Duplicate code is one of the most pungent code smells. A rule that is often used is to re-structure code once it is duplicated in three or more places.
Common duplication problems, and corresponding solutions are:
Complex classes like WC_Coupon often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes. You can also have a look at the cohesion graph to spot any un-connected, or weakly-connected components.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
While breaking up the class, it is a good idea to analyze how other classes use WC_Coupon, and based on these observations, apply Extract Interface, too.
| 1 | <?php |
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| 19 | class WC_Coupon extends WC_Legacy_Coupon { |
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| 20 | |||
| 21 | /** |
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| 22 | * Data array, with defaults. |
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| 23 | * @since 2.7.0 |
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| 24 | * @var array |
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| 25 | */ |
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| 26 | protected $_data = array( |
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| 27 | 'id' => 0, |
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| 28 | 'code' => '', |
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| 29 | 'amount' => 0, |
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| 30 | 'date_created' => '', |
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| 31 | 'date_modified' => '', |
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| 32 | 'discount_type' => 'fixed_cart', |
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| 33 | 'description' => '', |
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| 34 | 'date_expires' => '', |
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| 35 | 'usage_count' => 0, |
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| 36 | 'individual_use' => false, |
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| 37 | 'product_ids' => array(), |
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| 38 | 'excluded_product_ids' => array(), |
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| 39 | 'usage_limit' => 0, |
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| 40 | 'usage_limit_per_user' => 0, |
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| 41 | 'limit_usage_to_x_items' => 0, |
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| 42 | 'free_shipping' => false, |
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| 43 | 'product_categories' => array(), |
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| 44 | 'excluded_product_categories' => array(), |
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| 45 | 'exclude_sale_items' => false, |
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| 46 | 'minimum_amount' => '', |
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| 47 | 'maximum_amount' => '', |
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| 48 | 'email_restrictions' => array(), |
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| 49 | 'used_by' => '', |
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| 50 | ); |
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| 51 | |||
| 52 | // Coupon message codes |
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| 53 | const E_WC_COUPON_INVALID_FILTERED = 100; |
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| 54 | const E_WC_COUPON_INVALID_REMOVED = 101; |
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| 55 | const E_WC_COUPON_NOT_YOURS_REMOVED = 102; |
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| 56 | const E_WC_COUPON_ALREADY_APPLIED = 103; |
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| 57 | const E_WC_COUPON_ALREADY_APPLIED_INDIV_USE_ONLY = 104; |
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| 58 | const E_WC_COUPON_NOT_EXIST = 105; |
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| 59 | const E_WC_COUPON_USAGE_LIMIT_REACHED = 106; |
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| 60 | const E_WC_COUPON_EXPIRED = 107; |
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| 61 | const E_WC_COUPON_MIN_SPEND_LIMIT_NOT_MET = 108; |
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| 62 | const E_WC_COUPON_NOT_APPLICABLE = 109; |
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| 63 | const E_WC_COUPON_NOT_VALID_SALE_ITEMS = 110; |
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| 64 | const E_WC_COUPON_PLEASE_ENTER = 111; |
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| 65 | const E_WC_COUPON_MAX_SPEND_LIMIT_MET = 112; |
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| 66 | const E_WC_COUPON_EXCLUDED_PRODUCTS = 113; |
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| 67 | const E_WC_COUPON_EXCLUDED_CATEGORIES = 114; |
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| 68 | const WC_COUPON_SUCCESS = 200; |
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| 69 | const WC_COUPON_REMOVED = 201; |
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| 70 | |||
| 71 | /** |
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| 72 | * Internal meta type used to store coupon data. |
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| 73 | * @since 2.7.0 |
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| 74 | * @var string |
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| 75 | */ |
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| 76 | protected $_meta_type = 'post'; |
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| 77 | |||
| 78 | /** |
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| 79 | * Data stored in meta keys, but not considered "meta" for a coupon. |
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| 80 | * @since 2.7.0 |
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| 81 | * @var array |
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| 82 | */ |
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| 83 | protected $_internal_meta_keys = array( |
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| 84 | 'discount_type', 'coupon_amount', 'expiry_date', 'usage_count', |
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| 85 | 'individual_use', 'product_ids', 'exclude_product_ids', 'usage_limit', |
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| 86 | 'usage_limit_per_user', 'limit_usage_to_x_items', 'free_shipping', |
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| 87 | 'product_categories', 'exclude_product_categories', 'exclude_sale_items', |
