Initial set up for mmg client integration

app/clients/sms/mmg.py

@@ -0,0 +1,48 @@
+from flask import current_app
+from monotonic import monotonic
+from requests import request, RequestException, HTTPError
+from app.clients.sms import SmsClient
+
+
+class MMGClient(SmsClient):
+    '''
+    MMG sms client
+    '''
+
+    def init_app(self, config, *args, **kwargs):
+        super(SmsClient, self).__init__(*args, *kwargs)
+        self.api_key = config.get('MMG_API_KEY')
+        self.from_number = config.get('NOTIFY_FROM_NUMBER')
+        self.name = 'mmg'
+
+    def get_name(self):
+        return self.name
+
+    def send_sms(self, to, content, reference):
+        data = {
+            "reqType": "BULK",
+            "MSISDN": to,
+            "msg": content,
+            "sender": self.from_number
+        }
+
+        start_time = monotonic()
+        try:
+            response = request("POST", "https://www.mmgrp.co.uk/API/json/api.php",
+                               data=data)
+        except RequestException as e:
+            api_error = HTTPError.create(e)
+            current_app.logger.error(
+                "API {} request on {} failed with {} '{}'".format(
+                    "POST",
+                    "https://www.mmgrp.co.uk/API/json/api.php",
+                    api_error.status_code,
+                    api_error.message
+                )
+            )
+            raise api_error
+        finally:
+            elapsed_time = monotonic() - start_time
+            current_app.logger.info("MMG request finished in {}".format(elapsed_time))
+        return response
+