account-financial-reporting/account_financial_report/wizard/vat_report_wizard.py

# Copyright  2018 Forest and Biomass Romania
# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).

from odoo import _, api, fields, models
from odoo.exceptions import ValidationError


class VATReportWizard(models.TransientModel):
    _name = "vat.report.wizard"
    _description = "VAT Report Wizard"

    company_id = fields.Many2one(
        comodel_name="res.company",
        default=lambda self: self.env.user.company_id,
        required=False,
        string="Company",
    )
    date_range_id = fields.Many2one(comodel_name="date.range", string="Date range")
    date_from = fields.Date("Start Date", required=True)
    date_to = fields.Date("End Date", required=True)
    based_on = fields.Selection(
        [("taxtags", "Tax Tags"), ("taxgroups", "Tax Groups")],
        string="Based On",
        required=True,
        default="taxtags",
    )
    tax_detail = fields.Boolean("Detail Taxes")

    @api.onchange("company_id")
    def onchange_company_id(self):
        if (
            self.company_id
            and self.date_range_id.company_id
            and self.date_range_id.company_id != self.company_id
        ):
            self.date_range_id = False
        res = {"domain": {"date_range_id": []}}
        if not self.company_id:
            return res
        else:
            res["domain"]["date_range_id"] += [
                "|",
                ("company_id", "=", self.company_id.id),
                ("company_id", "=", False),
            ]
        return res

    @api.onchange("date_range_id")
    def onchange_date_range_id(self):
        """Handle date range change."""
        self.date_from = self.date_range_id.date_start
        self.date_to = self.date_range_id.date_end

    @api.constrains("company_id", "date_range_id")
    def _check_company_id_date_range_id(self):
        for rec in self.sudo():
            if (
                rec.company_id
                and rec.date_range_id.company_id
                and rec.company_id != rec.date_range_id.company_id
            ):
                raise ValidationError(
                    _(
                        "The Company in the Vat Report Wizard and in "
                        "Date Range must be the same."
                    )
                )

    def _print_report(self, report_type):
        self.ensure_one()
        data = self._prepare_vat_report()
        if report_type == "xlsx":
            report_name = "a_f_r.report_vat_report_xlsx"
        else:
            report_name = "account_financial_report.vat_report"
        return (
            self.env["ir.actions.report"]
            .search(
                [("report_name", "=", report_name), ("report_type", "=", report_type)],
                limit=1,
            )
            .report_action(self, data=data)
        )

    def button_export_html(self):
        self.ensure_one()
        report_type = "qweb-html"
        return self._export(report_type)

    def button_export_pdf(self):
        self.ensure_one()
        report_type = "qweb-pdf"
        return self._export(report_type)

    def button_export_xlsx(self):
        self.ensure_one()
        report_type = "xlsx"
        return self._export(report_type)

    def _prepare_vat_report(self):
        self.ensure_one()
        return {
            "wizard_id": self.id,
            "company_id": self.company_id.id,
            "date_from": self.date_from,
            "date_to": self.date_to,
            "based_on": self.based_on,
            "tax_detail": self.tax_detail,
        }

    def _export(self, report_type):
        """Default export is PDF."""
        return self._print_report(report_type)