Apply coupon if there is an existing subscription, bug : coupon was only getting…

Apply coupon if there is an existing subscription, bug : coupon was only getting updated when a plan upgrade or downgrade happens, it should be updated to an existing plan as well for future billing

cmsWebApp/src/performa/form/ApplyCouponFP.java

@@ -19,7 +19,6 @@ import oneit.servlets.process.SaveFP;
 import oneit.utils.BusinessException;
 import oneit.utils.DateDiff;
 import performa.orm.HiringTeam;
-import performa.orm.PaymentPlan;
 import performa.orm.StripeCoupon;
 import performa.orm.types.CouponDuration;
 import performa.utils.StripeUtils;
@@ -49,6 +48,8 @@ public class ApplyCouponFP  extends SaveFP
         
         if(coupon != null && coupon.getValid())
         {
+            StripeUtils.applyCoupon(hiringTeam);
+            
             StripeCoupon stripeCoupon   =   null; 
             
             if(stripeCoupons != null && stripeCoupons.length > 0)

cmsWebApp/src/performa/utils/StripeUtils.java

@@ -265,6 +265,32 @@ public class StripeUtils
     }
     
     
+    public static void applyCoupon(HiringTeam hiringTeam) throws BusinessException
+    {
+        try 
+        {
+            Subscription subscription = retrieveSubscription(hiringTeam.getStripeSubscription());
+            
+            if(subscription != null)
+            {
+                Map<String, Object> params  =   new HashMap<>();
+
+                params.put("coupon", hiringTeam.getCouponCode());
+
+                subscription.update(params);
+                
+                LogMgr.log(LoggingArea.ALL, LogLevel.PROCESSING1, "Updating subscription : ", subscription, " with coupon : ", hiringTeam.getCouponCode());
+            }
+        } 
+        catch (FieldException | StripeException ex) 
+        {
+            LogMgr.log(LoggingArea.ALL, LogLevel.PROCESSING1, ex,  "Error while applying coupon in stripe  for hiring team: "+ hiringTeam);
+            
+            throw new BusinessException("Problem with applying coupon. Please contact adminstrator for more info.");
+        }
+    }
+    
+    
     public static void chargeUpgradePlanDifference(HiringTeam hiringTeam, double costDifference) throws BusinessException
     {
         try