[FIX] account: difference in account.bank.statement

Since balance_end and balance_end_real are floats, they cannot be compared without rounding.

opw:660299

addons/account/models/account_bank_statement.py

@@ -78,6 +78,11 @@ class AccountBankStatement(models.Model):
         self.balance_end = self.balance_start + self.total_entry_encoding
         self.difference = self.balance_end_real - self.balance_end
 
+    @api.multi
+    def _is_difference_zero(self):
+        for bank_stmt in self:
+            bank_stmt.is_difference_zero = float_is_zero(bank_stmt.difference, bank_stmt.currency_id.decimal_places)
+
     @api.one
     @api.depends('journal_id')
     def _compute_currency(self):
@@ -148,7 +153,7 @@ class AccountBankStatement(models.Model):
     user_id = fields.Many2one('res.users', string='Responsible', required=False, default=lambda self: self.env.user)
     cashbox_start_id = fields.Many2one('account.bank.statement.cashbox', string="Starting Cashbox")
     cashbox_end_id = fields.Many2one('account.bank.statement.cashbox', string="Ending Cashbox")
-
+    is_difference_zero = fields.Boolean(compute='_is_difference_zero', string='Is zero', help="Check if difference is zero.")
 
     @api.onchange('journal_id')
     def onchange_journal_id(self):

addons/account/views/account_view.xml

@@ -449,7 +449,7 @@
             <field name="name">account.bank.statement.tree</field>
             <field name="model">account.bank.statement</field>
             <field name="arch" type="xml">
-                <tree decoration-danger="balance_end_real!=balance_end and state=='open'" decoration-info="state=='open' and (balance_end_real==balance_end)" string="Statements">
+                <tree decoration-danger="not is_difference_zero and state=='open'" decoration-info="state=='open' and is_difference_zero" string="Statements">
                     <field name="name"/>
                     <field name="date"/>
                     <field name="journal_id"/>
@@ -458,6 +458,7 @@
                     <field name="balance_end" invisible="1"/>
                     <field name="currency_id" invisible="1"/>
                     <field name="state"/>
+                    <field name="is_difference_zero" invisible="1"/>
                 </tree>
             </field>
         </record>