File classes/controllers/PocketListings.php | HJI WP Membership Code Reference

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<?php
namespace REL\controllers;

use \hji\membership\Membership;
use \REL\Models\ListingViewModel;
use \REL\Taxonomies\CustomTaxonomies;
use \hji\common\utils\MetaBoxes;

require_once(REL_CONTROLLERS . 'Admin.php');
require_once(Membership::$dir . '/common/utils/MetaBoxes.php');


class PocketListings
{
    private static $_instance;

    // Meta fields prefix

    const PREFIX = '_pl_';

    // Custom post type

    public $post_type = 'listing';
    const POST_TYPE = 'listing';

    // Custom post type slugs

    private $singular_slug  = 'listing';
    private $plural_slug    = 'listings';


    private function __construct()
    {
        MetaBoxes::add(self::getMetaboxSettings());
        $this->registerActions();
    }


    /**
     * @since 2.0.0
     * @return PocketListings
     */
    static function getInstance()
    {
        if (!(self::$_instance instanceof self))
        {
            self::$_instance = new self();
        }

        return self::$_instance;
    }


    /**
     * @since 2.0.0
     */
    function registerActions()
    {
        // Initialize custom post type

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

        // Register custom taxonomies

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

        // Adding front-end styles

        add_action('wp_print_styles', array($this, 'add_styles'));

        // Alter $wp_query to output listings in a way we want

        add_action('pre_get_posts', array($this, 'wp_query_listings'));


        // Template Redirection

        add_filter('template_include', array($this, 'use_template'));

        // Setting index to 100 assuming that all templates will be loaded by then.
        add_filter('template_include', array($this, 'pocket_listing_play_nice_with_default_template'), 100);
        add_filter('excerpt_more', array($this, 'set_pocket_listing_excerpt'), 100);

        // Property listing content output - using priority 7 to support embedded media,
        // because WP runs oEmbed with priority 8.

        add_filter('the_content', array($this, 'listing_output'), 7);
    }


    /**
     * Registering custom post types
     */
    function create_post_type()
    {
        // Check settings for custom url slugs

        $general_settings = Admin::getSettings();

        if (isset($general_settings['singular_slug']))
        {
            $this->singular_slug = $general_settings['singular_slug'];
        }

        if (isset($general_settings['plural_slug']))
        {
            $this->plural_slug = $general_settings['plural_slug'];
        }

        $singular = __('Listing', 'rel');
        $plural   = __('Listings', 'rel');

        $args = apply_filters('rel_post_type_args',
            array(
                'label'              => $singular,
                'labels'             => array(
                    'name'               => 'Pocket Listings',
                    'singular_name'      => $singular,
                    'add_new'            => _x('Add New Listing', 'rel'),
                    'all_items'          => sprintf(_x('All %s', 'rel'), $plural),
                    'add_new_item'       => sprintf(_x('Add New %s', 'rel'), $singular),
                    'edit_item'          => sprintf(__('Edit %s', 'rel'), $singular),
                    'new_item'           => sprintf(_x('New %s', 'rel'), $singular),
                    'view_item'          => sprintf(_x('View %s', 'rel'), $singular),
                    'search_items'       => sprintf(_x('Search %s', 'rel'), $plural),
                    'not_found'          => sprintf(_x('No %s found', 'rel'), $plural),
                    'not_fount_in_trash' => sprintf(_x('No %s found in Trash', 'rel'), $plural),
                ),
                'description'        => _x('Real estate property listings.', 'rel'),
                'public'             => true,
                'publicly_queryable' => true,
                'show_ui'            => true,
                'show_in_menu'       => true,
                'menu_position'      => 20,
                'menu_icon'          => Membership::$url . '/resources/images/admin-menu.png',
                'capability_type'    => 'post',
                'hierarchical'       => false,
                'supports'           => array(
                    'title', 'editor', 'thumbnail', 'page-attributes'
                ),
                'taxonomies'         => array_keys($this->taxonomy_args()),
                'has_archive'        => $this->plural_slug,
                'rewrite'            => array(
                    'slug' => $this->singular_slug, 'feeds' => true, 'with_front' => false
                ),
                'query_var'          => true,
                'can_export'         => true,
                'show_in_nav_menus'  => false,
            )
        );

        register_post_type($this->post_type, $args);
    }


    /**
     * Property listing taxonomy structure
     */
    function taxonomy_args()
    {
        // Taxonomy_code_name => Label

