pdf and epub previews

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

diff --git a/apps/catalogue/views.py b/apps/catalogue/views.py
index 58a9378..8723685 100644 (file)
--- a/apps/catalogue/views.py
+++ b/apps/catalogue/views.py
@@ -1,4 +1,4 @@
-from datetime import datetime
+from datetime import datetime, date, timedelta

 import logging
 import os
 from StringIO import StringIO
 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.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
 from django.shortcuts import get_object_or_404, render
 from django.utils.encoding import iri_to_uri
 from django.utils.http import urlquote_plus


@@ -19,9 +19,6 @@ 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
 
 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 apiclient import NotAuthorizedError
 from catalogue import forms
 from catalogue import helpers


@@ -70,8 +67,20 @@ def users(request):
 
 
 @active_tab('activity')
 
 
 @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
 
 
 @never_cache


@@ -204,6 +213,8 @@ def book_txt(request, slug):
     xml = book.materialize()
     output = StringIO()
     # errors?
     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')
     librarian.text.transform(StringIO(xml), output)
     text = output.getvalue()
     response = http.HttpResponse(text, content_type='text/plain', mimetype='text/plain')


@@ -219,12 +230,67 @@ def book_html(request, slug):
     xml = book.materialize()
     output = StringIO()
     # errors?
     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
 
     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(),
+                  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(), 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:
 @never_cache
 def revision(request, slug, chunk=None):
     try: