kopia lustrzana https://github.com/wagtail/wagtail
Refactor Snippets delete view to extend from generic DeleteView (#8346)
sage
GitHub
rodzic
06eba334fa
commit
809b840e17
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@ -1,38 +1,38 @@
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{% extends "wagtailadmin/base.html" %}
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{% load wagtailadmin_tags i18n %}
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{% block titletag %}
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{% if count == 1 %}
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{% blocktrans trimmed with snippet_type_name=model_opts.verbose_name %}Delete {{ snippet_type_name }}{% endblocktrans %} - {{ instances|first }}
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{% if objects|length == 1 %}
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{% blocktrans trimmed with snippet_type_name=model_opts.verbose_name %}Delete {{ snippet_type_name }}{% endblocktrans %} - {{ objects|first }}
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{% else %}
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{{ count }} {{ model_opts.verbose_name_plural|capfirst }}
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{{ objects|length }} {{ model_opts.verbose_name_plural|capfirst }}
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{% endif %}
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{% endblock %}
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{% block content %}
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{% trans "Delete " as delete_str %}
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{% if count == 1 %}
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{% include "wagtailadmin/shared/header.html" with title=delete_str subtitle=instances|first icon="snippet" %}
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{% if objects|length == 1 %}
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{% include "wagtailadmin/shared/header.html" with title=delete_str subtitle=objects|first icon="snippet" only %}
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{% else %}
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{% include "wagtailadmin/shared/header.html" with title=delete_str subtitle=model_opts.verbose_name_plural|capfirst icon="snippet" %}
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{% include "wagtailadmin/shared/header.html" with title=delete_str subtitle=model_opts.verbose_name_plural|capfirst icon="snippet" only %}
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{% endif %}
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<div class="nice-padding">
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{% if count == 1 %}
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{% if objects|length == 1 %}
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{% usage_count_enabled as uc_enabled %}
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{% if uc_enabled %}
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<div class="usagecount">
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<a href="{{ instances.0.usage_url }}">{% blocktrans trimmed count usage_count=instances.0.get_usage.count %}Used {{ usage_count }} time{% plural %}Used {{ usage_count }} times{% endblocktrans %}</a>
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<a href="{{ objects.0.usage_url }}">{% blocktrans trimmed count usage_count=objects.0.get_usage.count %}Used {{ usage_count }} time{% plural %}Used {{ usage_count }} times{% endblocktrans %}</a>
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</div>
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{% endif %}
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<p>{% blocktrans trimmed with snippet_type_name=model_opts.verbose_name %}Are you sure you want to delete this {{ snippet_type_name }}?{% endblocktrans %}</p>
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{% else %}
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<p>{% blocktrans trimmed with snippet_type_name=model_opts.verbose_name_plural %}Are you sure you want to delete {{ count }} {{ snippet_type_name }}?{% endblocktrans %}</p>
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<p>{% blocktrans trimmed with snippet_type_name=model_opts.verbose_name_plural count=objects|length %}Are you sure you want to delete {{ count }} {{ snippet_type_name }}?{% endblocktrans %}</p>
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<ul>
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{% for instance in instances %}
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{% for instance in objects %}
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<li>{{ instance }}</li>
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{% endfor %}
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</ul>
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{% endif %}
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<form action="{{ submit_url }}" method="POST">
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<form action="{{ action_url }}" method="POST">
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{% csrf_token %}
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<input type="submit" value="{% trans 'Yes, delete' %}" class="button serious" />
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<a href="{% if next %}{{ next }}{% else %}{% url 'wagtailsnippets:list' model_opts.app_label model_opts.model_name %}{% endif %}" class="button button-secondary">{% trans "No, don't delete" %}</a>
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@ -40,12 +40,12 @@ urlpatterns = [
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),
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path(
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"<slug:app_label>/<slug:model_name>/multiple/delete/",
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snippets.delete,
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snippets.Delete.as_view(),
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name="delete-multiple",
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),
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path(
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"<slug:app_label>/<slug:model_name>/delete/<str:pk>/",
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snippets.delete,
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snippets.Delete.as_view(),
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name="delete",
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),
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path(
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@ -20,7 +20,7 @@ from wagtail.admin import messages
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from wagtail.admin.forms.search import SearchForm
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from wagtail.admin.panels import ObjectList, extract_panel_definitions_from_model_class
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from wagtail.admin.ui.tables import Column, DateColumn, UserColumn
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from wagtail.admin.views.generic import CreateView, EditView, IndexView
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from wagtail.admin.views.generic import CreateView, DeleteView, EditView, IndexView
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from wagtail.log_actions import log
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from wagtail.log_actions import registry as log_registry
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from wagtail.models import Locale, TranslatableMixin
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@ -557,73 +557,121 @@ class Edit(EditView):
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return response
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def delete(request, app_label, model_name, pk=None):
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model = get_snippet_model_from_url_params(app_label, model_name)
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class Delete(DeleteView):
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template_name = "wagtailsnippets/snippets/confirm_delete.html"
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permission = get_permission_name("delete", model)
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if not request.user.has_perm(permission):
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raise PermissionDenied
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def _run_before_hooks(self):
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for fn in hooks.get_hooks("before_delete_snippet"):
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result = fn(self.request, self.objects)
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if hasattr(result, "status_code"):
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return result
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return None
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if pk:
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instances = [get_object_or_404(model, pk=unquote(pk))]
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else:
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ids = request.GET.getlist("id")
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instances = model.objects.filter(pk__in=ids)
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def _run_after_hooks(self):
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for fn in hooks.get_hooks("after_delete_snippet"):
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result = fn(self.request, self.objects)
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if hasattr(result, "status_code"):
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return result
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return None
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for fn in hooks.get_hooks("before_delete_snippet"):
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result = fn(request, instances)
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if hasattr(result, "status_code"):
