descriptions in catalogue

[redakcja.git] / src / cover / views.py

diff --git a/src/cover/views.py b/src/cover/views.py
index a7b96fb..25663a0 100644 (file)
--- a/src/cover/views.py
+++ b/src/cover/views.py
@@ -1,17 +1,26 @@
 # This file is part of FNP-Redakcja, licensed under GNU Affero GPLv3 or later.
 # Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
 #
+from hashlib import sha1
+from os import makedirs
 import os.path
+import PIL.Image
 from django.conf import settings
 from django.contrib.auth.decorators import permission_required
 from django.http import HttpResponse, HttpResponseRedirect, Http404
 from django.shortcuts import get_object_or_404, render
 from django.views.decorators.csrf import csrf_exempt
 from django.views.decorators.http import require_POST
+from lxml import etree
+from librarian import RDFNS, DCNS
+from librarian.cover import make_cover
+from librarian.dcparser import BookInfo
 from documents.helpers import active_tab
-from documents.models import Chunk
+from documents.models import Book, Chunk
 from cover.models import Image
 from cover import forms
+from cover.utils import get_import_data
+
 
 PREVIEW_SIZE = (216, 300)
 
@@ -22,10 +31,6 @@ def preview(request, book, chunk=None, rev=None):
     If chunk and rev number are given, use version from given revision.
     If rev is not given, use publishable version.
     """
-    from PIL import Image
-    from librarian.cover import make_cover
-    from librarian.dcparser import BookInfo
-
     chunk = Chunk.get(book, chunk)
     if rev is not None:
         try:
@@ -40,20 +45,22 @@ def preview(request, book, chunk=None, rev=None):
 
     try:
         info = BookInfo.from_bytes(xml)
-    except:
+    except Exception as e:
+        print(e)
         return HttpResponseRedirect(os.path.join(settings.STATIC_URL, "img/sample_cover.png"))
     width = request.GET.get('width')
     width = int(width) if width else None
     height=request.GET.get('height')
     height = int(height) if height else None
-    cover = make_cover(info, width=width, height=height)
-    #cover = make_cover(info)
+
+    if not (height or width):
+        width, height = PREVIEW_SIZE
+
+    cover_class = request.GET.get('cover_class', 'default')
+
+    cover = make_cover(info, cover_class=cover_class, width=width, height=height)
     response = HttpResponse(content_type=cover.mime_type())
-    if height or width:
-        size = (width, height)
-    else:
-        size = PREVIEW_SIZE
-    img = cover.image().resize(size, Image.ANTIALIAS)
+    img = cover.final_image()
     img.save(response, cover.format)
 
     if 'download' in request.GET:
@@ -65,17 +72,11 @@ def preview(request, book, chunk=None, rev=None):
 @csrf_exempt
 @require_POST
 def preview_from_xml(request):
-    from hashlib import sha1
-    from PIL import Image
-    from os import makedirs
-    from lxml import etree
-    from librarian.cover import make_cover
-    from librarian.dcparser import BookInfo
-
     xml = request.POST['xml']
     try:
         info = BookInfo.from_bytes(xml.encode('utf-8'))
-    except:
+    except Exception as e:
+        print(e)
         return HttpResponse(os.path.join(settings.STATIC_URL, "img/sample_cover.png"))
     coverid = sha1(etree.tostring(info.to_etree())).hexdigest()
     cover = make_cover(info)
@@ -86,7 +87,7 @@ def preview_from_xml(request):
     except OSError:
         pass
     fname = os.path.join(cover_dir, "%s.%s" % (coverid, cover.ext()))
-    img = cover.image().resize(PREVIEW_SIZE, Image.ANTIALIAS)
+    img = cover.image().resize(PREVIEW_SIZE, PIL.Image.ANTIALIAS)
     img.save(os.path.join(settings.MEDIA_ROOT, fname))
     return HttpResponse(os.path.join(settings.MEDIA_URL, fname))
 
@@ -123,7 +124,7 @@ def image_file(request, pk):
 @active_tab('cover')
 def image_list(request):
     return render(request, "cover/image_list.html", {
-        'object_list': Image.objects.all(),
+        'object_list': Image.objects.all().order_by('-id'),
         'can_add': request.user.has_perm('cover.add_image'),
     })
 
@@ -150,3 +151,61 @@ def add_image(request):
             'form': form,
             'ff': ff,
         })
+
+@permission_required('cover.add_image')
+def quick_import(request, pk):
+    url = request.POST.get('url')
+    if url.startswith('%s://%s/' % (
+            request.scheme,
+            request.get_host())):
+        cover_id = url.rstrip('/').rsplit('/', 1)[-1]
+        cover = Image.objects.get(pk=cover_id)
+    else:
+        data = get_import_data(url)
+        same = Image.objects.filter(source_url=data['source_url'])
+        if not same.exists():
+            same = Image.objects.filter(download_url=data['download_url'])
+        if same.exists():
+            cover = same.first()
+        else:
+            form = forms.ImageAddForm(data)
+            if form.is_valid():
+                cover = form.save()
+
+    # We have a cover. Now let's commit.
+    book = Book.objects.get(pk=pk)
+    chunk = book[0]
+    text = chunk.head.materialize()
+
+    root = etree.fromstring(text)
+    rdf = root.find('.//' + RDFNS('Description'))
+    for tag in 'url', 'attribution', 'source':
+        for elem in rdf.findall('.//' + DCNS('relation.coverImage.%s' % tag)):
+            rdf.remove(elem)
+    e = etree.Element(DCNS('relation.coverImage.url'))
+    e.text = request.build_absolute_uri(cover.use_file.url)
+    rdf.append(e)
+    e.tail = '\n    '
+    e = etree.Element(DCNS('relation.coverImage.attribution'))
+    e.text = ''
+    if cover.title:
+        e.text += cover.title + ', '
+    if cover.author:
+        e.text += cover.author + ', '
+    e.text += cover.license_name
+    e.tail = '\n    '
+    rdf.append(e)
+    e = etree.Element(DCNS('relation.coverImage.source'))
+    e.text = cover.get_full_url()
+    e.tail = '\n    '
+    rdf.append(e)
+
+    xml = etree.tostring(root, encoding='unicode')
+    chunk.commit(
+        xml,
+        author=request.user,
+        comment='Cover',
+        publishable=chunk.head.publishable,
+    )
+    return HttpResponseRedirect(book.get_absolute_url())
+