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from django.contrib import admin
from django.contrib.admin import AdminSite
from django.db.models import F
from django.http import HttpResponseRedirect
from django.urls import reverse
from django_object_actions import (
DjangoObjectActions,
action,
takes_instance_or_queryset,
)
from .models import Choice, Comment, Poll, RelatedData
class ChoiceAdmin(DjangoObjectActions, admin.ModelAdmin):
list_display = ("poll", "choice_text", "votes")
# Actions
#########
@action(
description="+1",
label="vote++",
attrs={
"test": '"foo&bar"',
"Robert": '"); DROP TABLE Students; ', # 327
"class": "addlink",
},
)
@takes_instance_or_queryset
def increment_vote(self, request, queryset):
queryset.update(votes=F("votes") + 1)
actions = ["increment_vote"]
# Object actions
################
@action(description="-1")
def decrement_vote(self, request, obj):
obj.votes -= 1
obj.save()
def delete_all(self, request, queryset):
self.message_user(request, "just kidding!")
@action(description="0", methods=("POST",), button_type="form")
def reset_vote(self, request, obj):
obj.votes = 0
obj.save()
def edit_poll(self, request, obj):
url = reverse("admin:polls_poll_change", args=(obj.poll.pk,))
return HttpResponseRedirect(url)
def raise_key_error(self, request, obj):
raise KeyError
change_actions = (
"increment_vote",
"decrement_vote",
"reset_vote",
"edit_poll",
"raise_key_error",
)
changelist_actions = ("delete_all",)
admin.site.register(Choice, ChoiceAdmin)
class ChoiceInline(admin.StackedInline):
model = Choice
extra = 3
class PollAdmin(DjangoObjectActions, admin.ModelAdmin):
# List
######
list_display = ("question", "pub_date", "was_published_recently")
list_filter = ["pub_date"]
search_fields = ["question"]
date_hierarchy = "pub_date"
def changelist_view(self, request, extra_context=None):
extra_context = {"foo": "changelist_view"}
return super().changelist_view(request, extra_context)
# Detail
########
fieldsets = [
(None, {"fields": ["question"]}),
("Date information", {"fields": ["pub_date"], "classes": ["collapse"]}),
]
inlines = [ChoiceInline]
def change_view(self, request, object_id, form_url="", extra_context=None):
extra = {"foo": "change_view"}
return super().change_view(request, object_id, form_url, extra)
# Object actions
################
@action(label="Delete All Choices")
def delete_all_choices(self, request, obj):
from django.shortcuts import render
if request.method == "POST":
obj.choice_set.all().delete()
return None
self.message_user(request, "All choices deleted")
return render(request, "clear_choices.html", {"object": obj})
def question_mark(self, request, obj):
"""Add a question mark."""
obj.question = obj.question + "?"
obj.save()
change_actions = ("delete_all_choices", "question_mark")
def get_change_actions(self, request, object_id, form_url):
actions = super().get_change_actions(request, object_id, form_url)
actions = list(actions)
if not request.user.is_superuser:
return []
obj = self.model.objects.get(pk=object_id)
if obj.question.endswith("?"):
actions.remove("question_mark")
return actions
admin.site.register(Poll, PollAdmin)
class CommentAdmin(DjangoObjectActions, admin.ModelAdmin):
# Object actions
################
def hodor(self, request, obj):
if not obj.comment:
# bail because we need a comment
return
obj.comment = " ".join(["hodor" for x in obj.comment.split()])
obj.save()
change_actions = ("hodor",)
admin.site.register(Comment, CommentAdmin)
class RelatedDataAdmin(DjangoObjectActions, admin.ModelAdmin):
# Object actions
################
def fill_up(self, request, obj):
if not obj.extra_data:
# bail because we need a comment
obj.extra_data = "hodor"
else:
obj.extra_data = ""
obj.save()
change_actions = ("fill_up",)
admin.site.register(RelatedData, RelatedDataAdmin)
support_admin = AdminSite(name="support")
support_admin.register(Poll, PollAdmin)
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