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| 88 | 'minimum_amount', 'maximum_amount', 'customer_email', '_used_by', |
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| 89 | '_edit_lock', '_edit_last', |
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| 90 | ); |
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| 91 | |||
| 92 | /** |
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| 93 | * Coupon constructor. Loads coupon data. |
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| 94 | * @param mixed $data Coupon data, object, ID or code. |
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| 95 | */ |
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| 96 | public function __construct( $data = '' ) { |
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| 97 | parent::__construct( $data ); |
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| 98 | |||
| 99 | if ( $data instanceof WC_Coupon ) { |
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| 100 | $this->read( absint( $data->get_id() ) ); |
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| 101 | } elseif ( $coupon = apply_filters( 'woocommerce_get_shop_coupon_data', false, $data ) ) { |
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| 102 | _doing_it_wrong( 'woocommerce_get_shop_coupon_data', 'Reading a manual coupon via woocommerce_get_shop_coupon_data has been deprecated. Please sent an instance of WC_Coupon instead.', '2.7' ); |
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| 103 | $this->read_manual_coupon( $data, $coupon ); |
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| 104 | } elseif ( is_numeric( $data ) && 'shop_coupon' === get_post_type( $data ) ) { |
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| 105 | $this->read( $data ); |
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| 106 | } elseif ( ! empty( $data ) ) { |
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| 107 | $this->set_code( $data ); |
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| 108 | $this->read( wc_get_coupon_id_by_code( $data ) ); |
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| 109 | } |
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| 110 | } |
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| 111 | |||
| 112 | /** |
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| 113 | * Checks the coupon type. |
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| 114 | * @param string $type Array or string of types |
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| 115 | * @return bool |
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| 116 | */ |
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| 117 | public function is_type( $type ) { |
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| 118 | return ( $this->get_discount_type() == $type || ( is_array( $type ) && in_array( $this->get_discount_type(), $type ) ) ); |
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| 119 | } |
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| 120 | |||
| 121 | /* |
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| 122 | |-------------------------------------------------------------------------- |
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| 123 | | Getters |
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| 124 | |-------------------------------------------------------------------------- |
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| 125 | | |
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| 126 | | Methods for getting data from the coupon object. |
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| 127 | | |
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| 128 | */ |
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| 129 | |||
| 130 | /** |
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| 131 | * Get coupon ID. |
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| 132 | * @since 2.7.0 |
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| 133 | * @return integer |
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| 134 | */ |
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| 135 | public function get_id() { |
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| 136 | return $this->_data['id']; |
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| 137 | } |
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| 138 | |||
| 139 | /** |
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| 140 | * Get coupon code. |
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| 141 | * @since 2.7.0 |
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| 142 | * @return string |
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| 143 | */ |
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| 144 | public function get_code() { |
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| 145 | return $this->_data['code']; |
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| 146 | } |
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| 147 | |||
| 148 | /** |
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| 149 | * Get coupon description. |
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| 150 | * @since 2.7.0 |
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| 151 | * @return string |
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| 152 | */ |
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| 153 | public function get_description() { |
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| 154 | return $this->_data['description']; |
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| 155 | } |
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| 156 | |||
| 157 | /** |
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| 158 | * Get discount type. |
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| 159 | * @since 2.7.0 |
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| 160 | * @return string |
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| 161 | */ |
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| 162 | public function get_discount_type() { |
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| 163 | return $this->_data['discount_type']; |
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| 164 | } |
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| 165 | |||
| 166 | /** |
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| 167 | * Get coupon code. |
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| 168 | * @since 2.7.0 |
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| 169 | * @return float |
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| 170 | */ |
