Merge branch 'img-playground' of ssh://epsilon.fnp/home/rczajka/workspace/redakcja...

[redakcja.git] / apps / catalogue / views.py

diff --git a/apps/catalogue/views.py b/apps/catalogue/views.py
index c7189d4..bc54c3e 100644 (file)
--- a/apps/catalogue/views.py
+++ b/apps/catalogue/views.py
@@ -11,7 +11,7 @@ from django.contrib.auth.decorators import login_required, permission_required
 from django.core.urlresolvers import reverse
 from django.db.models import Count, Q
 from django import http
-from django.http import Http404, HttpResponseForbidden
+from django.http import Http404, HttpResponse, HttpResponseForbidden
 from django.shortcuts import get_object_or_404, render
 from django.utils.encoding import iri_to_uri
 from django.utils.http import urlquote_plus
@@ -19,14 +19,12 @@ from django.utils.translation import ugettext_lazy as _
 from django.views.decorators.http import require_POST
 from django.views.generic.simple import direct_to_template
 
-import librarian.html
-import librarian.text
-
 from apiclient import NotAuthorizedError
 from catalogue import forms
 from catalogue import helpers
 from catalogue.helpers import active_tab
-from catalogue.models import Book, Chunk, BookPublishRecord, ChunkPublishRecord
+from catalogue.models import (Book, Chunk, Image, BookPublishRecord, 
+        ChunkPublishRecord, ImagePublishRecord)
 from catalogue.tasks import publishable_error
 
 #
@@ -43,6 +41,12 @@ def document_list(request):
     return render(request, 'catalogue/document_list.html')
 
 
+@active_tab('images')
+@never_cache
+def image_list(request, user=None):
+    return render(request, 'catalogue/image_list.html')
+
+
 @never_cache
 def user(request, username):
     user = get_object_or_404(User, username=username)
@@ -216,6 +220,8 @@ def book_txt(request, slug):
     xml = book.materialize()
     output = StringIO()
     # errors?
+
+    import librarian.text
     librarian.text.transform(StringIO(xml), output)
     text = output.getvalue()
     response = http.HttpResponse(text, content_type='text/plain', mimetype='text/plain')
@@ -231,12 +237,68 @@ def book_html(request, slug):
     xml = book.materialize()
     output = StringIO()
     # errors?
+
+    import librarian.html
     librarian.html.transform(StringIO(xml), output, parse_dublincore=False,
                              flags=['full-page'])
     html = output.getvalue()
     response = http.HttpResponse(html, content_type='text/html', mimetype='text/html')
     return response
 
+
+@never_cache
+def book_pdf(request, slug):
+    book = get_object_or_404(Book, slug=slug)
+    if not book.accessible(request):
+        return HttpResponseForbidden("Not authorized.")
+
+    from tempfile import NamedTemporaryFile
+    from os import unlink
+    from librarian import pdf
+    from catalogue.ebook_utils import RedakcjaDocProvider, serve_file
+
+    xml = book.materialize()
+    xml_file = NamedTemporaryFile()
+    xml_file.write(xml.encode('utf-8'))
+    xml_file.flush()
+
+    try:
+        pdf_file = NamedTemporaryFile(delete=False)
+        pdf.transform(RedakcjaDocProvider(publishable=True),
+                  file_path=xml_file.name,
+                  output_file=pdf_file,
+                  )
+        return serve_file(pdf_file.name, book.slug + '.pdf', 'application/pdf')
+    finally:
+        unlink(pdf_file.name)
+
+
+@never_cache
+def book_epub(request, slug):
+    book = get_object_or_404(Book, slug=slug)
+    if not book.accessible(request):
+        return HttpResponseForbidden("Not authorized.")
+
+    from StringIO import StringIO
+    from tempfile import NamedTemporaryFile
+    from librarian import epub
+    from catalogue.ebook_utils import RedakcjaDocProvider
+
+    xml = book.materialize()
+    xml_file = NamedTemporaryFile()
+    xml_file.write(xml.encode('utf-8'))
+    xml_file.flush()
+
+    epub_file = StringIO()
+    epub.transform(RedakcjaDocProvider(publishable=True),
+            file_path=xml_file.name,
+            output_file=epub_file)
+    response = HttpResponse(mimetype='application/epub+zip')
+    response['Content-Disposition'] = 'attachment; filename=%s' % book.slug + '.epub'
+    response.write(epub_file.getvalue())
+    return response
+
+
 @never_cache
 def revision(request, slug, chunk=None):
     try:
@@ -278,6 +340,36 @@ def book(request, slug):
     })
 
 
+def image(request, slug):
+    image = get_object_or_404(Image, slug=slug)
+    if not image.accessible(request):
+        return HttpResponseForbidden("Not authorized.")
+
+    if request.user.has_perm('catalogue.change_image'):
+        if request.method == "POST":
+            form = forms.ImageForm(request.POST, instance=image)
+            if form.is_valid():
+                form.save()
+                return http.HttpResponseRedirect(image.get_absolute_url())
+        else:
+            form = forms.ImageForm(instance=image)
+            editable = True
+    else:
+        form = forms.ReadonlyImageForm(instance=image)
+        editable = False
+
+    publish_error = publishable_error(image)
+    publishable = publish_error is None
+
+    return direct_to_template(request, "catalogue/image_detail.html", extra_context={
+        "object": image,
+        "publishable": publishable,
+        "publishable_error": publish_error,
+        "form": form,
+        "editable": editable,
+    })
+
+
 @permission_required('catalogue.add_chunk')
 def chunk_add(request, slug, chunk):
     try:
@@ -388,3 +480,20 @@ def publish(request, slug):
         return http.HttpResponse(e)
     else:
         return http.HttpResponseRedirect(book.get_absolute_url())
+
+
+@require_POST
+@login_required
+def publish_image(request, slug):
+    image = get_object_or_404(Image, slug=slug)
+    if not image.accessible(request):
+        return HttpResponseForbidden("Not authorized.")
+
+    try:
+        image.publish(request.user)
+    except NotAuthorizedError:
+        return http.HttpResponseRedirect(reverse('apiclient_oauth'))
+    except BaseException, e:
+        return http.HttpResponse(e)
+    else:
+        return http.HttpResponseRedirect(image.get_absolute_url())