Add command to populate the free_sms_fragment_limit

Added a one-off command to set values of the free_sms_fragment_limit in
the services table and the services_history table to the default of
250000.

app/commands.py

@@ -305,3 +305,27 @@ class PopulateServiceLetterContact(Command):
         db.session.commit()
 
         print("Populated letter contacts for {} services".format(result.rowcount))
+
+
+class PopulateServiceAndServiceHistoryFreeSmsFragmentLimit(Command):
+
+    def run(self):
+        services_to_update = """
+            UPDATE services
+            SET free_sms_fragment_limit = 250000
+            WHERE free_sms_fragment_limit IS NULL
+        """
+
+        services_history_to_update = """
+            UPDATE services_history
+            SET free_sms_fragment_limit = 250000
+            WHERE free_sms_fragment_limit IS NULL
+        """
+
+        services_result = db.session.execute(services_to_update)
+        services_history_result = db.session.execute(services_history_to_update)
+
+        db.session.commit()
+
+        print("Populated free sms fragment limits for {} services".format(services_result.rowcount))
+        print("Populated free sms fragment limits for {} services history".format(services_history_result.rowcount))

application.py

@@ -21,6 +21,8 @@ manager.add_command('backfill_processing_time', commands.BackfillProcessingTime)
 manager.add_command('populate_service_email_reply_to', commands.PopulateServiceEmailReplyTo)
 manager.add_command('populate_service_sms_sender', commands.PopulateServiceSmsSender)
 manager.add_command('populate_service_letter_contact', commands.PopulateServiceLetterContact)
+manager.add_command('populate_service_and_service_history_free_sms_fragment_limit',
+                    commands.PopulateServiceAndServiceHistoryFreeSmsFragmentLimit)
 
 
 @manager.command