social/mail_tracking/models/res_partner.py

# -*- coding: utf-8 -*-
# © 2016 Antonio Espinosa - <antonio.espinosa@tecnativa.com>
# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).

from openerp import models, api, fields


class ResPartner(models.Model):
    _inherit = 'res.partner'

    tracking_email_ids = fields.Many2many(
        string="Tracking emails", comodel_name="mail.tracking.email",
        readonly=True)
    tracking_emails_count = fields.Integer(
        string="Tracking emails count", store=True, readonly=True,
        compute="_compute_tracking_emails_count")
    email_score = fields.Float(
        string="Email score", readonly=True, default=50.0)

    @api.multi
    def email_score_calculate(self):
        # This is not a compute method because is causing a inter-block
        # in mail_tracking_email PostgreSQL table
        # We suspect that tracking_email write to state field block that
        # table and then inside write ORM try to read from DB
        # tracking_email_ids because it's not in cache.
        # PostgreSQL blocks read because we have not committed yet the write
        for partner in self:
            partner.email_score = partner.tracking_email_ids.email_score()

    @api.one
    @api.depends('tracking_email_ids')
    def _compute_tracking_emails_count(self):
        self.tracking_emails_count = self.env['mail.tracking.email'].\
            search_count([
                ('recipient_address', '=ilike', self.email)
            ])

    @api.multi
    def write(self, vals):
        email = vals.get('email')
        if email is not None:
            m_track = self.env['mail.tracking.email']
            vals['tracking_email_ids'] = m_track._tracking_ids_to_write(email)
            vals['email_score'] = m_track.email_score_from_email(email)
        return super(ResPartner, self).write(vals)