Made SMS messages go through celery

- twilio client pulled in from delivery app
- made method to perform task

app/clients/sms/twilio.py

@@ -0,0 +1,48 @@
+import logging
+from app.clients.sms import (
+    SmsClient, SmsClientException)
+from twilio.rest import TwilioRestClient
+from twilio import TwilioRestException
+
+
+logger = logging.getLogger(__name__)
+
+
+class TwilioClientException(SmsClientException):
+    pass
+
+
+class TwilioClient(SmsClient):
+    '''
+    Twilio sms client.
+    '''
+    def init_app(self, config, *args, **kwargs):
+        super(TwilioClient, self).__init__(*args, **kwargs)
+        self.client = TwilioRestClient(
+            config.config.get('TWILIO_ACCOUNT_SID'),
+            config.config.get('TWILIO_AUTH_TOKEN'))
+        self.from_number = config.config.get('TWILIO_NUMBER')
+        print(config.config)
+
+
+    def send_sms(self, notification, content):
+        try:
+            response = self.client.messages.create(
+                body=content,
+                to=notification['to'],
+                from_=self.from_number
+            )
+            return response.sid
+        except TwilioRestException as e:
+            logger.exception(e)
+            raise TwilioClientException(e)
+
+    def status(self, message_id):
+        try:
+            response = self.client.messages.get(message_id)
+            if response.status in ('delivered', 'undelivered', 'failed'):
+                return response.status
+            return None
+        except TwilioRestException as e:
+            logger.exception(e)
+            raise TwilioClientException(e)