059b619794
REV-980. * moved get_first_purchase_offer_banner_fragment to Discounts utils.py * added banner wrapper method * updated banner with time limit
95 lines
4.1 KiB
Python
95 lines
4.1 KiB
Python
"""
|
|
Utility functions for working with discounts and discounted pricing.
|
|
"""
|
|
|
|
from django.utils.translation import ugettext as _
|
|
from course_modes.models import get_course_prices, format_course_price
|
|
from lms.djangoapps.courseware.date_summary import verified_upgrade_deadline_link
|
|
from openedx.core.djangolib.markup import HTML
|
|
from web_fragments.fragment import Fragment
|
|
from openedx.features.discounts.applicability import (
|
|
can_receive_discount,
|
|
get_discount_expiration_date,
|
|
discount_percentage
|
|
)
|
|
|
|
|
|
def format_strikeout_price(user, course, base_price=None, check_for_discount=True):
|
|
"""
|
|
Return a formatted price, including a struck-out original price if a discount applies, and also
|
|
whether a discount was applied, as the tuple (formatted_price, has_discount).
|
|
"""
|
|
if base_price is None:
|
|
base_price = get_course_prices(course, verified_only=True)[0]
|
|
|
|
original_price = format_course_price(base_price)
|
|
|
|
if not check_for_discount or can_receive_discount(user, course):
|
|
discount_price = base_price * ((100.0 - discount_percentage()) / 100)
|
|
if discount_price == int(discount_price):
|
|
discount_price = format_course_price("{:0.0f}".format(discount_price))
|
|
else:
|
|
discount_price = format_course_price("{:0.2f}".format(discount_price))
|
|
|
|
# Separate out this string because it has a lot of syntax but no actual information for
|
|
# translators to translate
|
|
formatted_discount_price = HTML(
|
|
u"{s_dp}{discount_price}{e_p} {s_st}{s_op}{original_price}{e_p}{e_st}"
|
|
).format(
|
|
original_price=original_price,
|
|
discount_price=discount_price,
|
|
s_op=HTML("<span class='price original'>"),
|
|
s_dp=HTML("<span class='price discount'>"),
|
|
s_st=HTML("<del aria-hidden='true'>"),
|
|
e_p=HTML("</span>"),
|
|
e_st=HTML("</del>"),
|
|
)
|
|
|
|
return (
|
|
HTML(_(
|
|
u"{s_sr}Original price: {s_op}{original_price}{e_p}, discount price: {e_sr}{formatted_discount_price}"
|
|
)).format(
|
|
original_price=original_price,
|
|
formatted_discount_price=formatted_discount_price,
|
|
s_sr=HTML("<span class='sr'>"),
|
|
s_op=HTML("<span class='price original'>"),
|
|
e_p=HTML("</span>"),
|
|
e_sr=HTML("</span>"),
|
|
),
|
|
True
|
|
)
|
|
else:
|
|
return (HTML(u"<span class='price'>{}</span>").format(original_price), False)
|
|
|
|
|
|
def get_first_purchase_offer_banner_fragment(user, course):
|
|
"""
|
|
Return an HTML Fragment with First Purcahse Discount message,
|
|
which has the discount_expiration_date, price,
|
|
discount percentage and a link to upgrade.
|
|
"""
|
|
if user and course:
|
|
discount_expiration_date = get_discount_expiration_date(user, course)
|
|
if (discount_expiration_date and
|
|
can_receive_discount(user=user, course=course, discount_expiration_date=discount_expiration_date)):
|
|
# Translator: xgettext:no-python-format
|
|
offer_message = _(u'{banner_open} Upgrade by {discount_expiration_date} and save {percentage}% '
|
|
u'[{strikeout_price}]{span_close}{br}Discount will be automatically applied at checkout. '
|
|
u'{a_open}Upgrade Now{a_close}{div_close}')
|
|
return Fragment(HTML(offer_message).format(
|
|
a_open=HTML(u'<a href="{upgrade_link}">').format(
|
|
upgrade_link=verified_upgrade_deadline_link(user=user, course=course)
|
|
),
|
|
a_close=HTML('</a>'),
|
|
br=HTML('<br>'),
|
|
banner_open=HTML(
|
|
'<div class="first-purchase-offer-banner"><span class="first-purchase-offer-banner-bold">'
|
|
),
|
|
discount_expiration_date=discount_expiration_date.strftime(u'%B %d'),
|
|
percentage=discount_percentage(),
|
|
span_close=HTML('</span>'),
|
|
div_close=HTML('</div>'),
|
|
strikeout_price=HTML(format_strikeout_price(user, course, check_for_discount=False)[0])
|
|
))
|
|
return None
|