Files
notifications-api/app/notifications/rest.py
Adam Shimali 731bb19a9c Template and personalisation content is now merged and returned with
notifications, when retrieved by notification id, or service id (i.e.
all notifications for service).

There is a new element returned at top level of notification json called
body, which is the template content merged with personalisation. This
is consistent with api to endpoint to create notification which returns
what was sent as 'body' in json response.

Merging of template with personalisation is done in the
NotificationStatusSchema.

Personalisation data in encrypted before storing in db.
2016-06-20 16:49:17 +01:00

381 lines
14 KiB
Python

from datetime import datetime
import itertools
from flask import (
Blueprint,
jsonify,
request,
current_app,
url_for,
json
)
from notifications_utils.recipients import allowed_to_send_to, first_column_heading
from notifications_utils.template import Template
from app.clients.email.aws_ses import get_aws_responses
from app import api_user, encryption, create_uuid, DATETIME_FORMAT, DATE_FORMAT, statsd_client
from app.authentication.auth import require_admin
from app.dao import (
templates_dao,
services_dao,
notifications_dao
)
from app.notifications.process_client_response import (
validate_callback_data,
process_sms_client_response
)
from app.schemas import (
email_notification_schema,
sms_template_notification_schema,
notification_status_schema,
notifications_filter_schema,
notifications_statistics_schema,
day_schema,
unarchived_template_schema
)
from app.celery.tasks import send_sms, send_email
notifications = Blueprint('notifications', __name__)
from app.errors import (
register_errors,
InvalidRequest
)
register_errors(notifications)
@notifications.route('/notifications/email/ses', methods=['POST'])
def process_ses_response():
client_name = 'SES'
try:
ses_request = json.loads(request.data)
errors = validate_callback_data(data=ses_request, fields=['Message'], client_name=client_name)
if errors:
raise InvalidRequest(errors, status_code=400)
ses_message = json.loads(ses_request['Message'])
errors = validate_callback_data(data=ses_message, fields=['notificationType'], client_name=client_name)
if errors:
raise InvalidRequest(errors, status_code=400)
notification_type = ses_message['notificationType']
if notification_type == 'Bounce':
if ses_message['bounce']['bounceType'] == 'Permanent':
notification_type = ses_message['bounce']['bounceType'] # permanent or not
else:
notification_type = 'Temporary'
try:
aws_response_dict = get_aws_responses(notification_type)
except KeyError:
error = "{} callback failed: status {} not found".format(client_name, notification_type)
raise InvalidRequest(error, status_code=400)
notification_status = aws_response_dict['notification_status']
notification_statistics_status = aws_response_dict['notification_statistics_status']
try:
source = ses_message['mail']['source']
if is_not_a_notification(source):
current_app.logger.info(
"SES callback for notify success:. source {} status {}".format(source, notification_status)
)
return jsonify(
result="success", message="SES callback succeeded"
), 200
reference = ses_message['mail']['messageId']
if not notifications_dao.update_notification_status_by_reference(
reference,
notification_status,
notification_statistics_status
):
error = "SES callback failed: notification either not found or already updated " \
"from sending. Status {}".format(notification_status)
raise InvalidRequest(error, status_code=404)
if not aws_response_dict['success']:
current_app.logger.info(
"SES delivery failed: notification {} has error found. Status {}".format(
reference,
aws_response_dict['message']
)
)
statsd_client.incr('notifications.callback.ses.{}'.format(notification_statistics_status))
return jsonify(
result="success", message="SES callback succeeded"
), 200
except KeyError:
message = "SES callback failed: messageId missing"
raise InvalidRequest(message, status_code=400)
except ValueError as ex:
error = "{} callback failed: invalid json".format(client_name)
raise InvalidRequest(error, status_code=400)
def is_not_a_notification(source):
invite_email = "{}@{}".format(
current_app.config['INVITATION_EMAIL_FROM'],
current_app.config['NOTIFY_EMAIL_DOMAIN']
)
if current_app.config['VERIFY_CODE_FROM_EMAIL_ADDRESS'] == source:
return True
if invite_email == source:
return True
return False
@notifications.route('/notifications/sms/mmg', methods=['POST'])
def process_mmg_response():
client_name = 'MMG'
data = json.loads(request.data)
errors = validate_callback_data(data=data,
fields=['status', 'CID'],
client_name=client_name)
if errors:
raise InvalidRequest(errors, status_code=400)
success, errors = process_sms_client_response(status=str(data.get('status')),
reference=data.get('CID'),
client_name=client_name)
if errors:
raise InvalidRequest(errors, status_code=400)
else:
return jsonify(result='success', message=success), 200
@notifications.route('/notifications/sms/firetext', methods=['POST'])
def process_firetext_response():
client_name = 'Firetext'
errors = validate_callback_data(data=request.form,
fields=['status', 'reference'],
client_name=client_name)
if errors:
raise InvalidRequest(errors, status_code=400)
response_code = request.form.get('code')
status = request.form.get('status')
statsd_client.incr('notifications.callback.firetext.code.{}'.format(response_code))
current_app.logger.info('Firetext status: {}, extended error code: {}'.format(status, response_code))
success, errors = process_sms_client_response(status=status,
reference=request.form.get('reference'),
client_name=client_name)
if errors:
raise InvalidRequest(errors, status_code=400)
else:
return jsonify(result='success', message=success), 200
@notifications.route('/notifications/<uuid:notification_id>', methods=['GET'])
def get_notifications(notification_id):
notification = notifications_dao.get_notification(api_user['client'], notification_id)
return jsonify(data={"notification": notification_status_schema.dump(notification).data}), 200
@notifications.route('/notifications', methods=['GET'])
def get_all_notifications():
data = notifications_filter_schema.load(request.args).data
page = data['page'] if 'page' in data else 1
page_size = data['page_size'] if 'page_size' in data else current_app.config.get('PAGE_SIZE')
limit_days = data.get('limit_days')
pagination = notifications_dao.get_notifications_for_service(
api_user['client'],
filter_dict=data,
page=page,
page_size=page_size,
limit_days=limit_days)
return jsonify(
notifications=notification_status_schema.dump(pagination.items, many=True).data,
page_size=page_size,
total=pagination.total,
links=pagination_links(
pagination,
'.get_all_notifications',
**request.args.to_dict()
)
), 200
@notifications.route('/service/<service_id>/notifications', methods=['GET'])
@require_admin()
def get_all_notifications_for_service(service_id):
data = notifications_filter_schema.load(request.args).data
page = data['page'] if 'page' in data else 1
page_size = data['page_size'] if 'page_size' in data else current_app.config.get('PAGE_SIZE')
limit_days = data.get('limit_days')
pagination = notifications_dao.get_notifications_for_service(
service_id,
filter_dict=data,
page=page,
page_size=page_size,
limit_days=limit_days)
kwargs = request.args.to_dict()
kwargs['service_id'] = service_id
return jsonify(
notifications=notification_status_schema.dump(pagination.items, many=True).data,
page_size=page_size,
total=pagination.total,
links=pagination_links(
pagination,
'.get_all_notifications_for_service',
**kwargs
)
), 200
@notifications.route('/service/<service_id>/job/<job_id>/notifications', methods=['GET'])
@require_admin()
def get_all_notifications_for_service_job(service_id, job_id):
data = notifications_filter_schema.load(request.args).data
page = data['page'] if 'page' in data else 1
page_size = data['page_size'] if 'page_size' in data else current_app.config.get('PAGE_SIZE')
pagination = notifications_dao.get_notifications_for_job(
service_id,
job_id,
filter_dict=data,
page=page,
page_size=page_size)
kwargs = request.args.to_dict()
kwargs['service_id'] = service_id
kwargs['job_id'] = job_id
return jsonify(
notifications=notification_status_schema.dump(pagination.items, many=True).data,
page_size=page_size,
