Complex classes like AbstractOffer 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 AbstractOffer, and based on these observations, apply Extract Interface, too.
| 1 | <?php |
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| 19 | abstract class AbstractOffer implements OfferInterface |
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| 20 | { |
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| 21 | /** |
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| 22 | * @var string |
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| 23 | */ |
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| 24 | private $id; |
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| 25 | |||
| 26 | /** |
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| 27 | * @var bool |
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| 28 | */ |
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| 29 | private $available; |
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| 30 | |||
| 31 | /** |
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| 32 | * @var string |
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| 33 | */ |
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| 34 | private $url; |
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| 35 | |||
| 36 | /** |
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| 37 | * @var float |
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| 38 | */ |
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| 39 | private $price; |
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| 40 | |||
| 41 | /** |
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| 42 | * @var float |
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| 43 | */ |
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| 44 | private $oldPrice; |
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| 45 | |||
| 46 | /** |
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| 47 | * @var float |
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| 48 | */ |
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| 49 | private $purchasePrice; |
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| 50 | |||
| 51 | /** |
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| 52 | * @var string |
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| 53 | */ |
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| 54 | private $currencyId; |
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| 55 | |||
| 56 | /** |
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| 57 | * @var int |
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| 58 | */ |
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| 59 | private $categoryId; |
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| 60 | |||
| 61 | /** |
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| 62 | * @var array |
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| 63 | */ |
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| 64 | private $categoriesId = []; |
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| 65 | |||
| 66 | /** |
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| 67 | * @var string |
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| 68 | */ |
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| 69 | private $name; |
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| 70 | |||
| 71 | /** |
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| 72 | * @var string |
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| 73 | */ |
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| 74 | private $marketCategory; |
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| 75 | |||
| 76 | /** |
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| 77 | * @var bool |
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| 78 | */ |
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| 79 | private $adult; |
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| 80 | |||
| 81 | /** |
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| 82 | * @var string |
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| 83 | */ |
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| 84 | private $salesNotes; |
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| 85 | |||
| 86 | /** |
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| 87 | * @var bool |
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| 88 | */ |
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| 89 | private $manufacturerWarranty; |
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| 90 | |||
| 91 | /** |
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| 92 | * @var bool |
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| 93 | */ |
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| 94 | private $pickup; |
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| 95 | |||
| 96 | /** |
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| 97 | * @var bool |
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| 98 | */ |
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| 99 | private $downloadable; |
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| 100 | |||
| 101 | /** |
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| 102 | * @var bool |
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| 103 | */ |
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| 104 | private $delivery; |
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| 105 | |||
| 106 | /** |
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| 107 | * @var float |
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| 108 | */ |
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| 109 | private $localDeliveryCost; |
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| 110 | |||
| 111 | /** |
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| 112 | * @var array |
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| 113 | */ |
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| 114 | private $deliveryOptions = []; |
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| 115 | |||
| 116 | /** |
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| 117 | * @var string |
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| 118 | */ |
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| 119 | private $description; |
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| 120 | |||
| 121 | /** |
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| 122 | * @var string |
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| 123 | */ |
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| 124 | private $countryOfOrigin; |
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| 125 | |||
| 126 | /** |
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| 127 | * @var string |
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| 128 | */ |
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| 129 | private $weight; |
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| 130 | |||
| 131 | /** |
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| 132 | * @var int |
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| 133 | */ |
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| 134 | private $cpa; |
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| 135 | |||
| 136 | /** |
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| 137 | * @var string[] |
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| 138 | */ |
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| 139 | private $barcodes; |
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| 140 | |||
| 141 | /** |
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| 142 | * @var array |
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| 143 | */ |
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| 144 | private $pictures = []; |
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| 145 | |||
| 146 | /** |
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| 147 | * @var array |
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| 148 | */ |
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| 149 | private $params = []; |
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| 150 | |||
| 151 | /** |
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| 152 | * @var bool |
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| 153 | */ |
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| 154 | private $store; |
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| 155 | |||
| 156 | /** |
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| 157 | * @var bool |
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| 158 | */ |
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| 159 | private $autoDiscount; |
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| 160 | |||
| 161 | /** |
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| 162 | * Array of custom elements (element types are keys) of arrays of element values |
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| 163 | * There may be multiple elements of the same type |
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| 164 | * |
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| 165 | * @var array[] |
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| 166 | */ |
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| 167 | private $customElements; |
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| 168 | |||
| 169 | /** |
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| 170 | * @var OfferCondition |
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| 171 | */ |
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| 172 | private $condition; |
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| 173 | |||
| 174 | /** |
