/**
* @param $atts
* @param $weather_data - the precomputed weather data
* @return bool|string
* - bool:true - we have the $weather_data (from cache or from a real request)
* - string - error message
*/
private static function get_weather_data($atts, &$weather_data)
{
if (empty($atts['w_language'])) {
$atts['w_language'] = 'en';
$sytem_locale = get_locale();
$available_locales = array('en', 'es', 'sp', 'fr', 'it', 'de', 'pt', 'ro', 'pl', 'ru', 'uk', 'ua', 'fi', 'nl', 'bg', 'sv', 'se', 'ca', 'tr', 'hr', 'zh', 'zh_tw', 'zh_cn', 'hu');
// CHECK FOR LOCALE
if (in_array($sytem_locale, $available_locales)) {
$atts['w_language'] = $sytem_locale;
}
// CHECK FOR LOCALE BY FIRST TWO DIGITS
if (in_array(substr($sytem_locale, 0, 2), $available_locales)) {
$atts['w_language'] = substr($sytem_locale, 0, 2);
}
}
$cache_key = strtolower($atts['w_location'] . '_' . $atts['w_language'] . '_' . $weather_data['current_unit']);
if (td_remote_cache::is_expired(__CLASS__, $cache_key) === true) {
// cache is expired - do a request
$today_api_data = self::owm_get_today_data($atts, $weather_data);
$forecast_api_data = self::owm_get_five_days_data($atts, $weather_data);
// check the api call response
if ($today_api_data !== true or $forecast_api_data !== true) {
// we have an error on one of the apis
$weather_data = td_remote_cache::get(__CLASS__, $cache_key);
if ($weather_data === false) {
// miss and io error... shit / die
return self::error('Weather API error: ' . $today_api_data . ' ' . $forecast_api_data);
}
td_remote_cache::extend(__CLASS__, $cache_key, self::$caching_time);
return 'api_fail_cache';
}
td_remote_cache::set(__CLASS__, $cache_key, $weather_data, self::$caching_time);
//we have a reply and we set it
return 'api';
} else {
// cache is valid
$weather_data = td_remote_cache::get(__CLASS__, $cache_key);
return 'cache';
}
}
/**
* @internal
* disables the cache. Warning it also CLEARS the cache
*/
static function _disable_cache()
{
delete_option(TD_THEME_OPTIONS_NAME . '_remote_cache');
self::$is_cache_enabled = false;
}
