Julien (juc) Castiaux
262e001086
When uninstalling a module, the messages linked to the records of that module are not deleted leading to ghost messages when reinstalling the module. This is due to the lack of foreign keys in the definition of the chatter making it impossible to cascade delete. opw-1928208 closes odoo/odoo#30798
89 lines
3.4 KiB
Python
89 lines
3.4 KiB
Python
# -*- coding: utf-8 -*-
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# Part of Odoo. See LICENSE file for full copyright and licensing details.
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from odoo import _, api, fields, models
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from odoo.exceptions import UserError
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from odoo.tools import pycompat
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class IrModel(models.Model):
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_inherit = 'ir.model'
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_order = 'is_mail_thread DESC, name ASC'
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is_mail_thread = fields.Boolean(
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string="Mail Thread", oldname='mail_thread', default=False,
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help="Whether this model supports messages and notifications.",
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)
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def unlink(self):
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# Delete followers, messages and attachments for models that will be unlinked.
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models = tuple(self.mapped('model'))
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query = "DELETE FROM mail_followers WHERE res_model IN %s"
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self.env.cr.execute(query, [models])
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query = "DELETE FROM mail_message WHERE model in %s"
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self.env.cr.execute(query, [models])
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query = """
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DELETE FROM ir_attachment
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WHERE res_model in %s
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RETURNING store_fname
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"""
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self.env.cr.execute(query, [models])
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for (fname,) in self.env.cr.fetchall():
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self.env['ir.attachment']._file_delete(fname)
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return super(IrModel, self).unlink()
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@api.multi
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def write(self, vals):
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if self and 'is_mail_thread' in vals:
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if not all(rec.state == 'manual' for rec in self):
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raise UserError(_('Only custom models can be modified.'))
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if not all(rec.is_mail_thread <= vals['is_mail_thread'] for rec in self):
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raise UserError(_('Field "Mail Thread" cannot be changed to "False".'))
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res = super(IrModel, self).write(vals)
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# setup models; this reloads custom models in registry
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self.pool.setup_models(self._cr)
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# update database schema of models
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models = self.pool.descendants(self.mapped('model'), '_inherits')
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self.pool.init_models(self._cr, models, dict(self._context, update_custom_fields=True))
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else:
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res = super(IrModel, self).write(vals)
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return res
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def _reflect_model_params(self, model):
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vals = super(IrModel, self)._reflect_model_params(model)
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vals['is_mail_thread'] = issubclass(type(model), self.pool['mail.thread'])
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return vals
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@api.model
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def _instanciate(self, model_data):
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model_class = super(IrModel, self)._instanciate(model_data)
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if model_data.get('is_mail_thread') and model_class._name != 'mail.thread':
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parents = model_class._inherit or []
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parents = [parents] if isinstance(parents, pycompat.string_types) else parents
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model_class._inherit = parents + ['mail.thread']
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return model_class
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class IrModelField(models.Model):
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_inherit = 'ir.model.fields'
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track_visibility = fields.Selection(
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[('onchange', "On Change"), ('always', "Always")], string="Tracking",
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help="When set, every modification to this field will be tracked in the chatter.",
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)
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def _reflect_field_params(self, field):
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vals = super(IrModelField, self)._reflect_field_params(field)
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vals['track_visibility'] = getattr(field, 'track_visibility', None)
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return vals
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def _instanciate_attrs(self, field_data):
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attrs = super(IrModelField, self)._instanciate_attrs(field_data)
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if attrs and field_data.get('track_visibility'):
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attrs['track_visibility'] = field_data['track_visibility']
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return attrs
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