def subscribe(request):
"""
Add a subscription, and specify tags to go with the subscription.
If a feed can not be found at the given URL, or you already subscribe
to the given URL, a failure with an appropriate message is returned.
Upon success, the json response contains details about the subsctipion
for updating the UI.
"""
# FIXME: should implement real logging at some point
print request.POST
feed_url = request.POST.get("feed_url")
tag_vals = request.POST.getlist("tags[]")
feed = services.feed_for_url(feed_url)
if feed == None:
print "a"
resp_body = _failure_json("A feed could not be found for the supplied url.")
else:
# Check if the user is already subscribed
subs = Subscription.objects.filter(subscriber=request.user, feed=feed)
if subs.count() > 0:
resp_body = _failure_json("You already have a subscription for the supplied url.")
else:
if not feed.pk:
# then it's a new feed
feed.save()
new_sub = Subscription(feed=feed, subscriber=request.user)
new_sub.save()
tags = Tag.get_or_create(tag_vals)
new_sub.tags.add(*tags)
new_sub.save()
resp_body = _subscription_json(new_sub)
return _json_http_response(resp_body)
def update_subscription(request):
""" Update a subsctiption. For now, only the tag set can be updated. """
# FIXME: should implement real logging at some point
print request.POST
sub_id = request.POST.get("subscription_id")
tag_vals = request.POST.getlist("tags[]")
sub = Subscription.objects.filter(id=sub_id)[0]
sub.tags.clear()
tags = Tag.get_or_create(tag_vals)
sub.tags.add(*tags)
sub.save()
# The tags got trimmed and dupes removed -- see Tag.get_or_create()
result_tag_vals = [t.tag for t in tags]
# Pass back the subscription_id, too, as a convenience for updating
# the displayed tags
print "result_tags: "
print result_tag_vals
resp_content = {"subscription_id": sub_id, "tags": result_tag_vals}
return _json_http_response(_success_json("content", resp_content))
