event_crm/models/event_event.py

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# -*- coding: utf-8 -*-
# Part of Odoo. See LICENSE file for full copyright and licensing details.
from odoo import fields, models, api
class EventEvent(models.Model):
_name = "event.event"
_inherit = "event.event"
lead_ids = fields.One2many(
'crm.lead', 'event_id', string="Leads", groups='sales_team.group_sale_salesman',
help="Leads generated from this event")
lead_count = fields.Integer(
string="# Leads", compute='_compute_lead_count', groups='sales_team.group_sale_salesman')
@api.depends('lead_ids')
def _compute_lead_count(self):
lead_data = self.env['crm.lead']._read_group(
[('event_id', 'in', self.ids)],
['event_id'], ['__count'],
)
mapped_data = {event.id: count for event, count in lead_data}
for event in self:
event.lead_count = mapped_data.get(event.id, 0)