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<?php |
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/* |
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* This file is part of the Exchange Rate package, an RunOpenCode project. |
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* |
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* Implementation of exchange rate crawler for Banca Intesa Serbia, http://www.bancaintesa.rs. |
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* |
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* (c) 2016 RunOpenCode |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace RunOpenCode\ExchangeRate\BancaIntesaSerbia\Parser; |
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use RunOpenCode\ExchangeRate\Contract\RateInterface; |
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use RunOpenCode\ExchangeRate\Model\Rate; |
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use RunOpenCode\ExchangeRate\BancaIntesaSerbia\Api; |
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use Symfony\Component\DomCrawler\Crawler; |
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/** |
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* Class HtmlParser |
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* |
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* Parse HTML document with daily rates from Banca Intesa Serbia. |
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* |
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* @package RunOpenCode\ExchangeRate\BancaIntesaSerbia\Parser |
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*/ |
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class HtmlParser |
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{ |
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/** |
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* @var RateInterface[] |
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*/ |
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private $rates; |
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/** |
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* @var \DateTime |
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*/ |
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private $date; |
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/** |
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* @var string |
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*/ |
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private $html; |
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/** |
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* HtmlParser constructor. |
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* @param $node string |
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* @param $date \DateTime |
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*/ |
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public function __construct($node, \DateTime $date) |
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{ |
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$this->html = $node; |
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$this->date = $date; |
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} |
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/** |
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* @return array|\RunOpenCode\ExchangeRate\Contract\RateInterface[] |
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*/ |
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public function getRates() |
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{ |
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if (empty($this->rates)) { |
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$this->rates = $this->parseHtml($this->html, $this->date); |
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} |
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return $this->rates; |
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} |
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/** |
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* @param $html string |
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* @param \DateTime $date |
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* @return array |
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*/ |
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private function parseHtml($html, \DateTime $date) |
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{ |
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$crawler = new Crawler($html); |
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$crawler = $crawler->filter('table'); |
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return $this->extractRates($crawler, $date); |
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} |
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/** |
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* @param Crawler $crawler |
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* @param \DateTime $date |
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* @return array |
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*/ |
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private function extractRates(Crawler $crawler, \DateTime $date) |
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{ |
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$rates = array(); |
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$crawler->filter('tr')->each(function (Crawler $node) use ($date, &$rates) { |
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$row = $this->parseRow($node); |
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if (null !== $row) { |
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$rates[] = $this->buildRate( |
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$row['default'] / $row['unit'], |
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$row['currencyCode'], |
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'default', |
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$date |
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); |
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$rates[] = $this->buildRate( |
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$row['foreign_exchange_buying'] / $row['unit'], |
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$row['currencyCode'], |
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'foreign_exchange_buying', |
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$date |
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); |
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$rates[] = $this->buildRate( |
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$row['foreign_exchange_selling'] / $row['unit'], |
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$row['currencyCode'], |
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'foreign_exchange_selling', |
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$this->date |
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); |
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$rates[] = $this->buildRate( |
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$row['foreign_cash_buying'] / $row['unit'], |
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$row['currencyCode'], |
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'foreign_cash_buying', |
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$this->date |
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); |
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$rates[] = $this->buildRate( |
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$row['foreign_cash_selling'] / $row['unit'], |
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$row['currencyCode'], |
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'foreign_cash_selling', |
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$this->date |
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); |
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} |
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}); |
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/** |
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* @var Rate $rate |
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*/ |
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foreach ($rates as $key => $rate){ |
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if (!$rate->getValue()) { |
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unset($rates[$key]); |
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} |
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} |
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return $rates; |
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} |
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/** |
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* @param Crawler $crawler |
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* @return array|null |
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*/ |
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private function parseRow(Crawler $crawler) |
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{ |
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$currentRow = array( |
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'currencyCode' => '' |
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); |
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$nodeValues = $crawler->filter('td')->each(function (Crawler $node, $i) { |
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return trim($node->text()); |
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}); |
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if (count($nodeValues)) { |
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$currentRow['currencyCode'] = $nodeValues[1]; |
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$currentRow['unit'] = (int) $nodeValues[2]; |
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$currentRow['foreign_exchange_buying'] = (float) $nodeValues[3]; |
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$currentRow['default'] = (float) $nodeValues[4]; |
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$currentRow['foreign_exchange_selling'] = (float) $nodeValues[5]; |
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$currentRow['foreign_cash_buying'] = (float) $nodeValues[6]; |
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$currentRow['foreign_cash_selling'] = (float) $nodeValues[7]; |
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} |
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return strlen($currentRow['currencyCode']) === 3 ? $currentRow : null; |
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} |
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/** |
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* @param $value |
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* @param $currencyCode |
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* @param $rateType |
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* @param $date |
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* @return Rate |
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*/ |
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private function buildRate($value, $currencyCode, $rateType, $date) { |
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return new Rate( |
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Api::NAME, |
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$value, |
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$currencyCode, |
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$rateType, |
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$date, |
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'RSD', |
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new \DateTime('now'), |
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new \DateTime('now') |
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); |
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} |
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} |
RunOpenCode /
exchange-rate-intesa-rs
This check looks from parameters that have been defined for a function or method, but which are not used in the method body.