bp-simple-front-end-post.php

<?php
/**
 * Plugin Name: BP Simple Front End Post
 * Plugin URI: https://buddydev.com/plugins/bp-simple-front-end-post/
 * Description: Provides the ability to create unlimited post forms and allow users to save the post from front end.It is much powerful than it looks.
 * Version: 1.3.9
 * Author: BuddyDev
 * Author URI: https://buddydev.com/
 * License: GPL
 */

// Do not allow direct access over web.
defined( 'ABSPATH' ) || exit;

/**
 * How to Use this plugin
 *
 * If you want to  create a form and show it on Front end, You will need to create and Register a form as follows
 *
 * Register a from on/before bp_init action using
 * $form= bp_new_simple_blog_post_form('form_name',$settings);// please see @ bp_new_simple_blog_post_form for the settings options
 *
 * now, you can retrieve this form anywhere and render it as below
 *
 * $form = bp_get_simple_blog_post_form( 'form_name' );
 * if( $form ) {
 *  $form->show();//show this post form
 * }
 */

/**
 * This is a helper class, adds support for localization
 */
class BPSimpleBlogPostComponent {

	/**
	 * Singleton instance.
	 *
	 * @var BPSimpleBlogPostComponent
	 */
	private static $instance;

	/**
	 * Plugin Path.
	 *
	 * @var string
	 */
	private $path;

	/**
	 * Plugin Url.
	 *
	 * @var string
	 */
	private $url;

	/**
	 * BPSimpleBlogPostComponent constructor.
	 */
	private function __construct() {
		$this->path = plugin_dir_path( __FILE__ );
		$this->url  = plugin_dir_url( __FILE__ );

		$this->setup();
	}

	/**
	 * Factory method for singleton object
	 */
	public static function get_instance() {

		if ( ! isset( self::$instance ) ) {
			self::$instance = new self();
		}

		return self::$instance;
	}

	/**
	 * Setup hooks.
	 */
	public function setup() {
		add_action( 'plugins_loaded', array( $this, 'load' ) );
		add_action( 'bp_init', array( $this, 'load_textdomain' ), 2 );

		add_filter( 'user_has_cap', array( $this, 'add_upload_cap_filter' ), 0, 3 );

		add_action( 'wp_enqueue_scripts', array( $this, 'load_js' ) );

		add_filter( 'ajax_query_attachments_args', array( $this, 'filter_ajax_attachment_args' ) );

		add_action( 'wp_ajax_set-post-thumbnail', array( $this, 'set_post_thumbnail' ), 0 );
	}

	/**
	 * Load dependencies.
	 */
	public function load() {

		$path = $this->path;

		$files = array(
			'core/classes/class-terms-checklist-walker.php',
			'core/classes/class-edit-form.php',
			'core/classes/class-editor.php',
			'core/functions.php',
		);

		foreach ( $files as $file ) {
			require_once $path . $file;
		}

	}

	/**
	 * Load translation files
	 */
	public function load_textdomain() {
		load_plugin_textdomain( 'bp-simple-front-end-post', false, plugin_basename( dirname( __FILE__ ) ) . '/languages' );
	}

	/**
	 * Enable filters before upload.
	 *
	 * @return boolean
	 */
	public function enable_upload_filters() {

		$apply = function_exists( 'is_buddypress' ) && is_buddypress() && ! did_action( 'wp_footer' );
		$apply = apply_filters( 'bsfep_enable_upload_filters', $apply );

		return $apply;
	}

	/**
	 * Add upload capability to subscribers.
	 *
	 * @param array $allcaps all caps.
	 * @param array $cap requested caps.
	 * @param array $args extra args.
	 *
	 * @return array
	 */
	public function add_upload_cap_filter( $allcaps, $cap, $args ) {

		if ( $args[0] != 'upload_files' && $args[0] != 'edit_post' ) {
			return $allcaps;
		}

		if ( ! $this->enable_upload_filters() || ! is_user_logged_in() ) {
			return $allcaps;
		}

		if ( 'upload_files' === $args[0] ) {
			$allcaps[ $cap[0] ] = true;
		} elseif ( 'edit_post' === $args[0] ) {

			$user_id = get_current_user_id();
			$post_id = isset( $args[2] ) ? absint( $args[2] ) : 0;

			if ( $post_id ) {
				$post = get_post( $post_id );

				if ( $post && $post->post_author == $user_id && $args[1] == $user_id ) {
					$allcaps[ $cap[0] ] = true;

				}
			}
		}

		return $allcaps;
	}

	/**
	 * Filter attachment for current user
	 *
	 * @param array $args args.
	 *
	 * @return array
	 */
	public function filter_ajax_attachment_args( $args ) {

		if ( ! $this->enable_upload_filters() ) {
			return $args;
		}

		if ( is_user_logged_in() ) {
			$args['author'] = get_current_user_id();
		}

		return $args;
	}

	/**
	 * Load javascript files.
	 */
	public function load_js() {
		wp_register_script( 'bsfep-js', $this->url . 'assets/bsfep.js', array( 'jquery' ), false, true );
	}

	/**
	 * Load css.
	 */
	public function load_css() {
	}

	/**
	 * Get file system path of this plugin directory
	 *
	 * @return string
	 */
	public function get_path() {
		return $this->path;
	}

	/**
	 * Set post thumbnail.
	 */
	public function set_post_thumbnail() {

		$json = ! empty( $_REQUEST['json'] ); // New-style request.

		$post_id = intval( $_POST['post_id'] );

		$thumbnail_id = intval( $_POST['thumbnail_id'] );

		if ( $json ) {
			check_ajax_referer( "update-post_$post_id" );
		} else {
			check_ajax_referer( "set_post_thumbnail-$post_id" );
		}
		if ( $thumbnail_id == '-1' ) {
			if ( delete_post_thumbnail( $post_id ) ) {
				$return = _wp_post_thumbnail_html( null, $post_id );
				$json ? wp_send_json_success( $return ) : wp_die( $return );
			} else {
				wp_die( 0 );
			}
		}

		if ( set_post_thumbnail( $post_id, $thumbnail_id ) ) {
			$return = _wp_post_thumbnail_html( $thumbnail_id, $post_id );
			$json ? wp_send_json_success( $return ) : wp_die( $return );
		}

		wp_die( 0 );
	}
}


/**
 * Get singleton instance
 *
 * @return BPSimpleBlogPostComponent
 */
function bp_simple_blog_post_helper() {
	return BPSimpleBlogPostComponent::get_instance();
}

BPSimpleBlogPostComponent::get_instance();