X-Git-Url: https://git.mdrn.pl/redakcja.git/blobdiff_plain/2f9c60b76f3ab4e69d794a6bb14388a81ff29eb7..5913c54d19b8f6775633176032161d49f9b2f1aa:/apps/catalogue/helpers.py diff --git a/apps/catalogue/helpers.py b/apps/catalogue/helpers.py deleted file mode 100644 index c9dc0bd9..00000000 --- a/apps/catalogue/helpers.py +++ /dev/null @@ -1,65 +0,0 @@ -from functools import wraps - -from django.db.models import Count - - -def active_tab(tab): - """ - View decorator, which puts tab info on a request. - """ - def wrapper(f): - @wraps(f) - def wrapped(request, *args, **kwargs): - request.catalogue_active_tab = tab - return f(request, *args, **kwargs) - return wrapped - return wrapper - - -class ChunksList(object): - def __init__(self, chunk_qs): - self.chunk_qs = chunk_qs.annotate( - book_length=Count('book__chunk')).select_related( - 'book', 'stage__name', - 'user') - - self.book_qs = chunk_qs.values('book_id') - - def __getitem__(self, key): - if isinstance(key, slice): - return self.get_slice(key) - elif isinstance(key, int): - return self.get_slice(slice(key, key+1))[0] - else: - raise TypeError('Unsupported list index. Must be a slice or an int.') - - def __len__(self): - return self.book_qs.count() - - def get_slice(self, slice_): - book_ids = [x['book_id'] for x in self.book_qs[slice_]] - chunk_qs = self.chunk_qs.filter(book__in=book_ids) - - chunks_list = [] - book = None - for chunk in chunk_qs: - if chunk.book != book: - book = chunk.book - chunks_list.append(ChoiceChunks(book, [chunk], chunk.book_length)) - else: - chunks_list[-1].chunks.append(chunk) - return chunks_list - - -class ChoiceChunks(object): - """ - Associates the given chunks iterable for a book. - """ - - chunks = None - - def __init__(self, book, chunks, book_length): - self.book = book - self.chunks = chunks - self.book_length = book_length -