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<?php namespace Packback\Prices\Clients; |
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use Packback\Prices\PriceClient; |
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use ApaiIO\Configuration\GenericConfiguration; |
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use ApaiIO\Operations\Search; |
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use ApaiIO\ApaiIO; |
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class AmazonPriceClient extends PriceClient |
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{ |
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const RETAILER = 'amazon'; |
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public $conf; |
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public $container; |
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public $search; |
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public function __construct($config = []) |
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{ |
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$this->conf = new GenericConfiguration(); |
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$this->setConfiguration($config); |
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$this->container = new ApaiIO($this->conf); |
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$this->search = new Search(); |
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} |
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public function setConfiguration($config = []) |
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{ |
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$this->conf |
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->setCountry('com') |
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->setAccessKey($config['access_key']) |
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->setSecretKey($config['secret_key']) |
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->setAssociateTag($config['associate_tag']); |
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$this->conf->setResponseTransformer('\ApaiIO\ResponseTransformer\XmlToSimpleXmlObject'); |
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} |
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public function getPricesForIsbns($isbns = []) |
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{ |
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$isbn_groups = []; |
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if (count($isbns) > 10) { |
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$isbn_groups = array_chunk($isbns, 10); |
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} else { |
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array_push($isbn_groups, $isbns); |
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} |
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foreach ($isbn_groups as $isbn_group) { |
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$response = $this->addParam('Condition', 'New') |
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->addParam('IdType', 'ISBN') |
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->addParam('ItemId', $isbn_group) |
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->addParam('Condition', 'All') |
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->addParam('SearchIndex', 'Books') |
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->addParam('Operation', 'ItemLookup') |
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->addParam('Version', '2011-08-01') |
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->addParam('ResponseGroup', ['Large']) |
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->addParam('Service', 'AWSECommerceService'); |
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// Get response for Marketplace books |
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$response = $this->send(); |
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// If there is an error with the API key, throw an exception |
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if (isset($response->Error)) { |
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throw new \Exception($response->Error->Code.': '.$response->Error->Message); |
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} |
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$this->addPricesToCollection($response); |
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// Get response for only Amazon books |
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$response = $this->addParam('MerchantId', 'Amazon')->send(); |
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$this->addPricesToCollection($response); |
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} |
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return $this->collection; |
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} |
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public function addPricesToCollection($response) |
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{ |
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if (isset($response->Items->Request->IsValid) && $response->Items->Request->IsValid) { |
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if (isset($response->Items->Item)) { |
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$items = $response->Items->Item; |
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foreach ($items as $key => $item) { |
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// Create price objects for each offer |
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if (isset($item->Offers->Offer)) { |
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if (is_array($item->Offers->Offer)) { |
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foreach ($item->Offers->Offer as $offer) { |
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$this->collection[] = $this->populatePriceData($offer, $item, self::RETAILER); |
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} |
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} else { |
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$this->collection[] = $this->populatePriceData($item->Offers->Offer, $item, self::RETAILER); |
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} |
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} |
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} |
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} |
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} |
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return $this->collection; |
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} |
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public function populatePriceData($offer, $item, $merchant_id) |
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{ |
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// New price model object |
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$price = $this->createNewPrice(); |
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// Set retailer |
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$price->retailer = $merchant_id; |
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// Populate ISBN 13 |
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if (isset($item->ItemAttributes->EAN)) { |
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$price->isbn13 = $item->ItemAttributes->EAN; |
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} elseif (isset($item->ItemAttributes->EISBN)) { |
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$price->isbn13 = $item->ItemAttributes->EISBN; |
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} |
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// Populate URL |
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if (isset($item->DetailPageURL)) { |
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$price->url = $item->DetailPageURL; |
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} |
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// Populate condition |
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$price->condition = parent::getConditionFromString($offer->OfferAttributes->Condition); |
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// Populate term |
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$price->term = parent::TERM_PERPETUAL; |
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// Populate Price |
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$price->price = ((float)$offer->OfferListing->Price->Amount)/100; |
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return $price; |
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} |
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public function addParam($key, $value) |
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{ |
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$this->search->{'set'.$key}($value); |
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return $this; |
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} |
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public function send() |
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{ |
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$response = $this->container->runOperation($this->search); |
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return json_decode(json_encode($response)); |
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} |
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} |
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packbackbooks /
textbook-prices
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This check looks for variable assignements that are either overwritten by other assignments or where the variable is not used subsequently.
Both the
$myVarassignment in line 1 and the$higherassignment in line 2 are dead. The first because$myVaris never used and the second because$higheris always overwritten for every possible time line.