posts_in_page.php

<?php
/**
 * Posts In Page
 *
 * @package   Posts_in_Page
 * @author    Eric Amundson <eric@ivycat.com>
 * @copyright Copyright (c) 2019, IvyCat, Inc.
 * @license   GPL-2.0-or-later
 *
 * @wordpress-plugin
 * Plugin Name: Posts in Page
 * Plugin URI: https://ivycat.com/wordpress/wordpress-plugins/posts-in-page/
 * Description: Easily add one or more posts to any page using simple shortcodes. Supports categories, tags, custom post types, custom taxonomies, and more.
 * Version: 1.4.6
 * Author: IvyCat, Inc.
 * Author URI: https://ivycat.com/wordpress/
 * Text Domain: posts-in-page
 * License: GNU General Public License v2.0
 * License URI: https://www.gnu.org/licenses/gpl-2.0.html
 */

if ( ! function_exists( 'add_action' ) ) {
	wp_die( 'You are trying to access this file in a manner not allowed.', 'Direct Access Forbidden', array( 'response' => '403' ) );
}

if ( ! defined( 'POSTSPAGE_DIR' ) ) {
	define( 'POSTSPAGE_DIR', plugin_dir_path( __FILE__ ) );
}

if ( ! defined( 'POSTPAGE_URL' ) ) {
	define( 'POSTPAGE_URL', plugin_dir_url( __FILE__ ) );
}

require_once 'includes/class-page-posts.php';

/**
 * Main plugin class.
 */
class ICAddPostsToPage {
	/**
	 * Constructor method.
	 */
	public function __construct() {
		add_shortcode( 'ic_add_posts', array( $this, 'posts_in_page' ) );
		add_shortcode( 'ic_add_post', array( $this, 'post_in_page' ) );
		add_action( 'admin_menu', array( $this, 'plugin_page_init' ) );
		add_filter( 'plugin_action_links_' . plugin_basename( __FILE__ ), array( $this, 'plugin_action_links' ), 10, 2 );
		load_plugin_textdomain( 'posts-in-page' );
	}

	/**
	 * Add settings link on plugins page.
	 *
	 * @param string[] $actions     An array of plugin action links. By default this can include 'activate',
	 *                              'deactivate', and 'delete'.
	 * @param string   $plugin_file Path to the plugin file relative to the plugins directory.
	 * @return string
	 */
	public function plugin_action_links( $actions, $plugin_file ) {
		if ( is_plugin_active( $plugin_file ) ) {
			$actions[] = '<a href="' . esc_url( admin_url( 'options-general.php?page=posts_in_page' ) ) . '">' . esc_html__( ' Help', 'posts-in-page' ) . '</a>';
		}

		return apply_filters( 'post_in_page_actions', $actions );
	}

	/**
	 * Main shortcode.
	 *
	 * @param array $atts An array of shortcode parameters. None required.
	 * @return array
	 */
	public function posts_in_page( $atts ) {
		$posts = new ICPagePosts( $atts );

		return $posts->output_posts();
	}

	/**
	 * Deprecated shortcode (routing to posts in page function now).
	 *
	 * @deprecated Deprecated since 1.1.0.
	 *
	 * @param array $atts An array of shortcode parameters. None required.
	 * @return array
	 */
	public function post_in_page( $atts ) {
		return self::posts_in_page( $atts );
	}

	/**
	 * Init plugin, add menu page, and setup hooks to load assets on the plugin options page.
	 */
	public function plugin_page_init() {
		$hook = add_options_page(
			esc_html__( 'Posts in Page', 'posts-in-page' ),
			esc_html__( 'Posts in Page', 'posts-in-page' ),
			'manage_options',
			'posts_in_page',
			array( $this, 'plugin_page' )
		);

		add_action( "admin_print_styles-{$hook}", array( $this, 'load_assets' ) );
	}

	/**
	 * Enqueue plugin assets (scripts & styles).
	 */
	public function load_assets() {
		wp_enqueue_style(
			'postpagestyle',
			POSTPAGE_URL . 'admin/assets/css/post-page_styles.css',
			array(),
			'20190311'
		);

		wp_enqueue_script(
			'postpagescript',
			POSTPAGE_URL . 'admin/assets/js/post-page_scripts.js',
			array( 'jquery' ),
			'20190311',
			true
		);
	}

	/**
	 * Plugin Settings page - includes view for the page.
	 */
	public function plugin_page() {
		require_once 'admin/views/help-main.php';
	}

}

/**
 * Instantiate the Plugin - called using the plugins_loaded action hook.
 */
function init_ic_posts_in_page() {
	new ICAddPostsToPage();
}

add_action( 'plugins_loaded', 'init_ic_posts_in_page' );