File responsive-idx.php | HJI WP Membership Code Reference

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<?php
/*
Plugin Name: HJI Responsive IDX
Description: This plugin allows you to add listings anywhere on any page of your WordPress website by simply dropping in a shortcode.  Filter and display open houses, your featured listings, geographic areas (school districts, neighborhoods or subdivisions) or countless other filtering options.  rIDX is also extremely SEO friendly, meaning all IDX listing can be crawled and indexed in Google.
Plugin URI:
Version: 3.1.6
Author: Home Junction, Max Chirkov
Author URI: http://HomeJunction.com
Text Domain: hjpl
License: GPL2
HJI Package: hji-membership
HJI Require Plugins: HJI Membership:2.3.0
*/

/*  Copyright 2014  Home Junction Inc  (email : help@homejunction.com)

    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License, version 2, as
    published by the Free Software Foundation.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
*/

namespace hji\ResponsiveIDX;

require_once(dirname(__FILE__) . '/autoload.php');

use hji\common\utils\WPHelper;
use \hji\membership\Membership;


class ResponsiveIDX
{
    // Plugin name

    const NAME          = 'HJI Responsive IDX';

    // Options and hooks prefix

    const PREFIX        = 'hji_ridx_';

    // DB Schema Version

    const DB_VERSION    = '1.0';

    public $idxApp;

    public $Membership = false;

    // Paths

    public static $slug;
    public static $dir;
    public static $url;
    public static $controllers;
    public static $interfaces;
    public static $adapters;
    public static $entities;
    public static $models;
    public static $views;
    public static $utils;
    public static $widgets;
    public static $tinymce;
    public static $resources;
    public static $images;
    public static $styles;
    public static $scripts;


    function __construct()
    {
        self::$slug = basename(dirname(__FILE__));
        self::$dir = dirname(__FILE__);
        self::$url = WP_PLUGIN_URL . '/' . self::$slug;

        // Directory based paths

        self::$interfaces       = self::$dir . '/classes/_interfaces';
        self::$adapters         = self::$dir . '/classes/adapters';
        self::$controllers      = self::$dir . '/classes/controllers';
        self::$entities         = self::$dir . '/classes/entities';
        self::$models           = self::$dir . '/classes/models';
        self::$views            = self::$dir . '/classes/views';
        self::$utils            = self::$dir . '/classes/utils';
        self::$widgets          = self::$dir . '/classes/widgets';
        self::$tinymce          = self::$dir . '/classes/tinymce';
        self::$resources        = self::$dir . '/resources';

        // URL based paths

        self::$images           = self::$url . '/resources/images';
        self::$styles           = self::$url . '/resources/styles';
        self::$scripts          = self::$url . '/resources/scripts/build';

        add_filter('hji_membership_register_plugin', array($this, 'registerPlugin'));
        add_action('hji_membership_activation', array($this, 'pluginActivation'));

        // Plugin Activation/Deactivation Hooks

        register_activation_hook(__FILE__, array($this, 'pluginActivation'));
        register_deactivation_hook(__FILE__, array($this, 'pluginDeactivation'));

        if (!class_exists('hji\\membership\\Membership'))
        {
            add_filter('plugins_api', array($this, '_installMembership'), 99, 3);
            add_action('admin_notices', array($this, 'addNoticeMembershipRequired'));
        }
    }


    function registerPlugin($plugins)
    {
        array_push($plugins, array('file' => __FILE__, 'callback' => array($this, '_preInit')));
        return $plugins;
    }



    function _preInit()
    {
        $this->Membership = Membership::getInstance();

        // Fire-up the app

        $this->settingsController = controllers\Settings::getInstance();
        $this->settingsController = controllers\Settings::getInstance();
        $this->idxApp = controllers\IdxApp::getInstance();
        new controllers\Upgrader();



        // Init User-End Action Hooks

        $this->initActionHooks();

        // Init TinyMCE Widgets only in Admin Dashboard

        if (is_admin())
        {
            new tinymce\FeaturedListings();
        }
    }


    function addNoticeMembershipRequired()
    {
        // version compatibility message

        if (version_compare(PHP_VERSION, '5.3.0', '<'))
        {
            echo '<div id="message" class="error"><p><strong style="color: #f00">ERROR (' . self::NAME . '):</strong> Your server runs older PHP version - ' . PHP_VERSION . '. Version 5.3+ is required. You can either upgrade your PHP to 5.3+ or <a href="http://wp.homejunction.com/updates/plugins/hji-responsive-idx/hji-responsive-idx-2.3.0.zip">re-install Responsive IDX 2.3</a></p></div>';
            return;
        }

        $dependency = new \hji\ResponsiveIDX\utils\PluginDependency('hji-membership', 'Membership.php');

        if (!$dependency->isActive())
        {
            if ($dependency->isInstalled())
            {
                $message = 'It is installed, but not activated. <a href="'.$dependency->getActivateLink().'">Click here to activate the plugin.</a>';
            }
            else if ($dependency->getInstallLink())
            {
                $message = 'It is not installed. <a href="'.$dependency->getInstallLink().'">Click here to install the HJI Membership.</a>';
            }
            else
            {
                $message = 'HJI Membership is not installed and could not be found in the Plugin Directory. Please contact our support department at <a href="mailto:help@homejunction.com">help@homejunction.com</a> or at (858) 777-9533 Ext. 4.';
            }

            echo '<div id="message" class="error"><p><strong style="color: #f00">IMPORTANT (' . self::NAME . '):</strong> HJI Membership plugin is required. ' . $message . '</p></div>';
        }


