JakeBreath
ebac3ac922
Roles: - JakeBreathild is now staff + superuser (the real account); the 'jake' smoke-test account was demoted to a regular user - /me exposes is_superuser and the account page shows an admin badge e621 metadata: - MediaItem gains e621_post_id and e621_data (trimmed post payload: tags by category, rating, score, favourites, comments, sources, description, pools, relationships, file info, uploader) - Download to Library accepts the post payload from the SPA and stores it; the item's custom rating is seeded from the e621 rating when empty - Library detail shows an e621 metadata card: link to the in-app post, score/favourites/comments, taxonomy-coloured tags, DText description, sources and pools; grid cards get an e621 badge and fall back to the e621 rating for their colour (display_rating) - Guest visibility now also considers e621 tags, so downloaded explicit content is hidden from anonymous visitors
272 lines
10 KiB
Python
272 lines
10 KiB
Python
import re
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from pathlib import Path
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from urllib.parse import urlparse
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from django.conf import settings
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from django.db.models import Min
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from django.http import Http404
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from django.shortcuts import get_object_or_404
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from rest_framework import mixins, status, viewsets
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from rest_framework.decorators import action
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from rest_framework.parsers import FormParser, MultiPartParser
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from rest_framework.permissions import AllowAny, IsAuthenticatedOrReadOnly
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from rest_framework.response import Response
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from rest_framework.views import APIView
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from . import services
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from .models import MediaItem
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from .permissions import CanUpload, IsUploaderOrStaffOrReadOnly
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from .serializers import MediaItemSerializer
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LIST_ORDERINGS = {"name", "-name", "size", "-size", "created_at", "-created_at"}
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MD5_RE = re.compile(r"[0-9a-fA-F]{32}")
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class MediaItemViewSet(
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mixins.ListModelMixin,
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mixins.RetrieveModelMixin,
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mixins.UpdateModelMixin,
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viewsets.GenericViewSet,
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):
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serializer_class = MediaItemSerializer
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permission_classes = [IsAuthenticatedOrReadOnly, IsUploaderOrStaffOrReadOnly]
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http_method_names = ["get", "post", "patch", "head", "options"]
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def get_queryset(self):
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queryset = MediaItem.objects.prefetch_related("locations").annotate(
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name=Min("locations__rel_path")
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)
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if not self.request.user.is_authenticated:
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queryset = queryset.filter(hidden_from_guests=False)
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search = self.request.query_params.get("search", "").strip()
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if search:
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queryset = queryset.filter(locations__rel_path__icontains=search)
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ratings = [
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value
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for value in self.request.query_params.get("rating", "").split(",")
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if value in {"s", "q", "e"}
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]
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if ratings:
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queryset = queryset.filter(rating__in=ratings)
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ordering = self.request.query_params.get("ordering", "").strip()
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queryset = queryset.order_by(
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ordering if ordering in LIST_ORDERINGS else "-created_at"
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)
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return queryset.distinct()
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def get_object(self):
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"""Resolve J-<id>, a bare numeric id, or an MD5 fingerprint."""
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value = str(self.kwargs.get("pk", "")).strip()
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queryset = self.get_queryset()
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if MD5_RE.fullmatch(value):
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obj = get_object_or_404(queryset, md5=value.lower())
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else:
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numeric = value[2:] if value.upper().startswith("J-") else value
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if not numeric.isdigit():
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raise Http404
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obj = get_object_or_404(queryset, pk=int(numeric))
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self.check_object_permissions(self.request, obj)
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return obj
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@action(detail=True, methods=["get"])
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def raw(self, request, pk=None):
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item = self.get_object()
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location = item.locations.first()
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if location is None:
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return Response(
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{"detail": "No file for this item."},
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status=status.HTTP_404_NOT_FOUND,
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)
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return services.serve_file(
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request, location.path, download=request.query_params.get("download") == "1"
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)
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@action(detail=True, methods=["get"])
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def thumbnail(self, request, pk=None):
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item = self.get_object()
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location = item.locations.first()
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if location is None:
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return Response(
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{"detail": "No file for this item."},
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status=status.HTTP_404_NOT_FOUND,
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)
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path = Path(location.path)
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if path.suffix.lower() in services.VIDEO_EXTENSIONS:
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thumbnail = services.generate_video_thumbnail(item.md5, path)
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if thumbnail is None:
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return Response(
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{"detail": "Thumbnail unavailable."},
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status=status.HTTP_404_NOT_FOUND,
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)
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return services.serve_file(request, thumbnail)
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return services.serve_file(request, path)
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@action(detail=False, methods=["post"], permission_classes=[AllowAny])
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def lookup(self, request):
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"""Report which of the given MD5s exist in the library."""
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md5s = request.data.get("md5s")
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if not isinstance(md5s, list):
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return Response(
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{"detail": "md5s must be a list."},
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status=status.HTTP_400_BAD_REQUEST,
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)
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wanted = {str(value).strip().lower()[:32] for value in md5s if value}
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queryset = MediaItem.objects.filter(md5__in=wanted)
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if not request.user.is_authenticated:
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queryset = queryset.filter(hidden_from_guests=False)
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rows = list(queryset.values_list("md5", "id"))
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return Response(
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{
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"found": sorted(md5 for md5, _ in rows),
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"j_ids": {md5: f"J-{item_id}" for md5, item_id in rows},
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}
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)
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@action(detail=True, methods=["get"])
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def neighbors(self, request, pk=None):
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"""Previous/next items in the ordered list, for keyboard navigation."""
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item = self.get_object()
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ordering = request.query_params.get("ordering", "-created_at").strip()
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if ordering not in LIST_ORDERINGS:
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ordering = "-created_at"
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field = ordering.lstrip("-")
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descending = ordering.startswith("-")
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value = {
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"size": item.size,
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"created_at": item.created_at,
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"name": item.name,
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}[field]
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queryset = self.get_queryset().exclude(pk=item.pk)
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if descending:
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previous_query = queryset.filter(**{f"{field}__gt": value}).order_by(field)
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next_query = queryset.filter(**{f"{field}__lt": value}).order_by(f"-{field}")
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else:
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previous_query = queryset.filter(**{f"{field}__lt": value}).order_by(
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f"-{field}"
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)
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next_query = queryset.filter(**{f"{field}__gt": value}).order_by(field)
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def brief(obj):
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location = obj.locations.first()
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return {
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"j_id": f"J-{obj.id}",
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"md5": obj.md5,
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"filename": Path(location.rel_path).name if location else obj.md5,
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}
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previous = previous_query.first()
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next_item = next_query.first()
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return Response(
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{
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"previous": brief(previous) if previous else None,
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"next": brief(next_item) if next_item else None,
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}
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)
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class UploadView(APIView):
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permission_classes = [CanUpload]
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parser_classes = [MultiPartParser, FormParser]
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def post(self, request):
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upload = request.FILES.get("file")
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if upload is None:
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return Response(
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{"detail": "A file is required."}, status=status.HTTP_400_BAD_REQUEST
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)
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folder = Path(settings.WATCHED_FOLDER)
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destination = services.unique_destination(folder, upload.name)
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with open(destination, "wb") as output:
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for chunk in upload.chunks():
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output.write(chunk)
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try:
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item, created_item, _ = services.index_file(destination, folder)
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except Exception as exc: # noqa: BLE001 - report indexing failures
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destination.unlink(missing_ok=True)
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return Response(
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{"detail": f"Could not index upload: {exc}"},
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status=status.HTTP_400_BAD_REQUEST,
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)
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update_fields = []
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if created_item and item.uploaded_by_id is None:
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item.uploaded_by = request.user
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update_fields.append("uploaded_by")
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rating = request.data.get("rating") or ""
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if rating in {"s", "q", "e"} and item.rating != rating:
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item.rating = rating
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update_fields.append("rating")
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tags = services.parse_tags(request.data.get("tags"))
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if tags is not None:
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item.tags = tags
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update_fields.append("tags")
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notes = request.data.get("notes")
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if notes is not None:
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item.notes = str(notes)
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update_fields.append("notes")
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if update_fields:
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item.save(update_fields=update_fields + ["updated_at"])
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return Response(
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MediaItemSerializer(item, context={"request": request}).data,
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status=status.HTTP_201_CREATED,
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)
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class DownloadToLibraryView(APIView):
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"""Fetch an e621 file into the watched folder and index it."""
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permission_classes = [CanUpload]
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def post(self, request):
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url = str(request.data.get("url") or "").strip()
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post_id = request.data.get("post_id")
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filename = str(request.data.get("filename") or "").strip()
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post_payload = request.data.get("post")
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if not url.startswith(("http://", "https://")):
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return Response(
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{"detail": "A valid file URL is required."},
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status=status.HTTP_400_BAD_REQUEST,
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)
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folder = Path(settings.WATCHED_FOLDER)
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name = (
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filename
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or Path(urlparse(url).path).name
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or f"post-{post_id or 'download'}"
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)
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destination = services.unique_destination(folder, name)
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try:
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services.download_file(url, destination)
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item, _, _ = services.index_file(destination, folder)
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except Exception as exc: # noqa: BLE001 - report download failures
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destination.unlink(missing_ok=True)
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return Response(
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{"detail": f"Download failed: {exc}"},
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status=status.HTTP_400_BAD_REQUEST,
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)
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update_fields = []
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if item.uploaded_by_id is None:
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item.uploaded_by = request.user
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update_fields.append("uploaded_by")
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trimmed = services.trim_e621_post(post_payload)
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if trimmed is not None:
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if trimmed.get("id") is not None:
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item.e621_post_id = int(trimmed["id"])
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elif post_id and str(post_id).isdigit():
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item.e621_post_id = int(post_id)
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item.e621_data = trimmed
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update_fields += ["e621_post_id", "e621_data"]
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if not item.rating and trimmed.get("rating") in {"s", "q", "e"}:
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item.rating = trimmed["rating"]
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update_fields.append("rating")
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if update_fields:
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item.save(update_fields=update_fields + ["updated_at"])
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return Response(
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MediaItemSerializer(item, context={"request": request}).data,
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status=status.HTTP_201_CREATED,
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)
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