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release lock when article is saved

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This commit is contained in:
James Turk 2010-03-31 10:33:40 -04:00
parent 0026c12e64
commit 16052c9612
2 changed files with 6 additions and 2 deletions
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4
markupwiki/models.py
View File

@ -42,10 +42,12 @@ class Article(models.Model):
else:
return user.is_authenticated()
def get_write_lock(self, user):
def get_write_lock(self, user, release=False):
cache_key = 'markupwiki_articlelock_%s' % self.id
lock = cache.get(cache_key)
if lock:
if release:
cache.delete(cache_key)
return lock == user.id
cache.set(cache_key, user.id, WRITE_LOCK_SECONDS)

4
markupwiki/views.py
View File

@ -105,7 +105,7 @@ def edit_article(request, title):
else:
if not article.get_write_lock(request.user):
# set message and redirect
messages.error(request, 'You took too long to edit and someone else is now editing this page.')
messages.error(request, 'Your session timed out and someone else is now editing this page.')
return redirect(article)
# otherwise get latest num
@ -118,6 +118,8 @@ def edit_article(request, title):
version.number = num
version.save()
article.get_write_lock(request.user, release=True)
# redirect to view article on save
return redirect(article)