server-tools/base_cron_exclusion/models/ir_cron.py

72 lines
2.3 KiB
Python

# Copyright 2017-21 ForgeFlow S.L. (https://www.forgeflow.com)
# License LGPL-3.0 or later (https://www.gnu.org/licenses/lgpl.html).
import logging
from odoo import _, api, fields, models
from odoo.exceptions import ValidationError
_logger = logging.getLogger(__name__)
class IrCron(models.Model):
_inherit = "ir.cron"
@api.constrains("mutually_exclusive_cron_ids")
def _check_auto_exclusion(self):
for item in self:
if item in item.mutually_exclusive_cron_ids:
raise ValidationError(
_(
"You can not mutually exclude a scheduled actions with "
"itself."
)
)
mutually_exclusive_cron_ids = fields.Many2many(
comodel_name="ir.cron",
relation="ir_cron_exclusion",
column1="ir_cron1_id",
column2="ir_cron2_id",
string="Mutually Exclusive Scheduled Actions",
)
@staticmethod
def _lock_mutually_exclusive_cron(db, job_id):
lock_cr = db.cursor()
lock_cr.execute(
"""
WITH Q1 AS (SELECT ir_cron2_id as cron_id FROM ir_cron_exclusion
WHERE ir_cron1_id=%s
UNION ALL
SELECT ir_cron1_id as cron_id FROM ir_cron_exclusion
WHERE ir_cron2_id=%s)
SELECT * FROM Q1
GROUP BY cron_id;""",
(job_id, job_id),
)
locked_ids = tuple(row[0] for row in lock_cr.fetchall())
if locked_ids:
lock_cr.execute(
"""SELECT *
FROM ir_cron
WHERE numbercall != 0
AND active
AND id IN %s
FOR UPDATE NOWAIT""",
(locked_ids,),
log_exceptions=False,
)
lock_cr.fetchall()
return lock_cr
@classmethod
def _process_job(cls, db, cron_cr, job):
locked_crons = cls._lock_mutually_exclusive_cron(db, job["id"])
try:
res = super(IrCron, cls)._process_job(db, cron_cr, job)
finally:
locked_crons.close()
_logger.debug("released blocks for cron job %s" % job["cron_name"])
return res