# Part of Odoo. See LICENSE file for full copyright and licensing details.

from odoo import fields, models


class CalendarEvent(models.Model):
    _inherit = "calendar.event"

    sale_order_line_ids = fields.One2many('sale.order.line', 'calendar_event_id', 'Sale Order Line')
    sale_order_count = fields.Integer('Sales Order Count', compute='_compute_sale_order_count')

    def _compute_sale_order_count(self):
        sol_data = self.env['sale.order.line']._read_group(
            domain=[('calendar_event_id', 'in', self.ids)],
            groupby=['calendar_event_id'],
            aggregates=['order_id:count_distinct'],
        )
        mapped_data = {event.id: count for event, count in sol_data}
        for event in self:
            event.sale_order_count = mapped_data.get(event.id, 0)

    def action_view_sale_order(self):
        self.ensure_one()
        action = self.env['ir.actions.actions']._for_xml_id('sale.action_orders')
        action['context'] = {'active_test': False}
        action['res_id'] = self.sale_order_line_ids[0].order_id.id if self.sale_order_line_ids else False
        action['views'] = [(False, 'form')]
        return action