fix some bugs

rowers/views/workoutviews.py

@@ -3236,13 +3236,34 @@ def workout_erase_column_view(request, id=0,column=''):
 
             return HttpResponseRedirect(url)
 
+
         row,workout = dataprep.getrowdata(id=w.id)
         row.df[columnl] = defaultvalue
-        print(row.df[columnl])
-        row.write_csv(w.csvfilename,gzip=True)
+        os.remove(w.csvfilename+'.gz')
 
+
+        row.write_csv(w.csvfilename,gzip=True)
+        
+
+        row,workout = dataprep.getrowdata(id=w.id)
         datadf = dataprep.dataprep(row.df,id=w.id)
 
+        if column == 'hr':
+            w.hrtss = 0
+            w.trimp = 0
+            w.save()
+
+        if column == 'power':
+            w.rscore = 0
+            w.normp = 0
+            w.goldmedalstandard = -1
+            w.goldmedalseconds = 0
+            w.save()
+
+        trimp,hrtss = dataprep.workout_trimp(w,reset=True)
+        rscore,normp = dataprep.workout_rscore(w,reset=True)
+        goldstandard,goldstandardduration = dataprep.workout_goldmedalstandard(w,reset=True)
+
 
         messages.info(request,'Data for column '+column+' have been erased')
         url = reverse('workout_data_view',kwargs={