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| 171 | public function get_amount() { |
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| 172 | return wc_format_decimal( $this->_data['amount'] ); |
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| 173 | } |
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| 174 | |||
| 175 | /** |
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| 176 | * Get coupon expiration date. |
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| 177 | * @since 2.7.0 |
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| 178 | * @return int |
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| 179 | */ |
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| 180 | public function get_date_expires() { |
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| 181 | return $this->_data['date_expires']; |
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| 182 | } |
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| 183 | |||
| 184 | /** |
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| 185 | * Get date_created |
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| 186 | * @since 2.7.0 |
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| 187 | * @return int |
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| 188 | */ |
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| 189 | public function get_date_created() { |
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| 190 | return $this->_data['date_created']; |
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| 191 | } |
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| 192 | |||
| 193 | /** |
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| 194 | * Get date_modified |
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| 195 | * @since 2.7.0 |
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| 196 | * @return int |
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| 197 | */ |
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| 198 | public function get_date_modified() { |
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| 199 | return $this->_data['date_modified']; |
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| 200 | } |
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| 201 | |||
| 202 | /** |
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| 203 | * Get coupon usage count. |
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| 204 | * @since 2.7.0 |
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| 205 | * @return integer |
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| 206 | */ |
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| 207 | public function get_usage_count() { |
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| 208 | return $this->_data['usage_count']; |
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| 209 | } |
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| 210 | |||
| 211 | /** |
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| 212 | * Get the "indvidual use" checkbox status. |
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| 213 | * @since 2.7.0 |
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| 214 | * @return bool |
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| 215 | */ |
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| 216 | public function get_individual_use() { |
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| 217 | return $this->_data['individual_use']; |
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| 218 | } |
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| 219 | |||
| 220 | /** |
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| 221 | * Get product IDs this coupon can apply to. |
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| 222 | * @since 2.7.0 |
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| 223 | * @return array |
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| 224 | */ |
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| 225 | public function get_product_ids() { |
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| 226 | return $this->_data['product_ids']; |
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| 227 | } |
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| 228 | |||
| 229 | /** |
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| 230 | * Get product IDs that this coupon should not apply to. |
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| 231 | * @since 2.7.0 |
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| 232 | * @return array |
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| 233 | */ |
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| 234 | public function get_excluded_product_ids() { |
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| 235 | return $this->_data['excluded_product_ids']; |
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| 236 | } |
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| 237 | |||
| 238 | /** |
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| 239 | * Get coupon usage limit. |
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| 240 | * @since 2.7.0 |
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| 241 | * @return integer |
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| 242 | */ |
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| 243 | public function get_usage_limit() { |
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| 244 | return $this->_data['usage_limit']; |
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| 245 | } |
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| 246 | |||
| 247 | /** |
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| 248 | * Get coupon usage limit per customer (for a single customer) |
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| 249 | * @since 2.7.0 |
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| 250 | * @return integer |
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| 251 | */ |
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| 252 | public function get_usage_limit_per_user() { |
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| 253 | return $this->_data['usage_limit_per_user']; |
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| 254 | } |
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| 255 | |||
| 256 | /** |
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| 257 | * Usage limited to certain amount of items |
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| 258 | * @since 2.7.0 |
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| 259 | * @return integer |
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| 260 | */ |
