Added smshosting backend

sendsms/backends/smshosting.py

@@ -0,0 +1,84 @@
+"""
+smshosting backend. (https://www.smshosting.it)
+
+Configuration example.
+----------------------
+
+settings.py::
+
+    SENDSMS_BACKEND = 'sendsms.backends.smshosting.SmsHostingBackend'
+    SMSHOSTING_AUTH_KEY = 'XXXXXXXXXXXXXXXXXXXXX'
+    SMSHOSTING_AUTH_SECRET = 'XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX'
+    SMSHOSTING_SANDBOX = False  # if omitted, defaults to settings.DEBUG
+"""
+
+import logging
+
+from django.conf import settings
+
+import requests
+from requests.auth import HTTPBasicAuth
+
+from sendsms.backends.base import BaseSmsBackend
+
+logger = logging.getLogger(__name__)
+
+SMSHOSTING_AUTH_KEY = getattr(settings, "SMSHOSTING_AUTH_KEY", "")
+SMSHOSTING_AUTH_SECRET = getattr(settings, "SMSHOSTING_AUTH_SECRET", "")
+SMSHOSTING_SEND_URL = getattr(
+    settings, "SMSHOSTING_SEND_URL", "https://api.smshosting.it/rest/api/sms/send"
+)
+SMSHOSTING_SANDBOX = getattr(settings, "SMSHOSTING_SANDBOX", settings.DEBUG)
+
+
+class SmsHostingBackend(BaseSmsBackend):
+    def send_messages(self, messages):
+        sent = 0
+        if not messages:
+            return sent
+        for message in messages:
+            try:
+                return self._send(message)
+            except Exception as e:
+                if not self.fail_silently:
+                    raise e
+                else:
+                    logger.exception("SMS sending failed")
+            else:
+                sent += 1
+        return sent
+
+    def _send(self, message):
+        recipients = ",".join(message.to)
+        data = {
+            "from": message.from_phone.replace("+", ""),
+            "to": recipients.replace("+", ""),
+            "text": message.body,
+            "sandbox": "true" if SMSHOSTING_SANDBOX else "false",
+        }
+        logger.debug("Sending SMS, params: {}".format(data))
+        response = requests.post(
+            SMSHOSTING_SEND_URL,
+            data=data,
+            auth=HTTPBasicAuth(SMSHOSTING_AUTH_KEY, SMSHOSTING_AUTH_SECRET),
+        )
+        if response.status_code != 200:
+            raise Exception(
+                "SMS sending failed, status: {}, "
+                "response content: {}".format(response.status_code, response.content)
+            )
+        response_data = response.json()
+        logger.info(
+            "Sent SMS to {}\n"
+            "transactionId: {}\n"
+            "smsInserted: {}\n"
+            "smsNotInserted: {}\n"
+            "sms: {}".format(
+                recipients,
+                response_data["transactionId"],
+                response_data["smsInserted"],
+                response_data["smsNotInserted"],
+                response_data["sms"],
+            )
+        )
+        return response