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<?php
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include_once 'GoogleMini.php';
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class DrupalGoogleMini extends GoogleMini {
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var $cache = false;
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function __construct($debug = false, $debug_callback = null) {
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parent::__construct($debug,$debug_callback);
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}
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function query($iteratorClass = 'GoogleMiniResultIterator') {
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if (!db_table_exists('cache_google')) {
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$this->cache = false;
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}
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if (!$this->cache) {
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return parent::query($iteratorClass);
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} else {
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$cached_result_obj = null;
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$cache_key = md5($this->buildQuery());
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$_cached_result_xml = cache_get($cache_key,'cache_google');
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$cached_result_xml = $_cached_result_xml->data;
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if ($cached_result_xml) {
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$google_results = GoogleMini::resultFactory($cached_result_xml,$iteratorClass);
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$google_debug = variable_get('google_debug',0);
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if ($google_debug >= 2 ){
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if (function_exists('dpr')) {
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dpr("got cache for $cache_key");
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}
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} elseif ($google_debug == 1) {
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watchdog('amnestysearch',"got cache for $cache_key at" . $_GET['q']);
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}
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} else {
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$google_results = parent::query($iteratorClass);
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//10 Min cache by default
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cache_set($cache_key,'cache_google',$google_results->payload->asXML(),time() + variable_get('google_appliance_cache_timeout',600));
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$google_debug = variable_get('google_debug',0);
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if ($google_debug >= 2 ){
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if (function_exists('dpr')) {
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dpr("setting cache for $cache_key");
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}
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} elseif ($google_debug == 1) {
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watchdog('amnestysearch',"setting cache for $cache_key at" . $_GET['q']);
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}
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}
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return $google_results;
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}
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}
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}
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?>
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