total=pagination.total,
links=pagination_links(
pagination,
'.get_all_notifications_for_service_job',
**kwargs
)
), 200
def pagination_links(pagination, endpoint, **kwargs):
if 'page' in kwargs:
kwargs.pop('page', None)
links = dict()
if pagination.has_prev:
links['prev'] = url_for(endpoint, page=pagination.prev_num, **kwargs)
if pagination.has_next:
links['next'] = url_for(endpoint, page=pagination.next_num, **kwargs)
links['last'] = url_for(endpoint, page=pagination.pages, **kwargs)
return links
@notifications.route('/notifications/<string:notification_type>', methods=['POST'])
def send_notification(notification_type):
if notification_type not in ['sms', 'email']:
assert False
service_id = api_user['client']
service = services_dao.dao_fetch_service_by_id(api_user['client'])
service_stats = notifications_dao.dao_get_notification_statistics_for_service_and_day(
service_id,
datetime.today().strftime(DATE_FORMAT)
)
if service_stats:
total_sms_count = service_stats.sms_requested
total_email_count = service_stats.emails_requested
if (total_email_count + total_sms_count >= service.message_limit) and service.restricted:
error = 'Exceeded send limits ({}) for today'.format(service.message_limit)
raise InvalidRequest(error, status_code=429)
notification, errors = (
sms_template_notification_schema if notification_type == 'sms' else email_notification_schema
).load(request.get_json())
if errors:
raise InvalidRequest(errors, status_code=400)
template = templates_dao.dao_get_template_by_id_and_service_id(
template_id=notification['template'],
service_id=service_id
)
errors = unarchived_template_schema.validate({'archived': template.archived})
if errors:
raise InvalidRequest(errors, status_code=400)
template_object = Template(template.__dict__, notification.get('personalisation', {}))
if template_object.missing_data:
message = 'Missing personalisation: {}'.format(", ".join(template_object.missing_data))
errors = {'template': [message]}
raise InvalidRequest(errors, status_code=400)
if template_object.additional_data:
message = 'Personalisation not needed for template: {}'.format(", ".join(template_object.additional_data))
errors = {'template': [message]}
raise InvalidRequest(errors, status_code=400)
if template_object.replaced_content_count > current_app.config.get('SMS_CHAR_COUNT_LIMIT'):
char_count = current_app.config.get('SMS_CHAR_COUNT_LIMIT')
message = 'Content has a character count greater than the limit of {}'.format(char_count)
errors = {'content': [message]}
raise InvalidRequest(errors, status_code=400)
if service.restricted and not allowed_to_send_to(
notification['to'],
itertools.chain.from_iterable(
[user.mobile_number, user.email_address] for user in service.users
)
):
message = 'Invalid {} for restricted service'.format(first_column_heading[notification_type])
errors = {'to': [message]}
raise InvalidRequest(errors, status_code=400)
notification_id = create_uuid()
notification.update({"template_version": template.version})
if notification_type == 'sms':
send_sms.apply_async((
service_id,
notification_id,
encryption.encrypt(notification),
datetime.utcnow().strftime(DATETIME_FORMAT)
), queue='sms')
else:
send_email.apply_async((
service_id,
notification_id,
encryption.encrypt(notification),
datetime.utcnow().strftime(DATETIME_FORMAT)
), queue='email')
statsd_client.incr('notifications.api.{}'.format(notification_type))
return jsonify(
data=get_notification_return_data(
notification_id,
notification,
template_object)
), 201
def get_notification_return_data(notification_id, notification, template):
output = {
'body': template.replaced,
'template_version': notification['template_version'],
'notification': {'id': notification_id}
}
if template.template_type == 'email':
output.update({'subject': template.subject})
return output
@notifications.route('/notifications/statistics')
def get_notification_statistics_for_day():
data = day_schema.load(request.args).data
statistics = notifications_dao.dao_get_potential_notification_statistics_for_day(
day=data['day']
)
data, errors = notifications_statistics_schema.dump(statistics, many=True)
return jsonify(data=data), 200