def unique_path(page, page_id=None):
"""Makes unique_path for page, returns new path and slug.
Provided @page_id means do not check against self"""
slug = slugify(page.slug or page.name)[0:PAGE_SLUG_LENGTH]
parent_page = db.select("pages", page, where="id=$parent_id")[0]
test_slug, i = slug, 1
try:
while True:
if not test_slug in config.reserved:
new_path = join_path(parent_page.path, test_slug)
test = db.select(
"pages",
locals(),
where=("path=$new_path" +
web.cond(page_id, " AND NOT id=$page_id", "")),
)[0]
test_slug = "%s-%d" % (slug, i)
i += 1
except IndexError:
# Page with test_slug doesn't exist — take this slug
if parent_page.ids:
ids = parent_page.ids + "," + str(parent_page.id)
else:
ids = parent_page.id
return dict(
path=new_path,
slug=test_slug,
ids=ids,
level=parent_page.level + 1)
def join_path(path, slug=""):
"""Appends slug to path"""
return web.cond(path.endswith("/"), path, path + "/") + slug