[ADD] Hotel Node Helper

This module is for providing helper functions to the hotel node master module.

hotel_node_helper/models/__init__.py

@@ -0,0 +1,3 @@
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+
+from . import inherited_hotel_room_type

hotel_node_helper/models/inherited_hotel_room_type.py

@@ -0,0 +1,22 @@
+# Copyright 2018  Pablo Q. Barriuso
+# Copyright 2018  Alexandre Díaz
+# Copyright 2018  Dario Lodeiros
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+
+import wdb
+from odoo import models, fields, api
+
+
+class HotelRoomType(models.Model):
+
+    _inherit = 'hotel.room.type'
+
+    @api.model
+    def check_availability_room_ids(self, dfrom, dto,
+                                room_type_id=False, notthis=[]):
+        """
+        Check availability for all or specific room types between dates
+        @return: A list of `ids` with free rooms
+        """
+        free_rooms = super().check_availability_room(dfrom, dto, room_type_id, notthis)
+        return free_rooms.ids