Enabled caching

application/bootstrap.php

@@ -82,6 +82,7 @@ if (isset($_SERVER['KOHANA_ENV']))
 Kohana::init(array(
 	'base_url'   => '/pta',
 	'index_file' => '',
+	'caching' => TRUE,
 ));
 
 /**
@@ -105,7 +106,7 @@ Kohana::modules(array(
 	// 'image'      => SMDPATH.'image',      // Image manipulation
 	'orm'        => SMDPATH.'orm',        // Object Relationship Mapping
 	// 'unittest'   => SMDPATH.'unittest',   // Unit testing
-	// 'userguide'  => SMDPATH.'userguide',  // User guide and API documentation
+	'userguide'  => SMDPATH.'userguide',  // User guide and API documentation
 	));
 
 /**

application/classes/database/tsm.php

@@ -44,6 +44,17 @@ class Database_TSM extends Database {
 	public function rollback() {}
 	public function set_charset($charset) {}
 
+	/**
+	 * Return the caching defined in the current configuration.
+	 *
+	 *     $cache_time = $db->caching("table");
+	 *
+	 * @return  string
+	 */
+	public function caching($table) {
+		return ($this->_config['caching'] AND isset($this->_config['cache'][$table])) ? $this->_config['cache'][$table] : FALSE;
+	}
+
 	public function connect() {
 		if ($this->_connection)
 			return;

application/classes/model/node.php

@@ -168,12 +168,15 @@ class Model_NODE extends ORMTSM {
 
 	// Return the volumes that this node uses
 	// $dtype is BACKUP or ARCHIVE
-	// @todo Cache this data
 	public function volumes($dtype) {
 		$volumes = array();
 
+		$v = array();
 		foreach ($this->VOLUMEUSAGE->where('COPY_TYPE','=',$dtype)->order_by('STGPOOL_NAME,FILESPACE_NAME')->find_all() as $vol)
+			if (! in_array($vol->VOLUME->VOLUME_NAME,$v)) {
 				$volumes[$vol->STGPOOL_NAME][] = $vol->VOLUME;
+				array_push($v,$vol->VOLUME->VOLUME_NAME);
+			}
 
 		return $volumes;
 	}

application/classes/ormtsm.php

@@ -17,12 +17,50 @@ class ORMTSM extends ORM {
 	protected $_disable_join_table_name = TRUE;
 	// Suppress ORMs use of limit
 	protected $_disable_limit = TRUE;
+	// To enable effective caching, this must disabled.
+	protected $_reload_on_wakeup = FALSE;
 
 	// Enable the formating of columns
 	protected $_object_formated = array();
 	protected $_formated = FALSE;
 	protected $_formats = array();
 
+	public function __construct($id = NULL) {
+		parent::__construct($id);
+
+		// We'll cache our query results
+		if ($c = $this->_db->caching($this->_table_name))
+			$this->cached($c);
+	}
+
+	/**
+	 * Proxy method to Database list_columns.
+	 * This enables caching of the list_columns queries. Since this doesnt
+	 * we hard code the cache to 7 days.
+	 *
+	 * @return array
+	 */
+	public function list_columns() { 
+		// We'll cache our query results
+		if ($this->_db->caching('SCHEMA')) {
+			// Set the cache key based on the database instance name and SQL
+			$cache_key = 'Database::query(LC:'.$this->_table_name.')';
+ 
+			if ($result = Cache::instance()->get($cache_key))
+				// Return a cached result
+				return $result;
+		}
+
+		// Proxy to database
+		$result = $this->_db->list_columns($this->_table_name);
+
+		// Cache the result array
+		if (isset($cache_key))
+			Cache::instance()->set($cache_key, $result, 604800);
+
+		return $result;
+	}
+
 	// Load our values into the ORM object
 	public function load_object(array $values) {
 		return parent::_load_values($values);

application/config/database.php

@@ -36,7 +36,25 @@ return array
 		),
 		'table_prefix' => '',
 		'charset'      => 'utf8',
-		'caching'      => FALSE,
+		'caching'      => TRUE,
+		'cache'        => array(
+			'ASSOCIATIONS' => 1200,
+			'AR_COPYGROUPS' => 1200,
+			'BU_COPYGROUPS' => 1200,
+			'CLIENT_SCHEDULES' => 1200,
+			'CLIENTOPTS' => 1200,
+			'DEVCLASSES' => 1200,
+			'EVENTS' => 1200,
+			'FILESPACES' => 1200,
+			'MGMTCLASSES' => 1200,
+			'NODES' => 1200,
+			'OCCUPANCY' => 1200,
+			'SCHEMA' => 604800,
+			'STGPOOLS' => 1200,
+			'SUMMARY' => 60,
+			'VOLUMES' => 1200,
+			'VOLUMEUSAGE' => 1200,
+		),
 		'profiling'    => TRUE,
 	),
 );

application/views/nodes/detail_volumes.php

@@ -49,5 +49,5 @@
 			 
 		</td>
 	</tr>
-	<? } ?>
+	<?php } ?>
 </table>