        $taxonomy_args = array(
            'mainfeatures'  => array(
                'singular' => __('Main Feature', 'rel'),
                'plural'   => __('Main Features', 'rel'),
            ),

            'features'      => array(
                'singular' => __('Feature', 'rel'),
                'plural'   => __('Additional Features', 'rel'),
            ),
            'listing-type'  => array(
                'singular' => __('Listing Type', 'rel'),
                'plural'   => __('Listing Types', 'rel'),
            ),
            'property-type' => array(
                'singular' => __('Property Type', 'rel'),
                'plural'   => __('Property Types', 'rel'),
            ),
            'city'          => array(
                'singular' => __('City', 'rel'),
                'plural'   => __('Cities', 'rel'),
            ),
            'neighborhood'  => array(
                'singular' => __('Neighborhood', 'rel'),
                'plural'   => __('Neighborhoods', 'rel')
            ),
        );

        $taxonomy_args = apply_filters('rel_taxonomy_args', $taxonomy_args);

        return $taxonomy_args;
    }


    static function getMetaboxSettings()
    {
        $address = array(
            'id'           => 'address',
            'title'        => __('Property Address', 'rel'),
            'object_types'        => array('listing'),
            'context'      => 'normal',
            'priority'     => 'high',
            'show_names'   => true,
            'fields'       => array(
                array(
                    'name'      => __('Street Address', 'rel'),
                    'id'        => self::PREFIX . 'street',
                    'type'      => 'text',
                ),
                array(
                    'name'      => __('Unit', 'rel'),
                    'id'        => self::PREFIX . 'unit',
                    'type'      => 'text',
                ),
                array(
                    'name'      => __('City', 'rel'),
                    'id'        => self::PREFIX . 'city',
                    'type'      => 'text',
                ),
                array(
                    'name'      => __('State', 'rel'),
                    'id'        => self::PREFIX . 'state',
                    'type'      => 'text',
                ),
                array(
                    'name'      => __('Zip', 'rel'),
                    'id'        => self::PREFIX . 'postalcode',
                    'type'      => 'text',
                )
            )
        );

        $listing_details = array(
            'id'           => 'listing_details',
            'title'        => __('Property Details', 'rel'),
            'object_types'        => array('listing'),
            'context'      => 'normal',
            'priority'     => 'high',
            'show_names'   => true,
            'fields' => array(
                array(
                    'name'      => __('MLS #', 'rel'),
                    'id'        => self::PREFIX . 'mls',
                    'type'      => 'text',
                ),
                array(
                    'name'      => __('Price', 'rel'),
                    'id'        => self::PREFIX . 'price',
                    'type'      => 'text_price',
                ),
                array(
                    'name'      => __('Beds', 'rel'),
                    'id'        => self::PREFIX . 'beds',
                    'type'      => 'text',
                ),
                array(
                    'name'      => __('Baths', 'rel'),
                    'id'        => self::PREFIX . 'baths',
                    'type'      => 'text',
                ),
                array(
                    'name'      => __('Size SqFt', 'rel'),
                    'id'        => self::PREFIX . 'sqft',
                    'type'      => 'text',
                ),
                array(
                    'name'      => __('Year Built', 'rel'),
                    'id'        => self::PREFIX . 'year',
                    'type'      => 'text',
                ),
                array(
                    'name'      => __('Taxes', 'rel'),
                    'id'        => self::PREFIX . 'taxes',
                    'type'      => 'text_price',
                ),
                array(
                    'name'      => __('Levels', 'rel'),
                    'id'        => self::PREFIX . 'levels',
                    'type'      => 'text',
                ),
                array(
                    'name'      => __('Parking', 'rel'),
                    'id'        => self::PREFIX . 'parking',
                    'type'      => 'text',
                ),
                array(
                    'name'      => __('HOA', 'rel'),
                    'id'        => self::PREFIX . 'hoa',
                    'type'      => 'text',
                )
            )
        );

        $photos     = array(
            'id'         => 'photos',
            'title'      => __('Property Photos', 'rel'),
            'object_types'        => array('listing'),
            'context'      => 'normal',
            'priority'     => 'high',
            'show_names'   => true,
            'fields'     => array(
                array(
                    'name'  => 'Images',
                    'desc'  => 'Upload and manage property photos',
                    'button' => 'Manage gallery',
                    'id'    => self::PREFIX . 'photos',
                    'type'  => 'pw_gallery',
                    'sanitization_cb' => 'pw_gallery_field_sanitise',
                ),
            )
        );

        $video_code = array(
            'id'         => 'video',
            'title'      => __('Property Video Tour', 'rel'),
            'object_types'        => array('listing'),
            'context'      => 'normal',
            'priority'     => 'high',
            'show_names'   => true,
            'fields'     => array(
                array(
                    'name' => __('Embedded Video Code', 'rel'),
                    'id'    => self::PREFIX . 'video_code',
                    'type'  => 'oembed',
                )
            )
        );

        $latlng = array(
            'id'     => 'latlng',
            'title'  => __('Latitude/Longitude', 'rel'),
            'object_types'        => array('listing'),
            'context'      => 'normal',
            'priority'     => 'high',
            'show_names'   => true,
            'fields' => array(
                array(
                    'id'         => self::PREFIX . 'lat',
                    'name'      => __('Latitude', 'rel'),
                    'type' => 'text_medium'
                ),
                array(
                    'id'         => self::PREFIX . 'lng',
                    'name'      => __('Longitude', 'rel'),
                    'type' => 'text_medium'
                )
            )
        );

        $maps = array(
            'id'           => 'maps',
            'title'        => __('Property Maps', 'rel'),
            'object_types'        => array('listing'),
            'context'      => 'normal',
            'priority'     => 'high',
            'show_names'   => true,
            'fields'       => array(
                array(
                    'id'         => self::PREFIX . 'gmap',
                    'name'      => __('Google Map', 'rel'),
                    'type' => 'checkbox',
                    'desc'  => __('Address fields are required for Google Map to function.', 'rel')
                ),
                array(
                    'id'         => self::PREFIX . 'birdseye',
                    'name'      => __('Bird\'s Eye View', 'rel'),
                    'type' => 'checkbox',
                    'desc'  => __('Latitude/Longitude are required for Bird\'s Eye View.', 'rel')
                )
            )
        );

        $plMetaBoxes = array(
            'address'           => $address,
            'listing_details'   => $listing_details,
            'photos'            => $photos,
            'video_code'        => $video_code,
            'latlng'            => $latlng,
            'maps'              => $maps
        );

        $return = apply_filters('hji_pocket_listings_metaboxes', $plMetaBoxes);
        return $return;
    }


    /**
     * Registering custom taxonomies
     */
    function register_taxonomies()
    {
        require_once(REL_UTILS . 'custom-taxonomies/CustomTaxonomies.php');

        $tax              = new CustomTaxonomies(self::POST_TYPE, self::taxonomy_args());
        $tax->register_taxonomies();

        $this->taxonomies = $tax->get_taxonomies();
    }


    /**
     * Load front-end styles
     */
    function add_styles()
    {
        wp_enqueue_style('rel_css', REL_STYLES . 'style.min.css');
    }


