added cache auto-archiving; update #90, update #67

2013-06-04 23:27:17 +02:00
parent 75cad8f07f
commit 331c15edbd
7 changed files with 174 additions and 3 deletions
@@ -0,0 +1,114 @@
+<?php
+/***************************************************************************
+ *  For license information see doc/license.txt
+ *
+ *  Unicode Reminder メモ
+ *
+ *  Automatic archiving of disabled caches
+ ***************************************************************************/
+
+require_once($opt['rootpath'] . "lib2/logic/cache.class.php");
+require_once($opt['rootpath'] . "lib2/logic/cachelog.class.php");
+
+checkJob(new autoarchive());
+
+
+class autoarchive
+{
+	var $name = 'autoarchive';
+	var $interval = 120;  // provisonal minimum interval for initial archiving
+
+
+	function run()
+	{
+		global $opt, $login;
+
+		if ($login->system_login($opt['logic']['systemuser']['user']))
+		{
+			if ($login->hasAdminPriv(ADMIN_USER))
+			{
+				$this->archive_disabled_caches();
+				$this->archive_events();
+			}
+			else
+				echo $this->name . ": user '".$opt['logic']['systemuser']['user']."' cannot maintain caches\n";
+		}
+	}
+
+	function archive_disabled_caches()
+	{
+		// Logging of status changes in cache_status_modified has started on June 1, 2013.
+		// For archiving caches that were disabled earlier, we also check the listing
+		// modification date.
+		$rs = sql("SELECT `caches`.`cache_id`
+		             FROM `caches`
+		            WHERE `caches`.`status`=2 AND `caches`.`type`<>6
+								  AND IFNULL((SELECT MAX(`date_modified`) FROM `cache_status_modified` `csm` WHERE `csm`.`cache_id`=`caches`.`cache_id`),`caches`.`listing_last_modified`) < NOW() - INTERVAL 365 DAY
+						 GROUP BY `caches`.`cache_id`
+						 ORDER BY `caches`.`listing_last_modified`
+						    LIMIT 1");  // provisional limit for initial archiving
+		while ($rCache = sql_fetch_assoc($rs))
+		{
+			$this->archive_cache(
+					$rCache['cache_id'],
+				  'This cache has been "temporarily unavailable" for more than one year now; ' .
+					'therefore it is being archived automatically. The owner may decide to ' .
+					'maintain the cache and re-enable the listing.');
+		}
+		sql_free_result($rs);
+	}
+
+	function archive_events()
+	{
+		// To prevent archiving events that were accidentally published with a wrong
+		// event date - before the owner notices it - we also apply a limit of one month
+		// to the publication date.
+		$rs = sql("SELECT `cache_id`
+		             FROM `caches`
+		            WHERE `caches`.`type`=6 AND `caches`.`status`=1
+								      AND GREATEST(`date_hidden`,`date_created`) < NOW() - INTERVAL 35 DAY
+						 ORDER BY `date_hidden`
+						    LIMIT 1");  // provisonal limit for initial archiving
+		while ($rCache = sql_fetch_assoc($rs))
+		{
+			$this->archive_cache(
+					$rCache['cache_id'],
+			    'This event took place more than five weeks ago; therefore it is ' .
+					'being archived automatically. The owner may re-enable the listing ' .
+					'if it should stay active for some exceptional reason.');
+		}
+		sql_free_result($rs);
+	}
+
+	function archive_cache($cache_id, $comment)
+	{
+		global $opt, $login, $translate;
+
+		$log = cachelog::createNew($cache_id,$login->userid);
+		if (!$log)
+			echo $this->name . ": cannot create log for cache $cache_id\n";
+		else
+		{
+			$cache = new cache($cache_id);
+			if (!$cache->setStatus(3) || !$cache->save())
+				echo $this->name . ": cannot change status of cache $cache_id\n";
+			else
+			{
+				// create log
+				$log->setType(cachelog::LOGTYPE_ARCHIVED, true);
+				$log->setOcTeamComment(true);
+				$log->setDate(date('Y-m-d H:i'));
+
+				// create log text in appropriate language
+				$translated_comment = $translate->t($comment, '','',0,'',1, $cache->getDefaultDescLanguage());
+				$log->setText('<p>'.$translated_comment.'</p>');
+
+				if (!$log->save())
+					echo $this->name . ": could not save archive log for cache $cache_id\n";
+			}
+		}
+	}
+
+}
+
+?>