289 lines
9.2 KiB
Python
289 lines
9.2 KiB
Python
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from django.core.paginator import Paginator
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from django.shortcuts import get_object_or_404, redirect, render
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from django.urls import reverse
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from django.utils.text import capfirst
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from django.utils.translation import gettext as _
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from django.views.decorators.vary import vary_on_headers
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from wagtail.admin import messages
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from wagtail.admin.admin_url_finder import AdminURLFinder
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from wagtail.admin.auth import PermissionPolicyChecker, permission_denied
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from wagtail.admin.forms.search import SearchForm
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from wagtail.admin.models import popular_tags_for_model
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from wagtail.models import Collection, Page
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from wagtail.search.backends import get_search_backends
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from wagtailmedia.forms import get_media_form
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from wagtailmedia.models import get_media_model
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from wagtailmedia.permissions import permission_policy
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from wagtailmedia.utils import paginate
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permission_checker = PermissionPolicyChecker(permission_policy)
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@permission_checker.require_any("add", "change", "delete")
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@vary_on_headers("X-Requested-With")
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def index(request):
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Media = get_media_model()
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# Get media files (filtered by user permission)
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media = permission_policy.instances_user_has_any_permission_for(
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request.user, ["change", "delete"]
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)
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# Ordering
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if request.GET.get("ordering") in ["title", "-title", "-created_at", "created_at"]:
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ordering = request.GET["ordering"]
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else:
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ordering = "-created_at"
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media = media.order_by(ordering)
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# Filter by collection
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current_collection = None
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collection_id = request.GET.get("collection_id")
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if collection_id:
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try:
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current_collection = Collection.objects.get(id=collection_id)
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media = media.filter(collection=current_collection)
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except (ValueError, Collection.DoesNotExist):
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pass
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# Search
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query_string = ""
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if "q" in request.GET and request.GET.get("q").strip():
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form = SearchForm(request.GET, placeholder=_("Search media files"))
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if form.is_valid():
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query_string = form.cleaned_data["q"]
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media = media.search(query_string)
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else:
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form = SearchForm(placeholder=_("Search media"))
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# Filter by tag
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if current_tag := request.GET.get("tag"):
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try:
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media = media.filter(tags__name=current_tag)
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except AttributeError:
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current_tag = None
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# Pagination
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paginator, media = paginate(request, media)
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collections = permission_policy.collections_user_has_any_permission_for(
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request.user, ["add", "change"]
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)
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if len(collections) < 2:
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collections = None
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# Create response
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if request.headers.get("x-requested-with") == "XMLHttpRequest":
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return render(
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request,
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"wagtailmedia/media/results.html",
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{
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"ordering": ordering,
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"media_files": media,
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"query_string": query_string,
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"is_searching": bool(query_string),
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"collections": collections,
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},
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)
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else:
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return render(
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request,
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"wagtailmedia/media/index.html",
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{
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"ordering": ordering,
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"media_files": media,
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"query_string": query_string,
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"is_searching": bool(query_string),
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"search_form": form,
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"popular_tags": popular_tags_for_model(Media),
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"current_tag": current_tag,
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"user_can_add": permission_policy.user_has_permission(
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request.user, "add"
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),
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"collections": collections,
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"current_collection": current_collection,
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},
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)
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@permission_checker.require("add")
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def add(request, media_type):
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Media = get_media_model()
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MediaForm = get_media_form(Media)
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if request.method == "POST":
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media = Media(uploaded_by_user=request.user, type=media_type)
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form = MediaForm(request.POST, request.FILES, instance=media, user=request.user)
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if form.is_valid():
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form.save()
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# Reindex the media entry to make sure all tags are indexed
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for backend in get_search_backends():
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backend.add(media)
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messages.success(
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request,
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_("Media file '{0}' added.").format(media.title),
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buttons=[
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messages.button(
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reverse("wagtailmedia:edit", args=(media.id,)), _("Edit")
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)
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],
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)
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return redirect("wagtailmedia:index")
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else:
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messages.error(
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request, _("The media file could not be saved due to errors.")
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)
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else:
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media = Media(uploaded_by_user=request.user, type=media_type)
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form = MediaForm(user=request.user, instance=media)
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return render(
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request,
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"wagtailmedia/media/add.html",
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{
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"form": form,
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"media_type": media_type,
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},
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)
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@permission_checker.require("change")
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def edit(request, media_id):
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Media = get_media_model()
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MediaForm = get_media_form(Media)
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media = get_object_or_404(Media, id=media_id)
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if not permission_policy.user_has_permission_for_instance(
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request.user, "change", media
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):
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return permission_denied(request)
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if request.method == "POST":
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original_file = media.file
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form = MediaForm(request.POST, request.FILES, instance=media, user=request.user)
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if form.is_valid():
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if "file" in form.changed_data:
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# if providing a new media file, delete the old one.
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# NB Doing this via original_file.delete() clears the file field,
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# which definitely isn't what we want...
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original_file.storage.delete(original_file.name)
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media = form.save()
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# Reindex the media entry to make sure all tags are indexed
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for backend in get_search_backends():
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backend.add(media)
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messages.success(
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request,
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_("Media file '{0}' updated").format(media.title),
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buttons=[
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messages.button(
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reverse("wagtailmedia:edit", args=(media.id,)), _("Edit")
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)
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],
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)
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return redirect("wagtailmedia:index")
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else:
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messages.error(request, _("The media could not be saved due to errors."))
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else:
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form = MediaForm(instance=media, user=request.user)
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filesize = None
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# Get file size when there is a file associated with the Media object
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if media.file:
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try:
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filesize = media.file.size
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except OSError:
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# File doesn't exist
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pass
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if not filesize:
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messages.error(
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request,
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_(
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"The file could not be found. Please change the source or delete the media file"
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),
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buttons=[
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messages.button(
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reverse("wagtailmedia:delete", args=(media.id,)), _("Delete")
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)
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],
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)
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return render(
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request,
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"wagtailmedia/media/edit.html",
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{
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"media": media,
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"filesize": filesize,
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"form": form,
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"user_can_delete": permission_policy.user_has_permission_for_instance(
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request.user, "delete", media
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),
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},
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)
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@permission_checker.require("delete")
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def delete(request, media_id):
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Media = get_media_model()
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media = get_object_or_404(Media, id=media_id)
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if not permission_policy.user_has_permission_for_instance(
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request.user, "delete", media
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):
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return permission_denied(request)
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if request.method == "POST":
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media.delete()
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messages.success(request, _("Media file '{0}' deleted.").format(media.title))
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return redirect("wagtailmedia:index")
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return render(
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request,
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"wagtailmedia/media/confirm_delete.html",
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{
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"media": media,
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},
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)
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@permission_checker.require_any("add", "change", "delete")
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def usage(request, media_id):
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Media = get_media_model()
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media_item = get_object_or_404(Media, id=media_id)
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paginator = Paginator(media_item.get_usage(), per_page=20)
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object_page = paginator.get_page(request.GET.get("p"))
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# Add edit URLs to each source object
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url_finder = AdminURLFinder(request.user)
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results = []
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for entity, references in object_page:
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edit_url = url_finder.get_edit_url(entity)
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if edit_url is None:
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label = _("(Private %s)") % entity._meta.verbose_name
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edit_link_title = None
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else:
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label = str(entity)
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edit_link_title = _("Edit this %s") % entity._meta.verbose_name
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if isinstance(entity, Page):
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verbose_name = capfirst(entity.specific_class._meta.verbose_name)
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else:
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verbose_name = capfirst(entity._meta.verbose_name)
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results.append((label, edit_url, edit_link_title, verbose_name, references))
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return render(
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request,
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"wagtailmedia/media/usage.html",
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{"media_item": media_item, "results": results, "object_page": object_page},
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)
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