Perf: Add debounce to discuss_channel write to prevent concurrent updates

models/discuss_channel.py

@@ -1,3 +1,4 @@
+from datetime import datetime, timedelta
 from odoo import models, api, fields
 from odoo.addons.mail.tools.discuss import Store
 from odoo.exceptions import ValidationError
@@ -8,6 +9,24 @@ class DiscussChannel(models.Model):
 
     is_whatsapp_web = fields.Boolean(compute="_compute_is_whatsapp_web")
 
+    def write(self, vals):
+        """
+        Override write to debounce 'last_interest_dt' updates.
+        If the channel was updated less than 10 seconds ago, skip updating last_interest_dt.
+        This prevents 'concurrent update' errors during high traffic (e.g. active WhatsApp groups).
+        """
+        if 'last_interest_dt' in vals and len(self) == 1:
+            # Check if we have a recent update
+            if self.last_interest_dt:
+                # Calculate time since last update
+                # Note: last_interest_dt is usually UTC
+                time_since_last = datetime.now() - self.last_interest_dt
+                if time_since_last < timedelta(seconds=10):
+                    # Skip updating this field
+                    del vals['last_interest_dt']
+        
+        return super().write(vals)
+
     @api.depends("channel_type", "wa_account_id.whatsapp_web_url")
     def _compute_is_whatsapp_web(self):
         for record in self: