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Edit File: carts_helper.php

<?php
/*
 * Copyright (c) 2023 LatePoint LLC. All rights reserved.
 */

class OsCartsHelper {
	public static $cart;

public static function reset_cart() {
		unset( $_COOKIE[ LATEPOINT_CART_COOKIE ] );
		self::$cart = self::create_cart();
	}

public static function get_cart_uuid() {
		if ( isset( $_COOKIE[ LATEPOINT_CART_COOKIE ] ) ) {
			return sanitize_text_field( wp_unslash( $_COOKIE[ LATEPOINT_CART_COOKIE ] ) );
		} else {
			return false;
		}
	}

public static function can_checkout_multiple_items(): bool {
		$can = apply_filters( 'latepoint_can_checkout_multiple_items', false );
		if ( $can ) {
			$force_disabled = OsSettingsHelper::is_on( 'disable_checkout_multiple_items' );
			if ( $force_disabled ) {
				return false;
			} else {
				return true;
			}
		} else {
			return false;
		}
	}

public static function get_cart_id() {
		$cart = self::get_or_create_cart();
		return $cart->id;
	}

public static function create_cart( $persist = false ) {
		$cart = new OsCartModel();
		if ( self::get_cart_uuid() ) {
			$cart->uuid = self::get_cart_uuid();
		} else {
			$cart->uuid = OsUtilHelper::generate_uuid();
			OsSessionsHelper::setcookie( LATEPOINT_CART_COOKIE, $cart->uuid );
			$_COOKIE[ LATEPOINT_CART_COOKIE ] = $cart->uuid;
		}
		if ( ! $persist ) {
			return $cart;
		}
		if ( $cart->save() ) {
			return $cart;
		} else {
			return null;
		}
	}

public static function clear_current_cart() {
		$cart = self::get_or_create_cart();
	}

public static function is_current_cart_empty() {
		$cart       = self::get_or_create_cart();
		$cart_items = $cart->get_items();
		return empty( $cart_items );
	}

public static function get_or_create_cart( $persist = false ) {
		// no cart in cookie and not in database when asked for persistent one - create one
		if ( ! isset( self::$cart ) || ( $persist && empty( self::$cart->id ) ) ) {
			if ( empty( self::get_cart_uuid() ) ) {
				self::$cart = self::create_cart( $persist );
			} else {
				// cookie is set, try to retrieve from DB
				$cart = new OsCartModel();
				$cart = $cart->where( [ 'uuid' => self::get_cart_uuid() ] )->set_limit( 1 )->get_results_as_models();
				if ( ! empty( $cart ) && ! empty( $cart->id ) ) {
					self::$cart = $cart;
				} else {
					self::$cart = self::create_cart( $persist );
				}
			}
		}
		return self::$cart;
	}

public static function add_item_to_cart( OsCartItemModel $item ) {
		$cart = self::get_or_create_cart( true );
		if ( $cart ) {
			$cart->add_item( $item );
		}
		return false;
	}

public static function add_bundle_to_cart( OsBundleModel $bundle ) {
		$item            = new OsCartItemModel();
		$item->variant   = LATEPOINT_ITEM_VARIANT_BUNDLE;
		$item->item_data = wp_json_encode( $bundle->generate_params_for_booking_form() );
		self::add_item_to_cart( $item );
	}

public static function add_booking_to_cart( OsBookingModel $booking ) {
		$item            = new OsCartItemModel();
		$item->variant   = LATEPOINT_ITEM_VARIANT_BOOKING;
		$item->item_data = wp_json_encode( $booking->generate_params_for_booking_form() );
		return self::add_item_to_cart( $item );
	}

public static function get_items_for_cart_id( $cart_id ) {
		$cart_items = new OsCartItemModel();
		return $cart_items->where( [ 'cart_id' => $cart_id ] )->get_results_as_models();
	}

public static function get_default_payment_portion_type( $cart ) {
		$regular_price = $cart->get_total();
		$deposit_price = $cart->deposit_amount_to_charge( [ 'apply_coupons' => false ] );
		if ( ( $regular_price == 0 ) && ( $deposit_price > 0 ) ) {
			return LATEPOINT_PAYMENT_PORTION_DEPOSIT;
		} else {
			return LATEPOINT_PAYMENT_PORTION_FULL;
		}
	}

public static function can_checkout(): bool {
		$cart = self::get_or_create_cart();
		return ( count( $cart->get_items() ) > 0 );
	}

public static function create_cart_item_from_item_data( array $cart_item_data ): OsCartItemModel {
		$cart_item            = new OsCartItemModel();
		$cart_item->variant   = $cart_item_data['variant'];
		$cart_item->item_data = wp_json_encode( $cart_item_data['item_data'] );

$cart_item->subtotal        = $cart_item_data['subtotal'];
		$cart_item->total           = $cart_item_data['total'];
		$cart_item->coupon_discount = $cart_item_data['coupon_discount'];
		$cart_item->coupon_code     = $cart_item_data['coupon_code'];
		$cart_item->tax_total       = $cart_item_data['tax_total'];
		return $cart_item;
	}
}

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