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92 lines
3.6 KiB
92 lines
3.6 KiB
###################################################################################
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#
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# MuK Document Management System
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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.addons.muk_fields_lobject.fields import LargeObject
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_logger = logging.getLogger(__name__)
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class LObjectIrAttachment(models.Model):
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_inherit = 'ir.attachment'
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store_lobject = LargeObject(
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string="Data")
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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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attachments = self.search(['|', ['res_field', '=', False], ['res_field', '!=', False]])
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for index, attach in enumerate(attachments):
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_logger.info(_("Migrate Attachment %s of %s") % (index, len(attachments)))
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attach.write({'datas': attach.datas})
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return True
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@api.depends('store_fname', 'db_datas', 'store_lobject')
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def _compute_datas(self):
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bin_size = self._context.get('bin_size')
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for attach in self:
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if attach.store_lobject:
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if bin_size:
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attach.datas = attach.store_lobject
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else:
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attach.datas = attach.with_context({'base64': True}).store_lobject
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else:
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super(LObjectIrAttachment, attach)._compute_datas()
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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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if location == 'lobject':
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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 = {
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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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'store_fname': False,
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'db_datas': False,
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'store_lobject': bin_data,
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}
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fname = attach.store_fname
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super(LObjectIrAttachment, attach.sudo()).write(vals)
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if fname:
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self._file_delete(fname)
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else:
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super(LObjectIrAttachment, attach)._inverse_datas()
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def _compute_mimetype(self, values):
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mimetype = super(LObjectIrAttachment, self)._compute_mimetype(values)
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if not mimetype or mimetype == 'application/octet-stream':
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mimetype = None
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for attach in self:
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if attach.mimetype:
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mimetype = attach.mimetype
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if not mimetype and attach.datas_fname:
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mimetype = mimetypes.guess_type(attach.datas_fname)[0]
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return mimetype or 'application/octet-stream'
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