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return result
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def setup(self, request, *args, app_label, model_name, pk=None, **kwargs):
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super().setup(request, *args, **kwargs)
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count = len(instances)
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self.app_label = app_label
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self.model_name = model_name
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self.pk = pk
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self.model = self._get_model()
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self.objects = self.get_objects()
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if request.method == "POST":
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def _get_model(self):
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return get_snippet_model_from_url_params(self.app_label, self.model_name)
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def dispatch(self, request, *args, **kwargs):
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permission = get_permission_name("delete", self.model)
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if not request.user.has_perm(permission):
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raise PermissionDenied
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hooks_result = self._run_before_hooks()
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if hooks_result is not None:
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return hooks_result
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return super().dispatch(request, *args, **kwargs)
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def get_object(self, queryset=None):
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# DeleteView requires either a pk kwarg or a positional arg, but we use
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# an `id` query param for multiple objects. We need to explicitly override
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# this so that we don't have to override `post()`.
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return None
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def get_objects(self):
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# Replaces get_object to allow returning multiple objects instead of just one
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if self.pk:
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return [get_object_or_404(self.model, pk=unquote(self.pk))]
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ids = self.request.GET.getlist("id")
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objects = self.model.objects.filter(pk__in=ids)
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return objects
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def get_delete_url(self):
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return (
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reverse(
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"wagtailsnippets:delete-multiple",
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args=(self.app_label, self.model_name),
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)
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+ "?"
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+ urlencode([("id", instance.pk) for instance in self.objects])
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)
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def get_success_url(self):
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return reverse("wagtailsnippets:list", args=[self.app_label, self.model_name])
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def get_success_message(self):
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count = len(self.objects)
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if count == 1:
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return _("%(snippet_type)s '%(instance)s' deleted.") % {
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"snippet_type": capfirst(self.model._meta.verbose_name),
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"instance": self.objects[0],
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}
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# This message is only used in plural form, but we'll define it with ngettext so that
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# languages with multiple plural forms can be handled correctly (or, at least, as
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# correctly as possible within the limitations of verbose_name_plural...)
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return ngettext(
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"%(count)d %(snippet_type)s deleted.",
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"%(count)d %(snippet_type)s deleted.",
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count,
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) % {
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"snippet_type": capfirst(self.model._meta.verbose_name_plural),
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"count": count,
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}
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def delete_action(self):
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with transaction.atomic():
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for instance in instances:
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for instance in self.objects:
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log(instance=instance, action="wagtail.delete")
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instance.delete()
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if count == 1:
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message_content = _("%(snippet_type)s '%(instance)s' deleted.") % {
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"snippet_type": capfirst(model._meta.verbose_name),
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"instance": instance,
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}
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else:
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# This message is only used in plural form, but we'll define it with ngettext so that
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# languages with multiple plural forms can be handled correctly (or, at least, as
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# correctly as possible within the limitations of verbose_name_plural...)
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message_content = ngettext(
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"%(count)d %(snippet_type)s deleted.",
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"%(count)d %(snippet_type)s deleted.",
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count,
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) % {
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"snippet_type": capfirst(model._meta.verbose_name_plural),
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"count": count,
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def get_context_data(self, **kwargs):
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context = super().get_context_data(**kwargs)
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context.update(
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{
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"model_opts": self.model._meta,
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"objects": self.objects,
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"action_url": self.get_delete_url(),
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}
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)
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return context
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messages.success(request, message_content)
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def form_valid(self, form):
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response = super().form_valid(form)
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for fn in hooks.get_hooks("after_delete_snippet"):
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result = fn(request, instances)
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if hasattr(result, "status_code"):
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return result
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hooks_result = self._run_after_hooks()
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if hooks_result is not None:
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return hooks_result
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return redirect("wagtailsnippets:list", app_label, model_name)
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return TemplateResponse(
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request,
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"wagtailsnippets/snippets/confirm_delete.html",
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{
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"model_opts": model._meta,
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"count": count,
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"instances": instances,
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"submit_url": (
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reverse("wagtailsnippets:delete-multiple", args=(app_label, model_name))
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+ "?"
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+ urlencode([("id", instance.pk) for instance in instances])
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),
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},
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)
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return response
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class Usage(IndexView):
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