[15.0][ADD] customer_mail_reply_stage

customer_mail_reply_stage/__init__.py

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+from . import models

customer_mail_reply_stage/__manifest__.py

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+# Copyright 2025 Quartile Limited
+# License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl).
+{
+    "name": "Customer Mail Reply Stage",
+    "category": "Tools",
+    "version": "15.0.1.0.0",
+    "author": "Quartile Limited",
+    "website": "https://www.quartile.co",
+    "license": "AGPL-3",
+    "depends": ["mail"],
+    "installable": True,
+}

customer_mail_reply_stage/models/__init__.py

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+from . import mail_message

customer_mail_reply_stage/models/mail_message.py

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+# Copyright 2025 Quartile Limited
+# License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl).
+
+from odoo import api, models
+
+
+class MailMessage(models.Model):
+    _inherit = "mail.message"
+
+    @api.model_create_multi
+    def create(self, values_list):
+        messages = super().create(values_list)
+        for message in messages:
+
+            if not (
+                message.model == self._resource_model()
+                and message.subtype_id
+                and not message.subtype_id.internal
+            ):
+                continue
+            resource = self.env[self._resource_model()].browse(message.res_id)
+            if getattr(resource, self._remain_state_field()) == self._remain_state_value():
+                continue
+            user = message.author_id.user_ids[:1]
+            if user and user.has_group("base.group_user"):
+                continue
+            parent = resource[self._parent_field()]
+            reply_stage = getattr(parent, self._reply_stage_field())
+            if reply_stage:
+                resource.sudo().write({'stage_id': reply_stage.id})
+                continue
+            reply_stage_id = int(
+                self.env["ir.config_parameter"]
+                .sudo()
+                .get_param(self._config_key(), 0)
+            )
+            if reply_stage_id in getattr(parent, 'type_ids').ids:
+                resource.sudo().write({'stage_id': reply_stage_id})
+        return messages
+
+    def _resource_model(self):
+        """Override this method in child models to specify the model name."""
+        raise NotImplementedError("Subclasses must implement `_resource_model`.")
+
+    def _remain_state_field(self):
+        """Override this method in child models to specify the remain state."""
+        raise NotImplementedError("Subclasses must implement `_remain_state_field`.")
+
+    def _remain_state_value(self):
+        """Override this method in child models to specify the remain state value."""
+        raise NotImplementedError("Subclasses must implement `_remain_state_value`.")
+
+    def _reply_stage_field(self):
+        """Override this method in child models to specify the reply stage field name."""
+        raise NotImplementedError("Subclasses must implement `_reply_stage_field`.")
+
+    def _parent_field(self):
+        """Override this method in child models to specify the parent field name."""
+        raise NotImplementedError("Subclasses must implement `_parent_field`.")
+
+    def _config_key(self):
+        """Override this method in child models to specify the config parameter key."""
+        raise NotImplementedError("Subclasses must implement `_config_key`.")