JezK

Edit File: class-ivole-email-coupon.php

<?php

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

if ( ! class_exists( 'Ivole_Email_Coupon' ) ) :

require_once('class-ivole-email.php');

/**
 * Reminder email for product reviews
 */
class Ivole_Email_Coupon {

public $id;
	public $to;
	public $heading;
	public $subject;
	public $template_html;
	public $from;
	public $from_name;
	public $bcc;
	public $replyto;
	public $language;
	public $footer;
	public $find = array();
	public $replace = array();
	/**
	 * Constructor.
	 */
	public function __construct( $order_id = 0 ) {
		$this->id               = 'ivole_review_coupon';
		$this->heading          = strval( get_option( 'ivole_email_heading_coupon', __( 'Thank You for Leaving a Review', 'customer-reviews-woocommerce' ) ) );
		$this->subject          = strval( get_option( 'ivole_email_subject_coupon', '[{site_title}] ' . __( 'Discount Coupon for You', 'customer-reviews-woocommerce' ) ) );
		$this->template_html    = Ivole_Email::plugin_path() . '/templates/email_coupon.php';
		$this->language					= get_option( 'ivole_language', 'EN' );
		$this->from							= get_option( 'ivole_email_from', '' );
		$this->from_name				= get_option( 'ivole_email_from_name', Ivole_Email::get_blogname() );
		$this->replyto					= get_option( 'ivole_coupon_email_replyto', get_option( 'admin_email' ) );
		$this->footer						= get_option( 'ivole_email_footer', '' );

$this->find['site-title'] = '{site_title}';
		$this->find['customer-first-name']  = '{customer_first_name}';
		$this->find['customer-last-name']  = '{customer_last_name}';
		$this->find['customer-name'] = '{customer_name}';
		$this->find['coupon-code'] = '{coupon_code}';
		$this->find['discount-amount'] = '{discount_amount}';
		$this->replace['site-title'] = Ivole_Email::get_blogname();

//qTranslate integration
		if( function_exists( 'qtranxf_useCurrentLanguageIfNotFoundUseDefaultLanguage' ) ) {
			$this->heading = qtranxf_useCurrentLanguageIfNotFoundUseDefaultLanguage( $this->heading );
			$this->subject = qtranxf_useCurrentLanguageIfNotFoundUseDefaultLanguage( $this->subject );
			$this->from_name = qtranxf_useCurrentLanguageIfNotFoundUseDefaultLanguage( $this->from_name );
			$this->footer = qtranxf_useCurrentLanguageIfNotFoundUseDefaultLanguage( $this->footer );
			if( 'QQ' === $this->language ) {
				global $q_config;
				$this->language = strtoupper( $q_config['language'] );
			}
		}

//WPML integration
		if ( has_filter( 'wpml_translate_single_string' ) && defined( 'ICL_LANGUAGE_CODE' ) && ICL_LANGUAGE_CODE ) {
			$wpml_current_language = apply_filters( 'wpml_current_language', NULL );
			if ( $order_id ) {
				$wpml_current_language = get_post_meta( $order_id, 'wpml_language', true );
			}
			$this->heading = apply_filters( 'wpml_translate_single_string', $this->heading, 'ivole', 'ivole_email_heading_coupon', $wpml_current_language );
			$this->subject = apply_filters( 'wpml_translate_single_string', $this->subject, 'ivole', 'ivole_email_subject_coupon', $wpml_current_language );
			$this->from = apply_filters( 'wpml_translate_single_string', $this->from, 'ivole', 'ivole_email_from', $wpml_current_language );
			$this->from_name = apply_filters( 'wpml_translate_single_string', $this->from_name, 'ivole', 'ivole_email_from_name', $wpml_current_language );
			$this->replyto = apply_filters( 'wpml_translate_single_string', $this->replyto, 'ivole', 'ivole_email_replyto', $wpml_current_language );
			$this->footer = apply_filters( 'wpml_translate_single_string', $this->footer, 'ivole', 'ivole_email_footer', $wpml_current_language );
			if ( empty( $this->from_name ) ) {
				$this->from_name = Ivole_Email::get_blogname();
			}
			if ( 'WPML' === $this->language && $wpml_current_language ) {
				$this->language = strtoupper( $wpml_current_language );
			}
		}

