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from django import forms
from django.contrib import messages
from django.contrib.messages.views import SuccessMessageMixin
from django.http import HttpResponse, HttpResponseRedirect
from django.template import engines
from django.template.response import TemplateResponse
from django.urls import path, re_path, reverse
from django.views.decorators.cache import never_cache
from django.views.generic.edit import DeleteView, FormView
from .models import SomeObject
TEMPLATE = """{% if messages %}
<ul class="messages">
{% for message in messages %}
<li{% if message.tags %} class="{{ message.tags }}"{% endif %}>
{{ message }}
</li>
{% endfor %}
</ul>
{% endif %}
"""
@never_cache
def add(request, message_type):
# Don't default to False here to test that it defaults to False if
# unspecified.
fail_silently = request.POST.get("fail_silently", None)
for msg in request.POST.getlist("messages"):
if fail_silently is not None:
getattr(messages, message_type)(request, msg, fail_silently=fail_silently)
else:
getattr(messages, message_type)(request, msg)
return HttpResponseRedirect(reverse("show_message"))
@never_cache
def add_template_response(request, message_type):
for msg in request.POST.getlist("messages"):
getattr(messages, message_type)(request, msg)
return HttpResponseRedirect(reverse("show_template_response"))
@never_cache
def show(request):
template = engines["django"].from_string(TEMPLATE)
return HttpResponse(template.render(request=request))
@never_cache
def show_template_response(request):
template = engines["django"].from_string(TEMPLATE)
return TemplateResponse(request, template)
class ContactForm(forms.Form):
name = forms.CharField(required=True)
slug = forms.SlugField(required=True)
class ContactFormViewWithMsg(SuccessMessageMixin, FormView):
form_class = ContactForm
success_url = show
success_message = "%(name)s was created successfully"
class DeleteFormViewWithMsg(SuccessMessageMixin, DeleteView):
model = SomeObject
success_url = "/show/"
success_message = "Object was deleted successfully"
urlpatterns = [
re_path("^add/(debug|info|success|warning|error)/$", add, name="add_message"),
path("add/msg/", ContactFormViewWithMsg.as_view(), name="add_success_msg"),
path(
"delete/msg/<int:pk>",
DeleteFormViewWithMsg.as_view(),
name="success_msg_on_delete",
),
path("show/", show, name="show_message"),
re_path(
"^template_response/add/(debug|info|success|warning|error)/$",
add_template_response,
name="add_template_response",
),
path(
"template_response/show/", show_template_response, name="show_template_response"
),
]
|
