#933,#934: xmls and epubs to download

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

diff --git a/apps/catalogue/views.py b/apps/catalogue/views.py
index 2a11f4b..de522e2 100644 (file)
--- a/apps/catalogue/views.py
+++ b/apps/catalogue/views.py
@@ -4,12 +4,14 @@
 #
 import tempfile
 import zipfile
+import tarfile
 import sys
 import pprint
 import traceback
 import re
 import itertools
 from operator import itemgetter
+from datetime import datetime
 
 from django.conf import settings
 from django.template import RequestContext
@@ -34,6 +36,7 @@ from catalogue import models
 from catalogue import forms
 from catalogue.utils import split_tags
 from newtagging import views as newtagging_views
+from slughifi import slughifi
 
 
 staff_required = user_passes_test(lambda user: user.is_staff)
@@ -72,24 +75,32 @@ def main_page(request):
         context_instance=RequestContext(request))
 
 
-def book_list(request):
+def book_list(request, filter=None, template_name='catalogue/book_list.html'):
+    """ generates a listing of all books, optionally filtered with a test function """
+
     form = forms.SearchForm()
 
     books_by_parent = {}
-    for book in models.Book.objects.all().order_by('parent_number'):
-        books_by_parent.setdefault(book.parent, []).append(book)
+    books = models.Book.objects.all().order_by('parent_number', 'title').only('title', 'parent', 'slug')
+    if filter:
+        books = books.filter(filter)
+        book_ids = set((book.pk for book in books))
+        for book in books:
+            parent = book.parent_id
+            if parent not in book_ids:
+                parent = None
+            books_by_parent.setdefault(parent, []).append(book)
+    else:
+        for book in books:
+            books_by_parent.setdefault(book.parent_id, []).append(book)
 
     orphans = []
     books_by_author = SortedDict()
     books_nav = SortedDict()
     for tag in models.Tag.objects.filter(category='author'):
         books_by_author[tag] = []
-        if books_nav.has_key(tag.sort_key[0]):
-            books_nav[tag.sort_key[0]].append(tag)
-        else:
-            books_nav[tag.sort_key[0]] = [tag]
 
-    for book in books_by_parent[None]:
+    for book in books_by_parent.get(None,()):
         authors = list(book.tags.filter(category='author'))
         if authors:
             for author in authors:
@@ -97,10 +108,24 @@ def book_list(request):
         else:
             orphans.append(book)
 
-    return render_to_response('catalogue/book_list.html', locals(),
+    for tag in books_by_author:
+        if books_by_author[tag]:
+            books_nav.setdefault(tag.sort_key[0], []).append(tag)
+
+    return render_to_response(template_name, locals(),
         context_instance=RequestContext(request))
 
 
+def audiobook_list(request):
+    return book_list(request, ~Q(mp3_file='') | ~Q(ogg_file=''),
+                     template_name='catalogue/audiobook_list.html')
+
+
+def daisy_list(request):
+    return book_list(request, ~Q(daisy_file=''),
+                     template_name='catalogue/daisy_list.html')
+
+
 def differentiate_tags(request, tags, ambiguous_slugs):
     beginning = '/'.join(tag.url_chunk for tag in tags)
     unparsed = '/'.join(ambiguous_slugs[1:])
@@ -478,7 +503,7 @@ def book_sets(request, slug):
 
             book.tags = new_shelves + list(book.tags.filter(~Q(category='set') | ~Q(user=request.user)))
             if request.is_ajax():
-                return HttpResponse(_('<p>Shelves were sucessfully saved.</p>'))
+                return JSONResponse('{"msg":"'+_("<p>Shelves were sucessfully saved.</p>")+'", "after":"close"}')
             else:
                 return HttpResponseRedirect('/')
     else:
@@ -567,7 +592,7 @@ def download_shelf(request, slug):
     archive.close()
 
     response = HttpResponse(content_type='application/zip', mimetype='application/x-zip-compressed')
-    response['Content-Disposition'] = 'attachment; filename=%s.zip' % shelf.sort_key
+    response['Content-Disposition'] = 'attachment; filename=%s.zip' % slughifi(shelf.name)
     response['Content-Length'] = temp.tell()
 
     temp.seek(0)
@@ -612,7 +637,7 @@ def new_set(request):
         new_set = new_set_form.save(request.user)
 
         if request.is_ajax():
-            return HttpResponse(_('<p>Shelf <strong>%s</strong> was successfully created</p>') % new_set)
+            return JSONResponse('{"id":"%d", "name":"%s", "msg":"<p>Shelf <strong>%s</strong> was successfully created</p>"}' % (new_set.id, new_set.name, new_set))
         else:
             return HttpResponseRedirect('/')
 
@@ -697,5 +722,47 @@ def clock(request):
     """ Provides server time for jquery.countdown,
     in a format suitable for Date.parse()
     """
-    from datetime import datetime
     return HttpResponse(datetime.now().strftime('%Y/%m/%d %H:%M:%S'))
+
+
+@cache.never_cache
+def xmls(request):
+    """"
+    Create a zip archive with all XML files.
+    """
+    temp = tempfile.TemporaryFile()
+    archive = zipfile.ZipFile(temp, 'w')
+
+    for book in models.Book.objects.all():
+        archive.write(book.xml_file.path, str('%s.xml' % book.slug))
+    archive.close()
+
+    response = HttpResponse(content_type='application/zip', mimetype='application/x-zip-compressed')
+    response['Content-Disposition'] = 'attachment; filename=xmls.zip'
+    response['Content-Length'] = temp.tell()
+
+    temp.seek(0)
+    response.write(temp.read())
+    return response
+
+
+@cache.never_cache
+def epubs(request):
+    """"
+    Create a tar archive with all EPUB files, segregated to directories.
+    """
+
+    temp = tempfile.TemporaryFile()
+    archive = tarfile.TarFile(fileobj=temp, mode='w')
+
+    for book in models.Book.objects.exclude(epub_file=''):
+        archive.add(book.epub_file.path, (u'%s/%s.epub' % (book.get_extra_info_value()['author'], book.slug)).encode('utf-8'))
+    archive.close()
+
+    response = HttpResponse(content_type='application/tar', mimetype='application/x-tar')
+    response['Content-Disposition'] = 'attachment; filename=epubs.tar'
+    response['Content-Length'] = temp.tell()
+
+    temp.seek(0)
+    response.write(temp.read())
+    return response