def test__init(self):
"""Test __init__."""
for plan_type in Plan.PLANS:
plan = Plan(plan_type)
self.assertEqual(plan.plan_type, plan_type)
self.assertEqual(plan.allowance(), Plan.ALLOWANCE[plan_type])
self.assertEqual(plan.price(), Plan.PRICES[plan_type])
class Subscription(object):
"""Subscription model.
This model will hold the plan type and the websites attached to a client
"""
def __init__(self, plan, user):
"""Subscription class."""
self.plan = Plan(plan)
self.user = user
self._websites = []
def enabled_websites(self):
"""Return all enabled websites for this subscription."""
return [website for website in self._websites if website.enabled]
def add_website(self, url):
"""Add website to subscription.
:param str url: website's url.
:return: self for chain-ability
"""
enabled_websites = self.enabled_websites()
count = len(enabled_websites)
if self.plan.allowance() > 0 and count >= self.plan.allowance():
LOG.exception(
"Allowance for plan '{plan}' has been reached".format(
plan=self.plan))
raise SubscriptionWebsiteLimitReached(
"Cannot add any more websites to plan '{plan}'".format(
plan=self.plan))
websites = [
website for website in self._websites if website.url == url
]
if websites:
return self
self._websites.append(Website(url, self.user))
return self
def remove_website(self, url=None):
"""Remove a website from subscription.
If no url is given the last website added will be removed
:param str url: Url of website to remove.
"""
if not len(self._websites):
return self
if url:
self._websites = [
website for website in self._websites if website.url != url
]
else:
self._websites.pop()
return self
def disable_website(self, url):
"""Disable a specific website.
:param str url: Url of website to disable.
"""
websites = [
website for website in self._websites if website.url == url
]
if not websites:
return self
website = websites[0]
website.enabled = False
return self
def update_plan(self, new_plan):
"""Update plan.
This method will upgrade or downgrade the plan.
:param str new_plan: New plan name.
"""
upgraded = False
downgraded = False
try:
self.plan.upgrade(new_plan)
upgraded = True
except PlanUpgradeError:
pass
try:
self.plan.downgrade(new_plan)
downgraded = True
except PlanDowngradeError:
pass
if downgraded:
enabled_websites = self.enabled_websites()
if len(enabled_websites) > self.plan.allowance():
for website in enabled_websites[self.plan.allowance():]:
website.enabled = False
return self
if upgraded:
return self
# If we couldn't upgrade or downgrade then we raise an error.
LOG.exception(
"Error modifying subscription '{subscription}' to '{plan}'".format(
subscription=self, plan=new_plan))
raise SubscriptionPlanNotValid(
"'{subscription}' cannot be updated to plan '{new_plan}'".format(
subscription=self, new_plan=new_plan))
def __str__(self):
"""Str -> Plan: User."""
return "{plan}: {user}".format(plan=self.plan, user=self.user)
def __repr__(self):
"""Str -> Subscription(plan, user)."""
return "Subscription({plan}, {user})".format(plan=self.plan,
user=self.user)