You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 

104 lines
3.7 KiB

# coding: utf-8
# @ 2015 Florian DA COSTA @ Akretion
# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
from openerp import models, fields, api, _
from openerp.exceptions import Warning as UserError
import openerp
import hashlib
from base64 import b64decode
import logging
_logger = logging.getLogger(__name__)
class IrAttachmentMetadata(models.Model):
_name = 'ir.attachment.metadata'
_inherits = {'ir.attachment': 'attachment_id'}
_inherit = ['mail.thread']
internal_hash = fields.Char(
store=True, compute='_compute_hash',
help="File hash computed with file data to be compared "
"to external hash when provided.")
external_hash = fields.Char(
help="File hash comes from the external owner of the file.\n"
"If provided allow to check than downloaded file "
"is the exact copy of the original file.")
attachment_id = fields.Many2one(
'ir.attachment', required=True, ondelete='cascade',
help="Link to ir.attachment model ")
file_type = fields.Selection(
selection=[],
string="File type",
help="The file type determines an import method to be used "
"to parse and transform data before their import in ERP or an export")
sync_date = fields.Datetime()
state = fields.Selection([
('pending', 'Pending'),
('failed', 'Failed'),
('done', 'Done'),
], readonly=False, required=True, default='pending')
state_message = fields.Text()
@api.depends('datas', 'external_hash')
def _compute_hash(self):
for attachment in self:
if attachment.datas:
attachment.internal_hash = hashlib.md5(
b64decode(attachment.datas)).hexdigest()
if attachment.external_hash and\
attachment.internal_hash != attachment.external_hash:
raise UserError(
_("File corrupted: Something was wrong with "
"the retrieved file, please relaunch the task."))
@api.model
def run_attachment_metadata_scheduler(self, domain=None):
if domain is None:
domain = []
domain.append(('state', '=', 'pending'))
attachments = self.search(domain)
if attachments:
return attachments.run()
return True
@api.multi
def run(self):
"""
Run the process for each attachment metadata
"""
for attachment in self:
with api.Environment.manage():
with openerp.registry(self.env.cr.dbname).cursor() as new_cr:
new_env = api.Environment(
new_cr, self.env.uid, self.env.context)
attach = attachment.with_env(new_env)
try:
attach._run()
except Exception, e:
attach.env.cr.rollback()
_logger.exception(e)
attach.write(
{
'state': 'failed',
'state_message': e,
})
attach.env.cr.commit()
else:
attach.write({'state': 'done'})
attach.env.cr.commit()
return True
@api.multi
def _run(self):
self.ensure_one()
_logger.info('Start to process attachment metadata id %s' % self.id)
@api.multi
def set_done(self):
"""
Manually set to done
"""
message = "Manually set to done by %s" % self.env.user.name
self.write({'state_message': message, 'state': 'done'})