//Polylang integration
		if( function_exists( 'pll_current_language' ) && function_exists( 'pll_get_post_language' ) && function_exists( 'pll_translate_string' ) ) {
			$polylang_current_language = pll_current_language();
			if( $order_id ) {
				$polylang_current_language = pll_get_post_language( $order_id );
			}
			$this->heading = pll_translate_string( $this->heading, $polylang_current_language );
			$this->subject = pll_translate_string( $this->subject, $polylang_current_language );
			$this->from = pll_translate_string( $this->from, $polylang_current_language );
			$this->from_name = pll_translate_string( $this->from_name, $polylang_current_language );
			$this->replyto = pll_translate_string( $this->replyto, $polylang_current_language );
			$this->footer = pll_translate_string( $this->footer, $polylang_current_language );
			if ( empty( $this->from_name ) ) {
				$this->from_name = Ivole_Email::get_blogname();
			}
			if ( 'WPML' === $this->language ) {
				$this->language = strtoupper( $polylang_current_language );
			}
		}

//a safety check if some translation plugin removed language
		if ( empty( $this->language ) || 'WPML' === $this->language ) {
			$this->language = 'EN';
		}

$this->footer = strval( $this->footer );
	}

/**
	 * Trigger 2 - used for sending test emails only
	 */
	public function trigger2( $order_id, $to = null, $coupon_code = "", $discount_amount = "" ) {
		if ( ! Ivole::is_curl_installed() ) {
			return array( 100, __( 'Error: cURL library is missing on the server.', 'customer-reviews-woocommerce' ) );
		}
		$api_url = '';

// check if Reply-To address needs to be added to email
		if( filter_var( $this->replyto, FILTER_VALIDATE_EMAIL ) ) {
			$this->replyto = $this->replyto;
		} else {
			$this->replyto = get_option( 'admin_email' );
		}

if ( $order_id ) {
			$coupon_type = get_option( 'ivole_coupon_type', 'static' );

if( $coupon_type === 'static' ) {
				$coupon_id = get_option( 'ivole_existing_coupon', 0 );
			} else {
				$coupon_id = $this->generate_coupon( $to, $order_id );
			}
			if( $coupon_id > 0 && get_post_type( $coupon_id ) === 'shop_coupon' && get_post_status( $coupon_id ) === 'publish' && $order_id > 0 ) {
				$this->to = $to;
				$order = new WC_Order( $order_id );
				$customer_first_name = '';
				$customer_last_name = '';

if( method_exists( $order, 'get_billing_email' ) ) {
					// Woocommerce version 3.0 or later
					$customer_first_name = $order->get_billing_first_name();
					$customer_last_name = $order->get_billing_last_name();
					$this->replace['customer-first-name'] = $customer_first_name;
					$this->replace['customer-last-name'] = $customer_last_name;
					$this->replace['customer-name'] = $customer_first_name . ' ' . $customer_last_name;
					$order_date = date_i18n( 'd.m.Y', strtotime( $order->get_date_created() ) );
					$order_currency = $order->get_currency();
				} else {
					// Woocommerce before version 3.0
					$customer_first_name = get_post_meta( $order_id, '_billing_first_name', true );
					$customer_last_name = get_post_meta( $order_id, '_billing_last_name', true );
					$this->replace['customer-first-name'] = $customer_first_name;
					$this->replace['customer-last-name'] = $customer_last_name;
					$this->replace['customer-name'] = $customer_first_name . ' ' . $customer_last_name;
					$order_date = date_i18n( 'd.m.Y', strtotime( $order->order_date ) );
					$order_currency = $order->get_order_currency();
				}

$coupon_code = get_post_field( 'post_title', $coupon_id );
				$discount_type = get_post_meta( $coupon_id, 'discount_type', true );
				$discount_amount = get_post_meta( $coupon_id, 'coupon_amount', true );
				$discount_string = "";
				if( $discount_type == "percent" && $discount_amount > 0 ){
					$discount_string = $discount_amount . "%";
				} elseif( $discount_amount > 0 ) {
					$discount_string = trim( strip_tags( CR_Email_Func::cr_price( $discount_amount, array( 'currency' => get_option( 'woocommerce_currency' ) ) ) ) );
				}

