[ADD]pms: Self billing folios configuration

pms/models/pms_property.py

@@ -894,6 +894,11 @@ def _check_journal_simplified_invoice(self):
     def _get_folio_default_journal(self, partner_invoice_id):
         self.ensure_one()
         partner = self.env["res.partner"].browse(partner_invoice_id)
+        if (
+            self.company_id.partner_id.id == partner.id
+            and self.company_id.self_billed_journal_id
+        ):
+            return self.company_id.self_billed_journal_id
         if (
             not partner
             or partner.id == self.env.ref("pms.various_pms_partner").id

pms/models/pms_reservation.py

@@ -1490,16 +1490,22 @@ def _compute_checkin_partner_count(self):
                 record.checkin_partner_count = 0
                 record.checkin_partner_pending_count = 0
 
-    @api.depends("room_type_id")
+    @api.depends("room_type_id", "partner_id")
     def _compute_tax_ids(self):
         for record in self:
             record = record.with_company(record.company_id)
-            product = self.env["product.product"].browse(
-                record.room_type_id.product_id.id
-            )
-            record.tax_ids = product.taxes_id.filtered(
-                lambda t: t.company_id == record.env.company
-            )
+            if (
+                record.partner_id == record.company_id.partner_id
+                and record.company_id.self_billed_tax_ids
+            ):
+                record.tax_ids = record.company_id.self_billed_tax_ids
+            else:
+                product = self.env["product.product"].browse(
+                    record.room_type_id.product_id.id
+                )
+                record.tax_ids = product.taxes_id.filtered(
+                    lambda t: t.company_id == record.env.company
+                )
 
     @api.depends("reservation_line_ids", "reservation_line_ids.room_id")
     def _compute_rooms(self):

pms/models/pms_service.py

@@ -225,12 +225,24 @@ class PmsService(models.Model):
     )
 
     # Compute and Search methods
-    @api.depends("product_id")
+    @api.depends("product_id", "folio_id.partner_id", "reservation_id.partner_id")
     def _compute_tax_ids(self):
         for service in self:
-            service.tax_ids = service.product_id.taxes_id.filtered(
-                lambda r: not service.company_id or r.company_id == service.company_id
+            partner = (
+                service.reservation_id.partner_id
+                if service.reservation_id
+                else service.folio_id.partner_id
             )
+            if (
+                service.folio_id.partner_id == service.company_id.partner_id
+                and service.company_id.self_billed_tax_ids
+            ):
+                service.tax_ids = service.company_id.self_billed_tax_ids
+            else:
+                service.tax_ids = service.product_id.taxes_id.filtered(
+                    lambda r: not service.company_id
+                    or r.company_id == service.company_id
+                )
 
     @api.depends("service_line_ids", "service_line_ids.day_qty")
     def _compute_product_qty(self):

pms/models/res_company.py

@@ -58,3 +58,20 @@ class ResCompany(models.Model):
         index=True,
         ondelete="restrict",
     )
+
+    self_billed_journal_id = fields.Many2one(
+        string="Self billed journal",
+        help="Journal used to create self billing",
+        comodel_name="account.journal",
+        index=True,
+        ondelete="restrict",
+    )
+    self_billed_tax_ids = fields.Many2many(
+        string="Self billed taxes",
+        help="Taxes used to create self billing",
+        comodel_name="account.tax",
+        relation="company_autoinvoicing_tax_rel",
+        column1="company_id",
+        column2="tax_id",
+        domain="[('company_id', '=', id)]",
+    )