58 lines
2.2 KiB
Python
58 lines
2.2 KiB
Python
"""
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Utility functions for working with discounts and discounted pricing.
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"""
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from django.utils.translation import ugettext as _
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from course_modes.models import get_course_prices, format_course_price
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from openedx.core.djangolib.markup import HTML
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from .applicability import can_receive_discount, discount_percentage
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def format_strikeout_price(user, course, base_price=None):
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"""
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Return a formatted price, including a struck-out original price if a discount applies, and also
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whether a discount was applied, as the tuple (formatted_price, has_discount).
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"""
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if base_price is None:
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base_price = get_course_prices(course, verified_only=True)[0]
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original_price = format_course_price(base_price)
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if can_receive_discount(user, course):
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discount_price = base_price * ((100.0 - discount_percentage()) / 100)
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if discount_price == int(discount_price):
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discount_price = format_course_price("{:0.0f}".format(discount_price))
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else:
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discount_price = format_course_price("{:0.2f}".format(discount_price))
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# Separate out this string because it has a lot of syntax but no actual information for
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# translators to translate
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formatted_discount_price = HTML(
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u"{s_dp}{discount_price}{e_p} {s_st}{s_op}{original_price}{e_p}{e_st}"
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).format(
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original_price=original_price,
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discount_price=discount_price,
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s_op=HTML("<span class='price original'>"),
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s_dp=HTML("<span class='price discount'>"),
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s_st=HTML("<del aria-hidden='true'>"),
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e_p=HTML("</span>"),
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e_st=HTML("</del>"),
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)
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return (
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HTML(_(
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u"{s_sr}Original price: {s_op}{original_price}{e_p}, discount price: {e_sr}{formatted_discount_price}"
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)).format(
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original_price=original_price,
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formatted_discount_price=formatted_discount_price,
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s_sr=HTML("<span class='sr'>"),
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s_op=HTML("<span class='price original'>"),
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e_p=HTML("</span>"),
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e_sr=HTML("</span>"),
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),
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True
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)
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else:
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return (HTML(u"<span class='price'>{}</span>").format(original_price), False)
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