Rework set mode command

This reworks the POST /mode command to the new API:
POST /mode
{
  'clients': ['192.168.1.5', '192.168.1.6']
  'mode': 'pxe'
}

cli/objects/modes.py

@@ -18,16 +18,51 @@ class OgModes():
 	@staticmethod
 	def set_modes(rest, args):
 		parser = argparse.ArgumentParser()
-		parser.add_argument('--scope-name',
+		parser.add_argument('--scope-id',
 				    nargs=1,
 				    required=True,
-				    help='Name of the scope (room or computer)')
+				    help='ID of the scope')
+		parser.add_argument('--scope-type',
+				    nargs=1,
+				    required=True,
+				    help='Type of the scope')
 		parser.add_argument('--mode',
 				    nargs=1,
 				    required=True,
 				    help='Mode for the scope')
 		parsed_args = parser.parse_args(args)
 
-		payload = {'scope_name': parsed_args.scope_name[0],
-			   'mode': parsed_args.mode[0]}
+		def scope_lookup(scope_id, scope_type, d):
+			if scope_id == d.get('id') and \
+			   scope_type == d.get('type'):
+				return d
+			for scope in d['scope']:
+				lookup = scope_lookup(scope_id,
+						      scope_type,
+						      scope)
+				if lookup is not None:
+					return lookup
+			return None
+
+		def ips_in_scope(scope):
+			if 'ip' in scope:
+				return [scope['ip']]
+			ips = []
+			for child in scope['scope']:
+				ips += ips_in_scope(child)
+			return ips
+
+		r = rest.get('/scopes')
+		scopes = r.json()
+		found_scope = scope_lookup(int(parsed_args.scope_id[0]),
+					   parsed_args.scope_type[0],
+					   scopes)
+
+		if found_scope is None:
+			print("Scope not found")
+			return None
+
+		ips = ips_in_scope(found_scope)
+
+		payload = {'clients': ips, 'mode': parsed_args.mode[0]}
 		r = rest.post('/mode', payload=payload)