/**
* Parse a json containing the lookup table.
*
* @return void
*/
private function _fromJSON()
{
$uri = $this->_config->get('paths/lookup');
try {
$fileContent = $this->_vfs->file_get_contents($uri);
$temp = json_decode($fileContent, true);
self::$lookup = $temp['lookupTable'];
} catch (Exception $e) {
throw new KiTT_Exception($e->getMessage(), $e->getCode());
}
}
/**
* Get all possible viable candidates based on a currency and language
*
* @param string $currency iso-4217 currency code
* @param string $language iso-639-1 language code
*
* @return array containing possible candidates
*/
private function _getCandidates($currency, $language)
{
$candidates = $this->_lookup->getCountries($currency);
// If there is only one country for this currency we ignore language
// and just check to see if that country is a sales country.
if (count($candidates) === 1) {
$country = array_keys($candidates);
if (!$this->_isSalesCountry($country[0])) {
return array();
}
return $country;
}
// Collect sales countries that support the given language
$collector = array();
foreach ($candidates as $country => $languages) {
if (!$this->_isSalesCountry($country)) {
continue;
}
if (in_array($language, $languages)) {
$collector[] = $country;
}
}
return $collector;
}
/**
* Get the available languages for the locale and make sure that English
* and the current language is included.
*
* @return string
*/
public function languages()
{
$languages = $this->lookup->getAllLanguages($this->country);
$avail = array_merge(array('en', $this->language), $languages !== null ? $languages : array());
return json_encode(array_values(array_unique($avail)));
}
