Complex classes like PaymentRequest 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 PaymentRequest, and based on these observations, apply Extract Interface, too.
| 1 | <?php |
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| 12 | class PaymentRequest extends Payload implements PaymentRequestInterface |
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| 13 | { |
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| 14 | const ACCOUNT_OFFER_REQUIRED = 'required'; |
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| 15 | const ACCOUNT_OFFER_DISABLED = 'disabled'; |
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| 16 | |||
| 17 | const PAYMENT_SOURCE_ECOMMERCE = 'eCommerce'; |
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| 18 | const PAYMENT_SOURCE_MOBI = 'mobi'; |
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| 19 | const PAYMENT_SOURCE_MOTO = 'moto'; |
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| 20 | const PAYMENT_SOURCE_MAIL_ORDER = 'mail_order'; |
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| 21 | const PAYMENT_SOURCE_TELEPHONE_ORDER = 'telephone_order'; |
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| 22 | |||
| 23 | const SHIPPING_METHOD_LOW_COST = 'LowCost'; |
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| 24 | const SHIPPING_METHOD_DESIGNATED_BY_CUSTOMER = 'DesignatedByCustomer'; |
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| 25 | const SHIPPING_METHOD_INTERNATIONAL = 'International'; |
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| 26 | const SHIPPING_METHOD_MILITARY = 'Military'; |
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| 27 | const SHIPPING_METHOD_NEXT_DAY = 'NextDay'; |
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| 28 | const SHIPPING_METHOD_OTHER = 'Other'; |
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| 29 | const SHIPPING_METHOD_STORE_PICKUP = 'StorePickup'; |
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| 30 | const SHIPPING_METHOD_TWO_DAY_SERVICE = 'TwoDayService'; |
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| 31 | const SHIPPING_METHOD_THREE_DAY_SERVICE = 'ThreeDayService'; |
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| 32 | |||
| 33 | /** |
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| 34 | * @var string |
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| 35 | */ |
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| 36 | private $terminal; |
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| 37 | |||
| 38 | /** |
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| 39 | * @var string |
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| 40 | */ |
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| 41 | private $shopOrderId; |
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| 42 | |||
| 43 | /** |
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| 44 | * @var float |
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| 45 | */ |
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| 46 | private $amount; |
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| 47 | |||
| 48 | /** |
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| 49 | * Currency in ISO-4217 format |
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| 50 | * |
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| 51 | * @var string |
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| 52 | */ |
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| 53 | private $currency; |
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| 54 | |||
| 55 | /** |
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| 56 | * @var string |
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| 57 | */ |
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| 58 | private $language; |
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| 59 | |||
| 60 | /** |
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| 61 | * @var array |
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| 62 | */ |
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| 63 | private $transactionInfo; |
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| 64 | |||
| 65 | /** |
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| 66 | * @var string |
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| 67 | */ |
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| 68 | private $type; |
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| 69 | |||
| 70 | /** |
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| 71 | * @var string |
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| 72 | */ |
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| 73 | private $ccToken; |
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| 74 | |||
| 75 | /** |
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| 76 | * @var string |
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| 77 | */ |
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| 78 | private $saleReconciliationIdentifier; |
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| 79 | |||
| 80 | /** |
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| 81 | * @var string |
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| 82 | */ |
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| 83 | private $saleInvoiceNumber; |
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| 84 | |||
| 85 | /** |
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| 86 | * @var float |
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| 87 | */ |
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| 88 | private $salesTax; |
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| 89 | |||
| 90 | /** |
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| 91 | * @var array |
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| 92 | */ |
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| 93 | private $cookieParts; |
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| 94 | |||
| 95 | /** |
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| 96 | * @var string |
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| 97 | */ |
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| 98 | private $paymentSource; |
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| 99 | |||
| 100 | /** |
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| 101 | * @var string |
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| 102 | */ |
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| 103 | private $fraudService; |
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| 104 | |||
| 105 | /** |
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| 106 | * @var string |
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| 107 | */ |
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| 108 | private $shippingMethod; |
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| 109 | |||
| 110 | /** |
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| 111 | * @var string |
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| 112 | */ |