    }


    function _installMembership($result, $action = null, $args = null)
    {
        $info = new \StdClass;

        $relevant = ($action == 'plugin_information') && isset($args->slug) && ($args->slug == 'hji-membership');

        if (!$relevant)
        {
            return $result;
        }

        $infoJson = 'http://wp.homejunction.com/updates/plugins/hji-membership/info.json';
        $data = wp_remote_get($infoJson);
        $theBody = wp_remote_retrieve_body($data);
        $result = json_decode($theBody);

        if (!is_object($result) || json_last_error() !== JSON_ERROR_NONE)
        {
            return;
        }

        $sameFormat = array(
            'name', 'slug', 'version', 'requires', 'tested', 'rating', 'upgrade_notice',
            'num_ratings', 'downloaded', 'homepage', 'last_updated',
        );

        foreach($sameFormat as $field)
        {
            if (isset($result->$field))
            {
                $info->$field = $result->$field;
            }
            else
            {
                $info->$field = null;
            }
        }

        //Other fields need to be renamed and/or transformed.
        $info->download_link = $result->download_url;

        if (!empty($result->author_homepage))
        {
            $info->author = sprintf('<a href="%s">%s</a>', $result->author_homepage, $result->author);
        }
        else if (isset($result->author))
        {
            $info->author = $result->author;
        }

        if (@is_object($result->sections))
        {
            $info->sections = get_object_vars($result->sections);
        }
        elseif (@is_array($result->sections))
        {
            $info->sections = $result->sections;
        }
        else
        {
            $info->sections = array('description' => '');
        }

        return $info;
    }


    /**
     * User-End Action Hooks
     */
    function initActionHooks()
    {
        add_action('init', array($this, 'addRewriteRules'), 0);

        // Below include only hooks that require valid license key

        // Register Sidebars

        add_action('widgets_init', array($this, 'registerSidebars'));

        // Register Widgets

        add_action('widgets_init', array($this, 'registerWidgets'));
    }


    function addRewriteRules()
    {
        $this->settingsController->addRewriteRules();
    }


    /**
     * Actions on plugin activation
     */
    function pluginActivation()
    {
        if (!class_exists('hji\\membership\\Membership'))
        {
            return;
        }
        // Load settings controller outside of the overall init
        // just to access rewrite rules setters

        $this->settingsController = controllers\Settings::getInstance();

        // Set and flush rewrite rules

        $this->settingsController->refreshRewriteRules();

        // Install DB

        $this->_installDb();

        // Update version setting

        if (class_exists('\hji\common\utils\WPHelper'))
        {
            WPHelper::registerPluginVersion(__FILE__);
        }
    }


    /**
     * Actions of plugin de-activation
     */
    function pluginDeactivation()
    {
        flush_rewrite_rules();
    }


    /**
     * Installs and Updates DB Schema
     */
    private function _installDb()
    {
        global $wpdb;

        // Check current DB version against the installed version

        $installed_ver = get_option(self::PREFIX . 'db_version');

        if (self::DB_VERSION == $installed_ver)
        {
            return; // No installation is required
        }

        // load SQL tables

        $tables = false;

        require(self::$resources . '/sql/tables.php');

        if (!$tables || empty($tables))
        {
            return;
        }

        require_once(ABSPATH . 'wp-admin/includes/upgrade.php');

        // add each table in the $tables array to the DB

        foreach ($tables as $t_name => $table)
        {
            $table_name = $wpdb->prefix . $t_name;
            $updated = false;

            if ($wpdb->get_var("SHOW TABLES LIKE '$table_name'") != $table_name)
            {
                if (!is_array($table))
                {
                    $sql = $table;
                    dbDelta($sql);
                    $updated = true;
                }
                else
                {
                    if ($table['table'])
                    {
                        dbDelta($table['table']);
                        $updated = true;
                    }

                    if ($table['data'])
                    {
                        $wpdb->query($table['data']);
                        $updated = true;
                    }
                }
            }
        }

        if ($updated)
        {
            if (!$installed_ver)
            {
                add_option(self::PREFIX . 'db_version', self::DB_VERSION);
            }
            else
            {
                update_option(self::PREFIX . 'db_version', self::DB_VERSION);
            }
        }
    }


    /**
     * Registers Sidebars
     */
    function registerSidebars()
    {
        // Register sidebar for horizontal search widget

        $args = array(
            'name'          => __('IDX Horizontal Search'),
            'id'            => 'idx-horizontal-search',
            'description'   => 'Place ONE Quick Home Search widget into this sidebar. The search widget will appear at the top of the IDX search results. Leave this sidebar empty to display default search widget in the IDX search results.',
            'class'         => '',
            'before_widget' => '<div id="horizontal-idx-search-widget" class="_placeholder_">',
            'after_widget'  => '</div>',
            'before_title'  => '<h2 class="widgettitle">',
            'after_title'   => '</h2>'
        );
        register_sidebar($args);
    }


    /**
     * Registers Widgets
     */
    function registerWidgets()
    {
        // Register Featured Listings Widget
        // TODO: fix class naming convention to delegate loading to autoloader
        // do it graciously, to allow backward compatibility with anything that
        // either called classes or loaded files directly. Will probably require class wrappers.
        require_once(self::$widgets . '/FeaturedListings.php');
        register_widget('\hji\ResponsiveIDX\widgets\FeaturedListings_Widget');


        require_once(self::$widgets . '/QuickSearch.php');
        register_widget('\hji\ResponsiveIDX\widgets\QuickSearch_Widget');
    }

}

new ResponsiveIDX;

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