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| 261 | public function get_limit_usage_to_x_items() { |
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| 262 | return $this->_data['limit_usage_to_x_items']; |
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| 263 | } |
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| 264 | |||
| 265 | /** |
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| 266 | * If this coupon grants free shipping or not. |
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| 267 | * @since 2.7.0 |
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| 268 | * @return bool |
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| 269 | */ |
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| 270 | public function get_free_shipping() { |
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| 271 | return $this->_data['free_shipping']; |
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| 272 | } |
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| 273 | |||
| 274 | /** |
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| 275 | * Get product categories this coupon can apply to. |
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| 276 | * @since 2.7.0 |
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| 277 | * @return array |
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| 278 | */ |
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| 279 | public function get_product_categories() { |
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| 280 | return $this->_data['product_categories']; |
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| 281 | } |
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| 282 | |||
| 283 | /** |
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| 284 | * Get product categories this coupon cannot not apply to. |
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| 285 | * @since 2.7.0 |
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| 286 | * @return array |
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| 287 | */ |
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| 288 | public function get_excluded_product_categories() { |
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| 289 | return $this->_data['excluded_product_categories']; |
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| 290 | } |
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| 291 | |||
| 292 | /** |
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| 293 | * If this coupon should exclude items on sale. |
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| 294 | * @since 2.7.0 |
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| 295 | * @return bool |
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| 296 | */ |
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| 297 | public function get_exclude_sale_items() { |
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| 298 | return $this->_data['exclude_sale_items']; |
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| 299 | } |
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| 300 | |||
| 301 | /** |
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| 302 | * Get minium spend amount. |
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| 303 | * @since 2.7.0 |
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| 304 | * @return float |
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| 305 | */ |
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| 306 | public function get_minimum_amount() { |
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| 307 | return wc_format_decimal( $this->_data['minimum_amount'] ); |
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| 308 | } |
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| 309 | /** |
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| 310 | * Get maximum spend amount. |
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| 311 | * @since 2.7.0 |
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| 312 | * @return float |
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| 313 | */ |
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| 314 | public function get_maximum_amount() { |
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| 315 | return wc_format_decimal( $this->_data['maximum_amount'] ); |
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| 316 | } |
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| 317 | |||
| 318 | /** |
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| 319 | * Get emails to check customer usage restrictions. |
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| 320 | * @since 2.7.0 |
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| 321 | * @return array |
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| 322 | */ |
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| 323 | public function get_email_restrictions() { |
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| 324 | return $this->_data['email_restrictions']; |
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| 325 | } |
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| 326 | |||
| 327 | /** |
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| 328 | * Get records of all users who have used the current coupon. |
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| 329 | * |
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| 330 | * @return array |
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| 331 | */ |
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| 332 | public function get_used_by() { |
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| 333 | return $this->_data['used_by']; |
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| 334 | } |
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| 335 | |||
| 336 | /** |
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| 337 | * Get discount amount for a cart item. |
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| 338 | * |
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| 339 | * @param float $discounting_amount Amount the coupon is being applied to |
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| 340 | * @param array|null $cart_item Cart item being discounted if applicable |
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| 341 | * @param boolean $single True if discounting a single qty item, false if its the line |
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| 342 | * @return float Amount this coupon has discounted |
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| 343 | */ |
