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modules/document_incoming_invoice/document.py

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+# This file is part of Tryton.  The COPYRIGHT file at the top level of
+# this repository contains the full copyright notices and license terms.
+
+from trytond.i18n import gettext
+from trytond.model import fields
+from trytond.modules.document_incoming.exceptions import (
+    DocumentIncomingProcessError)
+from trytond.pool import Pool, PoolMeta
+
+
+class IncomingConfiguration(metaclass=PoolMeta):
+    __name__ = 'document.incoming.configuration'
+
+    default_supplier = fields.Many2One('party.party', "Default Supplier")
+
+
+class Incoming(metaclass=PoolMeta):
+    __name__ = 'document.incoming'
+
+    @classmethod
+    def __setup__(cls):
+        super().__setup__()
+        cls.type.selection.append(
+            ('supplier_invoice', "Supplier Invoice"))
+
+    @classmethod
+    def _get_results(cls):
+        return super()._get_results() | {'account.invoice'}
+
+    def _process_supplier_invoice(self):
+        pool = Pool()
+        Invoice = pool.get('account.invoice')
+        Configuration = pool.get('document.incoming.configuration')
+        config = Configuration(1)
+        invoice = Invoice(
+            type='in',
+            company=self.company or self.supplier_invoice_company)
+        if invoice.company:
+            invoice.currency = invoice.company.currency
+        else:
+            raise DocumentIncomingProcessError(gettext(
+                    'document_incoming_invoice'
+                    '.msg_supplier_invoice_company',
+                    document=self.rec_name))
+        invoice.on_change_type()
+        invoice.on_change_company()
+        # set party id after company for context
+        party = self.supplier_invoice_party or config.default_supplier
+        invoice.party = party.id if party else None
+        invoice.on_change_party()
+        return invoice
+
+    @property
+    def supplier_invoice_company(self):
+        pass
+
+    @property
+    def supplier_invoice_party(self):
+        pass