subscription.py 文件源码

def filter_subscriptions_by_user_data(subscriptions, user):
    approved_subscriptions = []
    for subscription in subscriptions:
        subscription_rules = ndb.Key(urlsafe=subscription['id']).get().user_rules

        if subscription.get('rule_logic') == 'any':
            assert subscription_rules, 'You created logic for rules but don\'t have any rules!'
            approved = apply_rules(user, subscription, subscription_rules, any)
        elif subscription.get('rule_logic') == 'all':
            assert subscription_rules, 'You created logic for rules but don\'t have any rules!'
            approved = apply_rules(user, subscription, subscription_rules, all)
        else:
            approved = subscription

        if approved is not None:
            approved_subscriptions.append(approved)
    return approved_subscriptions