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| 113 | private $customerCreatedDate; |
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| 114 | |||
| 115 | /** |
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| 116 | * @var string |
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| 117 | */ |
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| 118 | private $organisationNumber; |
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| 119 | |||
| 120 | /** |
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| 121 | * @var string |
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| 122 | */ |
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| 123 | private $accountOffer; |
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| 124 | |||
| 125 | /** |
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| 126 | * @var OrderLineInterface[] |
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| 127 | */ |
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| 128 | private $orderLines; |
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| 129 | |||
| 130 | /** |
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| 131 | * @var CustomerInfoInterface |
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| 132 | */ |
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| 133 | private $customerInfo; |
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| 134 | |||
| 135 | /** |
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| 136 | * @var ConfigInterface |
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| 137 | */ |
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| 138 | private $config; |
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| 139 | |||
| 140 | 6 | public function __construct(string $terminal, string $shopOrderId, float $amount, string $currency) |
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| 149 | |||
| 150 | /** |
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| 151 | * @return array |
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| 152 | 6 | */ |
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| 153 | public function getPayload() : array |
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| 202 | |||
| 203 | /** |
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| 204 | 3 | * Takes an array of cookie parts and returns an urlencoded string ready to send |
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| 205 | * |
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| 206 | 3 | * @param array $cookieParts |
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| 207 | 3 | * @return string |
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| 208 | */ |
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| 209 | public static function parseCookieParts(array $cookieParts) { |
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| 218 | |||
| 219 | /** |
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| 220 | * @param OrderLineInterface $orderLine |
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| 221 | * @return PaymentRequest |
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| 222 | 6 | */ |
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| 223 | public function addOrderLine(OrderLineInterface $orderLine) : self |
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| 228 | |||
| 229 | /** |
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| 230 | * @param string $key |
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| 231 | 6 | * @return string |
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| 232 | */ |
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| 233 | 6 | public function getCookiePart(string $key) : string |
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| 237 | |||
| 238 | /** |
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| 239 | * @param string $key |
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| 240 | 6 | * @param string $value |
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| 241 | * @return PaymentRequest |
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| 242 | 6 | */ |
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| 243 | 6 | public function setCookiePart(string $key, string $value) : self |
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| 248 | |||
| 249 | 6 | /** |
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| 250 | * @return string |
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| 251 | 6 | */ |
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| 252 | public function getTerminal() : string |
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| 256 | |||
| 257 | /** |
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| 258 | 6 | * @param string $terminal |
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| 259 | * @return PaymentRequest |
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| 260 | 6 | */ |
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| 261 | 6 | public function setTerminal(string $terminal) : self |
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| 266 | |||
| 267 | 6 | /** |
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| 268 | * @return string |
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| 269 | 6 | */ |
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| 270 | public function getShopOrderId() : string |
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| 274 | |||
| 275 | /** |
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| 276 | 6 | * @param string $shopOrderId |
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| 277 | * @return PaymentRequest |
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| 278 | 6 | */ |
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| 279 | 6 | public function setShopOrderId(string $shopOrderId) : self |
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| 284 | |||
| 285 | 6 | /** |
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| 286 | * @return float |
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| 287 | 6 | */ |
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| 288 | public function getAmount() : float |
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| 292 | |||
| 293 | /** |
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| 294 | 3 | * @param float $amount |
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| 295 | * @return PaymentRequest |
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| 296 | 3 | */ |
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| 297 | 3 | public function setAmount(float $amount) : self |
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| 302 | |||
| 303 | 6 | /** |
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| 304 | * @return string |
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| 305 | 6 | */ |
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| 306 | public function getCurrency() : string |
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| 310 | |||
| 311 | /** |
