Merge in from pre_0.1 branch

git-svn-id: file:///svn-source/pmgr/trunk/site@847 97e9348a-65ac-dc4b-aefc-98561f571b83

models/unit_size.php

@@ -1,25 +1,64 @@
 <?php
 class UnitSize extends AppModel {
 
-	var $name = 'UnitSize';
-	var $validate = array(
-		'id' => array('numeric'),
-		'unit_type_id' => array('numeric'),
-		'code' => array('notempty'),
-		'name' => array('notempty'),
-		'width' => array('numeric'),
-		'depth' => array('numeric'),
-		'deposit' => array('money'),
-		'amount' => array('money')
-	);
+  var $belongsTo =
+    array(
+	  'UnitType',
+	  );
 
-	var $belongsTo = array(
-		'UnitType',
-	);
+  var $hasMany =
+    array(
+	  'Unit',
+	  );
 
-	var $hasMany = array(
-		'Unit',
-	);
+
+  /**************************************************************************
+   **************************************************************************
+   **************************************************************************
+   * function: stats
+   *  - Returns summary data from the requested unit size.
+   */
+
+  function stats($id = null) {
+    $this->prEnter(compact('id'));
+
+    // Right now, we only work with id not null
+    if (!$id)
+      return null;
+
+    $stats = array();
+
+    // Get the total number of units this size
+    $stats['all'] =
+      $this->find('count',
+		  array('link' => array('Unit'),
+			'conditions' => array(array('UnitSize.id' => $id)),
+			));
+
+    // Get numbers for units in the various states
+    foreach (array('unavailable', 'vacant', 'occupied', 'locked', 'liened') AS $status) {
+      $statusfunc = 'condition' . ucfirst($status);
+      $stats[$status] =
+	$this->find('count',
+		    array('link' => array('Unit'),
+			  'conditions' => array(array('UnitSize.id' => $id),
+						$this->Unit->{$statusfunc}()),
+			  ));
+    }
+
+    // Count up each unit by physical status
+    foreach 
+      ($this->find('all',
+		   array('link' => array('Unit' => array('fields' => array())),
+			 'fields' => array('Unit.status', 'COUNT(Unit.id) AS total'),
+			 'conditions' => array(array('UnitSize.id' => $id)),
+			 'group' => 'Unit.status',
+			 )) AS $status) {
+      $stats['status'][$status['Unit']['status']] = $status[0]['total'];
+    }
+
+    // Return the collection
+    return $this->prReturn($stats);
+  }
 
 }
-?>