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| 175 | * @return array |
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| 176 | */ |
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| 177 | public function toArray() |
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| 181 | |||
| 182 | /** |
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| 183 | * @return string |
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| 184 | */ |
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| 185 | public function getId() |
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| 189 | |||
| 190 | /** |
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| 191 | * @param string $id |
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| 192 | * |
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| 193 | * @return $this |
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| 194 | */ |
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| 195 | public function setId($id) |
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| 201 | |||
| 202 | /** |
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| 203 | * @return bool |
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| 204 | */ |
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| 205 | public function isAvailable() |
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| 209 | |||
| 210 | /** |
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| 211 | * @param bool $available |
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| 212 | * |
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| 213 | * @return $this |
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| 214 | */ |
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| 215 | public function setAvailable($available) |
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| 221 | |||
| 222 | /** |
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| 223 | * @return string |
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| 224 | */ |
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| 225 | public function getUrl() |
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| 229 | |||
| 230 | /** |
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| 231 | * @param string $url |
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| 232 | * |
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| 233 | * @return $this |
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| 234 | */ |
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| 235 | public function setUrl($url) |
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| 241 | |||
| 242 | /** |
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| 243 | * @return float |
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| 244 | */ |
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| 245 | public function getPrice() |
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| 249 | |||
| 250 | /** |
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| 251 | * @param float $price |
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| 252 | * |
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| 253 | * @return $this |
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| 254 | */ |
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| 255 | public function setPrice($price) |
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| 261 | |||
| 262 | /** |
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| 263 | * @return float |
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| 264 | */ |
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| 265 | public function getOldPrice() |
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| 269 | |||
| 270 | /** |
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| 271 | * @param float $oldPrice |
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| 272 | * |
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| 273 | * @return $this |
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| 274 | */ |
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| 275 | public function setOldPrice($oldPrice) |
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| 281 | |||
| 282 | /** |
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| 283 | * @return float |
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| 284 | */ |
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| 285 | public function getPurchasePrice() |
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| 289 | |||
| 290 | /** |
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| 291 | * @param float $purchasePrice |
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| 292 | * |
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| 293 | * @return $this |
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| 294 | */ |
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| 295 | public function setPurchasePrice($purchasePrice) |
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| 301 | |||
| 302 | /** |
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| 303 | * @return string |
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| 304 | */ |
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| 305 | public function getCurrencyId() |
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| 309 | |||
| 310 | /** |
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| 311 | * @param string $currencyId |
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| 312 | * |
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| 313 | * @return $this |
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| 314 | */ |
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| 315 | public function setCurrencyId($currencyId) |
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| 321 | |||
| 322 | /** |
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| 323 | * @return int |
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| 324 | */ |
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| 325 | public function getCategoryId() |
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| 329 | |||
| 330 | /** |
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| 331 | * @param int $categoryId |
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| 332 | * |
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| 333 | * @return $this |
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| 334 | */ |
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| 335 | public function setCategoryId($categoryId) |
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| 341 | |||
| 342 | /** |
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| 343 | * @return array |
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| 344 | */ |
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| 345 | public function getCategoriesId() |
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| 349 | |||
| 350 | /** |
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| 351 | * @param array $categoriesId |
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| 352 | * |
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| 353 | * @return $this |
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| 354 | */ |
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| 355 | public function setCategoriesId(array $categoriesId) |
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| 361 | |||
| 362 | /** |
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| 363 | * @return string |
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| 364 | */ |
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| 365 | public function getName() |
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| 369 | |||
| 370 | /** |
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| 371 | * @param string $name |
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| 372 | * |
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| 373 | * @return $this |
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| 374 | */ |
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| 375 | public function setName($name) |
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| 381 | |||
| 382 | /** |
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| 383 | * @return string |
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| 384 | */ |
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| 385 | public function getMarketCategory() |
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| 389 | |||
| 390 | /** |
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| 391 | * @param string $marketCategory |
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| 392 | * |
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| 393 | * @return $this |
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| 394 | */ |
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| 395 | public function setMarketCategory($marketCategory) |
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| 401 | |||
| 402 | /** |
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| 403 | * @return bool |
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| 404 | */ |
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| 405 | public function isAdult() |
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| 409 | |||
| 410 | /** |
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| 411 | * @param bool $adult |
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| 412 | * |
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| 413 | * @return $this |
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| 414 | */ |
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| 415 | public function setAdult($adult) |
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| 421 | |||
| 422 | /** |
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| 423 | * @return string |
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| 424 | */ |
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| 425 | public function getSalesNotes() |
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| 429 | |||
| 430 | /** |
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| 431 | * @param string $salesNotes |
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| 432 | * |
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| 433 | * @return $this |
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| 434 | */ |
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| 435 | public function setSalesNotes($salesNotes) |
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| 441 | |||
| 442 | /** |
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| 443 | * @return bool |
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| 444 | */ |
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| 445 | public function isManufacturerWarranty() |
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| 449 | |||
| 450 | /** |
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| 451 | * @param bool $manufacturerWarranty |
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| 452 | * |
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| 453 | * @return $this |
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| 454 | */ |
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| 455 | public function setManufacturerWarranty($manufacturerWarranty) |
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| 461 | |||
| 462 | /** |
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| 463 | * @return bool |
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| 464 | */ |
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| 465 | public function isPickup() |
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| 469 | |||
| 470 | /** |
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| 471 | * @param bool $pickup |
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| 472 | * |
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| 473 | * @return $this |
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| 474 | */ |
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| 475 | public function setPickup($pickup) |
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| 481 | |||
| 482 | /** |
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| 483 | * @return bool |
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| 484 | */ |
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| 485 | public function isDownloadable() |
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| 489 | |||
| 490 | /** |
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| 491 | * @param bool $downloadable |
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| 492 | * |
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| 493 | * @return $this |
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| 494 | */ |
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| 495 | public function setDownloadable($downloadable) |
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| 501 | |||
| 502 | /** |
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| 503 | * @return bool |
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| 504 | */ |
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| 505 | public function isDelivery() |
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| 509 | |||
| 510 | /** |
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| 511 | * @param bool $delivery |
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| 512 | * |
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| 513 | * @return $this |
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| 514 | */ |
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| 515 | public function setDelivery($delivery) |
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| 521 | |||
| 522 | /** |
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| 523 | * @return array |
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| 524 | */ |
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| 525 | public function getDeliveryOptions() |
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| 529 | |||
| 530 | /** |
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| 531 | * @param Delivery $option |
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| 532 | * |
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| 533 | * @return $this |
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| 534 | */ |
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| 535 | public function addDeliveryOption(Delivery $option) |
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| 541 | |||
| 542 | /** |
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| 543 | * @param bool $store |
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| 544 | * |
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| 545 | * @return $this |
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| 546 | */ |
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| 547 | public function setStore($store) |
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| 553 | |||
| 554 | /** |
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| 555 | * @return bool |
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| 556 | */ |
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| 557 | public function isStore() |
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| 561 | |||
| 562 | /** |
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| 563 | * @return float |
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| 564 | */ |
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| 565 | public function getLocalDeliveryCost() |
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| 569 | |||
| 570 | /** |
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| 571 | * @param float $localDeliveryCost |
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| 572 | * |
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| 573 | * @return $this |
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| 574 | */ |
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| 575 | public function setLocalDeliveryCost($localDeliveryCost) |
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| 581 | |||
| 582 | /** |
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| 583 | * @return string |
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| 584 | */ |
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| 585 | public function getDescription() |
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| 589 | |||
| 590 | /** |
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| 591 | * @param string $description |
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| 592 | * |
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| 593 | * @return $this |
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| 594 | */ |
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| 595 | public function setDescription($description) |
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| 601 | |||
| 602 | /** |
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| 603 | * @return string |
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| 604 | */ |
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| 605 | public function getCountryOfOrigin() |
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| 609 | |||
| 610 | /** |
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| 611 | * @param string $countryOfOrigin |
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| 612 | * |
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| 613 | * @return $this |
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| 614 | */ |
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| 615 | public function setCountryOfOrigin($countryOfOrigin) |
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| 621 | |||
| 622 | /** |
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| 623 | * @return string |
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| 624 | */ |
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| 625 | public function getWeight() |
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| 629 | |||
| 630 | /** |
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| 631 | * @param string $weight |
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| 632 | * |
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| 633 | * @return $this |
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| 634 | */ |
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| 635 | public function setWeight($weight) |
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| 641 | |||
| 642 | /** |
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| 643 | * @return int |
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| 644 | */ |
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| 645 | public function getCpa() |
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| 649 | |||
| 650 | /** |
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| 651 | * @param int $cpa |
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| 652 | * |
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| 653 | * @return $this |
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| 654 | */ |
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| 655 | public function setCpa($cpa) |
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| 661 | |||
| 662 | /** |
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| 663 | * @return array |
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| 664 | */ |
