Set up clients wrapper to hold all the clients

- tests FAIL if there is a provider in the DB and not in the CODE
- tests PASS is there a provider in the CODE and not in the DB

app/clients/__init__.py

@@ -1,4 +1,3 @@
-
 class ClientException(Exception):
     '''
     Base Exceptions for sending notifications that fail
@@ -16,3 +15,21 @@ class Client(object):
 STATISTICS_REQUESTED = 'requested'
 STATISTICS_DELIVERED = 'delivered'
 STATISTICS_FAILURE = 'failure'
+
+
+class Clients(object):
+    sms_clients = {}
+    email_clients = {}
+
+    def init_app(self, sms_clients, email_clients):
+        for client in sms_clients:
+            self.sms_clients[client.name] = client
+
+        for client in email_clients:
+            self.email_clients[client.name] = client
+
+    def sms_client(self, name):
+        return self.sms_clients.get(name)
+
+    def email_client(self, name):
+        return self.email_clients.get(name)