Phase 3: Django-natives DMS – Paperless-NGX durch DokumentDatei ersetzt
- Neues Modell DokumentDatei mit PostgreSQL FTS (SearchVectorField, GinIndex) - Upload-Pfad: dokumente/YYYY/MM/<uuid>/dateiname - 7 DMS-Views: list, detail, download, upload (HTMX Drag&Drop), delete, edit, search_api - Templates: list, detail, edit, upload mit Drag&Drop-Zone, Partials - URLs: /dms/ komplett verdrahtet - Sidebar: DMS als Primäreintrag, Paperless als Legacy - Migrationsskript: manage.py migrate_paperless_dokumente (DokumentLink → DokumentDatei) - compose.yml: paperless-Dienst deaktiviert (Legacy-Kommentarblock) - Migration 0048 angewendet Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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app/stiftung/views/dms.py
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252
app/stiftung/views/dms.py
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# views/dms.py
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# Phase 3: Django-natives DMS – Dokumentenverwaltung ohne Paperless-NGX
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import os
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from datetime import date
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from django.contrib import messages
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from django.contrib.auth.decorators import login_required
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from django.contrib.postgres.search import SearchQuery, SearchRank
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from django.core.paginator import Paginator
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from django.http import FileResponse, Http404, JsonResponse
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from django.shortcuts import get_object_or_404, redirect, render
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from django.utils import timezone
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from django.views.decorators.http import require_POST
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from stiftung.models import (
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Destinataer, DokumentDatei, Foerderung, Land, LandVerpachtung, Paechter, Rentmeister
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)
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# ---------------------------------------------------------------------------
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# Hilfsfunktionen
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# ---------------------------------------------------------------------------
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def _save_upload(request, instance: DokumentDatei):
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"""Speichert Upload-Metadaten (Dateityp, Größe, FTS)."""
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if instance.datei:
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f = instance.datei
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instance.dateiname_original = os.path.basename(f.name)
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instance.dateityp = getattr(f, "content_type", "") or ""
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instance.dateigroesse = f.size if hasattr(f, "size") else 0
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instance.erstellt_von = request.user
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instance.save()
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instance.update_suchvektor()
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# ---------------------------------------------------------------------------
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# DMS Hauptseiten
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# ---------------------------------------------------------------------------
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@login_required
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def dms_list(request):
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"""Dokumenten-Übersicht mit Filter und Suche."""
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q = request.GET.get("q", "").strip()
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kontext_filter = request.GET.get("kontext", "")
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entity_filter = request.GET.get("entity", "") # z.B. "destinataer"
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entity_id = request.GET.get("entity_id", "")
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qs = DokumentDatei.objects.select_related(
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"destinataer", "land", "paechter", "verpachtung", "erstellt_von"
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)
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# Volltextsuche
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if q:
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search_query = SearchQuery(q, config="german")
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qs = qs.annotate(rank=SearchRank("suchvektor", search_query)).filter(
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rank__gt=0.01
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).order_by("-rank")
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else:
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qs = qs.order_by("-erstellt_am")
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if kontext_filter:
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qs = qs.filter(kontext=kontext_filter)
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if entity_filter == "destinataer" and entity_id:
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qs = qs.filter(destinataer_id=entity_id)
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elif entity_filter == "land" and entity_id:
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qs = qs.filter(land_id=entity_id)
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elif entity_filter == "paechter" and entity_id:
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qs = qs.filter(paechter_id=entity_id)
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elif entity_filter == "verpachtung" and entity_id:
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qs = qs.filter(verpachtung_id=entity_id)
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paginator = Paginator(qs, 25)
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page_obj = paginator.get_page(request.GET.get("page"))
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context = {
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"page_obj": page_obj,
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"q": q,
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"kontext_filter": kontext_filter,
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"kontext_choices": DokumentDatei.KONTEXT_CHOICES,
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"gesamt": qs.count() if not q else paginator.count,
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}
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return render(request, "stiftung/dms/list.html", context)
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@login_required
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def dms_detail(request, pk):
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"""Dokument-Detailseite mit Download-Link."""
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dok = get_object_or_404(DokumentDatei, pk=pk)
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context = {"dok": dok}
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return render(request, "stiftung/dms/detail.html", context)
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@login_required
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def dms_download(request, pk):
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"""Direkter Datei-Download."""
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dok = get_object_or_404(DokumentDatei, pk=pk)
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if not dok.datei or not dok.datei.storage.exists(dok.datei.name):
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raise Http404("Datei nicht gefunden.")
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response = FileResponse(
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dok.datei.open("rb"),
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as_attachment=True,
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filename=dok.dateiname_original or os.path.basename(dok.datei.name),
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)
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return response
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@login_required
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def dms_upload(request):
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"""HTMX-Drag&Drop-Upload – unterstützt normale POST-Anfragen und HTMX-Requests."""
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# Pre-fill entity links from GET params
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initial = {
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"destinataer_id": request.GET.get("destinataer", ""),
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"land_id": request.GET.get("land", ""),
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"paechter_id": request.GET.get("paechter", ""),
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"verpachtung_id": request.GET.get("verpachtung", ""),
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"kontext": request.GET.get("kontext", "anderes"),
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}
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if request.method == "POST":
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datei = request.FILES.get("datei")
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titel = request.POST.get("titel", "").strip()
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beschreibung = request.POST.get("beschreibung", "").strip()
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kontext = request.POST.get("kontext", "anderes")
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if not datei:
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if request.htmx:
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return JsonResponse({"error": "Keine Datei übermittelt."}, status=400)
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messages.error(request, "Bitte eine Datei auswählen.")
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else:
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if not titel:
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titel = os.path.splitext(datei.name)[0][:255]
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dok = DokumentDatei(
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titel=titel,
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beschreibung=beschreibung,
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kontext=kontext,
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datei=datei,
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)
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# Entity links
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dest_id = request.POST.get("destinataer_id", "").strip()
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land_id = request.POST.get("land_id", "").strip()
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paechter_id = request.POST.get("paechter_id", "").strip()
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verp_id = request.POST.get("verpachtung_id", "").strip()
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if dest_id:
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try:
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dok.destinataer_id = dest_id
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except Exception:
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pass
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if land_id:
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try:
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dok.land_id = land_id
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except Exception:
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pass
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if paechter_id:
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try:
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dok.paechter_id = paechter_id
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except Exception:
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pass
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if verp_id:
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try:
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dok.verpachtung_id = verp_id
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except Exception:
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pass
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_save_upload(request, dok)
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if request.htmx:
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return render(request, "stiftung/dms/partials/upload_success.html", {"dok": dok})
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messages.success(request, f'Dokument \u201e{dok.titel}\u201c erfolgreich hochgeladen.')
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return redirect("stiftung:dms_detail", pk=dok.pk)
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# GET: zeige Upload-Formular
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destinataere = Destinataer.objects.filter(aktiv=True).order_by("nachname", "vorname")
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laendereien = Land.objects.filter(aktiv=True).order_by("lfd_nr")
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paechter_qs = Paechter.objects.filter(aktiv=True).order_by("nachname")
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context = {
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"initial": initial,
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"kontext_choices": DokumentDatei.KONTEXT_CHOICES,
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"destinataere": destinataere,
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"laendereien": laendereien,
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"paechter_qs": paechter_qs,
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}
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return render(request, "stiftung/dms/upload.html", context)
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@login_required
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@require_POST
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def dms_delete(request, pk):
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"""Löscht ein Dokument inkl. Datei."""
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dok = get_object_or_404(DokumentDatei, pk=pk)
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titel = dok.titel
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# Datei physisch löschen
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if dok.datei:
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try:
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dok.datei.delete(save=False)
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except Exception:
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pass
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dok.delete()
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messages.success(request, f'Dokument \u201e{titel}\u201c gel\u00f6scht.')
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next_url = request.POST.get("next") or "stiftung:dms_list"
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if next_url.startswith("/"):
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return redirect(next_url)
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return redirect(next_url)
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@login_required
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def dms_search_api(request):
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"""HTMX-Suche: gibt gerendertes Partial mit Suchergebnissen zurück."""
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q = request.GET.get("q", "").strip()
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if not q:
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return render(request, "stiftung/dms/partials/search_results.html", {"results": []})
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search_query = SearchQuery(q, config="german")
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results = (
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DokumentDatei.objects.annotate(rank=SearchRank("suchvektor", search_query))
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.filter(rank__gt=0.01)
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.select_related("destinataer", "land")
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.order_by("-rank")[:20]
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)
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return render(
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request,
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"stiftung/dms/partials/search_results.html",
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{"results": results, "q": q},
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)
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@login_required
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def dms_edit(request, pk):
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"""Bearbeite Metadaten eines Dokuments (kein Datei-Austausch)."""
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dok = get_object_or_404(DokumentDatei, pk=pk)
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if request.method == "POST":
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dok.titel = request.POST.get("titel", dok.titel).strip()[:255]
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dok.beschreibung = request.POST.get("beschreibung", "").strip()
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dok.kontext = request.POST.get("kontext", dok.kontext)
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dok.save()
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dok.update_suchvektor()
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messages.success(request, "Metadaten gespeichert.")
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return redirect("stiftung:dms_detail", pk=dok.pk)
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context = {
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"dok": dok,
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"kontext_choices": DokumentDatei.KONTEXT_CHOICES,
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}
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return render(request, "stiftung/dms/edit.html", context)
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