19.0 vanilla

odoo-bringout-oca-ocb-l10n_dk/l10n_dk/models/account_account.py

@@ -0,0 +1,32 @@
+from collections import defaultdict
+
+from odoo import api, models, _
+from odoo.exceptions import UserError
+
+
+class AccountAccount(models.Model):
+    _name = 'account.account'
+    _inherit = 'account.account'
+    
+    @api.ondelete(at_uninstall=False)
+    def _unlink_bank_cash_accounts(self):
+        nb_account_to_delete_per_company = defaultdict(self.env['account.account'].browse)
+        for account in self:
+            for company in account.company_ids:
+                if company.country_code == 'DK':
+                    nb_account_to_delete_per_company[company] |= account
+
+        if not nb_account_to_delete_per_company:
+            return
+
+        grouped_counts = self.read_group(
+            domain=[('company_ids.account_fiscal_country_id.code', '=', 'DK'), ('account_type', '=', 'asset_cash')],
+            fields=['company_ids', 'id:count'],
+            groupby=['company_ids'],
+        )
+        nb_account_per_company = {self.env['res.company'].browse(entry['company_ids'][0]): entry['company_ids_count'] for entry in grouped_counts}
+
+        for company_id, count in nb_account_per_company.items():
+            nb_to_delete = sum(1 for account in nb_account_to_delete_per_company.get(company_id) if account.account_type == 'asset_cash')
+            if count - nb_to_delete < 1:
+                raise UserError(_("You must keep at least one bank and cash account for %(company)s!", company=company_id.name))