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| 312 | 3 | * @param string $currency |
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| 313 | * @return PaymentRequest |
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| 314 | 3 | */ |
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| 315 | 3 | public function setCurrency(string $currency) : self |
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| 320 | |||
| 321 | 6 | /** |
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| 322 | * @return string |
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| 323 | 6 | */ |
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| 324 | public function getLanguage() : ?string |
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| 328 | |||
| 329 | /** |
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| 330 | 3 | * @param string $language |
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| 331 | * @return PaymentRequest |
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| 332 | 3 | */ |
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| 333 | 3 | public function setLanguage(string $language) : self |
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| 338 | |||
| 339 | 6 | /** |
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| 340 | * @return array |
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| 341 | 6 | */ |
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| 342 | public function getTransactionInfo() : ?array |
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| 346 | |||
| 347 | /** |
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| 348 | 3 | * @param array $transactionInfo |
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| 349 | * @return PaymentRequest |
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| 350 | 3 | */ |
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| 351 | 3 | public function setTransactionInfo(array $transactionInfo) : self |
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| 356 | |||
| 357 | 6 | /** |
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| 358 | * @return string |
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| 359 | 6 | */ |
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| 360 | public function getType() : ?string |
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| 364 | |||
| 365 | /** |
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| 366 | 3 | * @param string $type |
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| 367 | * @return PaymentRequest |
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| 368 | 3 | */ |
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| 369 | 3 | public function setType(string $type) : self |
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| 374 | |||
| 375 | 6 | /** |
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| 376 | * @return string |
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| 377 | 6 | */ |
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| 378 | public function getCcToken() : ?string |
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| 382 | |||
| 383 | /** |
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| 384 | 3 | * @param string $ccToken |
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| 385 | * @return PaymentRequest |
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| 386 | 3 | */ |
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| 387 | 3 | public function setCcToken(string $ccToken) : self |
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| 392 | |||
| 393 | 6 | /** |
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| 394 | * @return string |
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| 395 | 6 | */ |
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| 396 | public function getSaleReconciliationIdentifier() : ?string |
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| 400 | |||
| 401 | /** |
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| 402 | 3 | * @param string $saleReconciliationIdentifier |
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| 403 | * @return PaymentRequest |
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| 404 | 3 | */ |
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| 405 | 3 | public function setSaleReconciliationIdentifier(string $saleReconciliationIdentifier) : self |
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| 410 | |||
| 411 | 6 | /** |
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| 412 | * @return string |
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| 413 | 6 | */ |
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| 414 | public function getSaleInvoiceNumber() : ?string |
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| 418 | |||
| 419 | /** |
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| 420 | 3 | * @param string $saleInvoiceNumber |
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| 421 | * @return PaymentRequest |
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| 422 | 3 | */ |
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| 423 | 3 | public function setSaleInvoiceNumber(string $saleInvoiceNumber) : self |
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| 428 | |||
| 429 | 6 | /** |
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| 430 | * @return float |
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| 431 | 6 | */ |
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| 432 | public function getSalesTax() : ?float |
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| 436 | |||
| 437 | /** |
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| 438 | 3 | * @param float $salesTax |
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| 439 | * @return PaymentRequest |
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| 440 | 3 | */ |
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| 441 | 3 | public function setSalesTax(float $salesTax) : self |
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| 446 | |||
| 447 | 6 | /** |
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| 448 | * @return array |
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| 449 | 6 | */ |
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| 450 | public function getCookieParts(): array |
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| 454 | |||
| 455 | /** |
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| 456 | 3 | * @param array $cookieParts |
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| 457 | * @return PaymentRequest |
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| 458 | 3 | */ |
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| 459 | 3 | public function setCookieParts(array $cookieParts) : self |
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| 464 | |||
| 465 | 6 | /** |
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| 466 | * @return string |
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| 467 | 6 | */ |
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| 468 | public function getPaymentSource() : ?string |
