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# Copyright (C) 2011-2012 Aleksey Lim
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
import logging
from active_document import env
from active_document.metadata import StoredProperty
from active_document.metadata import active_property
_logger = logging.getLogger('active_document.document')
class Document(dict):
#: `Metadata` object that describes the document
metadata = None
def __init__(self, guid, record, cached_props=None):
dict.__init__(self, cached_props or {})
self.guid = guid
self._record = record
@active_property(slot=1000, prefix='IC', typecast=int,
permissions=env.ACCESS_READ, default=0)
def ctime(self, value):
return value
@active_property(slot=1001, prefix='IM', typecast=int,
permissions=env.ACCESS_READ, default=0)
def mtime(self, value):
return value
@active_property(slot=1002, prefix='IS', typecast=int,
permissions=0, default=0)
def seqno(self, value):
return value
def get(self, prop, accept_language=None):
"""Get document's property value.
:param prop:
property name to get value
:returns:
`prop` value
"""
prop = self.metadata[prop]
value = dict.get(self, prop.name)
if value is None and self._record is not None:
meta = self._record.get(prop.name)
if meta is not None:
if isinstance(prop, StoredProperty):
value = meta.get('value')
else:
value = meta
if value is not None and accept_language:
if isinstance(prop, StoredProperty) and prop.localized:
value = self._localize(value, accept_language)
return value
def properties(self, props, accept_language=None):
result = {}
for i in props:
result[i] = self.get(i, accept_language)
return result
def meta(self, prop):
return self._record.get(prop)
def __getitem__(self, prop):
return self.get(prop)
def _localize(self, value, accept_language):
if not value:
return ''
if not isinstance(value, dict):
return value
for lang in accept_language + [env.DEFAULT_LANG]:
result = value.get(lang)
if result is not None:
return result
lang = lang.split('-')
if len(lang) == 1:
continue
result = value.get(lang[0])
if result is not None:
return result
# TODO
return value[sorted(value.keys())[0]]
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