intrastat-extrastat/intrastat_product/models/account_move.py

# Copyright 2011-2017 Akretion France (http://www.akretion.com)
# Copyright 2009-2020 Noviat (http://www.noviat.com)
# @author Alexis de Lattre <alexis.delattre@akretion.com>
# @author Luc de Meyer <info@noviat.com>

from odoo import api, fields, models


class AccountMove(models.Model):
    _inherit = "account.move"

    intrastat_transaction_id = fields.Many2one(
        comodel_name="intrastat.transaction",
        string="Intrastat Transaction Type",
        ondelete="restrict",
        tracking=True,
        help="Intrastat nature of transaction",
    )
    intrastat_transport_id = fields.Many2one(
        comodel_name="intrastat.transport_mode",
        string="Intrastat Transport Mode",
        ondelete="restrict",
    )
    src_dest_country_id = fields.Many2one(
        comodel_name="res.country",
        string="Origin/Destination Country",
        compute="_compute_intrastat_country",
        store=True,
        compute_sudo=True,
        help="Destination country for dispatches. Origin country for " "arrivals.",
    )
    intrastat_country = fields.Boolean(
        compute="_compute_intrastat_country",
        string="Intrastat Country",
        store=True,
        compute_sudo=True,
    )
    src_dest_region_id = fields.Many2one(
        comodel_name="intrastat.region",
        string="Origin/Destination Region",
        default=lambda self: self._default_src_dest_region_id(),
        help="Origin region for dispatches, destination region for "
        "arrivals. This field is used for the Intrastat Declaration.",
        ondelete="restrict",
    )
    intrastat = fields.Char(
        string="Intrastat Declaration", related="company_id.intrastat"
    )
    intrastat_line_ids = fields.One2many(
        comodel_name="account.move.intrastat.line",
        inverse_name="move_id",
        string="Intrastat declaration details",
    )

    @api.depends("partner_shipping_id.country_id", "partner_id.country_id")
    def _compute_intrastat_country(self):
        for inv in self:
            country = inv.partner_shipping_id.country_id or inv.partner_id.country_id
            if not country:
                country = inv.company_id.country_id
            inv.src_dest_country_id = country.id
            inv.intrastat_country = country.intrastat

    @api.model
    def _default_src_dest_region_id(self):
        return self.env.company.intrastat_region_id

    def compute_intrastat_lines(self):
        """
        Compute the Intrastat Lines so that they can be modified
        when encoding the Customer/Supplier Invoice.
        """
        self.mapped("intrastat_line_ids").unlink()
        for inv in self:
            if inv.type not in ("out_invoice", "out_refund", "in_invoice", "in_refund"):
                continue
            line_vals = []
            for line in inv.invoice_line_ids:
                vals = self._get_intrastat_line_vals(line)
                if vals:
                    line_vals.append(vals)
            if line_vals:
                inv.intrastat_line_ids = [(0, 0, x) for x in line_vals]

    def _get_intrastat_line_vals(self, line):
        vals = {}
        decl_model = self.env["intrastat.product.declaration"]
        if decl_model._is_product(line):
            hs_code = line.product_id.get_hs_code_recursively()
            if not hs_code:
                return vals
            weight, qty = decl_model._get_weight_and_supplunits(line, hs_code)
            vals.update(
                {
                    "invoice_line_id": line.id,
                    "hs_code_id": hs_code.id,
                    "transaction_weight": int(weight),
                    "transaction_suppl_unit_qty": qty,
                    "product_origin_country_id": line.product_id.origin_country_id.id,
                }
            )
        return vals


class AccountMoveLine(models.Model):
    _inherit = "account.move.line"

    hs_code_id = fields.Many2one(
        comodel_name="hs.code", compute="_compute_hs_code_id", string="Intrastat Code",
    )

    def _compute_hs_code_id(self):
        for rec in self:
            intrastat_line = self.move_id.intrastat_line_ids.filtered(
                lambda r: r.invoice_line_id == rec
            )
            rec.hs_code_id = intrastat_line.hs_code_id or rec.get_hs_code_recursively()


class AccountMoveIntrastatLine(models.Model):
    _name = "account.move.intrastat.line"
    _description = "Intrastat declaration details"
    _order = "sequence"

    move_id = fields.Many2one(
        comodel_name="account.move",
        string="Invoice",
        ondelete="cascade",
        required=True,
    )
    invoice_line_id = fields.Many2one(
        comodel_name="account.move.line",
        string="Invoice Line",
        ondelete="cascade",
        required=True,
    )
    sequence = fields.Integer(related="invoice_line_id.sequence", store=True)
    product_id = fields.Many2one(
        comodel_name="product.product",
        string="Product",
        related="invoice_line_id.product_id",
    )
    quantity = fields.Float(related="invoice_line_id.quantity")
    transaction_suppl_unit_qty = fields.Float(
        help="Transaction quantity in Intrastat Supplementary Unit"
    )
    hs_code_id = fields.Many2one(
        comodel_name="hs.code",
        string="Intrastat Code",
        ondelete="restrict",
        required=True,
    )
    transaction_weight = fields.Integer(
        help="Transaction weight in Kg: Quantity x Product Weight"
    )
    product_origin_country_id = fields.Many2one(
        comodel_name="res.country",
        string="Country of Origin",
        help="Country of origin of the product i.e. product " "'made in ____'.",
    )

    @api.onchange("invoice_line_id")
    def _onchange_move_id(self):
        moves = self.mapped("move_id")
        dom = [
            ("exclude_from_invoice_tab", "=", False),
            ("display_type", "=", False),
            ("id", "in", moves.mapped("invoice_line_ids").ids),
            ("id", "not in", moves.mapped("intrastat_line_ids.invoice_line_id").ids),
        ]
        return {"domain": {"invoice_line_id": dom}}