$this->replace['coupon-code'] = $coupon_code;
				$this->replace['discount-amount'] = $discount_string;

$bcc_address = get_option( 'ivole_coupon_email_bcc', '' );
				if( filter_var( $bcc_address, FILTER_VALIDATE_EMAIL ) ) {
					$this->bcc = $bcc_address;
				}

// check if email subject is not empty
				$email_subject = $this->replace_variables( $this->subject );
				if( 0 >= strlen( $email_subject ) ) {
					return 13;
				}

$message = $this->get_content();
				$message = $this->replace_variables( $message );

$data = array(
					'token' => '164592f60fbf658711d47b2f55a1bbba',
					'shop' => array( "name" => Ivole_Email::get_blogname(),
						'domain' => Ivole_Email::get_blogurl(),
						'country' => apply_filters( 'woocommerce_get_base_location', get_option( 'woocommerce_default_country' ) ) ),
					'email' => array( 'to' => $this->to,
						'from' => strval( $this->from ),
						'fromText' => $this->from_name,
						'bcc' => $this->bcc,
						'replyTo' => $this->replyto,
						'subject' => $email_subject,
						'header' => $this->replace_variables( $this->heading ),
						'body' => $message,
						'footer' => $this->footer ),
					'customer' => array( 'firstname' => $customer_first_name,
						'lastname' => $customer_last_name ),
					'order' => array( 'id' => strval( $order_id ),
						'date' => $order_date,
						'currency' => $order_currency,
						'items' => CR_Email_Func::get_order_items2( $order, $order_currency ) ),
					'discount' => array('type' => $discount_type,
						'amount' => $discount_amount,
						'code' => $coupon_code ),
					'colors' => array(
						'email' => array(
							"bg" => get_option( 'ivole_email_coupon_color_bg', '#0f9d58' ),
							'text' => get_option( 'ivole_email_coupon_color_text', '#ffffff' )
						)
					),
					'language' => $this->language
				);
				$api_url = 'https://api.cusrev.com/v1/production/review-discount';
			} else {
				return false;
			}
		} else {
			// no review_id means this is a test and we should provide some dummy information
			$this->to = $to;
			$this->replace['customer-first-name'] = __( 'Jane', 'customer-reviews-woocommerce' );
			$this->replace['customer-last-name'] = __( 'Doe', 'customer-reviews-woocommerce' );
			$this->replace['customer-name'] = __( 'Jane Doe', 'customer-reviews-woocommerce' );
			$this->replace['coupon-code'] = $coupon_code;
			$this->replace['discount-amount'] = ( $discount_amount == "" ) ? '10%' : $discount_amount;

// check if email subject is not empty
			$email_subject = $this->replace_variables( $this->subject );
			if( 0 >= strlen( $email_subject ) ) {
				return 13;
			}

$message = $this->get_content();
			$message = $this->replace_variables( $message );

