[FIX] account: cash rounding precision

A cash rounding precision must be strictly larger than zero to follow
the restriction introduced in e270e9e0cc.

opw-2341804

closes odoo/odoo#61382

X-original-commit: 563752358d233d4fc9cf1d7e7abd0b1656dc82c1
Signed-off-by: Nicolas Martinelli (nim) <nim@odoo.com>
Signed-off-by: oco-odoo <oco-odoo@users.noreply.github.com>

addons/account/i18n/account.pot

@@ -8801,12 +8801,6 @@ msgid ""
 "proceeding."
 msgstr ""
 
-#. module: account
-#: code:addons/account/models/account_cash_rounding.py:0
-#, python-format
-msgid "Please set a positive rounding value."
-msgstr ""
-
 #. module: account
 #: code:addons/account/models/account_reconcile_model.py:0
 #, python-format
@@ -8814,6 +8808,12 @@ msgid ""
 "Please set at least one of the match texts to create a partner mapping."
 msgstr ""
 
+#. module: account
+#: code:addons/account/models/account_cash_rounding.py:0
+#, python-format
+msgid "Please set a strictly positive rounding value."
+msgstr ""
+
 #. module: account
 #: model_terms:ir.ui.view,arch_db:account.report_invoice_document
 msgid "Please use the following communication for your payment :"

addons/account/models/account_cash_rounding.py

@@ -16,7 +16,7 @@ class AccountCashRounding(models.Model):
     _description = 'Account Cash Rounding'
 
     name = fields.Char(string='Name', translate=True, required=True)
-    rounding = fields.Float(string='Rounding Precision', required=True,
+    rounding = fields.Float(string='Rounding Precision', required=True, default=0.01,
         help='Represent the non-zero value smallest coinage (for example, 0.05).')
     strategy = fields.Selection([('biggest_tax', 'Modify tax amount'), ('add_invoice_line', 'Add a rounding line')],
         string='Rounding Strategy', default='add_invoice_line', required=True,
@@ -31,8 +31,8 @@ class AccountCashRounding(models.Model):
     @api.constrains('rounding')
     def validate_rounding(self):
         for record in self:
-            if record.rounding < 0:
-                raise ValidationError(_("Please set a positive rounding value."))
+            if record.rounding <= 0:
+                raise ValidationError(_("Please set a strictly positive rounding value."))
 
     def round(self, amount):
         """Compute the rounding on the amount passed as parameter.