Generic Asset model and supporting files

application/models/rows/Asset.php

+<?php
+
+class Asset extends Nmc_Db_Table_Row
+{
+    static public $tableClass = 'Assets';
+}
+
+?>
\ No newline at end of file

application/models/rows/CourseGeneration.php

@@ -2,17 +2,14 @@
 
 class CourseGeneration extends Nmc_Db_Table_Row
 {
-    /*
-    public $request;
-    public $gradTieIn;
-    public $integratedStudies;
-    */
     protected $_homeCrosslisting;
 
     public function __construct($config = array())
     {
         parent::__construct($config);
 
+        $this->_registerRelation(
+            new Nmc_Db_Table_Relation_Extend(Assets::getInstance(), $this, 'assetId'));
         $this->_registerRelation(
             new Nmc_Db_Table_Relation_HasOne(CourseDetails::getInstance(), $this, 'generation'));
         $this->_registerRelation(
@@ -89,7 +86,7 @@ class CourseGeneration extends Nmc_Db_Table_Row
         }
 
         $saveCourse = $this->course;
-        $saveCreated = $this->created;
+        $saveCreationTime = $this->creationTime;
         if($this->request instanceof Request) {
             $saveRequest = $this->request->toArray();
         }
@@ -101,8 +98,8 @@ class CourseGeneration extends Nmc_Db_Table_Row
                 $course->save();
                 $this->course = $course->id;
             }
-            if(!$this->created) {
-                $this->created = time();
+            if(!$this->creationTime) {
+                $this->creationTime = time();
             }
 
             if($this->request instanceof Request) {
@@ -123,7 +120,7 @@ class CourseGeneration extends Nmc_Db_Table_Row
             }
 
             $this->course = $saveCourse;
-            $this->created = $saveCreated;
+            $this->creationTime = $saveCreationTime;
             if($this->request instanceof Request) {
                 $this->_data['request'] = $saveRequestId;
                 $this->request->setFromArray($saveRequest);

application/models/rows/Request.php

@@ -19,11 +19,19 @@ class Request extends Nmc_Db_Table_Row
     {
         $returnValue = null;
 
-        $where = $this->_db->quoteInto('request = ?', $this->id);
-        $order = 'created';
-        $generations = CourseGenerations::getInstance()->fetchAll($where, $order);
-        if($generations->count() > 0) {
-            $returnValue = $generations[0];
+        $select = $this->_db->select();
+        $select->from(CourseGenerations::getInstance()->getTableName(),
+                      CourseGenerations::getInstance()->getPrimaryKeyName());
+        $select->join(Assets::getInstance()->getTableName(),
+                        CourseGenerations::getInstance()->getTableName()
+                      . '.asset_id = '
+                      . Assets::getInstance()->getTableName() . '.'
+                      . Assets::getInstance()->getPrimaryKeyName());
+        $select->where($this->_db->quoteInto('request = ?', $this->id));
+        $select->order('creation_time');
+        $generations = $this->_db->fetchCol($select);
+        if(count($generations) > 0) {
+            $returnValue = CourseGenerations::getInstance()->find($generations[0]);
         }
 
         return $returnValue;

application/models/tables/Assets.php

+<?php
+
+class Assets extends Nmc_Db_Table
+{
+    protected $_rowClass = 'Asset';
+
+    /**
+     * The one true instance
+     *
+     * @var Assets
+     */
+    protected static $_instance = null;
+
+    /**
+     * Returns the one true instance
+     *
+     * @return Assets
+     */
+    public static function getInstance($config = array())
+    {
+        if(!self::$_instance) {
+            self::$_instance = new Assets($config);
+        }
+        return self::$_instance;
+    }
+
+
+}
+
+?>
\ No newline at end of file