src/catalogue/views.py

   1 # This file is part of FNP-Redakcja, licensed under GNU Affero GPLv3 or later.
   2 # Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
   3 #
   4 from django.apps import apps
   5 from django.db.models import Prefetch
   6 from django.http import Http404
   7 from django.urls import reverse
   8 from django.utils.formats import localize_input
   9 from django.contrib.auth.decorators import login_required
  10 from django.contrib.auth.models import User
  11 from django.shortcuts import get_object_or_404, redirect
  12 from django.views.decorators.http import require_POST
  13 from django.views.generic import DetailView, TemplateView
  14 import apiclient
  15 from . import models
  16 import documents.models
  17 from rest_framework.generics import ListAPIView, RetrieveAPIView
  18 from rest_framework.filters import SearchFilter
  19 from rest_framework.permissions import IsAdminUser
  20 from rest_framework.response import Response
  21 from rest_framework.views import APIView
  22 from rest_framework import serializers
  23
  24
  25 class CatalogueView(TemplateView):
  26     template_name = "catalogue/catalogue.html"
  27
  28     def get_context_data(self):
  29         ctx = super().get_context_data()
  30         ctx["authors"] = models.Author.objects.all().prefetch_related('book_set__book_set', 'translated_book_set__book_set')
  31
  32         return ctx
  33
  34
  35 class AuthorView(TemplateView):
  36     model = models.Author
  37     template_name = "catalogue/author_detail.html"
  38
  39     def get_context_data(self, slug):
  40         ctx = super().get_context_data()
  41         authors = models.Author.objects.filter(slug=slug).prefetch_related(
  42             Prefetch("book_set"),
  43             Prefetch("translated_book_set"),
  44         )
  45         ctx["author"] = authors.first()
  46         return ctx
  47
  48
  49 class BookView(DetailView):
  50     model = models.Book
  51
  52 class BookAPIView(RetrieveAPIView):
  53     queryset = models.Book.objects.all()
  54     lookup_field = 'slug'
  55
  56     class serializer_class(serializers.ModelSerializer):
  57         class AuthorSerializer(serializers.ModelSerializer):
  58             literal = serializers.CharField(source='name')
  59
  60             class Meta:
  61                 model = models.Author
  62                 fields = ['literal']
  63
  64         def category_serializer(m):
  65             class CategorySerializer(serializers.ModelSerializer):
  66                 literal = serializers.CharField(source='name')
  67                 class Meta:
  68                     model = m
  69                     fields = ['literal']
  70             return CategorySerializer
  71
  72         authors = AuthorSerializer(many=True)
  73         translators = AuthorSerializer(many=True)
  74         epochs = category_serializer(models.Epoch)(many=True)
  75         kinds = category_serializer(models.Kind)(many=True)
  76         genres = category_serializer(models.Genre)(many=True)
  77
  78         class Meta:
  79             model = models.Book
  80             fields = [
  81                 'title',
  82                 'authors',
  83                 'translators',
  84                 'epochs',
  85                 'kinds',
  86                 'genres',
  87                 'scans_source',
  88                 'text_source',
  89                 'original_year',
  90                 'pd_year',
  91             ]
  92
  93
  94 class TermSearchFilter(SearchFilter):
  95     search_param = 'term'
  96
  97
  98 class Terms(ListAPIView):
  99     filter_backends = [TermSearchFilter]
 100     search_fields = ['name']
 101
 102     class serializer_class(serializers.Serializer):
 103         label = serializers.CharField(source='name')
 104
 105
 106 class EpochTerms(Terms):
 107     queryset = models.Epoch.objects.all()
 108 class KindTerms(Terms):
 109     queryset = models.Kind.objects.all()
 110 class GenreTerms(Terms):
 111     queryset = models.Genre.objects.all()
 112
 113 class AuthorTerms(Terms):
 114     search_fields = ['first_name', 'last_name']
 115     queryset = models.Author.objects.all()
 116
 117 class EditorTerms(Terms):
 118     search_fields = ['first_name', 'last_name', 'username']
 119     queryset = User.objects.all()
 120
 121     class serializer_class(serializers.Serializer):
 122         label = serializers.SerializerMethodField()
