[FIX] Corregido el problema del contador de facturas

model/proyect_car.py

@@ -41,6 +41,11 @@ class CarCarModify(models.Model):
             }
         }
 
+class AccountInvoiceModify(models.Model):
+    _inherit = 'account.invoice'
+
+    work_invoice_id = fields.Many2one('car.workshop')
+
 class CarWorkshopModify(models.Model):
     _inherit = 'car.workshop'
 
@@ -74,7 +79,91 @@ class CarWorkshopModify(models.Model):
                 raise Warning(('No puedes borrar una tarea que tiene actividades'))
         return super(CarWorkshopModify, self).unlink()
 
-class AccountInvoiceModify(models.Model):
-    _inherit = 'account.invoice'
+    @api.multi
+    def workshop_create_invoices(self):
+        self.state = 'workshop_create_invoices'
+        inv_obj = self.env['account.invoice']
+        inv_line_obj = self.env['account.invoice.line']
+        customer = self.partner_id
+        if not customer.name:
+            raise osv.except_osv(_('UserError!'), _('Please select a Customer.'))
+        company_id = self.env['res.users'].browse(1).company_id
+        currency_value = company_id.currency_id.id
+        self.ensure_one()
+        ir_values = self.env['ir.values']
+        journal_id = ir_values.get_default('workshop.config.setting', 'invoice_journal_type')
+        if not journal_id:
+            journal_id = 1
+        inv_data = {
+            'name': customer.name,
+            'reference': customer.name,
+            'account_id': customer.property_account_receivable.id,
+            'partner_id': customer.id,
+            'currency_id': currency_value,
+            'journal_id': journal_id,
+            'origin': self.name,
+            'company_id': company_id.id,
+            'work_invoice_id': self.id 
+        }
+        inv_id = inv_obj.create(inv_data)
+        for records in self.planned_works:
+            if records.planned_work.id:
+                income_account = records.planned_work.property_account_income.id
+            if not income_account:
+                raise osv.except_osv(_('UserError!'), _('There is no income account defined '
+                                                        'for this product: "%s".') % (records.planned_work.name,))
+            inv_line_data = {
+                'name': records.planned_work.name,
+                'account_id': income_account,
+                'price_unit': records.work_cost,
+                'quantity': 1,
+                'product_id': records.planned_work.id,
+                'invoice_id': inv_id.id,
+            }
+            inv_line_obj.create(inv_line_data)
+        for records in self.materials_used:
+            if records.material.id:
+                income_account = records.material.property_account_income.id
+            if not income_account:
+                raise osv.except_osv(_('UserError!'), _('There is no income account defined '
+                                                        'for this product: "%s".') % (records.material.name,))
+            if self.include_materials==True:
+                inv_line_data = {
+                    'name': records.material.name,
+                    'account_id': records.material.property_account_income.id,
+                    'price_unit': records.price,
+                    'quantity': records.amount,
+                    'product_id': records.material.id,
+                    'invoice_id': inv_id.id,
+                }
+                inv_line_obj.create(inv_line_data)
+        imd = self.env['ir.model.data']
+        action = imd.xmlid_to_object('account.action_invoice_tree1')
+        list_view_id = imd.xmlid_to_res_id('account.invoice_tree')
+        form_view_id = imd.xmlid_to_res_id('account.invoice_form')
+        result = {
+            'name': action.name,
+            'help': action.help,
+            'type': 'ir.actions.act_window',
+            'views': [[list_view_id, 'tree'], [form_view_id, 'form'], [False, 'graph'], [False, 'kanban'],
+                      [False, 'calendar'], [False, 'pivot']],
+            'target': action.target,
+            'context': action.context,
+            'res_model': 'account.invoice',
+        }
+        if len(inv_id) > 1:
+            result['domain'] = "[('id','in',%s)]" % inv_id.ids
+        elif len(inv_id) == 1:
+            result['views'] = [(form_view_id, 'form')]
+            result['res_id'] = inv_id.ids[0]
+        else:
+            result = {'type': 'ir.actions.act_window_close'}
+        invoiced_records = self.env['car.workshop']
+        total = 0
+        for rows in invoiced_records:
+            invoiced_date = rows.date
+            invoiced_date = invoiced_date[0:10]
+            if invoiced_date == str(date.today()):
+                total = total + rows.price_subtotal
+        return result
 
-    work_invoice_id = fields.Many2one('car.workshop')