Fix allow_mail_archived_partner causing system notifications to send emails

allow_mail_archived_partner/models/account_move_send.py

@@ -4,11 +4,39 @@ from odoo import models, api
 class AccountInvoiceSend(models.TransientModel):
     _inherit = "account.invoice.send"
 
+    @api.model
+    def default_get(self, fields):
+        """
+        Override default_get to pre-fill archived partners.
+        This is often called BEFORE _get_default_mail_partner_ids.
+        """
+        res = super().default_get(fields)
+        
+        # Check if we're in the right context
+        active_model = self.env.context.get('active_model')
+        active_ids = self.env.context.get('active_ids', [])
+        
+        if active_model == 'account.move' and active_ids:
+            # Get the moves with archived partners allowed
+            moves = self.env['account.move'].with_context(
+                active_test=False
+            ).browse(active_ids)
+            
+            # Collect all unique partners from the moves
+            partner_ids = set()
+            for move in moves:
+                if move.partner_id and move.partner_id.email:
+                    partner_ids.add(move.partner_id.id)
+            
+            if partner_ids:
+                res['partner_ids'] = [(6, 0, list(partner_ids))]
+        
+        return res
+
     @api.model
     def _get_default_mail_partner_ids(self, move, mail_template, mail_lang):
         """
-        Allow archived partners when sending invoices via
-        the 'Send by Email' wizard.
+        Also fix this method to include archived partners.
         """
         wiz = self.with_context(
             active_test=False,
@@ -18,3 +46,16 @@ class AccountInvoiceSend(models.TransientModel):
             AccountInvoiceSend,
             wiz
         )._get_default_mail_partner_ids(move, mail_template, mail_lang)
+    
+    def _get_mail_composer_values(self, move, template, partner_ids):
+        """
+        Ensure context is passed to mail composer.
+        """
+        return super(
+            AccountInvoiceSend,
+            self.with_context(
+                active_test=False,
+                include_archived_partners=True,
+                mail_notify_force=True,
+            )
+        )._get_mail_composer_values(move, template, partner_ids)

allow_mail_archived_partner/models/mail_compose_message.py

@@ -4,60 +4,26 @@ from odoo import models, api
 class MailComposeMessage(models.TransientModel):
     _inherit = "mail.compose.message"
 
-    @api.model
-    def default_get(self, fields):
-        """
-        For sales orders and other models using generic composer.
-        """
-        res = super().default_get(fields)
-        
-        model = self.env.context.get("active_model")
-        res_id = self.env.context.get("active_id")
-        
-        # For sales orders
-        if model == "sale.order" and res_id:
-            order = self.env["sale.order"].with_context(
-                active_test=False
-            ).browse(res_id)
-            
-            if order.exists() and order.partner_id and order.partner_id.email:
-                res["partner_ids"] = [(6, 0, [order.partner_id.id])]
-        
-        return res
-
-    def _prepare_mail_values(self, res_ids):
-        """
-        For explicit user sends from sales orders.
-        """
-        model = self.env.context.get("active_model") or self.model
-
-        if model in ["sale.order", "account.move"]:
-            return super(
-                MailComposeMessage,
-                self.with_context(
-                    active_test=False,
-                    include_archived_partners=True,
-                    mail_notify_force=True,
-                )
-            )._prepare_mail_values(res_ids)
-
-        return super()._prepare_mail_values(res_ids)
-
     def _prepare_recipient_values(self, partner):
         """
-        For sales orders and generic composers.
+        Handle archived partners when context allows.
         """
-        model = self.env.context.get("active_model") or self.model
-
-        if (
-            model in ["sale.order", "account.move"]
-            and self.env.context.get("include_archived_partners")
-            and partner
-        ):
-            # Use parent method with proper context
-            return super(
-                MailComposeMessage,
-                self.with_context(active_test=False)
-            )._prepare_recipient_values(partner)
+        # Check if we should include archived partners
+        # Look for context flags from account.invoice.send OR direct context
+        include_archived = (
+            self.env.context.get("include_archived_partners") or
+            self.env.context.get("mail_notify_force") or
+            (self.env.context.get("active_model") in ["account.move", "sale.order"] and 
+             not getattr(partner, 'active', True))
+        )
+        
+        if include_archived and partner and not partner.active:
+            # Return complete data for archived partner
+            return {
+                "partner_id": partner.id,
+                "email": partner.email,
+                "name": partner.name,
+                "lang": partner.lang or self.env.context.get("lang") or "en_US",
+            }
         
         return super()._prepare_recipient_values(partner)