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| 472 | |||
| 473 | /** |
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| 474 | 3 | * @param string $paymentSource |
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| 475 | * @return PaymentRequest |
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| 476 | 3 | */ |
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| 477 | 3 | public function setPaymentSource(string $paymentSource) : self |
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| 482 | |||
| 483 | 6 | /** |
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| 484 | * @return string |
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| 485 | 6 | */ |
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| 486 | public function getFraudService() : ?string |
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| 490 | |||
| 491 | /** |
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| 492 | 3 | * @param string $fraudService |
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| 493 | * @return PaymentRequest |
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| 494 | 3 | */ |
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| 495 | 3 | public function setFraudService(string $fraudService) : self |
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| 500 | |||
| 501 | 6 | /** |
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| 502 | * @return string |
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| 503 | 6 | */ |
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| 504 | public function getShippingMethod() : ?string |
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| 508 | |||
| 509 | /** |
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| 510 | 3 | * @param string $shippingMethod |
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| 511 | * @return PaymentRequest |
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| 512 | 3 | */ |
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| 513 | 3 | public function setShippingMethod(string $shippingMethod) : self |
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| 518 | |||
| 519 | 6 | /** |
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| 520 | * @return string |
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| 521 | 6 | */ |
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| 522 | public function getCustomerCreatedDate() : ?string |
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| 526 | |||
| 527 | /** |
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| 528 | 3 | * @param string $customerCreatedDate |
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| 529 | * @return PaymentRequest |
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| 530 | 3 | */ |
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| 531 | 3 | public function setCustomerCreatedDate(string $customerCreatedDate) : self |
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| 536 | |||
| 537 | 6 | /** |
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| 538 | * @return string |
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| 539 | 6 | */ |
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| 540 | public function getOrganisationNumber() : ?string |
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| 544 | |||
| 545 | /** |
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| 546 | * @param string $organisationNumber |
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| 547 | * @return PaymentRequest |
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| 548 | */ |
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| 549 | public function setOrganisationNumber(string $organisationNumber) : self |
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| 554 | |||
| 555 | 6 | /** |
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| 556 | * @return string |
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| 557 | 6 | */ |
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| 558 | 3 | public function getAccountOffer() : ?string |
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| 562 | |||
| 563 | /** |
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| 564 | * @param string $accountOffer |
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| 565 | * @return PaymentRequest |
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| 566 | */ |
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| 567 | 3 | public function setAccountOffer(string $accountOffer) : self |
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| 572 | |||
| 573 | /** |
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| 574 | * @return OrderLineInterface[] |
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| 575 | */ |
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| 576 | 6 | public function getOrderLines() : ?array |
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| 580 | 2 | ||
| 581 | 6 | /** |
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| 582 | * @param OrderLineInterface[] $orderLines |
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| 583 | * @return PaymentRequest |
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| 584 | */ |
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| 585 | public function setOrderLines(array $orderLines) : self |
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| 590 | 3 | ||
| 591 | 3 | /** |
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| 592 | * @return CustomerInfoInterface |
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| 593 | */ |
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| 594 | public function getCustomerInfo() : CustomerInfoInterface |
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| 601 | |||
| 602 | /** |
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| 603 | * @param CustomerInfoInterface $customerInfo |
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| 604 | * @return PaymentRequest |
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| 605 | */ |
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| 606 | public function setCustomerInfo(CustomerInfoInterface $customerInfo) : self |
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| 611 | |||
| 612 | /** |
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| 613 | * @return ConfigInterface |
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| 614 | */ |
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| 615 | public function getConfig() : ConfigInterface |
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| 622 | |||
| 623 | /** |
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| 624 | * @param ConfigInterface $config |
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| 625 | * @return PaymentRequest |
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| 626 | */ |
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| 627 | public function setConfig(ConfigInterface $config) : self |
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| 632 | } |
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| 633 |