/
imprint_sbs_view.py
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/
imprint_sbs_view.py
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from __future__ import annotations
import logging
from typing import TYPE_CHECKING
from django.contrib import messages
from django.http import Http404
from django.shortcuts import redirect, render
from django.urls import reverse
from django.utils.decorators import method_decorator
from django.utils.translation import gettext_lazy as _
from django.views.generic import TemplateView
from ...decorators import permission_required
from ...forms import ImprintTranslationForm
from ...models import ImprintPage, Language
from ..media.media_context_mixin import MediaContextMixin
from .imprint_context_mixin import ImprintContextMixin
if TYPE_CHECKING:
from typing import Any
from django.http import HttpRequest, HttpResponse
logger = logging.getLogger(__name__)
@method_decorator(permission_required("cms.view_imprintpage"), name="dispatch")
@method_decorator(permission_required("cms.change_imprintpage"), name="post")
class ImprintSideBySideView(TemplateView, ImprintContextMixin, MediaContextMixin):
"""
View for the imprint side by side form
"""
#: The template to render (see :class:`~django.views.generic.base.TemplateResponseMixin`)
template_name = "imprint/imprint_sbs.html"
def get_context_data(self, **kwargs: Any) -> dict[str, Any]:
r"""
Returns a dictionary representing the template context
(see :meth:`~django.views.generic.base.ContextMixin.get_context_data`).
:param \**kwargs: The given keyword arguments
:return: The template context
"""
context = super().get_context_data(**kwargs)
context.update(
{
"back_url": reverse(
"dashboard",
kwargs={
"region_slug": kwargs["region_slug"],
},
)
}
)
return context
def get(self, request: HttpRequest, *args: Any, **kwargs: Any) -> HttpResponse:
r"""
Render :class:`~integreat_cms.cms.forms.imprint.imprint_translation_form.ImprintTranslationForm` on the side by side view
:param request: The current request
:param \*args: The supplied arguments
:param \**kwargs: The supplied keyword arguments
:raises ~django.http.Http404: If no imprint exists for the region
:return: The rendered template response
"""
region = request.region
try:
imprint = region.imprint
except ImprintPage.DoesNotExist as e:
raise Http404 from e
disabled = False
# Make form disabled if user has no permission to manage the imprint
if not request.user.has_perm("cms.change_imprintpage"):
disabled = True
messages.warning(
request, _("You don't have the permission to edit the imprint.")
)
target_language = Language.objects.get(slug=kwargs.get("language_slug"))
source_language_node = region.language_tree_nodes.get(
language=target_language
).parent
if source_language_node:
source_language = source_language_node.language
else:
messages.error(
request,
_(
"You cannot use the side-by-side-view for the region's default language (in this case {default_language})."
).format(default_language=target_language.translated_name),
)
return redirect(
"edit_imprint",
**{
"region_slug": region.slug,
"language_slug": target_language.slug,
},
)
source_imprint_translation = imprint.get_translation(source_language.slug)
target_imprint_translation = imprint.get_translation(target_language.slug)
if not source_imprint_translation:
messages.error(
request,
_(
"You cannot use the side-by-side-view if the source translation (in this case {source_language}) does not exist."
).format(source_language=source_language.translated_name),
)
return redirect(
"edit_imprint",
**{
"region_slug": region.slug,
"language_slug": target_language.slug,
},
)
imprint_translation_form = ImprintTranslationForm(
instance=target_imprint_translation, disabled=disabled
)
old_translation_content = get_old_source_content(
imprint, source_language_node.language, target_language
)
return render(
request,
self.template_name,
{
**self.get_context_data(**kwargs),
"imprint_translation_form": imprint_translation_form,
"source_imprint_translation": source_imprint_translation,
"target_language": target_language,
"old_translation_content": old_translation_content,
},
)
def post(self, request: HttpRequest, *args: Any, **kwargs: Any) -> HttpResponse:
r"""
Submit :class:`~integreat_cms.cms.forms.imprint.imprint_translation_form.ImprintTranslationForm` and save
:class:`~integreat_cms.cms.models.pages.imprint_page_translation.ImprintPageTranslation` object
:param request: The current request
:param \*args: The supplied arguments
:param \**kwargs: The supplied keyword arguments
:raises ~django.http.Http404: If no imprint exists for the region
:return: The rendered template response
"""
region = request.region
try:
imprint = region.imprint
except ImprintPage.DoesNotExist as e:
raise Http404 from e
target_language = Language.objects.get(slug=kwargs.get("language_slug"))
source_language_node = region.language_tree_nodes.get(
language=target_language
).parent
if source_language_node:
source_imprint_translation = imprint.get_translation(
source_language_node.language.slug
)
else:
messages.error(
request,
_(
"You cannot use the side-by-side-view for the region's default language (in this case {default_language})."
).format(default_language=target_language.translated_name),
)
return redirect(
"edit_imprint",
**{
"region_slug": region.slug,
"language_slug": target_language.slug,
},
)
imprint_translation_instance = imprint.get_translation(target_language.slug)
if not source_imprint_translation:
messages.error(
request,
_(
"You cannot use the side-by-side-view if the source translation (in this case {source_language}) does not exist."
).format(source_language=source_language_node.language.translated_name),
)
return redirect(
"edit_imprint",
**{
"region_slug": region.slug,
"language_slug": target_language.slug,
},
)
imprint_translation_form = ImprintTranslationForm(
data=request.POST,
instance=imprint_translation_instance,
additional_instance_attributes={
"page": imprint,
"creator": request.user,
"language": target_language,
},
)
if not imprint_translation_form.is_valid():
# Add error messages
imprint_translation_form.add_error_messages(request)
elif not imprint_translation_form.has_changed():
# Add "no changes" messages
messages.info(request, _("No changes made"))
else:
# Save form
imprint_translation_form.save()
# Add the success message
imprint_translation_form.add_success_message(request)
return redirect(
"sbs_edit_imprint",
**{
"region_slug": region.slug,
"language_slug": target_language.slug,
},
)
old_translation_content = get_old_source_content(
imprint, source_language_node.language, target_language
)
return render(
request,
self.template_name,
{
**self.get_context_data(**kwargs),
"imprint_translation_form": imprint_translation_form,
"source_imprint_translation": source_imprint_translation,
"target_language": target_language,
"old_translation_content": old_translation_content,
},
)
def get_old_source_content(
imprint: ImprintPage, source_language: Language, target_language: Language
) -> str:
"""
This function returns the content of the source language translation that was up to date when the latest (no minor edit)
target language translation was created.
:param imprint: The imprint
:param source_language: The source language of the imprint
:param target_language: The target language of the imprint
:return: The content of the translation
"""
# For the text diff, use the latest source translation that was created before the latest no minor edit target translation
if major_target_imprint_translation := imprint.translations.filter(
language__slug=target_language.slug, minor_edit=False
).first():
if source_previous_translation := (
imprint.translations.filter(
language=source_language,
last_updated__lte=major_target_imprint_translation.last_updated,
)
.order_by("-last_updated")
.first()
):
return source_previous_translation.content
return ""