*Optimize the code.

module/product/control.php

@@ -1291,7 +1291,7 @@ class product extends control
         $this->view->position[] = $this->lang->product->line;
 
         $this->view->programs = array('') + $this->loadModel('program')->getTopPairs();
-        $this->view->lines    = $this->dao->select('*')->from(TABLE_MODULE)->where('type')->eq('line')->andWhere('deleted')->eq(0)->orderBy('`order`')->fetchAll();
+        $this->view->lines    = $this->product->getLines();
         $this->display();
     }
 

module/product/model.php

@@ -1786,7 +1786,7 @@ class productModel extends model
      *
      * @param  int    $programID
      * @access public
-     * @return void
+     * @return array
      */
     public function getLinePairs($programID = 0)
     {
@@ -1797,6 +1797,16 @@ class productModel extends model
             ->fetchPairs();
     }
 
+    /*
+     * Get all lines.
+     * @access public
+     * @return array
+     */
+    public function getLines()
+    {
+        return $this->dao->select('*')->from(TABLE_MODULE)->where('type')->eq('line')->andWhere('deleted')->eq(0)->orderBy('`order`')->fetchAll();
+    }
+
     /**
      * Get the summary of product's stories.
      *