Fixed /nc-wishlist-for-woocommerce/public/class-nc-wishlist-for-woocommerce-public.php for NC Wishlist for WooCommerce version 1.0.1

class-nc-wishlist-for-woocommerce-public.php

<?php

/**
 * HOTFIX: Manually modified file until plugin gets updated
 */

/**
 * The public-facing functionality of the plugin.
 *
 * @package    nc-wishlist-for-woocommerce
 * @subpackage nc-wishlist-for-woocommerce/public
 */

/**
 * The public-facing functionality of the plugin.
 *
 * Defines the plugin name, version, and two examples hooks for how to
 * enqueue the admin-specific stylesheet and JavaScript.
 *
 * @package    nc-wishlist-for-woocommerce
 * @subpackage nc-wishlist-for-woocommerce/public
 * @author     Nabaraj Chapagain <nabarajc6@gmail.com>
 */
class NC_WISHLIST_FOR_WOOCOMMERCE_Public {

	/**
	 * The ID of this plugin.
	 *
	 * @since    1.0.1
	 * @access   private
	 * @var      string    $plugin_name    The ID of this plugin.
	 */
	private $plugin_name;

	/**
	 * The version of this plugin.
	 *
	 * @since    1.0.1
	 * @access   private
	 * @var      string    $version    The current version of this plugin.
	 */
	private $version;

	/**
	 * The settings data for wishlist
	 *
	 * @since    1.0.1
	 * @access   private
	 * @var      array    $nc_wishlist_settings    The settings data for wishlist
	 */
	private $nc_wishlist_settings;


	/**
	 * Initialize the class and set its properties.
	 *
	 * @since    1.0.1
	 * @param      string    $plugin_name       The name of the plugin.
	 * @param      string    $version    The version of this plugin.
	 */
	public function __construct( $plugin_name, $version ) {

		$this->plugin_name = $plugin_name;
		$this->version     = $version;
		add_shortcode( 'nc_wishlist', array( $this, 'nc_wishlist_display_shortcode' ) );


	}


	/**
	 * session start if no started
	 *
	 * @since    1.0.1
	 */
	public function nc_wishlist_register_session() {
		if ( ! session_id() ) {
			session_start();
		}
	}


	/**
	 * identifying if user is logged in or not and prepare array for the wishlist table
	 *
	 * @since    1.0.1
	 */
	public function nc_wishlist_post_in_ids() {
		global $wpdb;
		$products = array();
		if ( is_user_logged_in() ) {
			$user_id = get_current_user_id();
			$ids     = $wpdb->get_results( "select product_id from " . $wpdb->prefix . "nc_wishlist  where user_id='$user_id'" );
			foreach ( $ids as $id ) {
				$products[] = $id->product_id;
			}
		} else {
			$products = $_SESSION['nc_wihslist_items'];
		}

		return $products;
	}

	/**
	 * function for shortcode
	 *
	 * @since    1.0.1
	 */
	public function nc_wishlist_display_shortcode() {
		$this->nc_wishlist_settings = get_option( 'nc_wishlist_settings' );
		if ( $this->nc_wishlist_settings['nc_wishlist_enabling'] != '1' ) {
			return;
		}
		include_once( 'includes/nc-wishlist-for-woocommerce-contents.php' );

	}


	/**
	 * nc wishlist button
	 *
	 * @since    1.0.1
	 */
	public function nc_wishlist_button() {
		$this->nc_wishlist_settings = get_option( 'nc_wishlist_settings' );
		if ( $this->nc_wishlist_settings['nc_wishlist_enabling'] != '1' ) {
			return;
		}

		global $product, $wpdb;
		$this->nc_wishlist_settings = get_option( 'nc_wishlist_settings' );
		$logged_in                  = $this->nc_wishlist_settings['nc_wishlist_for'];
		$show_in_shop               = $this->nc_wishlist_settings['nc_wishlist_show_in_shop_page'];

		if ( $this->nc_wishlist_settings['nc_wishlist_for'] == 'logged_in_users' ) {
			if ( ! is_user_logged_in() ) {
				return;
			}
		}

		if ( $show_in_shop != 1 && ( is_shop() || is_tax( "product_cat" ) ) ) {

			return;

		}

		$product_added = array();
		if ( ! is_user_logged_in() ) {
			if ( empty( $_SESSION['nc_wihslist_items'] ) ):
			else:
				$product_added = $_SESSION['nc_wihslist_items'];
			endif;
		} else {
			$products = $wpdb->get_results( "select product_id from " . $wpdb->prefix . "nc_wishlist  where user_id=" . get_current_user_id() );
			$i        = 0;
			foreach ( $products as $product_new ) {
				$product_added[ $i ] = $product_new->product_id;
				$i ++;
			}
		}
		if ( ! in_array( $product->id, $product_added ) ): ?>
			<a href="javascript:void(0)" rel="nofollow" data-product_id="<?php echo $product->id; ?>"
			   id="nc_wishlist_add_<?php echo $product->id; ?>" class="button add_to_wishlist_button">
				<?php printf( esc_html( '%s', $this->plugin_name ), $this->nc_wishlist_settings['nc_wishlist_add_to_wishlist_text'] ); ?>
				<span class="nc_wishlist_loader" id="nc_wishlist_add_<?php echo $product->id; ?>"
					  style="display:inline-block;background: url(<?php echo plugin_dir_url( __FILE__ ); ?>images/ajax-loader.gif) no-repeat;                        height:11px; width:16px"></span></a>
			<span id="nc_wishlist_added" class="nc_wishlist_added_<?php echo $product->id; ?>">
						<?php _e( 'Product Added!', $this->plugin_name ); ?></span>
		<?php else: ?>

			<a href="<?php echo get_permalink( esc_attr( $this->nc_wishlist_settings['nc_wishlist_page'] ) ); ?>"
			   rel="nofollow" class="button view_wishlist_button">
				<?php printf( esc_html( '%s', $this->plugin_name ), $this->nc_wishlist_settings['nc_wishlist_view_wishlist_text'] ); ?></a>

		<?php endif;

	}


	/**
	 * add product to wishlist for logged in user
	 * @param    string   $product_id   The id for the product
	 * @since    1.0.1
	 */
	public function nc_wishlist_add_product_to_wishlist_logged_in_user( $product_id ) {
		
		$this->nc_wishlist_settings = get_option( 'nc_wishlist_settings' );
		if ( $this->nc_wishlist_settings['nc_wishlist_enabling'] != '1' ) {
			return;
		}

		global $wpdb;
		$duplicate = $wpdb->get_results( "select * from " . $wpdb->prefix . "nc_wishlist  where user_id =" . get_current_user_id() . " AND product_id=" . $product_id );
		if ( ! $duplicate ) {

			$insert = $wpdb->query( "insert  into " . $wpdb->prefix . "nc_wishlist(user_id,product_id,wishlist_created) 
					 values('" . get_current_user_id() . "','" . $product_id . "','" . date( "Y-m-d" ) . "')" );

			if ( $insert ) {
				echo '[{"response":"success"}]';
			}
			exit;
		}

	}

	/**
	 * session data to table if user logged in after adding products to wishlist
	 *
	 * @since    1.0.1
	 */
	public function nc_wishlist_transfer_session_data_to_table_logged_user() {
		$this->nc_wishlist_settings = get_option( 'nc_wishlist_settings' );
		if ( $this->nc_wishlist_settings['nc_wishlist_enabling'] != '1' ) {
			return;
		}

		if ( is_user_logged_in() && $_SESSION['nc_wihslist_items'] ) {
			global $wpdb;
			$products = $_SESSION['nc_wihslist_items'];
			foreach ( $products as $prod ) {
				$duplicate = $wpdb->get_results( "select * from " . $wpdb->prefix . "nc_wishlist  where product_id=" . $prod );
				if ( ! $duplicate ) {
					$insert = $wpdb->query( "insert  into " . $wpdb->prefix . "nc_wishlist(user_id,product_id,wishlist_created) 
				              values('" . get_current_user_id() . "','" . $prod . "','" . date( "Y-m-d" ) . "')" );
				}
			}
			unset( $_SESSION['nc_wihslist_items'] );
		}
	}


	/**
	 * add product to wishlist for non logged in user
	 * @param    string   $product_id   The id for the product
	 * @since    1.0.1
	 */
	public function nc_wishlist_add_product_to_wishlist_normal_user( $product_id ) {