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| 344 | public function get_discount_amount( $discounting_amount, $cart_item = null, $single = false ) { |
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| 345 | $discount = 0; |
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| 346 | $cart_item_qty = is_null( $cart_item ) ? 1 : $cart_item['quantity']; |
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| 347 | |||
| 348 | if ( $this->is_type( array( 'percent_product', 'percent' ) ) ) { |
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|
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| 349 | $discount = $this->get_amount() * ( $discounting_amount / 100 ); |
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| 350 | } elseif ( $this->is_type( 'fixed_cart' ) && ! is_null( $cart_item ) && WC()->cart->subtotal_ex_tax ) { |
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| 351 | /** |
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| 352 | * This is the most complex discount - we need to divide the discount between rows based on their price in. |
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| 353 | * proportion to the subtotal. This is so rows with different tax rates get a fair discount, and so rows. |
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| 354 | * with no price (free) don't get discounted. |
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| 355 | * |
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| 356 | * Get item discount by dividing item cost by subtotal to get a %. |
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| 357 | * |
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| 358 | * Uses price inc tax if prices include tax to work around https://github.com/woothemes/woocommerce/issues/7669 and https://github.com/woothemes/woocommerce/issues/8074. |
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| 359 | */ |
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| 360 | if ( wc_prices_include_tax() ) { |
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| 361 | $discount_percent = ( $cart_item['data']->get_price_including_tax() * $cart_item_qty ) / WC()->cart->subtotal; |
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| 362 | } else { |
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| 363 | $discount_percent = ( $cart_item['data']->get_price_excluding_tax() * $cart_item_qty ) / WC()->cart->subtotal_ex_tax; |
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| 364 | } |
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| 365 | $discount = ( $this->get_amount() * $discount_percent ) / $cart_item_qty; |
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| 366 | |||
| 367 | } elseif ( $this->is_type( 'fixed_product' ) ) { |
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| 368 | $discount = min( $this->get_amount(), $discounting_amount ); |
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| 369 | $discount = $single ? $discount : $discount * $cart_item_qty; |
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| 370 | } |
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| 371 | |||
| 372 | $discount = min( $discount, $discounting_amount ); |
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| 373 | |||
| 374 | // Handle the limit_usage_to_x_items option |
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| 375 | if ( $this->is_type( array( 'percent_product', 'fixed_product' ) ) ) { |
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| 376 | if ( $discounting_amount ) { |
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| 377 | if ( '' === $this->get_limit_usage_to_x_items() ) { |
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| 378 | $limit_usage_qty = $cart_item_qty; |
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| 379 | } else { |
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| 380 | $limit_usage_qty = min( $this->get_limit_usage_to_x_items(), $cart_item_qty ); |
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| 381 | $this->set_limit_usage_to_x_items( max( 0, $this->get_limit_usage_to_x_items() - $limit_usage_qty ) ); |
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| 382 | } |
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| 383 | if ( $single ) { |
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| 384 | $discount = ( $discount * $limit_usage_qty ) / $cart_item_qty; |
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| 385 | } else { |
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| 386 | $discount = ( $discount / $cart_item_qty ) * $limit_usage_qty; |
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| 387 | } |
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| 388 | } |
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| 389 | } |
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| 390 | |||
| 391 | $discount = round( $discount, wc_get_rounding_precision() ); |
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| 392 | |||
| 393 | return apply_filters( 'woocommerce_coupon_get_discount_amount', $discount, $discounting_amount, $cart_item, $single, $this ); |
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| 394 | } |
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| 395 | |||
| 396 | /* |
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| 397 | |-------------------------------------------------------------------------- |
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| 398 | | Setters |
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| 399 | |-------------------------------------------------------------------------- |
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| 400 | | |
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| 401 | | Functions for setting coupon data. These should not update anything in the |
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| 402 | | database itself and should only change what is stored in the class |
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| 403 | | object. |
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| 404 | | |
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| 405 | */ |
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| 406 | |||
| 407 | /** |
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| 408 | * Set ID |
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| 409 | * @param int $value |
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| 410 | * @throws WC_Data_Exception |
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| 411 | */ |
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| 412 | public function set_id( $value ) { |
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| 413 | $this->_data['id'] = absint( $value ); |