    /**
     * Altering wp_query before it gets executed
     *  - setting results per page value
     *
     * @param $query
     */
    function wp_query_listings($query)
    {
        // WP has a bug in pagination where it grabs
        // per page number of items ordered by date
        // this causes duplicate items spanned across multiple
        // pages if their post dare are the same.
        // So, we reorder by ID, since they are unique.
//        && $query->is_archive() && $query->is_tax()


        if (!is_admin() &&
            ($query->is_main_query() && ($query->get('post_type') == $this->post_type)) &&
            !$query->is_tax())
        {
            $general_settings = Admin::getSettings();

            $per_page = 24; //default

            if (isset($general_settings['per_page']) && $general_settings['per_page'] != null)
            {
                $per_page = $general_settings['per_page'];
            }

            $query->set('posts_per_page', $per_page);

            // Sort listings per user settings

            self::setQueryOrder($query);
        }

        else if (!is_admin() &&
            ($query->is_main_query() && $query->is_tax()))
        {
            $args       = array(
                'object_type' => array($this->post_type)
            );

            $taxonomies = get_taxonomies($args, 'names');

            $is_listing = false;
            $in_tax     = false;

            // Check if archive

            if ($query->is_archive())
            {
                // Is it listings archive?

                if ($query->get('post_type') == $this->post_type)
                {
                    $is_listing = true;
                }
                // Is it taxonomy archive?
                else if ($query->is_tax())
                {
                    // Get listing taxonomies and check if current request belongs to listing post type

                    $args       = array(
                        'object_type' => array($this->post_type)
                    );
                    $taxonomies = get_taxonomies($args, 'names');

                    if (count($query->query) > 0)
                    {
                        foreach ($query->query as $k => $v)
                        {
                            if (in_array($k, $taxonomies))
                            {
                                $in_tax = true;
                                break;
                            }
                        }
                    }
                }

                // Set query parameters

                if ($is_listing || $in_tax)
                {
                    $general_settings = Admin::getSettings();

                    $per_page = 24; //default

                    if (isset($general_settings['per_page']) && $general_settings['per_page'] != null)
                    {
                        $per_page = $general_settings['per_page'];
                    }

                    $query->set('posts_per_page', $per_page);

                    self::setQueryOrder($query);
                }

            }
        }

        return $query;
    }


    /**
     * @since 2.0.0
     * @param \WP_Query $query
     * @return \WP_Query
     */
    static function setQueryOrder(\WP_Query $query)
    {
        $args = self::getQueryOrderArgs();

        if (!empty($args))
        {
            foreach ($args as $k => $v)
            {
                $query->set($k, $v);
            }
        }

        return $query;
    }


    /**
     * @since 2.0.0
     * @return array
     */
    static function getQueryOrderArgs()
    {
        $args = array();
        $general_settings = Admin::getSettings();

        if (isset($general_settings['orderby']) && isset($general_settings['order']))
        {
            if (strpos($general_settings['orderby'], self::PREFIX) !== false)
            {
                $args['orderby']  = 'meta_value_num';
                $args['meta_key'] = self::PREFIX . 'price';
            }
            else
            {
                $args['orderby']  = $general_settings['orderby'];
            }

            $args['order']  = $general_settings['order'];
        }
        else
        {
            $args['order']    = 'DESC';
            $args['orderby']  = 'ID';
        }

        return $args;
    }


    /**
     * Renders templates based on the ones selected in general settings of the plugin
     */
    function use_template($template)
    {
        global $post;

        if (is_object($post) && $this->post_type == $post->post_type)
        {
            $general_settings = Admin::getSettings();

            $grid = (isset($general_settings['layout']) && !empty($general_settings['layout']))
                ? $general_settings['layout'] : null;

