# -*- coding: utf-8 -*-
# Part of Odoo. See LICENSE file for full copyright and licensing details.

from odoo import api, fields, models


class MailMessage(models.Model):
    _inherit = 'mail.message'

    rating_ids = fields.One2many('rating.rating', 'message_id', string='Related ratings')
    rating_value = fields.Float("Rating Value", compute='_compute_rating_value', store=False, search='_search_rating_value')

    @api.multi
    @api.depends('rating_ids', 'rating_ids.rating')
    def _compute_rating_value(self):
        ratings = self.env['rating.rating'].search([('message_id', 'in', self.ids), ('consumed', '=', True)], order='create_date DESC')
        mapping = dict((r.message_id.id, r.rating) for r in ratings)
        for message in self:
            message.rating_value = mapping.get(message.id, 0.0)

    @api.multi
    def _search_rating_value(self, operator, operand):
        return [('rating_ids.rating', operator, operand)]