[IMP] pms: added link to room_type from the product

pms/models/product_product.py

@@ -1,4 +1,5 @@
-from odoo import api, fields, models
+from odoo import _, api, fields, models
+from odoo.exceptions import ValidationError
 
 
 class ProductProduct(models.Model):
@@ -11,6 +12,12 @@ class ProductProduct(models.Model):
         compute="_compute_board_price",
     )
 
+    room_type_id = fields.Many2one(
+        string="Room Type",
+        comodel_name="pms.room.type",
+        compute="_compute_room_type_id",
+    )
+
     @api.depends_context("consumption_date")
     def _compute_product_price(self):
         super(ProductProduct, self)._compute_product_price()
@@ -35,6 +42,20 @@ class ProductProduct(models.Model):
             else:
                 record.board_price = False
 
+    def _compute_room_type_id(self):
+        for rec in self:
+            room_type = self.env["pms.room.type"].search(
+                [
+                    ("product_id", "=", rec.id),
+                ]
+            )
+            if room_type:
+                if len(room_type) > 1:
+                    raise ValidationError(
+                        _("More than one room found for the same product")
+                    )
+                rec.room_type_id = room_type
+
     def price_compute(self, price_type, uom=False, currency=False, company=None):
         if self._context.get("board_service"):
             price_type = "board_price"