tag page, short_html
[wolnelektury.git] / apps / catalogue / views.py
index 235a17d..f1eeab7 100644 (file)
@@ -17,65 +17,44 @@ from django.utils.datastructures import SortedDict
 from django.views.decorators.http import require_POST
 from django.contrib import auth
 from django.contrib.auth.forms import UserCreationForm, AuthenticationForm
-from django.utils import simplejson
-from django.utils.functional import Promise
-from django.utils.encoding import force_unicode
 from django.utils.http import urlquote_plus
 from django.views.decorators import cache
 from django.utils import translation
 from django.utils.translation import ugettext as _
 from django.views.generic.list_detail import object_list
 
+from ajaxable.utils import LazyEncoder, JSONResponse
 from catalogue import models
 from catalogue import forms
 from catalogue.utils import split_tags, AttachmentHttpResponse, async_build_pdf
+from catalogue.tasks import touch_tag
 from pdcounter import models as pdcounter_models
 from pdcounter import views as pdcounter_views
 from suggest.forms import PublishingSuggestForm
+from picture.models import Picture
 
+from itertools import chain
 from os import path
 
 staff_required = user_passes_test(lambda user: user.is_staff)
 
 
-class LazyEncoder(simplejson.JSONEncoder):
-    def default(self, obj):
-        if isinstance(obj, Promise):
-            return force_unicode(obj)
-        return obj
-
-# shortcut for JSON reponses
-class JSONResponse(HttpResponse):
-    def __init__(self, data={}, callback=None, **kwargs):
-        # get rid of mimetype
-        kwargs.pop('mimetype', None)
-        data = simplejson.dumps(data)
-        if callback:
-            data = callback + "(" + data + ");" 
-        super(JSONResponse, self).__init__(data, mimetype="application/json", **kwargs)
-
-
-def main_page(request):
-    if request.user.is_authenticated():
-        shelves = models.Tag.objects.filter(category='set', user=request.user)
-        new_set_form = forms.NewSetForm()
-
-    tags = models.Tag.objects.exclude(category__in=('set', 'book'))
+def catalogue(request):
+    tags = models.Tag.objects.exclude(
+        category__in=('set', 'book')).exclude(book_count=0)
+    tags = list(tags)
     for tag in tags:
-        tag.count = tag.get_count()
+        tag.count = tag.book_count
     categories = split_tags(tags)
     fragment_tags = categories.get('theme', [])
 
-    form = forms.SearchForm()
-    return render_to_response('catalogue/main_page.html', locals(),
+    return render_to_response('catalogue/catalogue.html', locals(),
         context_instance=RequestContext(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_author, orphans, books_by_parent = models.Book.book_list(filter)
     books_nav = SortedDict()
     for tag in books_by_author:
@@ -111,6 +90,7 @@ def differentiate_tags(request, tags, ambiguous_slugs):
 
 
 def tagged_object_list(request, tags=''):
+    #    import pdb; pdb.set_trace()
     try:
         tags = models.Tag.get_tag_list(tags)
     except models.Tag.DoesNotExist:
@@ -189,6 +169,9 @@ def tagged_object_list(request, tags=''):
         only_author = len(tags) == 1 and tags[0].category == 'author'
         objects = models.Book.objects.none()
 
+        # Add pictures
+    objects = Picture.tagged.with_all(tags)|objects
+
     return object_list(
         request,
         objects,
@@ -214,7 +197,6 @@ def book_fragments(request, book, theme_slug):
     theme = get_object_or_404(models.Tag, slug=theme_slug, category='theme')
     fragments = models.Fragment.tagged.with_all([book_tag, theme])
 
-    form = forms.SearchForm()
     return render_to_response('catalogue/book_fragments.html', locals(),
         context_instance=RequestContext(request))
 
@@ -227,7 +209,7 @@ def book_detail(request, book):
         book = models.Book.objects.get(**kwargs)
     except models.Book.DoesNotExist:
         return pdcounter_views.book_stub_detail(request, kwargs['slug'])
-
+    
     book_tag = book.book_tag()
     tags = list(book.tags.filter(~Q(category='set')))
     categories = split_tags(tags)
@@ -260,7 +242,6 @@ def book_detail(request, book):
         projects.add((project, meta.get('funded_by', '')))
     projects = sorted(projects)
 
-    form = forms.SearchForm()
     custom_pdf_form = forms.CustomPDFForm()
     return render_to_response('catalogue/book_detail.html', locals(),
         context_instance=RequestContext(request))
@@ -524,12 +505,10 @@ def book_sets(request, book):
             new_shelves = [models.Tag.objects.get(pk=id) for id in form.cleaned_data['set_ids']]
 
             for shelf in [shelf for shelf in old_shelves if shelf not in new_shelves]:
-                shelf.book_count = None
-                shelf.save()
+                touch_tag(shelf)
 
             for shelf in [shelf for shelf in new_shelves if shelf not in old_shelves]:
-                shelf.book_count = None
-                shelf.save()
+                touch_tag(shelf)
 
             book.tags = new_shelves + list(book.tags.filter(~Q(category='set') | ~Q(user=request.user)))
             if request.is_ajax():
@@ -557,9 +536,7 @@ def remove_from_shelf(request, shelf, book):
 
     if shelf in book.tags:
         models.Tag.objects.remove_tag(book, shelf)
-
-        shelf.book_count = None
-        shelf.save()
+        touch_tag(shelf)
 
         return HttpResponse(_('Book was successfully removed from the shelf'))
     else:
@@ -597,32 +574,18 @@ def download_shelf(request, slug):
     if form.is_valid():
         formats = form.cleaned_data['formats']
     if len(formats) == 0:
-        formats = ['pdf', 'epub', 'mobi', 'odt', 'txt']
+        formats = models.Book.ebook_formats
 