		$name = "nc_wihslist_items";
		empty( $_SESSION[ $name ] ) ? $value = array() : $value = $_SESSION[ $name ];
		$product           = array();
		$new_value         = array();
		$product[]         = $product_id;
		$new_value         = array_merge( $value, $product );
		$_SESSION[ $name ] = $new_value;

		if ( $_SESSION[ $name ] ) {
			echo '[{"response":"success"}]';
		}
		exit;


	}

	/**
	 * remove product from wishlist for normal user
	 * @param    string   $product_id   The id for the product
	 * @since    1.0.1
	 */
	public function nc_wishlist_remove_product_from_wishlist_normal_user( $product_id ) {
		$arr                           = $_SESSION['nc_wihslist_items'];
		$arr_new                       = array_diff( $arr, array( $product_id ) );
		$_SESSION['nc_wihslist_items'] = $arr_new;
		echo '[{"response":"removed"}]';
		exit;

	}


	/**
	 * remove product from wishlist for  logged in user
	 * @param    string   $product_id   The id for the product
	 * @since    1.0.1
	 */
	public function nc_wishlist_remove_product_from_wishlist_logged_user( $product_id ) {

		global $wpdb;
		$remove = $wpdb->query( "DELETE FROM " . $wpdb->prefix . "nc_wishlist WHERE user_id =" . get_current_user_id() . " AND product_id=" . $product_id );
		if ( $remove ) {
			echo '[{"response":"removed"}]';
		}
		exit;

	}

	/**
	 * wishlist action add,remove etc
	 *
	 * @since    1.0.1
	 */
	public function nc_wishlist_action() {

		$product_id = $_POST['product_id'];
		$action     = $_POST['action_id'];
		if ( $action == 'add' && is_user_logged_in() ) {
			$this->nc_wishlist_add_product_to_wishlist_logged_in_user( $product_id );
		} else if ( $action == 'add' && ! is_user_logged_in() ) {

			$this->nc_wishlist_add_product_to_wishlist_normal_user( $product_id );

		} else if ( $action == 'remove' && is_user_logged_in() ) {

			$this->nc_wishlist_remove_product_from_wishlist_logged_user( $product_id );

		} else if ( $action == 'remove' && ! is_user_logged_in() ) {

			$this->nc_wishlist_remove_product_from_wishlist_normal_user( $product_id );

		}
	}

	/**
	 * nc wishlist ajax script
	 *
	 * @since    1.0.1
	 */
	public function nc_wishlist_ajax_script() {

		include_once( 'includes/nc-wishlist-for-woocommerce-ajax.php' );

	}

	/**
	 * Register the stylesheets for the public-facing side of the site.
	 *
	 * @since    1.0.1
	 */
	public function enqueue_styles() {

		/**
		 * This function is provided for demonstration purposes only.
		 *
		 * An instance of this class should be passed to the run() function
		 * defined in Plugin_Name_Loader as all of the hooks are defined
		 * in that particular class.
		 *
		 * The Plugin_Name_Loader will then create the relationship
		 * between the defined hooks and the functions defined in this
		 * class.
		 */

		wp_enqueue_style( $this->plugin_name . '-custom-css', plugin_dir_url( __FILE__ ) . 'css/nc-wishlist-for-woocommerce-custom-style.css', array(), $this->version, 'all' );

	}

	/**
	 * Register the JavaScript for the public-facing side of the site.
	 *
	 * @since    1.0.1
	 */
	public function enqueue_scripts() {

		/**
		 * This function is provided for demonstration purposes only.
		 *
		 * An instance of this class should be passed to the run() function
		 * defined in Plugin_Name_Loader as all of the hooks are defined
		 * in that particular class.
		 *
		 * The Plugin_Name_Loader will then create the relationship
		 * between the defined hooks and the functions defined in this
		 * class.
		 */

		//wp_enqueue_script( $this->plugin_name, plugin_dir_url( __FILE__ ) . 'js/plugin-name-public.js', array( 'jquery' ), $this->version, false );

	}

	/**
	 * function to add on init action
	 *
	 * @since    1.0.1
	 */
	public function nc_ajax_cart_public_init() {

		$this->nc_wishlist_register_session();
		$this->nc_wishlist_transfer_session_data_to_table_logged_user();

	}

}