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<?php namespace Cart; class Weight { private $weights = array(); public function __construct($registry) { $this->db = $registry->get('db'); $this->config = $registry->get('config'); $weight_class_query = $this->db->query("SELECT * FROM " . DB_PREFIX . "weight_class wc LEFT JOIN " . DB_PREFIX . "weight_class_description wcd ON (wc.weight_class_id = wcd.weight_class_id) WHERE wcd.language_id = '" . (int)$this->config->get('config_language_id') . "'"); foreach ($weight_class_query->rows as $result) { $this->weights[$result['weight_class_id']] = array( 'weight_class_id' => $result['weight_class_id'], 'title' => $result['title'], 'unit' => $result['unit'], 'value' => $result['value'] ); } } public function convert($value, $from, $to) { if ($from == $to) { return $value; } if (isset($this->weights[$from])) { $from = $this->weights[$from]['value']; } else { $from = 1; } if (isset($this->weights[$to])) { $to = $this->weights[$to]['value']; } else { $to = 1; } return $value * ($to / $from); } public function format($value, $weight_class_id, $decimal_point = '.', $thousand_point = ',') { if (isset($this->weights[$weight_class_id])) { return number_format($value, 2, $decimal_point, $thousand_point) . $this->weights[$weight_class_id]['unit']; } else { return number_format($value, 2, $decimal_point, $thousand_point); } } public function getUnit($weight_class_id) { if (isset($this->weights[$weight_class_id])) { return $this->weights[$weight_class_id]['unit']; } else { return ''; } } }