     # Create a ZIP archive
     temp = tempfile.TemporaryFile()
     archive = zipfile.ZipFile(temp, 'w')
 
-    already = set()
     for book in collect_books(models.Book.tagged.with_all(shelf)):
         fileid = book.fileid()
-        if 'pdf' in formats and book.pdf_file:
-            filename = book.pdf_file.path
-            archive.write(filename, str('%s.pdf' % fileid))
-        if 'mobi' in formats and book.mobi_file:
-            filename = book.mobi_file.path
-            archive.write(filename, str('%s.mobi' % fileid))
-        if book.root_ancestor not in already and 'epub' in formats and book.root_ancestor.epub_file:
-            filename = book.root_ancestor.epub_file.path
-            archive.write(filename, str('%s.epub' % book.root_ancestor.fileid()))
-            already.add(book.root_ancestor)
-        if 'odt' in formats and book.has_media("odt"):
-            for file in book.get_media("odt"):
-                filename = file.file.path
-                archive.write(filename, str('%s.odt' % slughifi(file.name)))
-        if 'txt' in formats and book.txt_file:
-            filename = book.txt_file.path
-            archive.write(filename, str('%s.txt' % fileid))
+        for ebook_format in models.Book.ebook_formats:
+            if ebook_format in formats and book.has_media(ebook_format):
+                filename = book.get_media(ebook_format).path
+                archive.write(filename, str('%s.%s' % (fileid, ebook_format)))
     archive.close()
 
     response = HttpResponse(content_type='application/zip', mimetype='application/x-zip-compressed')
@@ -641,20 +604,14 @@ def shelf_book_formats(request, shelf):
     """
     shelf = get_object_or_404(models.Tag, slug=shelf, category='set')
 
-    formats = {'pdf': False, 'epub': False, 'mobi': False, 'odt': False, 'txt': False}
+    formats = {}
+    for ebook_format in models.Book.ebook_formats:
+        formats[ebook_format] = False
 
     for book in collect_books(models.Book.tagged.with_all(shelf)):
-        if book.pdf_file:
-            formats['pdf'] = True
-        if book.root_ancestor.epub_file:
-            formats['epub'] = True
-        if book.mobi_file:
-            formats['mobi'] = True
-        if book.txt_file:
-            formats['txt'] = True
-        for format in ('odt',):
-            if book.has_media(format):
-                formats[format] = True
+        for ebook_format in models.Book.ebook_formats:
+            if book.has_media(ebook_format):
+                formats[ebook_format] = True
 
     return HttpResponse(LazyEncoder().encode(formats))
 
@@ -688,45 +645,6 @@ def delete_shelf(request, slug):
         return HttpResponseRedirect('/')
 
 
-# ==================
-# = Authentication =
-# ==================
-@require_POST
-@cache.never_cache
-def login(request):
-    form = AuthenticationForm(data=request.POST, prefix='login')
-    if form.is_valid():
-        auth.login(request, form.get_user())
-        response_data = {'success': True, 'errors': {}}
-    else:
-        response_data = {'success': False, 'errors': form.errors}
-    return HttpResponse(LazyEncoder(ensure_ascii=False).encode(response_data))
-
-
-@require_POST
-@cache.never_cache
-def register(request):
-    registration_form = UserCreationForm(request.POST, prefix='registration')
-    if registration_form.is_valid():
-        user = registration_form.save()
-        user = auth.authenticate(
-            username=registration_form.cleaned_data['username'],
-            password=registration_form.cleaned_data['password1']
-        )
-        auth.login(request, user)
-        response_data = {'success': True, 'errors': {}}
-    else:
-        response_data = {'success': False, 'errors': registration_form.errors}
-    return HttpResponse(LazyEncoder(ensure_ascii=False).encode(response_data))
-
-
-@cache.never_cache
-def logout_then_redirect(request):
-    auth.logout(request)
-    return HttpResponseRedirect(urlquote_plus(request.GET.get('next', '/'), safe='/?='))
-
-
-
 # =========
 # = Admin =
 # =========
@@ -751,14 +669,6 @@ def import_book(request):
         return HttpResponse(_("Error importing file: %r") % book_import_form.errors)
 
 
-
-def clock(request):
-    """ Provides server time for jquery.countdown,
-    in a format suitable for Date.parse()
-    """
-    return HttpResponse(datetime.now().strftime('%Y/%m/%d %H:%M:%S'))
-
-
 # info views for API
 
 def book_info(request, id, lang='pl'):
@@ -778,7 +688,7 @@ def download_zip(request, format, book=None):
     kwargs = models.Book.split_fileid(book)
 
     url = None
-    if format in ('pdf', 'epub', 'mobi'):
+    if format in models.Book.ebook_formats:
         url = models.Book.zip_format(format)
     elif format == 'audiobook' and kwargs is not None:
         book = get_object_or_404(models.Book, **kwargs)