Added support for querying only occupied or vacant units. It's working at the moment, but I'll probably move some more logic to the controller next.

git-svn-id: file:///svn-source/pmgr/branches/initial_20090526@29 97e9348a-65ac-dc4b-aefc-98561f571b83

site/app_model.php

@@ -37,5 +37,42 @@
  * @subpackage    cake.app
  */
 class AppModel extends Model {
+
+
+  /**
+   * Get Enum Values
+   * Snippet v0.1.3
+   * http://cakeforge.org/snippet/detail.php?type=snippet&id=112
+   *
+   * Gets the enum values for MySQL 4 and 5 to use in selectTag()
+   */
+  function getEnumValues($columnName=null, $respectDefault=false)
+  {
+    if ($columnName==null) { return array(); } //no field specified
+
+    //Get the name of the table
+    $db =& ConnectionManager::getDataSource($this->useDbConfig);
+    $tableName = $db->fullTableName($this, false);
+
+    //Get the values for the specified column (database and version specific, needs testing)
+    $result = $this->query("SHOW COLUMNS FROM {$tableName} LIKE '{$columnName}'");
+
+    //figure out where in the result our Types are (this varies between mysql versions)
+    $types = null;
+    if     ( isset( $result[0]['COLUMNS']['Type'] ) ) {  //MySQL 5
+      $types = $result[0]['COLUMNS']['Type']; $default = $result[0]['COLUMNS']['Default'];
+    }
+    elseif ( isset( $result[0][0]['Type'] ) )         {  //MySQL 4
+      $types = $result[0][0]['Type']; $default = $result[0][0]['Default'];
+    }
+    else   { //types return not accounted for
+      return array();
+    }
+
+    //Get the values
+    return array_flip(array_merge(array(''), // MySQL sets 0 to be the empty string
+				  explode("','", preg_replace("/(enum)\('(.+?)'\)/","\\2", $types))
+				  ));
+  } //end getEnumValues
+
 }
-?>