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| 414 | } |
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| 415 | |||
| 416 | /** |
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| 417 | * Set coupon code. |
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| 418 | * @since 2.7.0 |
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| 419 | * @param string $code |
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| 420 | * @throws WC_Data_Exception |
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| 421 | */ |
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| 422 | public function set_code( $code ) { |
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| 423 | $this->_data['code'] = apply_filters( 'woocommerce_coupon_code', $code ); |
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| 424 | } |
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| 425 | |||
| 426 | /** |
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| 427 | * Set coupon description. |
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| 428 | * @since 2.7.0 |
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| 429 | * @param string $description |
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| 430 | * @throws WC_Data_Exception |
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| 431 | */ |
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| 432 | public function set_description( $description ) { |
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| 435 | |||
| 436 | /** |
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| 437 | * Set discount type. |
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| 438 | * @since 2.7.0 |
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| 439 | * @param string $discount_type |
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| 440 | * @throws WC_Data_Exception |
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| 441 | */ |
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| 442 | public function set_discount_type( $discount_type ) { |
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| 443 | if ( ! in_array( $discount_type, array_keys( wc_get_coupon_types() ) ) ) { |
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| 444 | $this->error( 'coupon_invalid_discount_type', __( 'Invalid discount type', 'woocommerce' ) ); |
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| 445 | } |
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| 446 | $this->_data['discount_type'] = $discount_type; |
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| 447 | } |
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| 448 | |||
| 449 | /** |
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| 450 | * Set amount. |
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| 451 | * @since 2.7.0 |
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| 452 | * @param float $amount |
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| 453 | * @throws WC_Data_Exception |
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| 454 | */ |
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| 455 | public function set_amount( $amount ) { |
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| 456 | $this->_data['amount'] = wc_format_decimal( $amount ); |
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| 457 | } |
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| 458 | |||
| 459 | /** |
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| 460 | * Set expiration date. |
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| 461 | * @since 2.7.0 |
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| 462 | * @param string $timestamp Timestamp |
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| 463 | * @throws WC_Data_Exception |
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| 464 | */ |
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| 465 | public function set_date_expires( $timestamp ) { |
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| 468 | |||
| 469 | /** |
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| 470 | * Set date_created |
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| 471 | * @since 2.7.0 |
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| 472 | * @param string $timestamp Timestamp |
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| 473 | * @throws WC_Data_Exception |
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| 474 | */ |
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| 475 | public function set_date_created( $timestamp ) { |
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| 478 | |||
| 479 | /** |
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| 480 | * Set date_modified |
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| 481 | * @since 2.7.0 |
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| 482 | * @param string $timestamp |
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| 483 | * @throws WC_Data_Exception |
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| 484 | */ |
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| 485 | public function set_date_modified( $timestamp ) { |
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| 488 | |||
| 489 | /** |
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| 490 | * Set how many times this coupon has been used. |
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| 491 | * @since 2.7.0 |
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| 492 | * @param int $usage_count |
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| 493 | * @throws WC_Data_Exception |
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| 494 | */ |
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| 495 | public function set_usage_count( $usage_count ) { |
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| 498 | |||
| 499 | /** |
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| 500 | * Set if this coupon can only be used once. |
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| 501 | * @since 2.7.0 |
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| 502 | * @param bool $is_individual_use |
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| 503 | * @throws WC_Data_Exception |
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| 504 | */ |
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| 505 | public function set_individual_use( $is_individual_use ) { |
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| 508 | |||
| 509 | /** |
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| 510 | * Set the product IDs this coupon can be used with. |
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| 511 | * @since 2.7.0 |
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| 512 | * @param array $product_ids |
||
| 513 | * @throws WC_Data_Exception |
||
| 514 | */ |
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| 515 | public function set_product_ids( $product_ids ) { |
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| 518 | |||
| 519 | /** |
||
| 520 | * Set the product IDs this coupon cannot be used with. |
||
| 521 | * @since 2.7.0 |
||
| 522 | * @param array $excluded_product_ids |
||
| 523 | * @throws WC_Data_Exception |
||
| 524 | */ |
||
| 525 | public function set_excluded_product_ids( $excluded_product_ids ) { |
||
| 528 | |||
| 529 | /** |
||
| 530 | * Set the amount of times this coupon can be used. |
||
| 531 | * @since 2.7.0 |
||
| 532 | * @param int $usage_limit |
||
| 533 | * @throws WC_Data_Exception |
||
| 534 | */ |
||
| 535 | public function set_usage_limit( $usage_limit ) { |
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| 538 | |||
| 539 | /** |
||
| 540 | * Set the amount of times this coupon can be used per user. |
||
| 541 | * @since 2.7.0 |
||
| 542 | * @param int $usage_limit |
||
| 543 | * @throws WC_Data_Exception |
||
| 544 | */ |
||
| 545 | public function set_usage_limit_per_user( $usage_limit ) { |
||
| 548 | |||
| 549 | /** |
||
| 550 | * Set usage limit to x number of items. |
||
| 551 | * @since 2.7.0 |
||
| 552 | * @param int $limit_usage_to_x_items |
||
| 553 | * @throws WC_Data_Exception |
||
| 554 | */ |
||
| 555 | public function set_limit_usage_to_x_items( $limit_usage_to_x_items ) { |
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| 558 | |||
| 559 | /** |
||
| 560 | * Set if this coupon enables free shipping or not. |
||
| 561 | * @since 2.7.0 |
||
| 562 | * @param bool $free_shipping |
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| 563 | * @throws WC_Data_Exception |
||
| 564 | */ |
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| 565 | public function set_free_shipping( $free_shipping ) { |
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| 568 | |||
| 569 | /** |
||
| 570 | * Set the product category IDs this coupon can be used with. |
||
| 571 | * @since 2.7.0 |
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| 572 | * @param array $product_categories |
||
| 573 | * @throws WC_Data_Exception |
||
| 574 | */ |
||
| 575 | public function set_product_categories( $product_categories ) { |
||
| 578 | |||
| 579 | /** |
||
| 580 | * Set the product category IDs this coupon cannot be used with. |
||
| 581 | * @since 2.7.0 |
||
| 582 | * @param array $excluded_product_categories |
||
| 583 | * @throws WC_Data_Exception |
||
| 584 | */ |
||
| 585 | public function set_excluded_product_categories( $excluded_product_categories ) { |
||
| 588 | |||
| 589 | /** |
||
| 590 | * Set if this coupon should excluded sale items or not. |
||
| 591 | * @since 2.7.0 |
||
| 592 | * @param bool $exclude_sale_items |
||
| 593 | * @throws WC_Data_Exception |
||
| 594 | */ |
||
| 595 | public function set_exclude_sale_items( $exclude_sale_items ) { |
||
| 598 | |||
| 599 | /** |
||
| 600 | * Set the minimum spend amount. |
||
| 601 | * @since 2.7.0 |
||
| 602 | * @param float $amount |
||
| 603 | * @throws WC_Data_Exception |
||
| 604 | */ |
||
| 605 | public function set_minimum_amount( $amount ) { |
||
| 608 | |||
| 609 | /** |
||
| 610 | * Set the maximum spend amount. |
||
| 611 | * @since 2.7.0 |
||
| 612 | * @param float $amount |
||
| 613 | * @throws WC_Data_Exception |
||
| 614 | */ |
||
| 615 | public function set_maximum_amount( $amount ) { |
||
| 618 | |||
| 619 | /** |
||
| 620 | * Set email restrictions. |
||
| 621 | * @since 2.7.0 |
||
| 622 | * @param array $emails |
||
| 623 | * @throws WC_Data_Exception |
||
| 624 | */ |
||
| 625 | public function set_email_restrictions( $emails = array() ) { |
||
| 634 | |||
| 635 | /** |
||
| 636 | * Set which users have used this coupon. |
||
| 637 | * @since 2.7.0 |
||
| 638 | * @param array $used_by |
||
| 639 | * @throws WC_Data_Exception |
||
| 640 | */ |
||
| 641 | public function set_used_by( $used_by ) { |
||
| 644 | |||
| 645 | /* |
||
| 646 | |-------------------------------------------------------------------------- |
||
| 647 | | CRUD methods |
||
| 648 | |-------------------------------------------------------------------------- |
||
| 649 | | |
||
| 650 | | Methods which create, read, update and delete coupons from the database. |
||
| 651 | | |
||
| 652 | | A save method is included for convenience (chooses update or create based |
||
| 653 | | on if the order exists yet). |
||
| 654 | | |
||
| 655 | */ |
||
| 656 | |||
| 657 | /** |
||
| 658 | * Reads an coupon from the database and sets its data to the class. |
||
| 659 | * @since 2.7.0 |
||
| 660 | * @param int $coupon_id |
||
| 661 | */ |
||
| 662 | public function read( $coupon_id ) { |
||
| 704 | |||
| 705 | /** |
||
| 706 | * Create a new coupon. |
||
| 707 | * @since 2.7.0 |
||
| 708 | */ |
||
| 709 | public function create() { |
||
| 730 | |||
| 731 | /** |
||
| 732 | * Updates an existing coupon. |
||
| 733 | * @since 2.7.0 |
||
| 734 | */ |
||
| 735 | public function update() { |
||
| 749 | |||
| 750 | /** |
||
| 751 | * Save data (either create or update depending on if we are working on an existing coupon) |
||
| 752 | * @since 2.7.0 |
||
| 753 | */ |
||
| 754 | public function save() { |
||
| 761 | |||
| 762 | /** |
||
| 763 | * Delete coupon from the database. |
||
| 764 | * @since 2.7.0 |
||
| 765 | */ |
||
| 766 | public function delete() { |
||
| 770 | |||
| 771 | /** |
||
| 772 | * Helper method that updates all the post meta for a coupon based on it's settings in the WC_Coupon class. |
||
| 773 | * @since 2.7.0 |
||
| 774 | * @param int $coupon_id |
||
| 775 | */ |
||
| 776 | private function update_post_meta( $coupon_id ) { |
||
| 795 | |||
| 796 | /** |
||
| 797 | * Developers can programically return coupons. This function will read those values into our WC_Coupon class. |
||
| 798 | * @since 2.7.0 |
||
| 799 | * @param string $code Coupon code |
||
| 800 | * @param array $coupon Array of coupon properties |
||
| 801 | */ |
||
| 802 | public function read_manual_coupon( $code, $coupon ) { |
||
| 841 | |||
| 842 | /* |
||
| 843 | |-------------------------------------------------------------------------- |
||
| 844 | | Other Actions |
||
| 845 | |-------------------------------------------------------------------------- |
||
| 846 | */ |
||
| 847 | |||
| 848 | /** |
||
| 849 | * Increase usage count for current coupon. |
||
| 850 | * |
||
| 851 | * @param string $used_by Either user ID or billing email |
||
| 852 | */ |
||