 123
 124         def get_label(self, obj):
 125             return f'{obj.last_name}, {obj.first_name}'
 126
 127 class BookTitleTerms(Terms):
 128     queryset = models.Book.objects.all()
 129     search_fields = ['title', 'slug']
 130
 131     class serializer_class(serializers.Serializer):
 132         label = serializers.CharField(source='title')
 133
 134 class WLURITerms(Terms):
 135     queryset = models.Book.objects.all()
 136     search_fields = ['title', 'slug']
 137
 138     class serializer_class(serializers.Serializer):
 139         label = serializers.CharField(source='wluri')
 140
 141
 142 class WikidataView(APIView):
 143     permission_classes = [IsAdminUser]
 144
 145     def get_object(self, model, qid, save):
 146         try:
 147             Model = apps.get_model('catalogue', model)
 148         except LookupError:
 149             raise Http404
 150         if not issubclass(Model, models.WikidataModel):
 151             raise Http404
 152
 153         obj = Model.objects.filter(wikidata=qid).first()
 154         if obj is None:
 155             obj = Model(wikidata=qid)
 156         if not obj.pk and save:
 157             obj.save()
 158         else:
 159             obj.wikidata_populate(save=False, force=True)
 160         d = {
 161             "id": obj.pk,
 162             "__str__": str(obj),
 163         }
 164         for attname in dir(Model.Wikidata):
 165             if attname.startswith("_"):
 166                 continue
 167             for fieldname, lang in obj.wikidata_fields_for_attribute(attname):
 168                 try:
 169                     d[fieldname] = getattr(obj, fieldname)
 170                 except ValueError:
 171                     # Like accessing related field on non-saved object.
 172                     continue
 173
 174                 if isinstance(d[fieldname], models.WikidataModel):
 175                     d[fieldname] = {
 176                         "model": type(d[fieldname])._meta.model_name,
 177                         "id": d[fieldname].pk,
 178                         "wd": d[fieldname].wikidata,
 179                         "label": str(d[fieldname]) or d[fieldname]._wikidata_label,
 180                     }
 181                 elif hasattr(d[fieldname], 'all'):
 182                     d[fieldname] = [
 183                         {
 184                             "model": type(item)._meta.model_name,
 185                             "id": item.pk,
 186                             "wd": item.wikidata,
 187                             "label": str(item) or item._wikidata_label
 188                         } for item in d[fieldname].all()
 189                     ]
 190                 elif hasattr(d[fieldname], 'as_hint_json'):
 191                     d[fieldname] = d[fieldname].as_hint_json()
 192                 elif hasattr(d[fieldname], 'storage'):
 193                     d[fieldname] = d[fieldname].url if d[fieldname] else None
 194                 else:
 195                     d[fieldname] = localize_input(d[fieldname])
 196         return Response(d)
 197
 198     def get(self, request, model, qid):
 199         return self.get_object(model, qid, save=False)
 200
 201     def post(self, request, model, qid):
 202         return self.get_object(model, qid, save=True)
 203
 204
 205 @require_POST
 206 @login_required
 207 def publish_author(request, pk):
 208     author = get_object_or_404(models.Author, pk=pk)
 209     data = {
 210         "description_pl": author.generate_description(),
 211     }
 212     apiclient.api_call(request.user, f"authors/{author.slug}/", data)
 213     return redirect(reverse('admin:catalogue_author_change', args=[author.pk]))
 214
 215
 216 @require_POST
 217 @login_required
 218 def publish_collection(request, pk):
 219     collection = get_object_or_404(models.Collection, pk=pk)
 220     data = {
 221         "title": collection.name,
 222         "description": collection.description,
 223         "book_slugs": "\n".join(
 224             book.slug
 225             for book in collection.book_set.exclude(slug=None).exclude(slug='')
 226         )
 227     }
 228     apiclient.api_call(
 229         request.user,
 230         f"collections/{collection.slug}/",
 231         data,
 232         method='PUT',
 233         as_json=True,
 234     )
 235     return redirect(reverse(
 236         'admin:catalogue_collection_change', args=[collection.pk]
 237     ))