correct problem for sending invoice emails

allow_mail_archived_partner/models/account_move_send.py

@@ -1,4 +1,47 @@
-def action_send_and_print(self):
+import logging
+
+_logger = logging.getLogger(__name__)
+
+from odoo import models, api, fields
+
+
+class AccountInvoiceSend(models.TransientModel):
+    _inherit = "account.invoice.send"
+
+    # Allow archived partners to be selectable
+    partner_ids = fields.Many2many(
+        "res.partner",
+        string="Recipients",
+        help="Contacts of the invoice that will receive the email.",
+        context={"active_test": False},
+        check_company=True,
+    )
+
+    @api.model
+    def default_get(self, fields_list):
+        _logger.error("🔥 ACCOUNT.INVOICE.SEND default_get")
+
+        # 🔥 CRITICAL: allow archived partners during default computation
+        self = self.with_context(active_test=False)
+
+        res = super(AccountInvoiceSend, self).default_get(fields_list)
+
+        active_ids = self.env.context.get("active_ids", [])
+        if active_ids:
+            moves = (
+                self.env["account.move"]
+                .with_context(active_test=False)
+                .browse(active_ids)
+            )
+
+            partners = moves.mapped("partner_id").filtered(lambda p: p.email)
+            if partners:
+                res["partner_ids"] = [(6, 0, partners.ids)]
+                _logger.error(f"🔥 Set partner_ids: {partners.ids}")
+
+        return res
+
+    def action_send_and_print(self):
         _logger.error("🔥 ACCOUNT.INVOICE.SEND action_send_and_print CALLED")
         _logger.error("🔥 Wizard partner_ids: %s", self.partner_ids.ids)
 
@@ -7,7 +50,6 @@ def action_send_and_print(self):
         if self.partner_ids:
             ctx.update(
                 {
-                # 🔥 REQUIRED: otherwise archived partners are dropped
                     "default_partner_ids": [(6, 0, self.partner_ids.ids)],
                     "active_test": False,
                 }
@@ -17,7 +59,6 @@ def action_send_and_print(self):
             AccountInvoiceSend,
             self.with_context(
                 ctx,
-            include_archived_partners=True,
                 mail_notify_force=True,
                 force_email=True,
                 mark_invoice_as_sent=True,