X-Git-Url: https://git.mdrn.pl/wolnelektury.git/blobdiff_plain/f1ec080b394326e35074c57e682789176cd3f244..d45957a6f6f199046a72595e016f7ebeeb459a37:/apps/catalogue/views.py

diff --git a/apps/catalogue/views.py b/apps/catalogue/views.py
index de9d0b227..de2c17b28 100644
--- a/apps/catalogue/views.py
+++ b/apps/catalogue/views.py
@@ -45,6 +45,16 @@ class LazyEncoder(simplejson.JSONEncoder):
             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():
@@ -62,18 +72,57 @@ def main_page(request):
         context_instance=RequestContext(request))
 
 
-def book_list(request):
-    books = models.Book.objects.all()
+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_first_letter = SortedDict()
-    for book in books:
-        books_by_first_letter.setdefault(book.title[0], []).append(book)
+    books_by_parent = {}
+    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] = []
+
+    for book in books_by_parent.get(None,()):
+        authors = list(book.tags.filter(category='author'))
+        if authors:
+            for author in authors:
+                books_by_author[author].append(book)
+        else:
+            orphans.append(book)
+
+    for tag in books_by_author:
+        if books_by_author[tag]:
+            books_nav.setdefault(tag.sort_key[0], []).append(tag)
 
-    return render_to_response('catalogue/book_list.html', locals(),
+    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:])
@@ -137,7 +186,7 @@ def tagged_object_list(request, tags=''):
             objects = fragments
     else:
         # get relevant books and their tags
-        objects = models.Book.tagged.with_all(tags).order_by()
+        objects = models.Book.tagged.with_all(tags)
         if not shelf_is_set:
             # eliminate descendants
             l_tags = models.Tag.objects.filter(category='book', slug__in=[book.book_tag_slug() for book in objects])
@@ -204,6 +253,13 @@ def book_detail(request, slug):
     tags = list(book.tags.filter(~Q(category='set')))
     categories = split_tags(tags)
     book_children = book.children.all().order_by('parent_number')
+    
+    _book = book
+    parents = []
+    while _book.parent:
+        parents.append(_book.parent)
+        _book = _book.parent
+    parents = reversed(parents)
 
     theme_counter = book.theme_counter
     book_themes = models.Tag.objects.filter(pk__in=theme_counter.keys())
@@ -228,6 +284,8 @@ def book_stub_detail(request, slug):
 
 def book_text(request, slug):
     book = get_object_or_404(models.Book, slug=slug)
+    if not book.has_html_file():
+        raise Http404
     book_themes = {}
     for fragment in book.fragments.all():
         for theme in fragment.tags.filter(category='theme'):
@@ -290,7 +348,7 @@ def _sqlite_word_starts_with(name, prefix):
     return Q(**kwargs)
 
 
-if settings.DATABASE_ENGINE == 'sqlite3':
+if settings.DATABASES['default']['ENGINE'] == 'django.db.backends.sqlite3':
     _word_starts_with = _sqlite_word_starts_with
 
 
@@ -304,7 +362,6 @@ def _tags_starting_with(prefix, user=None):
         tags = tags.filter(~Q(category='book') & (~Q(category='set') | Q(user=user)))
     else:
         tags = tags.filter(~Q(category='book') & ~Q(category='set'))
-
     return list(books) + list(tags) + list(book_stubs)
 
 
@@ -321,9 +378,13 @@ def _get_result_type(match):
         type = 'book'
     else:
         type = match.category
-    return dict(models.TAG_CATEGORIES)[type]
+    return type
 
