add a revert button to return scan gallery to first page for this book

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

diff --git a/apps/catalogue/views.py b/apps/catalogue/views.py
index 58a9378..2ee94ae 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
@@ -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
@@ -19,9 +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
 
-import librarian.html
-import librarian.text
-
 from apiclient import NotAuthorizedError
 from catalogue import forms
 from catalogue import helpers
@@ -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
@@ -201,11 +210,9 @@ def book_txt(request, slug):
     book = get_object_or_404(Book, slug=slug)
     if not book.accessible(request):
         return HttpResponseForbidden("Not authorized.")
-    xml = book.materialize()
-    output = StringIO()
-    # errors?
-    librarian.text.transform(StringIO(xml), output)
-    text = output.getvalue()
+
+    doc = book.wldocument()
+    text = doc.as_text().get_string()
     response = http.HttpResponse(text, content_type='text/plain', mimetype='text/plain')
     response['Content-Disposition'] = 'attachment; filename=%s.txt' % slug
     return response
@@ -216,15 +223,45 @@ def book_html(request, slug):
     book = get_object_or_404(Book, slug=slug)
     if not book.accessible(request):
         return HttpResponseForbidden("Not authorized.")
-    xml = book.materialize()
-    output = StringIO()
-    # errors?
-    librarian.html.transform(StringIO(xml), output, parse_dublincore=False,
-                             flags=['full-page'])
-    html = output.getvalue()
+
+    doc = book.wldocument(parse_dublincore=False)
+    html = doc.as_html(flags=['full-page'])
+    html = html.get_string() if html is not None else ''
     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.")
+
+    # TODO: move to celery
+    doc = book.wldocument()
+    # TODO: error handling
+    pdf_file = doc.as_pdf()
+    from catalogue.ebook_utils import serve_file
+    return serve_file(pdf_file.get_filename(),
+                book.slug + '.pdf', 'application/pdf')
+
+
+@never_cache
+def book_epub(request, slug):
+    book = get_object_or_404(Book, slug=slug)
+    if not book.accessible(request):
+        return HttpResponseForbidden("Not authorized.")
+
+    # TODO: move to celery
+    doc = book.wldocument()
+    # TODO: error handling
+    epub = doc.as_epub().get_string()
+    response = HttpResponse(mimetype='application/epub+zip')
+    response['Content-Disposition'] = 'attachment; filename=%s' % book.slug + '.epub'
+    response.write(epub)
+    return response
+
+
 @never_cache
 def revision(request, slug, chunk=None):
     try:
@@ -249,7 +286,7 @@ def book(request, slug):
                 return http.HttpResponseRedirect(book.get_absolute_url())
         else:
             form = forms.BookForm(instance=book)
-            editable = True
+        editable = True
     else:
         form = forms.ReadonlyBookForm(instance=book)
         editable = False