esportazione fatture

wiz_export_invoices.py - view.xml

# -*- coding: utf-8 -*-
# Part of Teuron Odoo Addons. See LICENSE file for full copyright and licensing details.

import base64
import io
import zipfile
import datetime

from odoo import api, fields, models, tools, _


class ExportInvoices(models.TransientModel):
    _name = "fe.export_invoice"
    _description = 'Invoices Export'


    name = fields.Char('File Name', readonly=True)
    data = fields.Binary('File', readonly=True)
    state = fields.Selection([('choose', 'choose'), ('get', 'get')],  # choose language or get the file
                             default='choose')

    @api.multi
    def act_getfile(self):
        fe_messages_model = self.env['fe.message']
        message_ids = self.env.context.get('active_ids', False)
        fe_messages = fe_messages_model.browse(message_ids)

        men_zip = io.BytesIO()
        zf = zipfile.ZipFile(men_zip, "a", zipfile.ZIP_DEFLATED, False)

        for message in fe_messages:
            print(message)
            zf.writestr(
                message.datas_fname,
                base64.b64decode(message.datas)
            )
        zf.close()
        men_zip.seek(0)
        out = base64.b64encode(men_zip.read())
        this = self[0]

        name = 'inv_export_{}.zip'.format(int(datetime.datetime.now().timestamp()))
        this.write({'state': 'get', 'data': out, 'name': name})
        return {
            'type': 'ir.actions.act_window',
            'res_model': 'fe.export_invoice',
            'view_mode': 'form',
            'view_type': 'form',
            'res_id': this.id,
            'views': [(False, 'form')],
            'target': 'new',
        }

<?xml version="1.0" encoding="utf-8"?>
<odoo>
    <data>
        <record id="wizard_fe_export_export" model="ir.ui.view">
            <field name="name">Export Invoices</field>
            <field name="model">fe.export_invoice</field>
            <field name="arch" type="xml">
                <form string="Export Invoices">
                    <field invisible="1" name="state"/>
                    <field name="name" invisible="1"/>
                    <div states="get">
                        <h2>Export Complete</h2>
                        <p>Here is the exported file: <field name="data" readonly="1" filename="name"/></p>
                    </div>
                    <footer states="choose">
                        <button name="act_getfile" string="Export" type="object" class="btn-primary"/>
                        <button special="cancel" string="Cancel" type="object" class="btn-secondary"/>
                    </footer>
                    <footer states="get">
                        <button special="cancel" string="Close" type="object" class="btn-primary"/>
                    </footer>
                </form>
            </field>
        </record>


        <act_window name="Export Electronic Inv"
            res_model="fe.export_invoice"
            src_model="fe.message"
            view_mode="form"
            target="new"
            key2="client_action_multi"
            id="action_wizard_fe_export_export"
            view_id="wizard_fe_export_export"/>

    </data>
</odoo>