tier-pricing-table / src / Addons / MinQuantity / MinQuantity.php

MinQuantity.php in Tiered Pricing Table for WooCommerce 6.1.0, at src/Addons/MinQuantity/MinQuantity.php

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1	<?php namespace TierPricingTable\Addons\MinQuantity;
2
3	use TierPricingTable\Addons\AbstractAddon;
4	use TierPricingTable\PriceManager;
5	use TierPricingTable\TierPricingTablePlugin;
6	use WC_Cart;
7	use WC_Product;
8
9	class MinQuantity extends AbstractAddon {
10
11	public function getName(): string {
12	return __( 'Minimum order quantity validation', 'tier-pricing-table' );
13	}
14
15	public function run() {
16
17	add_action( 'woocommerce_before_calculate_totals', function ( WC_Cart $cart ) {
18	foreach ( $cart->get_cart_contents() as $cartItemKey => $cartItem ) {
19	if ( $cartItem['data'] instanceof WC_Product ) {
20
21	$productId = ! empty( $cartItem['variation_id'] ) ? $cartItem['variation_id'] : $cartItem['product_id'];
22
23	$pricingRule = PriceManager::getPricingRule( $productId );
24	$min = $pricingRule->getMinimum();
25
26	if ( ! $min ) {
27	return;
28	}
29
30	if ( $this->getProductCartQuantity( $cartItem['product_id'], 'product', $cart ) < $min ) {
31	$cart->cart_contents[ $cartItemKey ]['quantity'] = $min;
32
33	// translators: %1$s: item name, %2$s: minimum quantity
34	wc_add_notice( sprintf( __( 'Minimum quantity for the %1$s is %2$d', 'tier-pricing-table' ),
35	$cartItem['data']->get_name(), $min ), 'error' );
36	}
37	}
38	}
39	} );
40
41	add_filter( 'woocommerce_quantity_input_args', function ( $args, $product = null ) {
42
43	if ( $product instanceof WC_Product && TierPricingTablePlugin::isSimpleProductSupported( $product ) ) {
44	$pricingRule = PriceManager::getPricingRule( $product->get_id() );
45	$min = $pricingRule->getMinimum();
46
47	if ( ! $min ) {
48	return $args;
49	}
50
51	$min = max( 1, $min - $this->getProductCartQuantity( $product->get_id() ) );
52	$args['min_value'] = $min;
53	}
54
55	return $args;
56	}, 9999, 2 );
57
58	// Quantity field in the cart
59	add_filter( 'woocommerce_quantity_input_args', function ( $args, ?WC_Product $product ) {
60
61	if ( ! apply_filters( 'tiered_pricing_table/minimum_quantity/control_cart_quantity_field', true,
62	$product ) ) {
63	return $args;
64	}
65
66	if ( ! is_cart() ) {
67	return $args;
68	}
69
70	if ( $product instanceof WC_Product && TierPricingTablePlugin::isSimpleProductSupported( $product ) ) {
71	$pricingRule = PriceManager::getPricingRule( $product->get_id() );
72	$min = $pricingRule->getMinimum();
73
74	if ( ! $min ) {
75	return $args;
76	}
77
78	$args['min_value'] = $pricingRule->getMinimum();
79	}
80
81	return $args;
82	}, 10, 3 );
83
84	add_filter( 'woocommerce_add_to_cart_validation', function ( $passed, $productId, $quantity ) {
85	$productId = intval( $productId );
86	$quantity = intval( $quantity );
87
88	$pricingRule = PriceManager::getPricingRule( $productId );
89	$min = $pricingRule->getMinimum();
90
91	if ( ! $min ) {
92	return $passed;
93	}
94
95	$min = max( 1, $min - $this->getProductCartQuantity( $productId ) );
96
97	if ( $quantity < $min ) {
98
99	// translators: %s: minimum quantity
100	wc_add_notice( sprintf( __( 'Minimum quantity for the product is %s', 'tier-pricing-table' ), $min ),
101	'error' );
102
103	return false;
104	}
105
106	return $passed;
107
108	}, 10, 3 );
109
110	add_filter( 'woocommerce_update_cart_validation', function ( $passed, $cart_item_key, $values, $quantity ) {
111
112	$product = $values['data'] ?? null;
113
114	if ( ! ( $product instanceof WC_Product ) ) {
115	return $passed;
116	}
117
118	$pricingRule = PriceManager::getPricingRule( $product->get_id() );
119
120	if ( ! $pricingRule->getMinimum() ) {
121	return $passed;
122	}
123
124	$min = max( 1, $pricingRule->getMinimum() - $this->getProductCartQuantity( $values['product_id'] ) );
125
126	if ( $quantity && $quantity < $pricingRule->getMinimum() ) {
127
128	// translators: %s: minimum quantity
129	wc_add_notice( sprintf( __( 'Minimum quantity for the product is %s', 'tier-pricing-table' ), $pricingRule->getMinimum() ),
130	'error' );
131
132	return false;
133	}
134
135	return $passed;
136
137	}, 10, 4 );
138
139	add_filter( 'woocommerce_available_variation', function ( $variation ) {
140	$pricingRule = PriceManager::getPricingRule( (int) $variation['variation_id'] );
141
142	$min = $pricingRule->getMinimum();
143
144	if ( ! $min ) {
145	return $variation;
146	}
147
148	$min = max( 1, $min - $this->getProductCartQuantity( (int) $variation['variation_id'], 'variation' ) );
149
150	$variation['min_qty'] = $min;
151	$variation['qty_value'] = $min;
152
153	return $variation;
154	} );
155
156	add_action( 'wp_head', function () {
157
158	if ( ! is_product() ) {
159	return;
160	}
161
162	?>
163	<script>
164	// Handle Minimum Quantities by Tiered Pricing Table
165	(function ($) {
166
167	$(document).on('found_variation', function (event, variation) {
168	if (typeof variation.qty_value !== "undefined") {
169	// update quantity field with a new minimum
170	$('form.cart').find('[name=quantity]').val(variation.qty_value)
171	}
172
173	if (typeof variation.min_qty !== "undefined") {
174	// update quantity field with a new minimum
175	$('form.cart').find('[name=quantity]').attr('min', variation.min_qty);
176	}
177	});
178
179	})(jQuery);
180	</script>
181	<?php
182	} );
183	}
184
185	protected function getProductCartQuantity( $productId, $type = 'product', $cart = null ) {
186	$qty = 0;
187
188	$cart = $cart ? $cart : wc()->cart;
189
190	if ( $cart && is_array( $cart->cart_contents ) ) {
191	foreach ( $cart->cart_contents as $cartItem ) {
192
193	if ( 'variation' === $type ) {
194	$compare = ! empty( $cartItem['variation_id'] ) ? $cartItem['variation_id'] : 0;
195	} else {
196	$compare = $cartItem['product_id'];
197	}
198
199	if ( $compare == $productId ) {
200	$qty += $cartItem['quantity'];
201	}
202	}
203	}
204
205	return apply_filters( 'tiered_pricing_table/minimum_quantity/item_quantity', $qty, $productId );
206	}
207
208	public function getDescription(): string {
209	return __( 'Turning it off might be useful in case of incompatibility with a 3rd-party MOQ plugin you might use.',
210	'tier-pricing-table' );
211	}
212
213	public function getSlug(): string {
214	return 'minimum-quantity';
215	}
216	}
217