pets.php

<?php
/**
 * Plugin Name:     Pets
 * Plugin URI:      http://petswp.com
 * Description:     Manage Pets and Animal Shelters
 * Author:          ibenic
 * Author URI:      https://ibenic.com
 * Text Domain:     pets
 * Domain Path:     /languages
 * Version:         1.4.0
 *
 * @package         Pets
 */
namespace Pets;

if( ! defined( 'ABSPATH' ) ) {
    return;
}

if ( ! function_exists( 'pet_fs' ) ) {
// Create a helper function for easy SDK access.
	function pet_fs() {
		global $pet_fs;

		if ( ! isset( $pet_fs ) ) {
			// Include Freemius SDK.
			require_once dirname( __FILE__ ) . '/freemius/start.php';

			$pet_fs = fs_dynamic_init( array(
				'id'             => '2120',
				'slug'           => 'pets',
				'type'           => 'plugin',
				'public_key'     => 'pk_d54c88070fcd447603456014d42ba',
				'is_premium'     => true,
				'has_addons'     => false,
				'has_paid_plans' => true,
				'menu'           => array(
					'slug'    => 'edit.php?post_type=pets',
					'contact' => false,
					'support' => false,
				),
			) );
		}


		return $pet_fs;
	}

// Init Freemius.
	pet_fs();
// Signal that SDK was initiated.
	do_action( 'pet_fs_loaded' );
}
final class Pets {

    /**
     * Version
     * @var string
     */
    public $version = '1.4.0';

    /**
     * Run everything
     * @return void
     */
    public function run() {
        $this->define_constants();
        $this->includes();
        $this->init();
        $this->hooks();
    }

    public function define_constants() {
        define( 'PETS_PATH', plugin_dir_path( __FILE__ ) );
        define( 'PETS_URL', plugin_dir_url( __FILE__ ) );
        define( 'PETS_VERSION', $this->version );
    }

    /**
     * Including files
     * @return void
     */
    private function includes() {
        include_once 'includes/class-pets-cpt.php';
	    include_once 'includes/class-pets-fields.php';
	    include_once 'includes/class-pets-cache.php';
	    include_once 'includes/class-pets-search.php';
	    include_once 'includes/class-pets-shortcodes.php';
	    include_once 'includes/class-pets-pet.php';
	    include_once 'includes/class-pets-widgets.php';
	    include_once 'includes/class-pets-installer.php';
	    include_once 'includes/class-pets-missing.php';
	    include_once 'includes/class-pets-add.php';
	    include_once 'includes/class-pets-emails.php';

	    // Settings Class.
	    include_once 'includes/admin/settings/class-settings.php';
	    include_once 'includes/functions-settings.php';

	    include_once 'includes/widgets/class-widgets-single-pet.php';
	    include_once 'includes/widgets/class-widgets-search.php';
	    include_once 'includes/widgets/class-widgets-add-missing.php';
	    include_once 'includes/widgets/class-widgets-add.php';

	    include_once 'includes/functions-templates.php';
	    include_once 'includes/functions-upgrades.php';

        /**
         * Database Classes
         */
	    include_once 'includes/abstracts/class-db.php';
        include_once 'includes/db/class-pets-fields.php';
        include_once 'includes/db/class-pets-sections.php';

        if( is_admin() ) {
            include_once 'includes/admin/class-admin.php';
        } else {
        	include_once 'includes/class-pets-template.php';
        }
    }

	/**
	 * Include integrations
	 */
	public function include_integrations() {
    	include_once 'includes/integrations/class-give.php';
		include_once 'includes/integrations/class-petfinder.php';
	}

	/**
	 * Activation method.
	 */
	public function activation() {
		$installer = new Pets_Installer();
		$installer->install();

		$cpt = new CPT();
		$cpt->init();
		flush_rewrite_rules();
	}

    /**
     * Initialize classes, settings.
     * @return void
     */
    public function init() {
        \register_activation_hook( __FILE__, array( $this, 'activation' ) );


        if( is_admin() ) {
            $admin = new Admin\Admin();
            $admin->load();
        } else {
        	$template = new Pets_Template();
        	$template->init();
        	new Shortcodes();
        	new Missing();
        	new Add();
        	New Pets_Emails();
        }
    }

    /**
     * Action/Filters Hooks
     * @return void
     */
    private function hooks() {
        $cpt     = new CPT();
        $widgets = new Widgets();

        /**
         * Actions
         */
        add_action( 'init', array( $cpt, 'init' ) );
	    add_action( 'init', array( $this, 'check_versions' ) );
	    add_action( 'init', array( $this, 'add_image_sizes' ) );
        add_action( 'wp_enqueue_scripts', array( $this, 'enqueue' ) );
        add_action( 'plugins_loaded', array( $this, 'include_integrations') );
        add_action( 'pets_before_loop', array( '\Pets\Search', 'add_form' ) );
	    add_action( 'pre_get_posts', array( '\Pets\Search', 'pets_per_page' ) );
	    add_action( 'pre_get_posts', array( '\Pets\Search', 'pets_search_fields' ) );
	    add_action( 'pre_get_posts', array( '\Pets\Search', 'pets_search_filter_with_fields' ) );
	    add_action( 'widgets_init', array( $widgets, 'register_widgets' ) );

	    /**
         * Filters
         */
        add_filter( 'post_updated_messages', array( $cpt, 'update_messages' ) );
    }

	/**
	 * Enqueueing Scripts and Styles for Public.
	 */
    public function enqueue() {
		wp_enqueue_style( 'pets-css', PETS_URL . '/assets/css/public/pets.css', '', '' );
		wp_enqueue_style( 'pets-fontawesome', 'https://use.fontawesome.com/releases/v5.1.0/css/all.css' );
    }

	/**
	 * Define Image sizes.
	 */
    public function add_image_sizes() {
		if ( ! \has_image_size( 'pets-thumbnail' ) ) {
			\add_image_size( 'pets-thumbnail', 360 );
		}
    }

	/**
	 * Checking for version, updating if necessary
	 * @return void
	 */
	public function check_versions() {
		if ( ! defined( 'IFRAME_REQUEST' ) && get_option( 'pets_version', '0.2.0' ) !== $this->version ) {
			$installer = new Pets_Installer();
			$installer->install();
			$installer->update( get_option( 'pets_version', '0.2.0' ) );
			do_action( 'pets_updated' );
		}
	}
}

/**
 * Starting our plugin
 * @return void
 */
function run() {
    $pets = new Pets();
    $pets->run();
}
run();