Modal forms

* adds new POST functionality in NewStateModalForm, which does not use the super classes process_request() method
* adds explaining comments on the is_ajax() call
* updates translations

compensation/forms.py

@@ -5,11 +5,12 @@ Contact: michel.peltriaux@sgdnord.rlp.de
 Created on: 04.12.20
 
 """
+from bootstrap_modal_forms.utils import is_ajax
 from django import forms
 from django.contrib import messages
 from django.db import transaction
-from django.http import HttpRequest
+from django.http import HttpRequest, HttpResponseRedirect
-from django.shortcuts import redirect, render
+from django.shortcuts import render
 from django.utils.translation import gettext_lazy as _
 
 from compensation.models import Payment, CompensationState, CompensationAction, UnitChoices
@@ -153,19 +154,24 @@ class NewStateModalForm(BaseModalForm):
         template = self.template
         if request.method == "POST":
             if self.is_valid():
+                # Modal forms send one POST for checking on data validity. This can be used to return possible errors
+                # on the form. A second POST (if no errors occured) is sent afterwards and needs to process the
+                # saving/commiting of the data to the database. is_ajax() performs this check. The first request is
+                # an ajax call, the second is a regular form POST.
+                if not is_ajax(request.META):
                     is_before_state = bool(request.GET.get("before", False))
                     self.save(is_before_state=is_before_state)
                     messages.success(
                         request,
                         msg_success
                     )
-                return redirect(redirect_url)
+                return HttpResponseRedirect(redirect_url)
             else:
-                messages.info(
+                context = {
-                    request,
+                    "form": self,
-                    msg_error
+                }
-                )
+                context = BaseContext(request, context).context
-                return redirect(redirect_url)
+                return render(request, template, context)
         elif request.method == "GET":
             context = {
                 "form": self,

konova/forms.py

@@ -173,6 +173,10 @@ class BaseModalForm(BaseForm, BSModalForm):
         if request.method == "POST":
             if self.is_valid():
                 if not is_ajax(request.META):
+                    # Modal forms send one POST for checking on data validity. This can be used to return possible errors
+                    # on the form. A second POST (if no errors occured) is sent afterwards and needs to process the
+                    # saving/commiting of the data to the database. is_ajax() performs this check. The first request is
+                    # an ajax call, the second is a regular form POST.
                     self.save()
                     messages.success(
                         request,

locale/de/LC_MESSAGES/django.po

@@ -410,7 +410,7 @@ msgstr "Termine und Fristen"
 #: compensation/templates/compensation/detail/compensation/includes/deadlines.html:14
 #: compensation/templates/compensation/detail/eco_account/includes/deadlines.html:14
 msgid "Add new deadline"
-msgstr "Neue Frist hinzufügen"
+msgstr "Frist/Termin hinzufügen"
 
 #: compensation/templates/compensation/detail/compensation/includes/deadlines.html:28
 #: compensation/templates/compensation/detail/eco_account/includes/deadlines.html:28
@@ -594,7 +594,7 @@ msgstr "Maßnahme hinzugefügt"
 #: compensation/views/compensation_views.py:219
 #: compensation/views/eco_account_views.py:265
 msgid "Deadline added"
-msgstr "Frist hinzugefügt"
+msgstr "Frist/Termin hinzugefügt"
 
 #: compensation/views/compensation_views.py:238
 msgid "State removed"