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| 665 | public function getParams() |
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| 669 | |||
| 670 | /** |
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| 671 | * @param OfferParam $param |
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| 672 | * |
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| 673 | * @return $this |
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| 674 | */ |
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| 675 | public function addParam(OfferParam $param) |
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| 681 | |||
| 682 | /** |
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| 683 | * Add picture |
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| 684 | * |
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| 685 | * @param string $url |
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| 686 | * |
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| 687 | * @return $this |
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| 688 | */ |
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| 689 | public function addPicture($url) |
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| 697 | |||
| 698 | /** |
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| 699 | * Set pictures |
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| 700 | * |
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| 701 | * @param array $pictures |
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| 702 | * |
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| 703 | * @return $this |
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| 704 | */ |
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| 705 | public function setPictures(array $pictures) |
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| 711 | |||
| 712 | /** |
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| 713 | * Get picture list |
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| 714 | * |
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| 715 | * @return array |
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| 716 | */ |
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| 717 | public function getPictures() |
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| 721 | |||
| 722 | /** |
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| 723 | * Get list of barcodes of the offer |
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| 724 | * |
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| 725 | * @return string[] |
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| 726 | */ |
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| 727 | public function getBarcodes() |
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| 731 | |||
| 732 | /** |
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| 733 | * Set list of barcodes for that offer |
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| 734 | * |
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| 735 | * @param string[] $barcodes |
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| 736 | * |
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| 737 | * @return $this |
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| 738 | */ |
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| 739 | public function setBarcodes(array $barcodes = []) |
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| 745 | |||
| 746 | /** |
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| 747 | * Add one barcode to the collection of barcodes of this offer |
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| 748 | * |
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| 749 | * @param string $barcode |
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| 750 | * |
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| 751 | * @return $this |
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| 752 | */ |
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| 753 | public function addBarcode($barcode) |
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| 759 | |||
| 760 | /** |
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| 761 | * Sets list of custom elements |
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| 762 | * |
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| 763 | * @param array $customElements Array (keys are element types) of arrays (element values) |
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| 764 | * |
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| 765 | * @return $this |
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| 766 | */ |
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| 767 | public function setCustomElements(array $customElements = []) |
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| 773 | |||
| 774 | /** |
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| 775 | * Add a custom element with given type and value |
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| 776 | * Multiple elements of the same type are supported |
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| 777 | * |
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| 778 | * @param string $elementType |
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| 779 | * @param mixed $value |
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| 780 | * |
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| 781 | * @return $this |
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| 782 | */ |
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| 783 | public function addCustomElement($elementType, $value) |
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| 792 | |||
| 793 | /** |
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| 794 | * Returns a list of custom elements |
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| 795 | * Always returns an array even if no custom elements were added |
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| 796 | * |
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| 797 | * @return array |
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| 798 | */ |
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| 799 | public function getCustomElements() |
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| 803 | |||
| 804 | /** |
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| 805 | * Returns a list of values for the specified custom element type |
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| 806 | * Always returns an array |
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| 807 | * |
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| 808 | * @param string $elementType |
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| 809 | * |
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| 810 | * @return array |
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| 811 | */ |
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| 812 | public function getCustomElementByType($elementType) |
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| 821 | |||
| 822 | /** |
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| 823 | * @return OfferCondition |
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| 824 | */ |
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| 825 | public function getCondition() |
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| 829 | |||
| 830 | /** |
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| 831 | * @param OfferCondition $condition |
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| 832 | * |
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| 833 | * @return $this |
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| 834 | */ |
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| 835 | public function addCondition(OfferCondition $condition) |
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| 841 | |||
| 842 | /** |
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| 843 | * @return bool |
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| 844 | */ |
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| 845 | public function getAutoDiscount() |
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| 849 | |||
| 850 | /** |
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| 851 | * @param bool $autoDiscount |
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| 852 | * |
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| 853 | * @return $this |
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| 854 | */ |
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| 855 | public function setAutoDiscount($autoDiscount) |
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| 861 | |||
| 862 | /** |
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| 863 | * @return array |
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| 864 | */ |
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| 865 | abstract protected function getOptions(); |
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| 866 | |||
| 867 | /** |
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| 868 | * @return array |
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| 869 | */ |
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| 870 | private function getHeaderOptions() |
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| 893 | |||
| 894 | /** |
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| 895 | * @return array |
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| 896 | */ |
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| 897 | private function getFooterOptions() |
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| 910 | } |
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| 911 |