[IMP] account: add default value for partner_bank_id field

This field is referencing the bank account of the company issuing the invoice, so we default to the fist bank account for that company

[REF] account

Fix typo in id.

addons/account/models/account_invoice.py

@@ -297,7 +297,7 @@ class AccountInvoice(models.Model):
         help="It indicates that the invoice has been paid and the journal entry of the invoice has been reconciled with one or several journal entries of payment.")
     partner_bank_id = fields.Many2one('res.partner.bank', string='Bank Account',
         help='Bank Account Number to which the invoice will be paid. A Company bank account if this is a Customer Invoice or Vendor Refund, otherwise a Partner bank account number.',
-        readonly=True, states={'draft': [('readonly', False)]})
+        readonly=True, states={'draft': [('readonly', False)]}) #Default value computed in default_get for out_invoices
 
     residual = fields.Monetary(string='Amount Due',
         compute='_compute_residual', store=True, help="Remaining amount due.")
@@ -358,6 +358,23 @@ class AccountInvoice(models.Model):
         (not_reconciled & pre_not_reconciled).filtered(lambda invoice: invoice.state == 'paid').action_invoice_re_open()
         return res
 
+    @api.model
+    def default_get(self,default_fields):
+        """ Compute default partner_bank_id field for 'out_invoice' type,
+        using the default values computed for the other fields.
+        """
+        res = super(AccountInvoice, self).default_get(default_fields)
+
+        if not res.get('type', False) == 'out_invoice' or not 'company_id' in res:
+            return res
+
+        company = self.env['res.company'].browse(res['company_id'])
+        if company.partner_id:
+            partner_bank_result = self.env['res.partner.bank'].search([('partner_id', '=', company.partner_id.id)], limit=1)
+            if partner_bank_result:
+                res['partner_bank_id'] = partner_bank_result.id
+        return res
+
     @api.model
     def fields_view_get(self, view_id=None, view_type='form', toolbar=False, submenu=False):
         def get_view_id(xid, name):

addons/account/views/res_config_view.xml

@@ -285,7 +285,7 @@
                             </div>
                         </div>
                         <h2>Accounting Reports</h2>
-                        <div class="row mt16 o_settings_container" id="accouting_reports">
+                        <div class="row mt16 o_settings_container" id="accounting_reports">
                             <div class="col-xs-12 col-md-6 o_setting_box" id="account_accountant" title="If you do not check this box, you will be able to do invoicing &amp; payments, but not accounting (Journal Items, Chart of  Accounts, ...).">
                                 <div class="o_setting_left_pane">
                                     <field name="module_account_accountant"/>