Update re_unit.py

odex25_realstate/real_estate/models/re_unit.py

@@ -72,7 +72,25 @@ class Unit(models.Model):
     _sql_constraints = [
         ('name', 'unique(name)', _('Name must be unique.')),
     ]
+        # Smart button to count related maintenance records
+    maintenance_count = fields.Integer(string="Maintenance Count", compute='_compute_maintenance_count')
 
+    def _compute_maintenance_count(self):
+        for record in self:
+            record.maintenance_count = self.env['property.management.maintenance'].search_count([
+                ('unit_ids', 'in', record.id)
+            ])
+
+    def action_view_maintenance(self):
+        return {
+            'type': 'ir.actions.act_window',
+            'name': 'Maintenance',
+            'view_mode': 'tree,form',
+            'res_model': 'property.management.maintenance',
+            'domain': [('unit_ids', 'in', self.id)],
+            'context': dict(self.env.context),
+        }
+    
     @api.depends('state')
     def set_color(self):
         for record in self: