def _get_untweeted_tweet(key, user):
tweet = ScheduledTweet.get(key)
if tweet.user != user:
raise Exception("User does not own Tweet")
if tweet.tweeted:
raise Exception("Tweet already Tweeted")
return tweet
def batch_delete(request):
tweets = ScheduledTweet.all()
tweets.filter('tweeted =', True)
# Delete all Tweets >= 1 day old.
tweets.filter('created_at <=', datetime.utcnow() - timedelta(days=1))
for tweet in tweets:
tweet.delete()
return HttpResponse()
def save(request):
user = request.user
key = request.POST.get("key")
if key:
tweet = _get_untweeted_tweet(key, user)
else:
# Only check if user exceeded usage limits when new Tweet created, not when
# editing existing one.
if _too_many_tweets_sent(user):
return HttpResponse("Too many Tweets sent.", status=403, content_type="text/plain")
tweet = ScheduledTweet()
properties = {
"user": user,
"tweet": request.POST.get("tweet"),
"post_at": datetime.utcfromtimestamp(float(request.POST.get("post_at", 0))),
"ip_address": request.META.get("REMOTE_ADDR"),
}
[setattr(tweet, property, properties[property]) for property in properties]
tweet.put()
return HttpResponse("Woohoo! Your Tweet has been scheduled.", content_type="text/plain")
def next_scheduled(request):
from django.template import Context
from django.template.loader import get_template
tweet = ScheduledTweet.untweeted(request.user, descending=False).get()
if tweet:
template = get_template("_next_scheduled_tweet.html")
content = template.render(Context({"tweet": tweet}))
return JsonResponse({"content": content})
else:
# HTTP status code must currently be 200 -- otherwise, jQuery's getJSON
# won't execute my callback, thereby preventing me from handling the error.
return JsonResponse({"error_code": "no_tweets_scheduled", "error_text": "No Tweets scheduled."})
def batch_send(request):
tweets = ScheduledTweet.all()
tweets.filter('post_at <=', datetime.utcnow())
tweets.filter('tweeted =', False)
twitterer = Twitterer()
for tweet in tweets:
try:
successfully_tweeted = twitterer.tweet(tweet)
except Exception, e:
# TODO: add e-mail notification (or some other handling) if tweet fails. Or perhaps
# should simply notify whenever logging.error is called.
logging.error('%s raised when sending Tweet %s: %s' % (repr(e), tweet, e))
else:
if successfully_tweeted:
tweet.tweeted = True
tweet.put()
def _too_many_tweets_sent(user):
tweets = ScheduledTweet.all()
tweets.filter("user =", user)
return tweets.count() >= 50
def view(request):
tweets = ScheduledTweet.untweeted(request.user)
return direct_to_template(request, "view_tweets.html", {"tweets": tweets})
def edit(request):
return direct_to_template(request, "edit_tweet.html", {"tweet": ScheduledTweet.get(request.GET.get("key"))})