adding drag factor

rowers/views/workoutviews.py

@@ -3345,6 +3345,7 @@ def workout_edit_view(request,id=0,message="",successmessage=""):
             distance = form.cleaned_data['distance']
             private = form.cleaned_data['private']
             notes = form.cleaned_data['notes']
+            newdragfactor = form.cleaned_data['dragfactor']
             thetimezone = form.cleaned_data['timezone']
 
             try:
@@ -3416,6 +3417,11 @@ def workout_edit_view(request,id=0,message="",successmessage=""):
             row.timezone = thetimezone
             row.plannedsession = ps
 
+            dragchanged = False
+            if newdragfactor != row.dragfactor:
+                row.dragfactor = newdragfactor
+                dragchanged = True
+
             try:
                 row.save()
             except IntegrityError:
@@ -3427,6 +3433,12 @@ def workout_edit_view(request,id=0,message="",successmessage=""):
             # change data in csv file
             
             r = rdata(row.csvfilename)
+            if dragchanged:
+                try:
+                    r.change_drag(newdragfactor)
+                except AttributeError:
+                    pass
+                    
             if r == 0:
                 return HttpResponse("Error: CSV Data File Not Found")
             r.rowdatetime = startdatetime