odoo-event-addons/event_sale_balance/models/product_template.py

from odoo import models, fields, api


class ProductTemplate(models.Model):
    _inherit = "product.template"

    is_event_deposit = fields.Boolean(
        string="Event deposit",
        compute="_compute_is_event_deposit",
        inverse="_set_is_event_deposit",
        search="_search_is_event_deposit",
    )
    balance_variant_id = fields.Many2one(
        comodel_name="product.product",
        string="Balance variant",
        compute="_compute_balance_variant_id",
        inverse="_set_balance_variant_id",
        search="_search_balance_variant_id",
    )

    @api.depends("product_variant_ids.is_event_deposit")
    def _compute_is_event_deposit(self):
        self.is_event_deposit = False
        for template in self:
            variant_count = len(template.product_variant_ids)
            if variant_count == 1:
                template.is_event_deposit = (
                    template.product_variant_ids.is_event_deposit
                )
            elif variant_count == 0:
                archived_variants = template.with_context(
                    active_test=False
                ).product_variant_ids
                if len(archived_variants) == 1:
                    template.is_event_deposit = archived_variants.is_event_deposit

    def _search_is_event_deposit(self, operator, value):
        query = self.with_context(active_test=False)._search(
            [("product_variant_ids.is_event_deposit", operator, value)]
        )
        return [("id", "in", query)]

    def _set_is_event_deposit(self):
        variant_count = len(self.product_variant_ids)
        if variant_count == 1:
            self.product_variant_ids.is_event_deposit = self.is_event_deposit
        elif variant_count == 0:
            archived_variants = self.with_context(active_test=False).product_variant_ids
            if len(archived_variants) == 1:
                archived_variants.is_event_deposit = self.is_event_deposit

    @api.depends("product_variant_ids.balance_variant_id")
    def _compute_balance_variant_id(self):
        self.balance_variant_id = False
        for template in self:
            variant_count = len(template.product_variant_ids)
            if variant_count == 1:
                template.balance_variant_id = (
                    template.product_variant_ids.balance_variant_id
                )
            elif variant_count == 0:
                archived_variants = template.with_context(
                    active_test=False
                ).product_variant_ids
                if len(archived_variants) == 1:
                    template.balance_variant_id = archived_variants.balance_variant_id

    def _search_balance_variant_id(self, operator, value):
        query = self.with_context(active_test=False)._search(
            [("product_variant_ids.balance_variant_id", operator, value)]
        )
        return [("id", "in", query)]

    def _set_balance_variant_id(self):
        variant_count = len(self.product_variant_ids)
        if variant_count == 1:
            self.product_variant_ids.balance_variant_id = self.balance_variant_id
        elif variant_count == 0:
            archived_variants = self.with_context(active_test=False).product_variant_ids
            if len(archived_variants) == 1:
                archived_variants.balance_variant_id = self.balance_variant_id

    def _get_related_fields_variant_template(self):
        return super()._get_related_fields_variant_template() + [
            "is_event_deposit",
            "balance_variant_id",
        ]