1 files changed, 43 insertions, 0 deletions
diff --git a/addons/l10n_cn/models/account_move.py b/addons/l10n_cn/models/account_move.py
new file mode 100644
index 00000000..129fb9c0
--- /dev/null
+++ b/addons/l10n_cn/models/account_move.py
@@ -0,0 +1,43 @@
+# -*- coding: utf-8 -*-
+# Part of Odoo. See LICENSE file for full copyright and licensing details.
+
+from odoo import api, fields, models, _
+from odoo.exceptions import ValidationError
+from odoo.osv import expression
+
+try:
+    from cn2an import an2cn
+except ImportError:
+    an2cn = None
+
+class AccountMove(models.Model):
+    _inherit = 'account.move'
+
+    fapiao = fields.Char(string='Fapiao Number', size=8, copy=False, tracking=True)
+
+    @api.constrains('fapiao')
+    def _check_fapiao(self):
+        for record in self:
+            if record.fapiao and (len(record.fapiao) != 8 or not record.fapiao.isdecimal()):
+                raise ValidationError(_("Fapiao number is an 8-digit number. Please enter a correct one."))
+
+    @api.model
+    def check_cn2an(self):
+        return an2cn
+
+    @api.model
+    def _convert_to_amount_in_word(self, number):
+        """Convert number to ``amount in words`` for Chinese financial usage."""
+        if not self.check_cn2an():
+            return None
+        return an2cn(number, 'rmb')
+
+    def _count_attachments(self):
+        domains = [[('res_model', '=', 'account.move'), ('res_id', '=', self.id)]]
+        statement_ids = self.line_ids.mapped('statement_id')
+        payment_ids = self.line_ids.mapped('payment_id')
+        if statement_ids:
+            domains.append([('res_model', '=', 'account.bank.statement'), ('res_id', 'in', statement_ids)])
+        if payment_ids:
+            domains.append([('res_model', '=', 'account.payment'), ('res_id', 'in', payment_ids)])
+        return self.env['ir.attachment'].search_count(expression.OR(domains))