Compensation control

* removes CompensationControl model
* adds comment field to CompensationAction
* adds max length of 200 for comment fields in forms
* adds rendering of error messages in case of invalid form input
* adds/updates translations

compensation/forms.py

@@ -178,9 +178,10 @@ class NewDeadlineModalForm(BaseModalForm):
     )
     comment = forms.CharField(
         required=False,
+        max_length=200,
         label=_("Comment"),
         label_suffix=_(""),
-        help_text=_("Additional comment"),
+        help_text=_("Additional comment, maximum {} letters").format(200),
         widget=forms.Textarea(
             attrs={
                 "cols": 30,
@@ -239,9 +240,10 @@ class NewActionModalForm(BaseModalForm):
     )
     comment = forms.CharField(
         required=False,
+        max_length=200,
         label=_("Comment"),
         label_suffix=_(""),
-        help_text=_("Additional comment"),
+        help_text=_("Additional comment, maximum {} letters").format(200),
         widget=forms.Textarea(
             attrs={
                 "cols": 30,
@@ -265,6 +267,7 @@ class NewActionModalForm(BaseModalForm):
                 action_type=self.cleaned_data["action_type"],
                 amount=self.cleaned_data["amount"],
                 unit=self.cleaned_data["unit"],
+                comment=self.cleaned_data["comment"],
                 created=user_action,
             )
             self.instance.actions.add(comp_action)