$data = array(
				'token' => '164592f60fbf658711d47b2f55a1bbba',
				'shop' => array( "name" => Ivole_Email::get_blogname(),
					'domain' => Ivole_Email::get_blogurl() ),
				'email' => array( 'to' => $to,
					'from' => strval( $this->from ),
					'fromText' => $this->from_name,
					'replyTo' => $this->replyto,
					'subject' => $email_subject,
					'header' => $this->replace_variables( $this->heading ),
					'body' => $message,
					'footer' => $this->footer ),
				'customer' => array( 'firstname' => __( 'Jane', 'customer-reviews-woocommerce' ),
					'lastname' => __( 'Doe', 'customer-reviews-woocommerce' ) ),
				'order' => array( 'id' => '12345',
					'date' => date_i18n( 'd.m.Y', time() ),
					'currency' => get_woocommerce_currency(),
					'items' => array( array( 'id' => 1,
							'name' => __( 'Item 1 Test', 'customer-reviews-woocommerce' ),
							'price' => 15,
							'image' => ''),
						array( 'id' => 2,
							'name' => __( 'Item 2 Test', 'customer-reviews-woocommerce' ),
							'price' => 150,
							'image' => '') ) ),
					'colors' => array(
							'email' => array(
								"bg" => get_option( 'ivole_email_coupon_color_bg', '#0f9d58' ),
								'text' => get_option( 'ivole_email_coupon_color_text', '#ffffff' )
							)
						),
				'language' => $this->language
			);
			$api_url = 'https://api.cusrev.com/v1/production/test-email';
		}
		$license = get_option( 'ivole_license_key', '' );
		if( strlen( $license ) > 0 ) {
			$data['licenseKey'] = $license;
		}
		$data_string = json_encode( $data );
		//error_log( $data_string );
		$ch = curl_init();
		curl_setopt( $ch, CURLOPT_URL, $api_url );
		curl_setopt( $ch, CURLOPT_RETURNTRANSFER, true );
		curl_setopt( $ch, CURLOPT_CUSTOMREQUEST, "POST" );
		curl_setopt($ch, CURLOPT_POSTFIELDS, $data_string);
		curl_setopt( $ch, CURLOPT_HTTPHEADER, array(
			'Content-Type: application/json',
			'Content-Length: ' . strlen( $data_string ) )
		);
		$result = curl_exec( $ch );
		if( false === $result ) {
			return array( 2, curl_error( $ch ) );
		}
		//error_log( $result );
		$result = json_decode( $result );
		if( isset( $result->status ) && $result->status === 'OK' ) {
			return 0;
		} else {
			return 1;
		}
	}

/**
	 * Generate a coupon for the given email
	 *
	 * @access public
	 * @return int|false id of generated coupon
	 */
	public function generate_coupon( $to, $review_id = 0, $coupon ) {
		$prefix = $coupon['cr_coupon_prefix'];
		$unique_code = ( !empty( $to ) ) ? strtoupper( uniqid( substr( preg_replace( '/[^a-z0-9]/i', '', sanitize_title( $to ) ), 0, 5 ) ) ) : strtoupper( uniqid() );
		$unique_code = strtoupper( $prefix ) . $unique_code;
		$coupon_args = array(
			'post_title' 	=> $unique_code,
			'post_content' 	=> '',
			'post_status' 	=> 'publish',
			'post_author' 	=> 1,
			'post_type'     => 'shop_coupon'
		);
		$coupon_id = wp_insert_post( $coupon_args );
		if( $coupon_id > 0 ){
			$type = $coupon['cr_coupon__discount_type'];
			update_post_meta( $coupon_id, 'discount_type', $type );
			$amount = floatval( $coupon['cr_coupon__coupon_amount'] );
			update_post_meta( $coupon_id, 'coupon_amount', $amount );
			$individual_use = 'yes' === $coupon['cr_coupon__individual_use'] ? 'yes' : 'no';
			update_post_meta( $coupon_id, 'individual_use', $individual_use );
			$product_ids = is_array( $coupon['cr_coupon__product_ids'] ) ? $coupon['cr_coupon__product_ids'] : array();
			$product_ids = implode( ",", $product_ids );
			update_post_meta( $coupon_id, 'product_ids', $product_ids );
			$exclude_product_ids = is_array( $coupon['cr_coupon__exclude_product_ids'] ) ? $coupon['cr_coupon__exclude_product_ids'] : array();
			$exclude_product_ids = implode( ",", $exclude_product_ids );
			update_post_meta( $coupon_id, 'exclude_product_ids', $exclude_product_ids );
			$usage_limit = 0 < intval( $coupon['cr_coupon__usage_limit'] ) ? intval( $coupon['cr_coupon__usage_limit'] ) : 0;
			update_post_meta( $coupon_id, 'usage_limit', $usage_limit );
			update_post_meta( $coupon_id, 'usage_limit_per_user', $usage_limit );
			$days = 0 < intval( $coupon['cr_coupon__expires_days'] ) ? intval( $coupon['cr_coupon__expires_days'] ) : 0;
			if( $days > 0 ) {
				$today = time();
				$expiry_date = date( 'Y-m-d', $today + 24 * 60 * 60 * $days );
				update_post_meta( $coupon_id, 'expiry_date', $expiry_date );
				$date_expires = strtotime( $expiry_date );
				update_post_meta( $coupon_id, 'date_expires', $date_expires );
			} else {
				update_post_meta( $coupon_id, 'expiry_date', NULL );
				update_post_meta( $coupon_id, 'date_expires', '' );
			}
			$coupon_sharing = 'yes' === $coupon['cr_coupon__sharing'] ? 'yes' : 'no';
			if( 'no' === $coupon_sharing ) {
				update_post_meta( $coupon_id, 'customer_email', array( $to ) );
			}
			$free_shipping = 'yes' === $coupon['cr_coupon__free_shipping'] ? 'yes' : 'no';
			update_post_meta( $coupon_id, 'free_shipping', $free_shipping );

