Maxime Richez
d64ae06e19
A function field summary is added which takes the first line of description field. This is useful to identify line without product (only with description) in the list. issue9695 review292431002
105 lines
3.5 KiB
Python
105 lines
3.5 KiB
Python
# This file is part of Tryton. The COPYRIGHT file at the top level of
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# this repository contains the full copyright notices and license terms.
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from sql import Null
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from sql.operators import Concat
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from trytond.config import config
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from trytond.i18n import lazy_gettext
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from trytond.model import ModelView, ModelSQL, fields
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from trytond.pyson import Eval
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from trytond.tools import firstline
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from trytond.transaction import Transaction
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from .resource import ResourceMixin, resource_copy
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__all__ = ['AttachmentCopyMixin']
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if config.getboolean('attachment', 'filestore', default=True):
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file_id = 'file_id'
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store_prefix = config.get('attachment', 'store_prefix', default=None)
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else:
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file_id = None
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store_prefix = None
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class Attachment(ResourceMixin, ModelSQL, ModelView):
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"Attachment"
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__name__ = 'ir.attachment'
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name = fields.Char('Name', required=True)
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type = fields.Selection([
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('data', 'Data'),
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('link', 'Link'),
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], 'Type', required=True)
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description = fields.Text('Description')
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summary = fields.Function(fields.Char('Summary'), 'on_change_with_summary')
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link = fields.Char('Link', states={
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'invisible': Eval('type') != 'link',
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}, depends=['type'])
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data = fields.Binary('Data', filename='name',
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file_id=file_id, store_prefix=store_prefix,
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states={
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'invisible': Eval('type') != 'data',
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}, depends=['type'])
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file_id = fields.Char('File ID', readonly=True)
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data_size = fields.Function(fields.Integer('Data size', states={
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'invisible': Eval('type') != 'data',
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}, depends=['type']), 'get_size')
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@classmethod
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def __setup__(cls):
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super().__setup__()
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cls._order = [
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('create_date', 'DESC'),
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('id', 'DESC'),
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]
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@classmethod
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def __register__(cls, module_name):
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cursor = Transaction().connection.cursor()
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super(Attachment, cls).__register__(module_name)
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table = cls.__table_handler__(module_name)
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attachment = cls.__table__()
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# Migration from 4.0: merge digest and collision into file_id
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if table.column_exist('digest') and table.column_exist('collision'):
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cursor.execute(*attachment.update(
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[attachment.file_id],
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[attachment.digest],
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where=(attachment.collision == 0)
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| (attachment.collision == Null)))
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cursor.execute(*attachment.update(
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[attachment.file_id],
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[Concat(Concat(attachment.digest, '-'),
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attachment.collision)],
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where=(attachment.collision != 0)
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& (attachment.collision != Null)))
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table.drop_column('digest')
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table.drop_column('collision')
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# Migration from 4.8: remove unique constraint
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table.drop_constraint('resource_name')
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@staticmethod
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def default_type():
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return 'data'
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def get_size(self, name):
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with Transaction().set_context({
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'%s.%s' % (self.__name__, name): 'size',
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}):
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record = self.__class__(self.id)
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return record.data
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@fields.depends('description')
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def on_change_with_summary(self, name=None):
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return firstline(self.description or '')
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class AttachmentCopyMixin(
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resource_copy(
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'ir.attachment', 'attachments',
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lazy_gettext('ir.msg_attachments'))):
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pass
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