            $theme = wp_get_theme(); // Get current theme info

            if (is_archive())
            {
                if ((isset($general_settings['listings_template']) &&
                    !empty($general_settings['listings_template'])))
                {
                    $located = locate_template($general_settings['listings_template']);

                    if (!empty($located))
                    {
                        $template = $located;
                    }
                }
                // Check if current theme is Avenue, fallback onto the template inside the plugin's folder
                else if (stristr($theme->get('Name'), 'avenue'))
                {
                    $template = REL_PATH . 'templates/Avenue/archive-listing.php';
                }
            }
            else if (is_singular())
            {
                if ((isset($general_settings['listing_template']) &&
                    !empty($general_settings['listing_template'])))
                {
                    $located = locate_template($general_settings['listing_template']);

                    if (!empty($located))
                    {
                        $template = $located;
                    }
                }
            }
        }

        return $template;
    }


    /**
     * A Hack to make Pocket Listings play nice
     * with default theme templates.
     *
     * Possible issue that it solves:
     *
     * Default archive.php and single.php of any theme
     * can render post thumbnails by default. Since Pocket Listings
     * implements main listing photo as Featured Image of the post,
     * there is a risk of duplicate photo being rendered.
     *
     * This hack checks if default templates are used for listing post types
     * and if so, fires up filter that removes the_post_thumbnail() content.
     */

    function pocket_listing_play_nice_with_default_template($template)
    {
        global $post;

        if (!$post || $post->post_type !== 'listing')
            return $template;

        $fileName = basename($template);

        // Check if it's a default template
        if ($fileName == 'archive.php' || $fileName == 'single.php')
        {
            // A big chance that it calls get_post_thumbnail(),
            // which will cause to display duplicate photo for each listing snippet
            add_filter('post_thumbnail_html', array($this, 'remove_extra_thumbnail'));
        }

        return $template;
    }


    /**
     * Removes thumbnail html from listing post type
     *
     * @param $html
     * @return mixed
     */
    function remove_extra_thumbnail($html)
    {
        global $post;

        if ($post->post_type == $this->post_type)
        {
            return;
        }

        return $html;
    }


    /**
     * Another hack
     * Since by default Pocket Listings renders content via
     * the_content, we don't know if the template uses excerpts and
     * strips all html off. Fot hat case we do the following:
     *
     * 1. Hook into excerpt public function only on listing post types
     * 2. Set excerpt_more to 'pocket-listings'
     * 3. Hook into wp_trim_words and check if $more == 'pocket-listings'
     * 4. if 3 == true - return full html
     */

    function set_pocket_listing_excerpt($more)
    {
        global $post;

        if ($post->post_type !== $this->post_type)
            return $more;

        add_filter('wp_trim_words', array($this, 'dont_trim_excerpt'), 10, 4);

        return 'pocket-listing';
    }


    function dont_trim_excerpt($text, $num_words, $more, $original_text)
    {
        global $post;

        if ($post->post_type !== $this->post_type && $more != 'pocket-listings')
            return $text;

        return $original_text;
    }


    /**
     * Renders a single listing details page
     * implementation of the_content action hook
     *
     * @param $content existing page content
     * @return mixed|string|void
     */
    function listing_output($content)
    {
        global $post;

        if (is_admin() || $this->post_type !== $post->post_type)
        {
            return $content;
        }

        // Prepare listing object for the View

        $listing = $this->get_pocket_listing($post);

        ob_start();

        // Load View Template based on the currently requested page type

        if (is_archive())
        {
            include REL_VIEWS . 'archive-listing-view.phtml';
        }
        else
        {
            include REL_VIEWS . 'single-listing-view.phtml';
        }

        $output = ob_get_clean();

        return apply_filters('rel_listing_output', $output, $listing);
    }


    /**
     * Returns pocket listing object based on post object
     *
     * @param $post wp post object
     * @return \stdClass
     */
    function get_pocket_listing(\WP_Post $post)
    {
        require_once(REL_MODELS . 'ListingViewModel.php');

        $listing_view_model = new ListingViewModel($post);

        // Prepare listing object for the View

        return $listing_view_model->getListing();
    }
}

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