feat: Remove course refund email and update_course_enrollment from ec…

…ommerce-worker (#124)

As part of the sailthru to braze transition
AA-715

ecommerce_worker/configuration/base.py

@@ -127,7 +127,6 @@
 
     # Transactional email template name map
     'templates': {
-        'course_refund': 'Course Refund',
         'assignment_email': 'Offer Assignment Email',
         'enterprise_portal_email': 'Enterprise Portal Email',
     }

ecommerce_worker/sailthru/v1/tasks.py

@@ -221,148 +221,6 @@ def _update_unenrolled_list(sailthru_client, email, course_url, unenroll):
         return False
 
 
-@shared_task(bind=True, ignore_result=True)
-def update_course_enrollment(self, email, course_url, purchase_incomplete, mode, unit_cost=None, course_id=None,
-                             currency=None, message_id=None, site_code=None, sku=None):
-    """Adds/updates Sailthru when a user adds to cart/purchases/upgrades a course
-
-     Args:
-        email(str): The user's email address
-        course_url(str): Course home page url
-        purchase_incomplete(boolean): True if adding to cart
-        mode(string): enroll mode (audit, verification, ...)
-        unit_cost(decimal): cost if purchase event
-        course_id(CourseKey): course id
-        currency(str): currency if purchase event - currently ignored since Sailthru only supports USD
-        message_id(str): value from Sailthru marketing campaign cookie
-        site_code(str): site code
-
-    Returns:
-        None
-    """
-    # Celery converts decimals to strings, so convert back
-    unit_cost = Decimal(unit_cost)
-
-    # Get configuration
-    config = get_sailthru_configuration(site_code)
-
-    try:
-        sailthru_client = get_sailthru_client(site_code)
-    except SailthruError:
-        # NOTE: We rely on the function to log the error for us
-        return
-
-    # Use event type to figure out processing required
-    new_enroll = False
-    send_template = None
-
-    if not purchase_incomplete:
-        if mode == 'verified':
-            # upgrade complete
-            send_template = config.get('SAILTHRU_UPGRADE_TEMPLATE')
-        elif mode in ('audit', 'honor'):
-            # free enroll
-            new_enroll = True
-            send_template = config.get('SAILTHRU_ENROLL_TEMPLATE')
-        else:
-            # paid course purchase complete
-            new_enroll = True
-            send_template = config.get('SAILTHRU_PURCHASE_TEMPLATE')
-
-    # calc price in pennies for Sailthru
-    #  https://getstarted.sailthru.com/new-for-developers-overview/advanced-features/purchase/
-    cost_in_cents = int(unit_cost * 100)
-
-    # update the "unenrolled" course array in the user record on Sailthru if new enroll or unenroll
-    if new_enroll:
-        if not _update_unenrolled_list(sailthru_client, email, course_url, False):
-            schedule_retry(self, config)
-
-    # Get course data from Sailthru content library or cache
-    course_data = _get_course_content(course_id, course_url, sailthru_client, site_code, config)
-
-    # build item description
-    item = _build_purchase_item(course_id, course_url, cost_in_cents, mode, course_data, sku)
-
-    # build purchase api options list
-    options = {}
-    if purchase_incomplete and config.get('SAILTHRU_ABANDONED_CART_TEMPLATE'):
-        options['reminder_template'] = config.get('SAILTHRU_ABANDONED_CART_TEMPLATE')
-        # Sailthru reminder time format is '+n time unit'
-        options['reminder_time'] = "+{} minutes".format(config.get('SAILTHRU_ABANDONED_CART_DELAY'))
-
-    # add appropriate send template
-    if send_template:
-        options['send_template'] = send_template
-
-    if not _record_purchase(sailthru_client, email, item, purchase_incomplete, message_id, options):
-        schedule_retry(self, config)
-
-
-@shared_task(bind=True, ignore_result=True)
-def send_course_refund_email(self, email, refund_id, amount, course_name, order_number, order_url, site_code=None):
-    """ Sends the course refund email.
-
-    Args:
-        self: Ignore.
-        email (str): Recipient's email address.
-        refund_id (int): ID of the refund that initiated this task.
-        amount (str): Formatted amount of the refund.
-        course_name (str): Name of the course for which payment was refunded.
-        order_number (str): Order number of the order that was refunded.
-        order_url (str): Receipt URL of the refunded order.
-        site_code (str): Identifier of the site sending the email.
-    """
-    config = get_sailthru_configuration(site_code)
-
-    try:
-        sailthru_client = get_sailthru_client(site_code)
-    except SailthruError:
-        # NOTE: We rely on the function to log the error for us
-        return
-
-    email_vars = {
-        'amount': amount,
-        'course_name': course_name,
-        'order_number': order_number,
-        'order_url': order_url,
-    }
-
-    try:
-        response = sailthru_client.send(
-            template=config['templates']['course_refund'],
-            email=email,
-            _vars=email_vars
-        )
-    except SailthruClientError:
-        logger.exception(
-            'A client error occurred while attempting to send a course refund notification for refund [%d].',
-            refund_id
-        )
-        return
-
-    if response.is_ok():
-        logger.info('Course refund notification sent for refund %d.', refund_id)
-    else:
-        error = response.get_error()
-        logger.error(
-            'An error occurred while attempting to send a course refund notification for refund [%d]: %d - %s',
-            refund_id, error.get_error_code(), error.get_message()
-        )
-
-        if can_retry_sailthru_request(error):
-            logger.info(
-                'An attempt will be made again to send a course refund notification for refund [%d].',
-                refund_id
-            )
-            schedule_retry(self, config)
-        else:
-            logger.warning(
-                'No further attempts will be made to send a course refund notification for refund [%d].',
-                refund_id
-            )
-
-
 def _send_offer_assignment_email_via_braze(self, user_email, offer_assignment_id, subject, email_body, sender_alias,
                                 site_code=None, base_enterprise_url=''):
     """