first version erase column

rowers/views/workoutviews.py

@@ -3166,6 +3166,124 @@ def instroke_chart(request,id=0,metric=''):
 
     return HttpResponseRedirect(url)
 
+# erase column
+@permission_required('workout.change_workout',fn=get_workout_by_opaqueid,raise_exception=True)
+def workout_erase_column_view(request, id=0,column=''):
+    r = getrower(request.user)
+    w = get_workoutuser(id,request)
+
+    protected = ['time','pace','velo','cumdist','ftime','fpace',]
+    if column in protected:
+        messages.error(request,'You cannot erase this protected column')
+        url = reverse('workout_data_view',kwargs={
+            'id':encoder.encode_hex(w.id)
+        })
+
+        return HttpResponseRedirect(url)
+
+    try:
+        data = dataprep.getsmallrowdata_db([column],ids=[w.id])
+    except:
+        messages.error(request,'Invalid column')
+        url = reverse('workout_data_view',kwargs={
+            'id':encoder.encode_hex(w.id)
+        })
+
+        return HttpResponseRedirect(url)
+
+    try:
+        cdata = data[column]
+    except KeyError:
+        url = reverse('workout_data_view',kwargs={
+            'id':encoder.encode_hex(w.id)
+        })
+
+        return HttpResponseRedirect(url)
+
+
+    if not column:
+        url = reverse('workout_data_view',kwargs={
+            'id':encoder.encode_hex(w.id)
+        })
+
+        return HttpResponseRedirect(url)
+
+    if request.method == 'POST':
+
+        mms = {}
+        for m in rowingmetrics:
+            mms[m[0]] = m[1]
+
+        try:
+            defaultvalue = mms[column]['default']
+        except KeyError:
+            if not mms[column]['null']:
+                messages.error(request,'You cannot erase this protected column')
+                url = reverse('workout_data_view',kwargs={
+                    'id':encoder.encode_hex(w.id)
+                })
+
+                return HttpResponseRedirect(url)
+            defaultvalue = 0
+
+        try:
+            columnl = dataprep.columndict[column]
+        except KeyError:
+            messages.error(request,'You cannot erase this column')
+            url = reverse('workout_data_view',kwargs={
+                'id':encoder.encode_hex(w.id)
+            })
+
+            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)
+
+        datadf = dataprep.dataprep(row.df,id=w.id)
+
+
+        messages.info(request,'Data for column '+column+' have been erased')
+        url = reverse('workout_data_view',kwargs={
+            'id':encoder.encode_hex(w.id)
+        })
+
+        return HttpResponseRedirect(url)
+
+
+    breadcrumbs = [
+            {
+                'url':'/rowers/list-workouts/',
+                'name':'Workouts'
+                },
+            {
+                'url':get_workout_default_page(request,id),
+                'name': w.name
+                },
+            {
+                'url':reverse('workout_data_view',kwargs={'id':id}),
+                'name': 'Data Explorer'
+                }
+
+            ]
+
+    return render(request,
+                  'workout_erase_column.html',
+                  {
+                    'column':column,
+                      'teams':get_my_teams(request.user),
+                      'workout': w,
+                      'breadcrumbs': breadcrumbs,
+
+                      }
+                  )
+
+
+
+
+
+
 
 # data explorer
 @permission_required('workout.change_workout',fn=get_workout_by_opaqueid,raise_exception=True)
@@ -3268,6 +3386,8 @@ def workout_data_view(request, id=0):
                   'workout_data.html',
                   {
                       'htmltable': htmltable,
+                      'data':datadf,
+                      'cols':datadf.columns,
                       'form':form,
                       'teams':get_my_teams(request.user),
                       'workout': w,