[ADD] datev_export_xml_nitrokey

datev_export_xml_nitrokey/README.rst

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+DATEV Export XML Nitrokey customization
+---------------------------------------
+
+- DATEV export will contain sales order number instead of invoice number
+- check for some UTF8 ranges before export
+- suppress lines with a total of 0 entirely

datev_export_xml_nitrokey/__init__.py

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+# © 2023 initOS GmbH
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+
+from . import models

datev_export_xml_nitrokey/__manifest__.py

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+# © 2023 initOS GmbH
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+
+{
+    "name": "DATEV Export XML Nitrokey customization",
+    "version": "18.0.1.0.0",
+    "category": "Hidden",
+    "author": "initOS GmbH",
+    "website": "https://www.initos.com",
+    "license": "AGPL-3",
+    "summary": "DATEV export will contain sales order number instead of "
+    "invoice number.",
+    "depends": [
+        "datev_export_xml",
+    ],
+    "data": [
+        "templates/export_invoice_line.xml",
+    ],
+    "auto_install": True,
+    "installable": True,
+}

datev_export_xml_nitrokey/models/__init__.py

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+# © 2023 initOS GmbH
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+
+from . import account_move
+from . import datev_xml_generator

datev_export_xml_nitrokey/models/account_move.py

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+# © 2023 initOS GmbH
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+
+from odoo import models
+
+
+class AccountMove(models.Model):
+    _inherit = "account.move"
+
+    def datev_invoice_id(self):
+        """Custom overwrite for the NK special case"""
+        self.ensure_one()
+
+        if self.move_type not in (
+            "in_invoice",
+            "in_refund",
+            "out_invoice",
+            "out_refund",
+        ):
+            return self.datev_sanitize(self.name or "")
+
+        reference = self.name or ""
+        if self.move_type.startswith("in_") and self.ref:
+            reference = self.ref
+        elif self.move_type == "out_invoice" and self.invoice_origin:
+            reference = self.invoice_origin
+        elif self.move_type == "out_refund" and self.reversed_entry_id.invoice_origin:
+            reference = self.reversed_entry_id.invoice_origin
+
+        return self.datev_sanitize(reference)
+
+    def datev_order_id(self):
+        self.ensure_one()
+        return self.datev_sanitize(self.name or "")

datev_export_xml_nitrokey/models/datev_xml_generator.py

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+import re
+
+from odoo import _, api, models
+
+
+class DatevXmlGenerator(models.AbstractModel):
+    _inherit = "datev.xml.generator"
+
+    @api.model
+    def _check_invoices(self, invoices):
+        for invoice in invoices:
+            self._check_partner_data(invoice)
+        return super()._check_invoices(invoices)
+
+    def _check_partner_data(self, invoice):
+        """Check partner data for invalid characters that would break XML export."""
+
+        # Define control characters and other problematic characters for XML
+        # This includes ASCII control characters (0x00-0x1F except tab, newline, CR)
+        # and other characters that can cause XML parsing issues
+        invalid_chars_pattern = r"[\x00-\x08\x0B\x0C\x0E-\x1F\x7F-\x9F]"
+
+        def check_field(field_value, field_name, partner_name):
+            if field_value and re.search(invalid_chars_pattern, field_value):
+                # Find the specific invalid characters for better error reporting
+                invalid_chars = set(re.findall(invalid_chars_pattern, field_value))
+                char_codes = [f"U+{ord(char):04X}" for char in invalid_chars]
+                raise ValueError(
+                    self.env._(
+                        "Partner '%(partner)s' contains invalid characters "
+                        "in %(field)s: %(chars)s. "
+                        "These characters cannot be exported to DATEV XML format.",
+                        partner=partner_name,
+                        field=field_name,
+                        chars=", ".join(char_codes),
+                    )
+                )
+
+        # Check both invoice partner and company partner (supplier)
+        partners_to_check = []
+
+        if invoice.move_type in ["out_invoice", "out_refund"]:
+            # For outgoing invoices: check customer (invoice_party) and company
+            # (supplier_party)
+            partners_to_check.append((invoice.partner_id, _("Customer")))
+            partners_to_check.append((invoice.company_id.partner_id, _("Company")))
+        else:
+            # For incoming invoices: check vendor (supplier_party) and company
+            # (invoice_party)
+            partners_to_check.append((invoice.partner_id, _("Vendor")))
+            partners_to_check.append((invoice.company_id.partner_id, _("Company")))
+
+        for partner, partner_type in partners_to_check:
+            if not partner:
+                continue
+
+            partner_name = (
+                f"{partner_type} ({partner.display_name or partner.name or 'Unknown'})"
+            )
+
+            # Check the fields that are used in the XML template
+            check_field(partner.display_name, "name", partner_name)
+            check_field(partner.name, "name", partner_name)
+            check_field(partner.street, "street address", partner_name)
+            check_field(partner.street2, "street address (line 2)", partner_name)
+            check_field(partner.city, "city", partner_name)
+            check_field(partner.zip, "postal code", partner_name)
+
+            # Also check bank account information if present
+            for bank in partner.bank_ids:
+                if bank.bank_id:
+                    check_field(bank.bank_id.name, "bank name", partner_name)

datev_export_xml_nitrokey/templates/export_invoice_line.xml

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+<odoo>
+    <template
+        id="export_invoice_line"
+        inherit_id="datev_export_xml.export_invoice_line"
+    >
+        <invoice_item_list position="before">
+            <t t-if="prices['total_excluded'] != 0" />
+        </invoice_item_list>
+        <xpath expr="./t[@t-if]" position="inside">
+            <xpath expr="./invoice_item_list" position="move" />
+            <xpath expr="./invoice_item_list" position="move" />
+            <xpath expr="./invoice_item_list" position="move" />
+            <xpath expr="./invoice_item_list" position="move" />
+        </xpath>
+    </template>
+</odoo>

datev_export_xml_nitrokey/tests/__init__.py

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+from . import test_datev_export_xml_nitrokey