More library display enhancements

application/classes/model/library.php

@@ -16,10 +16,119 @@ class Model_LIBRARY extends ORMTSM {
 		'LIBRARY_NAME'=>'ASC',
 	);
 
+	// Store our show slots data
+	private $slots;
+	private $storagepools = array();
+
 	protected $_has_one = array(
 	);
 	protected $_has_many = array(
 		'DRIVE'=>array('foreign_key'=>'LIBRARY_NAME','far_key'=>'LIBRARY_NAME'),
+		'PATH'=>array('foreign_key'=>'DESTINATION_NAME','far_key'=>'LIBRARY_NAME'),
+		'DEVCLASSES'=>array('foreign_key'=>'LIBRARY_NAME','far_key'=>'LIBRARY_NAME'),
 	);
+
+	public function slots() {
+		return $this->slots ? $this->slots : $this->slots = DB::query(Database::SHOW,'SHOW SLOTS '.$this)->execute();
+	}
+
+	// Return a list of scratch volumes
+	public function scratch() {
+		$return = array();
+
+		foreach ($this->slots() as $slot)
+			if ($slot->status == 'Allocated' AND $slot->LIBVOLUME->usage() == 'scratch')
+				array_push($return,$slot->LIBVOLUME->VOLUME);
+
+		return $return;
+	}
+
+	// Return a list of volumes that are readonly
+	public function readonly() {
+		$return = array();
+
+		foreach ($this->slots() as $slot)
+			if ($slot->LIBVOLUME->VOLUME->ACCESS == 'READONLY')
+				array_push($return,$slot->LIBVOLUME->VOLUME);
+
+		return $return;
+	}
+
+	// Return the number of slots that are empty.
+	public function numemptyslot() {
+		return $this->slots->Slots-$this->slots->Changers-count($this->slots);
+	}
+
+	// Return the slots that are used, but not checked in.
+	public function notcheckedin() {
+		$return = array();
+
+		foreach ($this->slots() as $slot)
+			if ($slot->status == 'Full')
+				array_push($return,$slot);
+
+		return $return;
+	}
+
+	// Return the device classes that use this library.
+	public function devclasses() {
+		return $this->DEVCLASSES->where('LIBRARY_NAME','=',$this)->find_all();
+	}
+
+	// Return a list of storage pools that potentially use this library.
+	public function storagepools() {
+		if (! $this->storagepools)
+			foreach ($this->devclasses() as $dco)
+				foreach ($dco->STGPOOL->find_all() as $spo)
+					array_push($this->storagepools,$spo);
+
+		return $this->storagepools;
+	}
+
+	public function storagepoolstype($type) {
+		$result = array();
+
+		foreach ($this->storagepools() as $spo)
+			if ($spo->POOLTYPE == $type)
+				array_push($result,$spo);
+
+		return $result;
+	}
+
+	// Return a list of volumes
+	// $ptype is pool type (PRIMARY,ACTIVE,COPY)
+	// @param $inout IN|OUT of the library
+	// @param $status volume status FULL|FILLING|PENDING|EMPTY
+	// @note This is an intensive method that needs caching.
+	public function volstype($type,$inout,$status) {
+		static $CACHE = array();
+		$ainout = array('in','out');
+		$astatus = array('FULL','FILLING','PENDING','EMPTY');
+
+		if (! isset($CACHE[__METHOD__][$type]))
+			foreach ($this->storagepoolstype($type) as $spo)
+				foreach ($ainout as $cinout)
+					foreach ($astatus as $cstatus) {
+						if (! isset($CACHE[__METHOD__][$spo->POOLTYPE][$cinout][$cstatus]))
+							$CACHE[__METHOD__][$spo->POOLTYPE][$cinout][$cstatus] = array();
+
+						$CACHE[__METHOD__][$spo->POOLTYPE][$cinout][$cstatus] =
+							array_merge($CACHE[__METHOD__][$spo->POOLTYPE][$cinout][$cstatus],$spo->libvolstype($cinout,$cstatus));
+					}
+
+		return isset($CACHE[__METHOD__][$type][$inout][$status]) ? $CACHE[__METHOD__][$type][$inout][$status] : array();
+	}
+
+	public function volsnotinlib() {
+		$result = array();
+
+		foreach ($this->storagepools() as $spo)
+			foreach ($spo->VOLUME->find_all() as $vo)
+				if ($vo->MEDIA->STATUS != 'MOUNTABLEINLIB')
+					array_push($result,$vo);
+
+		Sort::masort($result,'VOLUME_NAME');
+		return $result;
+	}
 }
 ?>