public books in feed
[redakcja.git] / apps / catalogue / views.py
index 72cf63d..3c0e70f 100644 (file)
@@ -1,4 +1,4 @@
-from datetime import datetime
+from datetime import datetime, date, timedelta
 import logging
 import os
 from StringIO import StringIO
@@ -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
+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
@@ -19,15 +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 import xml_tools
+from catalogue.tasks import publishable_error
 
 #
 # Quick hack around caching problems, TODO: use ETags
@@ -70,8 +67,20 @@ def users(request):
 
 
 @active_tab('activity')
-def activity(request):
-    return render(request, 'catalogue/activity.html')
+def activity(request, isodate=None):
+    today = date.today()
+    try:
+        day = helpers.parse_isodate(isodate)
+    except ValueError:
+        day = today
+
+    if day > today:
+        raise Http404
+    if day != today:
+        next_day = day + timedelta(1)
+    prev_day = day - timedelta(1)
+
+    return render(request, 'catalogue/activity.html', locals())
 
 
 @never_cache
@@ -100,13 +109,15 @@ def create_missing(request, slug=None):
                 creator=creator,
                 slug=form.cleaned_data['slug'],
                 title=form.cleaned_data['title'],
+                gallery=form.cleaned_data['gallery'],
             )
 
-            return http.HttpResponseRedirect(reverse("wiki_editor", args=[book.slug]))
+            return http.HttpResponseRedirect(reverse("catalogue_book", args=[book.slug]))
     else:
         form = forms.DocumentCreateForm(initial={
                 "slug": slug,
                 "title": slug.replace('-', ' ').title(),
+                "gallery": slug,
         })
 
     return direct_to_template(request, "catalogue/document_create_missing.html", extra_context={
@@ -184,7 +195,10 @@ def upload(request):
 
 @never_cache
 def book_xml(request, slug):
-    xml = get_object_or_404(Book, slug=slug).materialize()
+    book = get_object_or_404(Book, slug=slug)
+    if not book.accessible(request):
+        return HttpResponseForbidden("Not authorized.")
+    xml = book.materialize()
 
     response = http.HttpResponse(xml, content_type='application/xml', mimetype='application/wl+xml')
     response['Content-Disposition'] = 'attachment; filename=%s.xml' % slug
@@ -193,9 +207,14 @@ def book_xml(request, slug):
 
 @never_cache
 def book_txt(request, slug):
-    xml = get_object_or_404(Book, slug=slug).materialize()
+    book = get_object_or_404(Book, slug=slug)
+    if not book.accessible(request):
+        return HttpResponseForbidden("Not authorized.")
+    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')
@@ -205,9 +224,14 @@ def book_txt(request, slug):
 
 @never_cache
 def book_html(request, slug):
-    xml = get_object_or_404(Book, slug=slug).materialize()
+    book = get_object_or_404(Book, slug=slug)
+    if not book.accessible(request):
+        return HttpResponseForbidden("Not authorized.")
+    xml = book.materialize()
     output = StringIO()
     # errors?
+
+    import librarian.html
     librarian.html.transform(StringIO(xml), output, parse_dublincore=False,
                              flags=['full-page'])
     html = output.getvalue()
@@ -215,17 +239,74 @@ def book_html(request, slug):
     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:
         doc = Chunk.get(slug, chunk)
     except (Chunk.MultipleObjectsReturned, Chunk.DoesNotExist):
         raise Http404
+    if not doc.book.accessible(request):
+        return HttpResponseForbidden("Not authorized.")
     return http.HttpResponse(str(doc.revision()))
 
 
 def book(request, slug):
     book = get_object_or_404(Book, slug=slug)
+    if not book.accessible(request):
+        return HttpResponseForbidden("Not authorized.")
 
     if request.user.has_perm('catalogue.change_book'):
         if request.method == "POST":
@@ -240,20 +321,13 @@ def book(request, slug):
         form = forms.ReadonlyBookForm(instance=book)
         editable = False
 
-
-    try:
-        book.assert_publishable()
-    except AssertionError, e:
-        publishable = False
-        publishable_error = e
-    else:
-        publishable = True
-        publishable_error = None
+    publish_error = publishable_error(book)
+    publishable = publish_error is None
 
     return direct_to_template(request, "catalogue/book_detail.html", extra_context={
         "book": book,
         "publishable": publishable,
-        "publishable_error": publishable_error,
+        "publishable_error": publish_error,
         "form": form,
         "editable": editable,
     })
@@ -265,6 +339,8 @@ def chunk_add(request, slug, chunk):
         doc = Chunk.get(slug, chunk)
     except (Chunk.MultipleObjectsReturned, Chunk.DoesNotExist):
         raise Http404
+    if not doc.book.accessible(request):
+        return HttpResponseForbidden("Not authorized.")
 
     if request.method == "POST":
         form = forms.ChunkAddForm(request.POST, instance=doc)
@@ -276,6 +352,9 @@ def chunk_add(request, slug, chunk):
             doc.split(creator=creator,
                 slug=form.cleaned_data['slug'],
                 title=form.cleaned_data['title'],
+                gallery_start=form.cleaned_data['gallery_start'],
+                user=form.cleaned_data['user'],
+                stage=form.cleaned_data['stage']
             )
 
             return http.HttpResponseRedirect(doc.book.get_absolute_url())
@@ -296,6 +375,9 @@ def chunk_edit(request, slug, chunk):
         doc = Chunk.get(slug, chunk)
     except (Chunk.MultipleObjectsReturned, Chunk.DoesNotExist):
         raise Http404
+    if not doc.book.accessible(request):
+        return HttpResponseForbidden("Not authorized.")
+
     if request.method == "POST":
         form = forms.ChunkForm(request.POST, instance=doc)
         if form.is_valid():
@@ -309,9 +391,13 @@ def chunk_edit(request, slug, chunk):
     else:
         form = forms.ChunkForm(instance=doc)
 
-    parts = urlsplit(request.META['HTTP_REFERER'])
-    parts = ['', ''] + list(parts[2:])
-    go_next = urlquote_plus(urlunsplit(parts))
+    referer = request.META.get('HTTP_REFERER')
+    if referer:
+        parts = urlsplit(referer)
+        parts = ['', ''] + list(parts[2:])
+        go_next = urlquote_plus(urlunsplit(parts))
+    else:
+        go_next = ''
 
     return direct_to_template(request, "catalogue/chunk_edit.html", extra_context={
         "chunk": doc,
@@ -323,6 +409,9 @@ def chunk_edit(request, slug, chunk):
 @permission_required('catalogue.change_book')
 def book_append(request, slug):
     book = get_object_or_404(Book, slug=slug)
+    if not book.accessible(request):
+        return HttpResponseForbidden("Not authorized.")
+
     if request.method == "POST":
         form = forms.BookAppendForm(book, request.POST)
         if form.is_valid():
@@ -343,6 +432,9 @@ def book_append(request, slug):
 @login_required
 def publish(request, slug):
     book = get_object_or_404(Book, slug=slug)
+    if not book.accessible(request):
+        return HttpResponseForbidden("Not authorized.")
+
     try:
         book.publish(request.user)
     except NotAuthorizedError: