makecommerce / shipping / method / shippingclasses.php

shippingclasses.php in MakeCommerce for WooCommerce 3.0.12, at shipping/method/shippingclasses.php

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1	<?php
2
3	namespace MakeCommerce\Shipping\Method;
4
5	/**
6	* Adds shipping classes functionality to shipping methods
7	*
8	* @since 3.0.6
9	*/
10
11	trait ShippingClasses {
12
13	/**
14	* Add shipping class specific form fields to admin
15	*
16	* @since 3.0.6
17	*/
18	public function add_form_fields( $instance_form_fields ) {
19
20	$shipping_classes = WC()->shipping()->get_shipping_classes();
21
22	if ( ! empty( $shipping_classes ) ) {
23
24	$instance_form_fields['class_costs'] = array(
25	'title' => __( 'Shipping class costs (optional)', 'wc_makecommerce_domain' ),
26	'description' => __( 'Shipping class cost is added to the shipping price. If multiple are found, the one with highest cost is added.', 'wc_makecommerce_domain' ),
27	'type' => 'title',
28	'default' => '',
29	);
30
31	foreach ( $shipping_classes as $shipping_class ) {
32
33	if ( ! isset( $shipping_class->term_id ) ) {
34	continue;
35	}
36
37	$instance_form_fields[ 'class_cost_' . $shipping_class->term_id ] = array(
38	'title' => esc_html( $shipping_class->name ),
39	'type' => 'text',
40	'default' => '',
41	'desc_tip' => true,
42	);
43	}
44	}
45
46	return $instance_form_fields;
47	}
48
49	/**
50	* Calculates shipping price using shipping class costs
51	*
52	* @since 3.0.6
53	*/
54	public function calculate_shipping_class_price( $rate, $package ) {
55
56	$shipping_classes = WC()->shipping()->get_shipping_classes();
57
58	if ( !empty( $shipping_classes ) ) {
59	$found_shipping_classes = $this->find_shipping_classes( $package );
60	$highest_class_cost = 0;
61
62	foreach ( $found_shipping_classes as $shipping_class => $products ) {
63	$shipping_class_term = get_term_by( 'slug', $shipping_class, 'product_shipping_class' );
64	$class_cost_string = $shipping_class_term && $shipping_class_term->term_id ? $this->get_option( 'class_cost_' . $shipping_class_term->term_id, $this->get_option( 'class_cost_' . $shipping_class, '' ) ) : 0;
65
66	if ( '' === $class_cost_string ) {
67	continue;
68	}
69
70	$class_cost = $this->evaluate_cost( $class_cost_string );
71
72	if ( $class_cost > $highest_class_cost ) {
73	$highest_class_cost = $class_cost;
74	}
75	}
76
77	$rate['cost'] += $highest_class_cost;
78	}
79
80	return $rate;
81	}
82
83	/**
84	* Finds and returns a shipping classes
85	*
86	* @since 3.0.6
87	*/
88	public function find_shipping_classes( $package ) {
89
90	$found_shipping_classes = array();
91
92	foreach ( $package['contents'] as $item_id => $values ) {
93	if ( $values['data']->needs_shipping() ) {
94	$found_class = $values['data']->get_shipping_class();
95
96	if ( ! isset( $found_shipping_classes[ $found_class ] ) ) {
97	$found_shipping_classes[ $found_class ] = array();
98	}
99
100	$found_shipping_classes[ $found_class ][ $item_id ] = $values;
101	}
102	}
103
104	return $found_shipping_classes;
105	}
106
107	/**
108	* Formats and returns sum
109	*
110	* @since 3.0.6
111	*/
112	protected function evaluate_cost( $sum ) {
113
114	$locale = localeconv();
115	$decimals = array( wc_get_price_decimal_separator(), $locale['decimal_point'], $locale['mon_decimal_point'] );
116
117	// Remove whitespace from string.
118	$sum = preg_replace( '/\s+/', '', $sum );
119
120	// Remove locale from string.
121	$sum = str_replace( $decimals, '.', $sum );
122
123	// Trim invalid start/end characters.
124	$sum = rtrim( ltrim( $sum, "\t\n\r\0\x0B+/" ), "\t\n\r\0\x0B+-/" );
125
126	// Do the math.
127	return $sum ? $sum : 0;
128	}
129	}
130