no fb2 on empty parents,

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

diff --git a/apps/catalogue/utils.py b/apps/catalogue/utils.py
index 29f40d1..bda7e04 100644 (file)
--- a/apps/catalogue/utils.py
+++ b/apps/catalogue/utils.py
@@ -44,6 +44,25 @@ def split_tags(tags):
     return result
 
 
+def get_dynamic_path(media, filename, ext=None, maxlen=100):
+    from slughifi import slughifi
+
+    # how to put related book's slug here?
+    if not ext:
+        # BookMedia case
+        ext = media.formats[media.type].ext
+    if media is None or not media.name:
+        name = slughifi(filename.split(".")[0])
+    else:
+        name = slughifi(media.name)
+    return 'book/%s/%s.%s' % (ext, name[:maxlen-len('book/%s/.%s' % (ext, ext))-4], ext)
+
+
+# TODO: why is this hard-coded ?
+def book_upload_path(ext=None, maxlen=100):
+    return lambda *args: get_dynamic_path(*args, ext=ext, maxlen=maxlen)
+
+
 class ExistingFile(UploadedFile):
 
     def __init__(self, path, *args, **kwargs):