 
+def books_starting_with(prefix):
+    prefix = prefix.lower()
+    return models.Book.objects.filter(_word_starts_with('title', prefix))
+
 
 def find_best_matches(query, user=None):
     """ Finds a Book, Tag or Bookstub best matching a query.
@@ -379,8 +440,29 @@ def tags_starting_with(request):
     # Prefix must have at least 2 characters
     if len(prefix) < 2:
         return HttpResponse('')
-
-    return HttpResponse('\n'.join(tag.name for tag in _tags_starting_with(prefix, request.user)))
+    tags_list = []
+    result = ""   
+    for tag in _tags_starting_with(prefix, request.user):
+        if not tag.name in tags_list:
+            result += "\n" + tag.name
+            tags_list.append(tag.name)
+    return HttpResponse(result)
+
+def json_tags_starting_with(request, callback=None):
+    # Callback for JSONP
+    prefix = request.GET.get('q', '')
+    callback = request.GET.get('callback', '')
+    # Prefix must have at least 2 characters
+    if len(prefix) < 2:
+        return HttpResponse('')
+    tags_list = []
+    result = ""   
+    for tag in _tags_starting_with(prefix, request.user):
+        if not tag.name in tags_list:
+            result += "\n" + tag.name
+            tags_list.append(tag.name)
+    dict_result = {"matches": tags_list}
+    return JSONResponse(dict_result, callback)
 
 # ====================
 # = Shelf management =
@@ -395,13 +477,13 @@ def user_shelves(request):
 
 @cache.never_cache
 def book_sets(request, slug):
+    if not request.user.is_authenticated():
+        return HttpResponse(_('<p>To maintain your shelves you need to be logged in.</p>'))
+
     book = get_object_or_404(models.Book, slug=slug)
     user_sets = models.Tag.objects.filter(category='set', user=request.user)
     book_sets = book.tags.filter(category='set', user=request.user)
 
-    if not request.user.is_authenticated():
-        return HttpResponse(_('<p>To maintain your shelves you need to be logged in.</p>'))
-
     if request.method == 'POST':
         form = forms.ObjectSetsForm(book, request.user, request.POST)
         if form.is_valid():
@@ -474,19 +556,21 @@ def download_shelf(request, slug):
     if form.is_valid():
         formats = form.cleaned_data['formats']
     if len(formats) == 0:
-        formats = ['pdf', 'epub', 'odt', 'txt', 'mp3', 'ogg']
+        formats = ['pdf', 'epub', 'odt', 'txt', 'mp3', 'ogg', 'daisy']
 
     # 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)):
         if 'pdf' in formats and book.pdf_file:
             filename = book.pdf_file.path
             archive.write(filename, str('%s.pdf' % book.slug))
-        if 'epub' in formats and book.epub_file:
-            filename = book.epub_file.path
-            archive.write(filename, str('%s.epub' % book.slug))
+        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.slug))
+            already.add(book.root_ancestor)
         if 'odt' in formats and book.odt_file:
             filename = book.odt_file.path
             archive.write(filename, str('%s.odt' % book.slug))
@@ -499,6 +583,9 @@ def download_shelf(request, slug):
         if 'ogg' in formats and book.ogg_file:
             filename = book.ogg_file.path
             archive.write(filename, str('%s.ogg' % book.slug))
+        if 'daisy' in formats and book.daisy_file:
+            filename = book.daisy_file.path
+            archive.write(filename, str('%s.daisy.zip' % book.slug))
     archive.close()
 
     response = HttpResponse(content_type='application/zip', mimetype='application/x-zip-compressed')
@@ -517,12 +604,12 @@ def shelf_book_formats(request, shelf):
     """
     shelf = get_object_or_404(models.Tag, slug=shelf, category='set')
 
-    formats = {'pdf': False, 'epub': False, 'odt': False, 'txt': False, 'mp3': False, 'ogg': False}
+    formats = {'pdf': False, 'epub': False, 'odt': False, 'txt': False, 'mp3': False, 'ogg': False, 'daisy': False}
 
     for book in collect_books(models.Book.tagged.with_all(shelf)):
         if book.pdf_file:
             formats['pdf'] = True
-        if book.epub_file:
+        if book.root_ancestor.epub_file:
             formats['epub'] = True
         if book.odt_file:
             formats['odt'] = True
@@ -532,6 +619,8 @@ def shelf_book_formats(request, shelf):
             formats['mp3'] = True
         if book.ogg_file:
             formats['ogg'] = True
+        if book.daisy_file:
+            formats['daisy'] = True
 
     return HttpResponse(LazyEncoder().encode(formats))