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diff --git a/addons/l10n_id_efaktur/models/account_move.py b/addons/l10n_id_efaktur/models/account_move.py
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+++ b/addons/l10n_id_efaktur/models/account_move.py
@@ -0,0 +1,303 @@
+# -*- encoding: utf-8 -*-
+# Part of Odoo. See LICENSE file for full copyright and licensing details.
+
+import base64
+import re
+from odoo import api, fields, models, _
+from odoo.exceptions import UserError, ValidationError
+
+FK_HEAD_LIST = ['FK', 'KD_JENIS_TRANSAKSI', 'FG_PENGGANTI', 'NOMOR_FAKTUR', 'MASA_PAJAK', 'TAHUN_PAJAK', 'TANGGAL_FAKTUR', 'NPWP', 'NAMA', 'ALAMAT_LENGKAP', 'JUMLAH_DPP', 'JUMLAH_PPN', 'JUMLAH_PPNBM', 'ID_KETERANGAN_TAMBAHAN', 'FG_UANG_MUKA', 'UANG_MUKA_DPP', 'UANG_MUKA_PPN', 'UANG_MUKA_PPNBM', 'REFERENSI']
+
+LT_HEAD_LIST = ['LT', 'NPWP', 'NAMA', 'JALAN', 'BLOK', 'NOMOR', 'RT', 'RW', 'KECAMATAN', 'KELURAHAN', 'KABUPATEN', 'PROPINSI', 'KODE_POS', 'NOMOR_TELEPON']
+
+OF_HEAD_LIST = ['OF', 'KODE_OBJEK', 'NAMA', 'HARGA_SATUAN', 'JUMLAH_BARANG', 'HARGA_TOTAL', 'DISKON', 'DPP', 'PPN', 'TARIF_PPNBM', 'PPNBM']
+
+
+def _csv_row(data, delimiter=',', quote='"'):
+    return quote + (quote + delimiter + quote).join([str(x).replace(quote, '\\' + quote) for x in data]) + quote + '\n'
+
+
+class AccountMove(models.Model):
+    _inherit = "account.move"
+
+    l10n_id_tax_number = fields.Char(string="Tax Number", copy=False)
+    l10n_id_replace_invoice_id = fields.Many2one('account.move', string="Replace Invoice",  domain="['|', '&', '&', ('state', '=', 'posted'), ('partner_id', '=', partner_id), ('reversal_move_id', '!=', False), ('state', '=', 'cancel')]", copy=False)
+    l10n_id_attachment_id = fields.Many2one('ir.attachment', readonly=True, copy=False)
+    l10n_id_csv_created = fields.Boolean('CSV Created', compute='_compute_csv_created', copy=False)
+    l10n_id_kode_transaksi = fields.Selection([
+            ('01', '01 Kepada Pihak yang Bukan Pemungut PPN (Customer Biasa)'),
+            ('02', '02 Kepada Pemungut Bendaharawan (Dinas Kepemerintahan)'),
+            ('03', '03 Kepada Pemungut Selain Bendaharawan (BUMN)'),
+            ('04', '04 DPP Nilai Lain (PPN 1%)'),
+            ('06', '06 Penyerahan Lainnya (Turis Asing)'),
+            ('07', '07 Penyerahan yang PPN-nya Tidak Dipungut (Kawasan Ekonomi Khusus/ Batam)'),
+            ('08', '08 Penyerahan yang PPN-nya Dibebaskan (Impor Barang Tertentu)'),
+            ('09', '09 Penyerahan Aktiva ( Pasal 16D UU PPN )'),
+        ], string='Kode Transaksi', help='Dua digit pertama nomor pajak',
+        readonly=True, states={'draft': [('readonly', False)]}, copy=False)
+    l10n_id_need_kode_transaksi = fields.Boolean(compute='_compute_need_kode_transaksi')
+
+    @api.onchange('partner_id')
+    def _onchange_partner_id(self):
+        self.l10n_id_kode_transaksi = self.partner_id.l10n_id_kode_transaksi
+        return super(AccountMove, self)._onchange_partner_id()
+
+    @api.onchange('l10n_id_tax_number')
+    def _onchange_l10n_id_tax_number(self):
+        for record in self:
+            if record.l10n_id_tax_number and record.move_type not in self.get_purchase_types():
+                raise UserError(_("You can only change the number manually for a Vendor Bills and Credit Notes"))
+
+    @api.depends('l10n_id_attachment_id')
+    def _compute_csv_created(self):
+        for record in self:
+            record.l10n_id_csv_created = bool(record.l10n_id_attachment_id)
+
+    @api.depends('partner_id')
+    def _compute_need_kode_transaksi(self):
+        for move in self:
+            move.l10n_id_need_kode_transaksi = move.partner_id.l10n_id_pkp and not move.l10n_id_tax_number and move.move_type == 'out_invoice' and move.country_code == 'ID'
+
+    @api.constrains('l10n_id_kode_transaksi', 'line_ids')
+    def _constraint_kode_ppn(self):
+        ppn_tag = self.env.ref('l10n_id.ppn_tag')
+        for move in self.filtered(lambda m: m.l10n_id_kode_transaksi != '08'):
+            if any(ppn_tag.id in line.tax_tag_ids.ids for line in move.line_ids if line.exclude_from_invoice_tab is False and not line.display_type) \
+                    and any(ppn_tag.id not in line.tax_tag_ids.ids for line in move.line_ids if line.exclude_from_invoice_tab is False and not line.display_type):
+                raise UserError(_('Cannot mix VAT subject and Non-VAT subject items in the same invoice with this kode transaksi.'))
