我尝试将用户添加到many2many字段。在单击保存之前,它正在工作。当我单击保存时,它消失了。但是,如果我在添加一些额外元素之前执行此字段操作,则在单击保存后其他元素仍然存在。
代码:
@api.multi
@api.onchange('partner_id')
def find_projects(self):
mail_followers = self.env["mail.followers"]
projects_follower_id = mail_followers.search([('partner_id', '=', self.partner_id.id), ('res_model', '=', 'project.project')])
projects_list = []
for x in range(len(projects_follower_id)):
project_id = self.env["project.project"].search([('id', '=', projects_follower_id[x].res_id), ('active', '=', True)])
if project_id and project_id not in projects_list:
projects_list.append(project_id.id)
self.debug_projects = len(projects_follower_id)
self.debug_projects2 = projects_follower_id
self.debug_projects3 = projects_list
self.project_ids = [[6, 0, projects_list]]
屏幕:
单击保存之前的一个元素:
单击保存后:
单击保存之前,手动添加其他元素:
单击保存后,添加一个手动添加的元素:
问题是此错误:
https://github.com/odoo/odoo/issues/14761
在默认视图中,它不起作用,当我在视图中添加widget="many2many_tags"
时,它开始起作用。
在onchange
中,当您想更新command list
的值时,不要使用many2many
,请使用RecordSet
,我将稍微简化一下代码:
# don't use api.multi because it's by default multi with onchange, constraints, depends
@api.onchange('partner_id')
def find_projects(self):
# extract followers <RecordsSet>
projects_followers = self.env["mail.followers"].search([('partner_id', '=', self.partner_id.id), ('res_model', '=', 'project.project')])
# extract all project ids without duplication <list of int >
project_ids = projects_followers.mapped('res_id')
# no need to pass active = True Odoo by default add it
# search for porject <RecordSet>
projects = self.env["project.project"]search([('id', 'in', project_ids)])
# for debuging
self.debug_projects = len(projects_followers)
self.debug_projects2 = projects_followers
self.debug_projects3 = project_ids
# don't use any command by default Odoo detect witch project still in the field
# and witch one are added when you inspect write you will find that new ones are added
# by (4, id) the ones that were removed are (3, id)
self.project_ids = projects
编辑:
[当我调查传递给创建和写入的字典值时,Odoo将命令转换为仅update
命令,在我添加了ID为1,2
的onchange事件记录后,字典中的命令就是这样!:] >
'my_many2may' : [[1, 1, {u'name': u'1'}], [1, 2, {u'name': u'2'}]]
在新版本的Odoo
(> 11.0)
中,由many2many
传递的命令是替换命令:[(6, 0, ids)]
(bug was fixed)
:
要在您的情况下解决此问题,只需覆盖create和编写以修复您所在领域的逗号:
def _fix_vals(self, vals): """ fix bug of ignored record added by onchange event.""" commands = vals.get('project_ids', []) if commands and all(command[0] != 6 for command in commands): # make sure the record updated are added first append_commonds = [(4, command[1]) for command in commands if command[0] == 1] vals['project_ids'] = append_commonds + commands @api.model def create(self, vals): self._fix_vals(vals) return super(YourClassName, self).create(vals) @api.multi def write(self, vals): self._fix_vals(vals) return super(YourClassName, self).write(vals)
基本上,当我这样改变公地时:
我注意到当您手动添加一条记录时,命令[[1, 1, {u'name': u'1'}], [1, 2, {u'name': u'2'}]] # to this [(4,1), (4,2), [1, 1, {u'name': u'1'}], [1, 2, {u'name': u'2'}]]
[注:
(6,0, ids)
通过了,问题不会出现,这就是为什么我在修复它们之前检查该命令是否存在的原因