# -*- coding: utf-8 -*-
# This file is part of Shuup.
#
# Copyright (c) 2012-2017, Shoop Commerce Ltd. All rights reserved.
#
# This source code is licensed under the OSL-3.0 license found in the
# LICENSE file in the root directory of this source tree.
from time import time
from django.utils.translation import ugettext_lazy as _
from shuup.core import cache
from shuup.notify.base import Event, Variable
from shuup.notify.typology import Boolean, Model
[docs]class AlertLimitReached(Event):
cache_key_fmt = "stock_alert_%s_%s"
identifier = "alert_limit_reached"
name = _("Alert Limit Reached")
supplier = Variable(_("Supplier"), type=Model("shuup.Supplier"))
product = Variable(_("Product"), type=Model("shuup.Product"))
dispatched_last_24hs = Variable(_("Fired in the last 24 hours?"),
type=Boolean,
help_text=_("This will be True if this event was already dispatched "
"in the last 24 hours for the same product and supplier. "
"This is useful to prevent sending identical notifications in a short "
"period of time."))
def __init__(self, **variable_values):
cache_key = self.cache_key_fmt % (variable_values["supplier"].pk, variable_values["product"].pk)
last_dispatch_time = cache.get(cache_key)
if last_dispatch_time:
last_dispatch = int((time() - last_dispatch_time) / 60 / 60)
variable_values["dispatched_last_24hs"] = (last_dispatch < 24)
else:
variable_values["dispatched_last_24hs"] = False
super(AlertLimitReached, self).__init__(**variable_values)
[docs] def run(self):
cache_key = self.cache_key_fmt % (self.variable_values["supplier"].pk, self.variable_values["product"].pk)
cache.set(cache_key, time(), timeout=(60 * 60 * 24))
super(AlertLimitReached, self).run()