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import requests
from django.conf import settings
class SlackNotifications():
def __init__(self):
self.destination = settings.SLACK_DESTINATION_URL
self.target_room = settings.SLACK_DESTINATION_ROOM
def __call__(self, *args, recipients=None, related=None, **kwargs):
return self.send_message(*args, recipients=None, related=related, **kwargs)
def slack_users(self, users):
slack_users = []
for user in users:
if user.slack:
slack_users.append(f'<{user.slack}>')
return ' '.join(slack_users)
def slack_link(self, request, related):
slack_link = ''
try:
link = request.scheme + '://' + request.get_host() + related.get_absolute_url()
except AttributeError:
pass
else:
title = str(related)
slack_link = f'<{link}|{title}>'
return slack_link
def send_message(self, message, request, recipients=None, related=None, **kwargs):
if not self.destination or not self.target_room:
errors = list()
if not self.destination:
errors.append('Destination URL')
if not self.target_room:
errors.append('Room ID')
return 'Missing configuration: {}'.format(', '.join(errors))
slack_users = self.slack_users(recipients) if recipients else ''
slack_link = self.slack_link(request, related) if related else ''
message = ' '.join([slack_users, message, slack_link]).strip()
data = {
"room": self.target_room,
"message": message,
}
response = requests.post(self.destination, json=data)
return str(response.status_code) + ': ' + response.content.decode()
slack_notify = SlackNotifications()