| 853 | public function inc_usage_count( $used_by = '' ) { |
||
| 863 | |||
| 864 | /** |
||
| 865 | * Decrease usage count for current coupon. |
||
| 866 | * |
||
| 867 | * @param string $used_by Either user ID or billing email |
||
| 868 | */ |
||
| 869 | public function dcr_usage_count( $used_by = '' ) { |
||
| 887 | |||
| 888 | /* |
||
| 889 | |-------------------------------------------------------------------------- |
||
| 890 | | Validation & Error Handling |
||
| 891 | |-------------------------------------------------------------------------- |
||
| 892 | */ |
||
| 893 | |||
| 894 | /** |
||
| 895 | * Returns the error_message string. |
||
| 896 | * |
||
| 897 | * @access public |
||
| 898 | * @return string |
||
| 899 | */ |
||
| 900 | public function get_error_message() { |
||
| 903 | |||
| 904 | /** |
||
| 905 | * Ensure coupon exists or throw exception. |
||
| 906 | * |
||
| 907 | * @throws Exception |
||
| 908 | */ |
||
| 909 | private function validate_exists() { |
||
| 914 | |||
| 915 | /** |
||
| 916 | * Ensure coupon usage limit is valid or throw exception. |
||
| 917 | * |
||
| 918 | * @throws Exception |
||
| 919 | */ |
||
| 920 | private function validate_usage_limit() { |
||
| 925 | |||
| 926 | /** |
||
| 927 | * Ensure coupon user usage limit is valid or throw exception. |
||
| 928 | * |
||
| 929 | * Per user usage limit - check here if user is logged in (against user IDs). |
||
| 930 | * Checked again for emails later on in WC_Cart::check_customer_coupons(). |
||
| 931 | * |
||
| 932 | * @param int $user_id |
||
| 933 | * @throws Exception |
||
| 934 | */ |
||
| 935 | private function validate_user_usage_limit( $user_id = 0 ) { |
||
| 948 | |||
| 949 | /** |
||
| 950 | * Ensure coupon date is valid or throw exception. |
||
| 951 | * |
||
| 952 | * @throws Exception |
||
| 953 | */ |
||
| 954 | private function validate_expiry_date() { |
||
| 959 | |||
| 960 | /** |
||
| 961 | * Ensure coupon amount is valid or throw exception. |
||
| 962 | * |
||
| 963 | * @throws Exception |
||
| 964 | */ |
||
| 965 | private function validate_minimum_amount() { |
||
| 970 | |||
| 971 | /** |
||
| 972 | * Ensure coupon amount is valid or throw exception. |
||
| 973 | * |
||
| 974 | * @throws Exception |
||
| 975 | */ |
||
| 976 | private function validate_maximum_amount() { |
||
| 981 | |||
| 982 | /** |
||
| 983 | * Ensure coupon is valid for products in the cart is valid or throw exception. |
||
| 984 | * |
||
| 985 | * @throws Exception |
||
| 986 | */ |
||
| 987 | View Code Duplication | private function validate_product_ids() { |
|
| 1002 | |||
| 1003 | /** |
||
| 1004 | * Ensure coupon is valid for product categories in the cart is valid or throw exception. |
||
| 1005 | * |
||
| 1006 | * @throws Exception |
||
| 1007 | */ |
||
| 1008 | View Code Duplication | private function validate_product_categories() { |
|
| 1026 | |||
| 1027 | /** |
||
| 1028 | * Ensure coupon is valid for sale items in the cart is valid or throw exception. |
||
| 1029 | * |
||
| 1030 | * @throws Exception |
||
| 1031 | */ |
||
| 1032 | View Code Duplication | private function validate_sale_items() { |
|
| 1053 | |||
| 1054 | /** |
||
| 1055 | * All exclusion rules must pass at the same time for a product coupon to be valid. |
||
| 1056 | */ |
||
| 1057 | private function validate_excluded_items() { |
||
| 1073 | |||
| 1074 | /** |
||
| 1075 | * Cart discounts cannot be added if non-eligble product is found in cart. |
||
| 1076 | */ |
||
| 1077 | private function validate_cart_excluded_items() { |
||
| 1084 | |||
| 1085 | /** |
||
| 1086 | * Exclude products from cart. |
||
| 1087 | * |
||
| 1088 | * @throws Exception |
||
| 1089 | */ |
||
| 1090 | View Code Duplication | private function validate_cart_excluded_product_ids() { |
|
| 1106 | |||
| 1107 | /** |
||
| 1108 | * Exclude categories from cart. |
||
| 1109 | * |
||
| 1110 | * @throws Exception |
||
| 1111 | */ |
||
| 1112 | View Code Duplication | private function validate_cart_excluded_product_categories() { |
|
| 1128 | |||
| 1129 | /** |
||
| 1130 | * Exclude sale items from cart. |
||
| 1131 | * |
||
| 1132 | * @throws Exception |
||
| 1133 | */ |
||
| 1134 | View Code Duplication | private function validate_cart_excluded_sale_items() { |
|
| 1154 | |||
| 1155 | /** |
||
| 1156 | * Check if a coupon is valid. |
||
| 1157 | * |
||
| 1158 | * @return boolean validity |
||
| 1159 | * @throws Exception |
||
| 1160 | */ |
||
| 1161 | public function is_valid() { |
||
| 1185 | |||
| 1186 | /** |
||
| 1187 | * Check if a coupon is valid. |
||
| 1188 | * |
||
| 1189 | * @return bool |
||
| 1190 | */ |
||
| 1191 | public function is_valid_for_cart() { |
||
| 1194 | |||
| 1195 | /** |
||
| 1196 | * Check if a coupon is valid for a product. |
||
| 1197 | * |
||
| 1198 | * @param WC_Product $product |
||
| 1199 | * @return boolean |
||
| 1200 | */ |
||
| 1201 | public function is_valid_for_product( $product, $values = array() ) { |
||
| 1250 | |||
| 1251 | /** |
||
| 1252 | * Converts one of the WC_Coupon message/error codes to a message string and. |
||
| 1253 | * displays the message/error. |
||
| 1254 | * |
||
| 1255 | * @param int $msg_code Message/error code. |
||
| 1256 | */ |
||
| 1257 | public function add_coupon_message( $msg_code ) { |
||
| 1270 | |||
| 1271 | /** |
||
| 1272 | * Map one of the WC_Coupon message codes to a message string. |
||
| 1273 | * |
||
| 1274 | * @param integer $msg_code |
||
| 1275 | * @return string| Message/error string |
||
| 1276 | */ |
||
| 1277 | View Code Duplication | public function get_coupon_message( $msg_code ) { |
|
| 1291 | |||
| 1292 | /** |
||
| 1293 | * Map one of the WC_Coupon error codes to a message string. |
||
| 1294 | * |
||
| 1295 | * @param int $err_code Message/error code. |
||
| 1296 | * @return string| Message/error string |
||
| 1297 | */ |
||
| 1298 | public function get_coupon_error( $err_code ) { |
||
| 1374 | |||
| 1375 | /** |
||
| 1376 | * Map one of the WC_Coupon error codes to an error string. |
||
| 1377 | * No coupon instance will be available where a coupon does not exist, |
||
| 1378 | * so this static method exists. |
||
| 1379 | * |
||
| 1380 | * @param int $err_code Error code |
||
| 1381 | * @return string| Error string |
||
| 1382 | */ |
||
| 1383 | View Code Duplication | public static function get_generic_coupon_error( $err_code ) { |
|
| 1398 | } |
||
| 1399 |
It seems like the type of the argument is not accepted by the function/method which you are calling.
In some cases, in particular if PHP’s automatic type-juggling kicks in this might be fine. In other cases, however this might be a bug.
We suggest to add an explicit type cast like in the following example: