def generate_offer_data(user, course): """ Create a dictionary of information about the current discount offer. Used by serializers to pass onto frontends and by the LMS locally to generate HTML for template rendering. Returns a dictionary of data, or None if no offer is applicable. """ if not user or not course or user.is_anonymous: return None ExperimentData.objects.get_or_create( user=user, experiment_id=REV1008_EXPERIMENT_ID, key=str(course), defaults={ 'value': datetime.now(tz=pytz.UTC).strftime('%Y-%m-%d %H:%M:%S%z'), }, ) expiration_date = get_discount_expiration_date(user, course) if not expiration_date: return None if not can_receive_discount(user, course, discount_expiration_date=expiration_date): return None original, discounted, percentage = _get_discount_prices(user, course, assume_discount=True) return { 'code': 'BIENVENIDOAEDX' if get_language() == 'es-419' else 'EDXWELCOME', 'expiration_date': expiration_date, 'original_price': original, 'discounted_price': discounted, 'percentage': percentage, 'upgrade_url': verified_upgrade_deadline_link(user, course=course), }
def _get_discount_prices(user, course, assume_discount=False): """ Return a tuple of (original, discounted, percentage) If assume_discount is True, we do not check if a discount applies and just go ahead with discount math anyway. Each returned price is a string with appropriate currency formatting added already. discounted and percentage will be returned as None if no discount is applicable. """ base_price = get_course_prices(course, verified_only=True)[0] can_discount = assume_discount or can_receive_discount(user, course) if can_discount: percentage = discount_percentage(course) discounted_price = base_price * ((100.0 - percentage) / 100) if discounted_price: # leave 0 prices alone, as format_course_price below will adjust to 'Free' if discounted_price == int(discounted_price): discounted_price = f'{discounted_price:0.0f}' else: discounted_price = f'{discounted_price:0.2f}' return format_course_price(base_price), format_course_price( discounted_price), percentage else: return format_course_price(base_price), None, None
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(course), span_close=HTML('</span>'), div_close=HTML('</div>'), strikeout_price=HTML(format_strikeout_price(user, course, check_for_discount=False)[0]) )) return None
def generate_offer_html(user, course): """ Create the actual HTML object with the offer text in it. Returns a openedx.core.djangolib.markup.HTML object, or None if the user should not be shown an offer message. """ if user and not user.is_anonymous and course: now = datetime.now(tz=pytz.UTC).strftime(u"%Y-%m-%d %H:%M:%S%z") saw_banner = ExperimentData.objects.filter( user=user, experiment_id=REV1008_EXPERIMENT_ID, key=str(course)) if not saw_banner: ExperimentData.objects.create(user=user, experiment_id=REV1008_EXPERIMENT_ID, key=str(course), value=now) 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}Use code {b_open}{code}{b_close} at checkout! ' u'{a_open}Upgrade Now{a_close}{div_close}') message_html = HTML(offer_message).format( a_open=HTML(u'<a id="welcome" href="{upgrade_link}">').format( upgrade_link=verified_upgrade_deadline_link( user=user, course=course)), a_close=HTML('</a>'), b_open=HTML('<b>'), code=Text('BIENVENIDOAEDX') if get_language() == 'es-419' else Text('EDXWELCOME'), b_close=HTML('</b>'), br=HTML('<br>'), banner_open=HTML( '<div class="first-purchase-offer-banner" role="note">' '<span class="first-purchase-offer-banner-bold"><b>'), discount_expiration_date=discount_expiration_date.strftime( u'%B %d'), percentage=discount_percentage(course), span_close=HTML('</b></span>'), div_close=HTML('</div>'), strikeout_price=HTML( format_strikeout_price(user, course, check_for_discount=False)[0])) return message_html return None
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(course)) / 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-only'>"), 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): if user and course and can_receive_discount(user=user, course=course): # Translator: xgettext:no-python-format offer_message = _( u'{banner_open}{percentage}% off your first upgrade.{span_close}' u' Discount automatically applied.{div_close}') return Fragment( HTML(offer_message).format(banner_open=HTML( '<div class="first-purchase-offer-banner"><span class="first-purchase-offer-banner-bold">' ), percentage=discount_percentage(), span_close=HTML('</span>'), div_close=HTML('</div>'))) return None
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 not user.is_anonymous and course: now = datetime.now(tz=pytz.UTC) stop_bucketing_into_discount_experiment = datetime( 2019, 11, 22, 0, 0, 0, 0, pytz.UTC) saw_banner = ExperimentData.objects.filter( user=user, experiment_id=REV1008_EXPERIMENT_ID, key=str(course)) if not saw_banner and not now > stop_bucketing_into_discount_experiment: ExperimentData.objects.create( user=user, experiment_id=REV1008_EXPERIMENT_ID, key=str(course), value=now.strftime(u"%Y-%m-%d %H:%M:%S%z")) 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" role="note">' '<span class="first-purchase-offer-banner-bold">'), discount_expiration_date=discount_expiration_date.strftime( u'%B %d'), percentage=discount_percentage(course), span_close=HTML('</span>'), div_close=HTML('</div>'), strikeout_price=HTML( format_strikeout_price(user, course, check_for_discount=False)[0]))) return None
def get_first_purchase_offer_banner_fragment(user, course): if (FIRST_PURCHASE_OFFER_BANNER_DISPLAY.is_enabled() and user and course and can_receive_discount(user=user, course_key_string=unicode(course.id))): # Translator: xgettext:no-python-format offer_message = _(u'{banner_open}{percentage}% off your first upgrade.{span_close}' u' Discount automatically applied.{div_close}') return Fragment(HTML(offer_message).format( banner_open=HTML( '<div class="first-purchase-offer-banner"><span class="first-purchase-offer-banner-bold">' ), percentage=discount_percentage(), span_close=HTML('</span>'), div_close=HTML('</div>') ))
def get_first_purchase_offer_banner_fragment(user, course): if (FIRST_PURCHASE_OFFER_BANNER_DISPLAY.is_enabled() and user and course and can_receive_discount(user=user, course=course)): # Translator: xgettext:no-python-format offer_message = _(u'{banner_open}{percentage}% off your first upgrade.{span_close}' u' Discount automatically applied.{div_close}') return Fragment(HTML(offer_message).format( banner_open=HTML( '<div class="first-purchase-offer-banner"><span class="first-purchase-offer-banner-bold">' ), percentage=discount_percentage(), span_close=HTML('</span>'), div_close=HTML('</div>') ))