Requirement 2 RAD Presentation

req2.cls

//*REQUIREMENT 2*Before a Stock Item is deleted, make sure that the stock on 
	//hand is at 0.  If it is not, Create a case so that someone is alerted.
	
    //checking if the record is deleted
    if(trigger.isdelete) {
     
    for (stock_item__c stockdelete : trigger.old)  //loop through all deleted items
    {
      if (stockdelete.Stock_on_Hand__c < 0) //check if stock on hand is not 0 then create a case to alert
      {
 		case c = new case ();
        c.subject = 'stock item being deleted';
        c.OwnerId = '0050Y000001lnHx';
        c.Description= 'Item_Name__c , stock_on_hand__c';
        c.Status = 'new';
        c.Origin = 'email';
        
            	    //not sure how to get the record id for the
            	    //record that's being deleted 
         
           insert c;  	    
      }
       
    }
    }