1 files changed, 22 insertions, 0 deletions
diff --git a/vit_efaktur/model/efaktur.py b/vit_efaktur/model/efaktur.py
new file mode 100644
index 0000000..64cf430
--- /dev/null
+++ b/vit_efaktur/model/efaktur.py
@@ -0,0 +1,22 @@
+from odoo import api, fields, models, _
+
+class efaktur(models.Model):
+    _name = 'vit.efaktur'
+
+    name = fields.Char("eFaktur Number", required=True)
+    year = fields.Integer(string="Year", required=True, )
+    
+    invoice_ids = fields.One2many(comodel_name="account.move",
+                                  inverse_name="efaktur_id",
+                                  string="Invoices", required=False, )
+
+    @api.depends('invoice_ids')
+    def _used(self):
+        for efaktur in self:
+            if efaktur.invoice_ids:
+                efaktur.is_used = True
+            else:
+                efaktur.is_used = False
+
+
+    is_used = fields.Boolean(string="Is Used", compute="_used", store=True)