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136 lines
4.7 KiB
136 lines
4.7 KiB
###################################################################################
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#
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# Copyright (C) 2018 MuK IT GmbH
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as
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# published by the Free Software Foundation, either version 3 of the
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# License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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###################################################################################
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import base64
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import logging
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import mimetypes
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from odoo import api, models, _
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from odoo.exceptions import AccessError
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from odoo.tools.mimetypes import guess_mimetype
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_logger = logging.getLogger(__name__)
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class IrAttachment(models.Model):
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_inherit = 'ir.attachment'
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#----------------------------------------------------------
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# Helper
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#----------------------------------------------------------
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@api.model
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def _get_datas_inital_vals(self):
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return {
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'store_fname': False,
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'db_datas': False,
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}
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@api.model
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def _update_datas_vals(self, vals, attach, bin_data):
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vals.update({
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'file_size': len(bin_data),
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'checksum': self._compute_checksum(bin_data),
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'index_content': self._index(bin_data, attach.datas_fname, attach.mimetype),
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})
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return vals
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@api.model
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def _get_datas_clean_vals(self, attach):
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vals = {}
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if attach.store_fname:
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vals['store_fname'] = attach.store_fname
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return vals
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@api.model
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def _clean_datas_after_write(self, vals):
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if 'store_fname' in vals:
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self._file_delete(vals['store_fname'])
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#----------------------------------------------------------
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# Actions
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#----------------------------------------------------------
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@api.multi
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def action_migrate(self):
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self.migrate()
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#----------------------------------------------------------
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# Functions
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#----------------------------------------------------------
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@api.model
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def storage_locations(self):
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return ['db', 'file']
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@api.model
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def force_storage(self):
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if not self.env.user._is_admin():
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raise AccessError(_('Only administrators can execute this action.'))
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storage_domain = {
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'db': ('db_datas', '=', False),
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'file': ('store_fname', '=', False),
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}
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record_domain = [
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'&', ('type', '=', 'binary'),
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'&', storage_domain[self._storage()],
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'|', ('res_field', '=', False), ('res_field', '!=', False)
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]
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self.search(record_domain).migrate()
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return True
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@api.multi
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def migrate(self):
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record_count = len(self)
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storage = self._storage().upper()
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for index, attach in enumerate(self):
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_logger.info(_("Migrate Attachment %s of %s to %s") % (index + 1, record_count, storage))
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attach.with_context(migration=True).write({'datas': attach.datas})
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#----------------------------------------------------------
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# Read
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#----------------------------------------------------------
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@api.multi
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def _compute_mimetype(self, values):
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if self.env.context.get('migration') and len(self) == 1:
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return self.mimetype or 'application/octet-stream'
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else:
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return super(IrAttachment, self)._compute_mimetype(values)
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#----------------------------------------------------------
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# Create, Write, Delete
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#----------------------------------------------------------
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@api.multi
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def _inverse_datas(self):
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location = self._storage()
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for attach in self:
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value = attach.datas
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bin_data = base64.b64decode(value) if value else b''
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vals = self._get_datas_inital_vals()
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vals = self._update_datas_vals(vals, attach, bin_data)
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if value and location != 'db':
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vals['store_fname'] = self._file_write(value, vals['checksum'])
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else:
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vals['db_datas'] = value
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clean_vals = self._get_datas_clean_vals(attach)
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super(IrAttachment, attach.sudo()).write(vals)
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self._clean_datas_after_write(clean_vals)
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