Add name_with_tags_length field and computation logic

Introduced a computed field `name_with_tags_length` to store the length of names with template tags replaced. Updated the product view to display this field for better insights into template-modified names.

product_connect/models/product_template.py

@@ -23,6 +23,7 @@ class ProductTemplate(models.Model):
     )
 
     is_ready_for_sale = fields.Boolean(tracking=True, index=True, default=True)
+    name_with_tags_length = fields.Integer(compute="_compute_name_with_tags_length")
 
     motor = fields.Many2one("motor", ondelete="restrict", readonly=True, index=True)
     motor_tests = fields.One2many("motor.test", related="motor.tests")
@@ -190,6 +191,12 @@ def write(self, vals: "odoo.values.product_template") -> bool:
                 product.motor.notify_changes()
         return result
 
+    def _compute_name_with_tags_length(self) -> None:
+        for product in self:
+            name = product.replace_template_tags(product.name or "")
+            name = name.replace("{mpn}", product.first_mpn)
+            product.name_with_tags_length = len(name)
+
     @api.depends("product_template_image_ids")
     def _compute_image_1920(self) -> None:
         for product in self:

product_connect/views/motor_product_views.xml

@@ -56,6 +56,7 @@
                 <field name="bin" width="40px" optional="hide"/>
                 <button name="reset_name" type="object" icon="fa-refresh" class="sc_refresh_button_row"
                         title="Reset Name" invisible="motor_product_computed_name == name" width="18"/>
+                <field name="name_with_tags_length" string="Len" width="30"/>
                 <field name="name" decoration-warning="motor_product_computed_name != name"/>
                 <field name="dismantle_notes" optional="show"/>
                 <field name="website_description" optional="show" widget="text" string="Description"