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<?php
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namespace Radowoj\Yaah\Decorators;
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use Radowoj\Yaah\Exception;
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use Radowoj\Yaah\AuctionInterface;
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use Radowoj\Yaah\Constants\AuctionFids;
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/**
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* Each category supported by your application should be represented by its own Decorator class,
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* as even two similar Allegro categories can have same field under different FIDs,
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* for example in Magic: The Gathering cards:
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* - category id 6089 (artifacts) has condition (new/used) under fid 26013
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* - category id 6090 (white) has condition under fid 20624
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*/
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abstract class AuctionArrayMapDecorator implements AuctionInterface
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{
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protected $auction = null;
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/**
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* This function should return array of mappings (human readable key => Allegro WebAPI FID)
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* @return array
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*/
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abstract protected function getMap();
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/**
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* This function should return id of Allegro category related to concrete decorator class
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* @return integer
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*/
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abstract protected function getIdCategory();
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public function __construct(AuctionInterface $auction)
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{
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$this->auction = $auction;
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}
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/**
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* Makes sure that if a concrete class represents specific category, category id passed in fields array is correct:
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* - set it as default, if none was provided
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* - throw an exception, if some other category id was provided in $fields
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* @param array $fields (reference) fields array to check
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*/
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protected function forceCategory(array& $fields)
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{
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//no category defined in concrete class - do nothing;
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if (!$this->getIdCategory()) {
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return;
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}
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//no category is given - default to set constant
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if (!array_key_exists(AuctionFids::FID_CATEGORY, $fields)) {
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$fields[AuctionFids::FID_CATEGORY] = $this->getIdCategory();
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}
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//wrong category is given
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if ($fields[AuctionFids::FID_CATEGORY] !== $this->getIdCategory()) {
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throw new Exception("Invalid category. {$this->getIdCategory()} expected, {$fields[AuctionFids::FID_CATEGORY]} given.");
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}
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}
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/**
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* Remap field keys using given map
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* @param array $array to remap
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* @param array $map to remap with
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* @return array remapped array
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*/
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protected function remap(array $array, array $map)
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{
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$result = [];
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foreach($array as $key => $value) {
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if (array_key_exists($key, $map)) {
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$result[$map[$key]] = $value;
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}
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}
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return $result;
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}
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/**
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* @see Radowoj\Yaah\Auction::fromArray()
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* @param array $humanReadableArray with human readable keys
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*/
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public function fromArray(array $humanReadableArray)
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{
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$map = $this->getMap();
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$fields = $this->remap($humanReadableArray, $map);
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$this->forceCategory($fields);
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$this->auction->fromArray($fields);
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}
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/**
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* @see Radowoj\Yaah\Auction::toArray()
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* @return array with human readable keys
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*/
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public function toArray()
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{
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$map = $this->getMap();
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$fields = $this->auction->toArray();
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$this->forceCategory($fields);
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$flippedMap = array_flip($map);
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return $this->remap($fields, $flippedMap);
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}
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/**
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* @see Radowoj\Yaah\Auction::toApiRepresentation()
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*/
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public function toApiRepresentation()
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{
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return $this->auction->toApiRepresentation();
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}
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/**
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* @see Radowoj\Yaah\Auction::fromApiRepresentation()
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*/
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public function fromApiRepresentation(array $fields)
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{
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$this->auction->fromApiRepresentation($fields);
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}
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/**
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* @see Radowoj\Yaah\Auction::setPhotos()
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*/
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public function setPhotos(array $photos)
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{
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$this->auction->setPhotos($photos);
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}
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}
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radowoj /
yaah