+        for move in self.filtered(lambda m: m.l10n_id_kode_transaksi == '08'):
+            if any(ppn_tag.id in line.tax_tag_ids.ids for line in move.line_ids if line.exclude_from_invoice_tab is False and not line.display_type):
+                raise UserError('Kode transaksi 08 is only for non VAT subject items.')
+
+    @api.constrains('l10n_id_tax_number')
+    def _constrains_l10n_id_tax_number(self):
+        for record in self.filtered('l10n_id_tax_number'):
+            if record.l10n_id_tax_number != re.sub(r'\D', '', record.l10n_id_tax_number):
+                record.l10n_id_tax_number = re.sub(r'\D', '', record.l10n_id_tax_number)
+            if len(record.l10n_id_tax_number) != 16:
+                raise UserError(_('A tax number should have 16 digits'))
+            elif record.l10n_id_tax_number[:2] not in dict(self._fields['l10n_id_kode_transaksi'].selection).keys():
+                raise UserError(_('A tax number must begin by a valid Kode Transaksi'))
+            elif record.l10n_id_tax_number[2] not in ('0', '1'):
+                raise UserError(_('The third digit of a tax number must be 0 or 1'))
+
+    def _post(self, soft=True):
+        """Set E-Faktur number after validation."""
+        for move in self:
+            if move.l10n_id_need_kode_transaksi:
+                if not move.l10n_id_kode_transaksi:
+                    raise ValidationError(_('You need to put a Kode Transaksi for this partner.'))
+                if move.l10n_id_replace_invoice_id.l10n_id_tax_number:
+                    if not move.l10n_id_replace_invoice_id.l10n_id_attachment_id:
+                        raise ValidationError(_('Replacement invoice only for invoices on which the e-Faktur is generated. '))
+                    rep_efaktur_str = move.l10n_id_replace_invoice_id.l10n_id_tax_number
+                    move.l10n_id_tax_number = '%s1%s' % (move.l10n_id_kode_transaksi, rep_efaktur_str[3:])
+                else:
+                    efaktur = self.env['l10n_id_efaktur.efaktur.range'].pop_number(move.company_id.id)
+                    if not efaktur:
+                        raise ValidationError(_('There is no Efaktur number available.  Please configure the range you get from the government in the e-Faktur menu. '))
+                    move.l10n_id_tax_number = '%s0%013d' % (str(move.l10n_id_kode_transaksi), efaktur)
+        return super()._post(soft)
+
+    def reset_efaktur(self):
+        """Reset E-Faktur, so it can be use for other invoice."""
+        for move in self:
+            if move.l10n_id_attachment_id:
+                raise UserError(_('You have already generated the tax report for this document: %s', move.name))
+            self.env['l10n_id_efaktur.efaktur.range'].push_number(move.company_id.id, move.l10n_id_tax_number[3:])
+            move.message_post(
+                body='e-Faktur Reset: %s ' % (move.l10n_id_tax_number),
+                subject="Reset Efaktur")
+            move.l10n_id_tax_number = False
+        return True
+
+    def download_csv(self):
+        action = {
+            'type': 'ir.actions.act_url',
+            'url': "web/content/?model=ir.attachment&id=" + str(self.l10n_id_attachment_id.id) + "&filename_field=name&field=datas&download=true&name=" + self.l10n_id_attachment_id.name,
+            'target': 'self'
+        }
+        return action
+
+    def download_efaktur(self):
+        """Collect the data and execute function _generate_efaktur."""
+        for record in self:
+            if record.state == 'draft':
+                raise ValidationError(_('Could not download E-faktur in draft state'))
+
+            if record.partner_id.l10n_id_pkp and not record.l10n_id_tax_number:
+                raise ValidationError(_('Connect %(move_number)s with E-faktur to download this report', move_number=record.name))
+
+        self._generate_efaktur(',')
+        return self.download_csv()
+
+    def _generate_efaktur_invoice(self, delimiter):
+        """Generate E-Faktur for customer invoice."""
+        # Invoice of Customer
+        company_id = self.company_id
+        dp_product_id = self.env['ir.config_parameter'].sudo().get_param('sale.default_deposit_product_id')
+
+        output_head = '%s%s%s' % (
+            _csv_row(FK_HEAD_LIST, delimiter),
+            _csv_row(LT_HEAD_LIST, delimiter),
+            _csv_row(OF_HEAD_LIST, delimiter),
+        )
+
+        for move in self.filtered(lambda m: m.state == 'posted'):
+            eTax = move._prepare_etax()
+
+            nik = str(move.partner_id.l10n_id_nik) if not move.partner_id.vat else ''
+
+            if move.l10n_id_replace_invoice_id:
+                number_ref = str(move.l10n_id_replace_invoice_id.name) + " replaced by " + str(move.name) + " " + nik
+            else:
+                number_ref = str(move.name) + " " + nik
+
+            street = ', '.join([x for x in (move.partner_id.street, move.partner_id.street2) if x])
+
+            invoice_npwp = '000000000000000'
+            if move.partner_id.vat and len(move.partner_id.vat) >= 12:
+                invoice_npwp = move.partner_id.vat
+            elif (not move.partner_id.vat or len(move.partner_id.vat) < 12) and move.partner_id.l10n_id_nik:
+                invoice_npwp = move.partner_id.l10n_id_nik
+            invoice_npwp = invoice_npwp.replace('.', '').replace('-', '')
+
+            # Here all fields or columns based on eTax Invoice Third Party
+            eTax['KD_JENIS_TRANSAKSI'] = move.l10n_id_tax_number[0:2] or 0
+            eTax['FG_PENGGANTI'] = move.l10n_id_tax_number[2:3] or 0
+            eTax['NOMOR_FAKTUR'] = move.l10n_id_tax_number[3:] or 0
+            eTax['MASA_PAJAK'] = move.invoice_date.month
+            eTax['TAHUN_PAJAK'] = move.invoice_date.year
+            eTax['TANGGAL_FAKTUR'] = '{0}/{1}/{2}'.format(move.invoice_date.day, move.invoice_date.month, move.invoice_date.year)
+            eTax['NPWP'] = invoice_npwp
+            eTax['NAMA'] = move.partner_id.name if eTax['NPWP'] == '000000000000000' else move.partner_id.l10n_id_tax_name or move.partner_id.name
+            eTax['ALAMAT_LENGKAP'] = move.partner_id.contact_address.replace('\n', '') if eTax['NPWP'] == '000000000000000' else move.partner_id.l10n_id_tax_address or street
+            eTax['JUMLAH_DPP'] = int(round(move.amount_untaxed, 0)) # currency rounded to the unit
+            eTax['JUMLAH_PPN'] = int(round(move.amount_tax, 0))
+            eTax['ID_KETERANGAN_TAMBAHAN'] = '1' if move.l10n_id_kode_transaksi == '07' else ''
+            eTax['REFERENSI'] = number_ref
+
+            lines = move.line_ids.filtered(lambda x: x.product_id.id == int(dp_product_id) and x.price_unit < 0 and not x.display_type)
+            eTax['FG_UANG_MUKA'] = 0
+            eTax['UANG_MUKA_DPP'] = int(abs(sum(lines.mapped('price_subtotal'))))
+            eTax['UANG_MUKA_PPN'] = int(abs(sum(lines.mapped(lambda l: l.price_total - l.price_subtotal))))
+
+            company_npwp = company_id.partner_id.vat or '000000000000000'
+
+            fk_values_list = ['FK'] + [eTax[f] for f in FK_HEAD_LIST[1:]]
+            eTax['JALAN'] = company_id.partner_id.l10n_id_tax_address or company_id.partner_id.street
+            eTax['NOMOR_TELEPON'] = company_id.phone or ''
+
+            lt_values_list = ['FAPR', company_npwp, company_id.name] + [eTax[f] for f in LT_HEAD_LIST[3:]]
+
+            # HOW TO ADD 2 line to 1 line for free product
+            free, sales = [], []
+
+            for line in move.line_ids.filtered(lambda l: not l.exclude_from_invoice_tab and not l.display_type):
+                # *invoice_line_unit_price is price unit use for harga_satuan's column
+                # *invoice_line_quantity is quantity use for jumlah_barang's column
+                # *invoice_line_total_price is bruto price use for harga_total's column
+                # *invoice_line_discount_m2m is discount price use for diskon's column
+                # *line.price_subtotal is subtotal price use for dpp's column