$exclude_sale_items = 'yes' === $coupon['cr_coupon__exclude_sale_items'] ? 'yes' : 'no';
			update_post_meta( $coupon_id, 'exclude_sale_items', $exclude_sale_items );

$product_categories = is_array( $coupon['cr_coupon__product_categories'] ) ? $coupon['cr_coupon__product_categories'] : array();
			update_post_meta( $coupon_id, 'product_categories', $product_categories );

$exclude_product_categories = is_array( $coupon['cr_coupon__excluded_product_categories'] ) ? $coupon['cr_coupon__excluded_product_categories'] : array();
			update_post_meta( $coupon_id, 'exclude_product_categories', $exclude_product_categories );

$minimum_amount =  0 < floatval( $coupon['cr_coupon__minimum_amount'] ) ? floatval( $coupon['cr_coupon__minimum_amount'] ) : 0;
			if( $minimum_amount > 0 ) {
				update_post_meta( $coupon_id, 'minimum_amount', $minimum_amount );
			} else {
				update_post_meta( $coupon_id, 'minimum_amount', '' );
			}

$maximum_amount = 0 < floatval( $coupon['cr_coupon__maximum_amount'] ) ? floatval( $coupon['cr_coupon__maximum_amount'] ) : 0;
			if( $maximum_amount > 0 ) {
				update_post_meta( $coupon_id, 'maximum_amount', $maximum_amount );
			} else {
				update_post_meta( $coupon_id, 'maximum_amount', '' );
			}
			update_post_meta( $coupon_id, 'usage_count', 0 );
			update_post_meta( $coupon_id, 'generated_from_review_id', $review_id );
			update_post_meta( $coupon_id, '_ivole_auto_generated', 1 );
		}
		return $coupon_id;
	}
	/**
	 * Get content
	 *
	 * @access public
	 * @return string
	 */
	public function get_content() {
		ob_start();
		//$email_heading = $this->heading;
		$def_body = Ivole_Email::$default_body_coupon;
		$lang = $this->language;
		include( $this->template_html );
		return ob_get_clean();
	}

public static function plugin_path() {
		return untrailingslashit( plugin_dir_path( __FILE__ ) );
	}

public function replace_variables( $input ) {
		return str_replace( $this->find, $this->replace, __( $input ) );
	}

public function get_last_order_with_product( $product_id, $email ) {
		global $wpdb;
		$statuses = array( 'processing', 'completed' );
		$result = $wpdb->get_col( "
				SELECT p.ID FROM {$wpdb->posts} AS p
				INNER JOIN {$wpdb->postmeta} AS pm ON p.ID = pm.post_id
				INNER JOIN {$wpdb->prefix}woocommerce_order_items AS i ON p.ID = i.order_id
				INNER JOIN {$wpdb->prefix}woocommerce_order_itemmeta AS im ON i.order_item_id = im.order_item_id
				WHERE p.post_status IN ( 'wc-" . implode( "','wc-", $statuses ) . "' )
				AND pm.meta_key IN ( '_billing_email' )
				AND im.meta_key IN ( '_product_id', '_variation_id' )
				AND im.meta_value IN ('" . $product_id . "')
				AND pm.meta_value IN ( '" . $email . "' )
		" );
		$result = array_map( 'absint', $result );
		if( count( $result ) > 0 ) {
			//error_log( 'ORDER ID: ' . print_r( max( $result ), true ) );
			return max( $result );
		} else {
			return -1;
		}
	}

}

endif;