li>
                            <li class="search-filter"><a class="button white filter" href="#">Pages</a></li>
                            <li class="search-filter"><a class="button white filter" href="#">Posts</a></li>
                        </ul>
                    </div>
					<?php
					// Start the loop.
					while ( have_posts() ) : the_post(); ?>

					<article id="post-<?php the_ID(); ?>" <?php post_class(); ?>>

						<header class="entry-header">

							<?php the_title( sprintf( '<h2 class="entry-title"><a href="%s" rel="bookmark">', esc_url( get_permalink() ) ), '</a></h2>' ); ?>

						</header><!-- .entry-header -->

					</article><!-- #post-## -->

					<?php endwhile; // End the loop.

					// Previous/next page navigation.
					the_posts_pagination( array(
						'prev_text'          => __( 'Previous page', 'kelbyone' ),
						'next_text'          => __( 'Next page', 'kelbyone' ),
						'before_page_number' => '<span class="meta-nav screen-reader-text">' . __( 'Page', 'kelbyone' ) . ' </span>',
					) );

					// If no content, include the "No posts found" template.
					else : ?>
						<header class="page-header">
							<h1 class="page-title"><?php printf( __( 'Search Results for: %s', 'kelbyone' ), get_search_query() ); ?></h1>
						</header><!-- .page-header -->

						<?php get_template_part( 'content', 'none' ); ?>

					<?php endif; ?>

				</div>
			</div>
		</div>

		</main><!-- .site-main -->
	</section><!-- .content-area -->

<?php get_footer(); ?>