+                # *tax_line or free_tax_line is tax price use for ppn's column
+                free_tax_line = tax_line = bruto_total = total_discount = 0.0
+
+                for tax in line.tax_ids:
+                    if tax.amount > 0:
+                        tax_line += line.price_subtotal * (tax.amount / 100.0)
+
+                invoice_line_unit_price = line.price_unit
+
+                invoice_line_total_price = invoice_line_unit_price * line.quantity
+
+                line_dict = {
+                    'KODE_OBJEK': line.product_id.default_code or '',
+                    'NAMA': line.product_id.name or '',
+                    'HARGA_SATUAN': int(invoice_line_unit_price),
+                    'JUMLAH_BARANG': line.quantity,
+                    'HARGA_TOTAL': int(invoice_line_total_price),
+                    'DPP': int(line.price_subtotal),
+                    'product_id': line.product_id.id,
+                }
+
+                if line.price_subtotal < 0:
+                    for tax in line.tax_ids:
+                        free_tax_line += (line.price_subtotal * (tax.amount / 100.0)) * -1.0
+
+                    line_dict.update({
+                        'DISKON': int(invoice_line_total_price - line.price_subtotal),
+                        'PPN': int(free_tax_line),
+                    })
+                    free.append(line_dict)
+                elif line.price_subtotal != 0.0:
+                    invoice_line_discount_m2m = invoice_line_total_price - line.price_subtotal
+
+                    line_dict.update({
+                        'DISKON': int(invoice_line_discount_m2m),
+                        'PPN': int(tax_line),
+                    })
+                    sales.append(line_dict)
+
+            sub_total_before_adjustment = sub_total_ppn_before_adjustment = 0.0
+
+            # We are finding the product that has affected
+            # by free product to adjustment the calculation
+            # of discount and subtotal.
+            # - the price total of free product will be
+            # included as a discount to related of product.
+            for sale in sales:
+                for f in free:
+                    if f['product_id'] == sale['product_id']:
+                        sale['DISKON'] = sale['DISKON'] - f['DISKON'] + f['PPN']
+                        sale['DPP'] = sale['DPP'] + f['DPP']
+
+                        tax_line = 0
+
+                        for tax in line.tax_ids:
+                            if tax.amount > 0:
+                                tax_line += sale['DPP'] * (tax.amount / 100.0)
+
+                        sale['PPN'] = int(tax_line)
+
+                        free.remove(f)
+
+                sub_total_before_adjustment += sale['DPP']
+                sub_total_ppn_before_adjustment += sale['PPN']
+                bruto_total += sale['DISKON']
+                total_discount += round(sale['DISKON'], 2)
+
+            output_head += _csv_row(fk_values_list, delimiter)
+            output_head += _csv_row(lt_values_list, delimiter)
+            for sale in sales:
+                of_values_list = ['OF'] + [str(sale[f]) for f in OF_HEAD_LIST[1:-2]] + ['0', '0']
+                output_head += _csv_row(of_values_list, delimiter)
+
+        return output_head
+
+    def _prepare_etax(self):
+        # These values are never set
+        return {'JUMLAH_PPNBM': 0, 'UANG_MUKA_PPNBM': 0, 'BLOK': '', 'NOMOR': '', 'RT': '', 'RW': '', 'KECAMATAN': '', 'KELURAHAN': '', 'KABUPATEN': '', 'PROPINSI': '', 'KODE_POS': '', 'JUMLAH_BARANG': 0, 'TARIF_PPNBM': 0, 'PPNBM': 0}
+
+    def _generate_efaktur(self, delimiter):
+        if self.filtered(lambda x: not x.l10n_id_kode_transaksi):
+            raise UserError(_('Some documents don\'t have a transaction code'))
+        if self.filtered(lambda x: x.move_type != 'out_invoice'):
+            raise UserError(_('Some documents are not Customer Invoices'))
+
+        output_head = self._generate_efaktur_invoice(delimiter)
+        my_utf8 = output_head.encode("utf-8")
+        out = base64.b64encode(my_utf8)
+
+        attachment = self.env['ir.attachment'].create({
+            'datas': out,
+            'name': 'efaktur_%s.csv' % (fields.Datetime.to_string(fields.Datetime.now()).replace(" ", "_")),
+            'type': 'binary',
+        })
+
+        for record in self:
+            record.message_post(attachment_ids=[attachment.id])
+        self.l10n_id_attachment_id = attachment.id
+        return {
+            'type': 'ir.actions.client',
+            'tag': 'reload',
+        }