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# Copyright (C) 2018 Lars Wirzenius
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero 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 Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
class Change:
def __init__(self, op, meta, res):
self._dict = {
'op': op,
'meta': meta,
'res': res,
}
def as_dict(self):
return self._dict
def get_op(self):
return self._dict['op']
def get_id(self):
return self.get_meta()['id']
def get_rev(self):
return self.get_meta()['rev']
def get_meta(self):
return self._dict['meta']
def get_res(self):
return self._dict['res']
class CreateChange(Change):
def __init__(self, meta=None, res=None):
super().__init__(op='create', meta=meta, res=res)
class UpdateChange(Change):
def __init__(self, meta=None, res=None):
super().__init__(op='update', meta=meta, res=res)
class DeleteChange(Change):
def __init__(self, meta=None, res=None):
super().__init__(op='delete', meta=meta, res={})
def create_change_from_log_entry(entry):
return Change(op=entry['op'], meta=entry['meta'], res=entry['res'])
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