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-rw-r--r--src/leap/mail/imap/index.py90
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diff --git a/src/leap/mail/imap/index.py b/src/leap/mail/imap/index.py
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--- a/src/leap/mail/imap/index.py
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-# -*- coding: utf-8 -*-
-# index.py
-# Copyright (C) 2013 LEAP
-#
-# 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/>.
-"""
-Index for SoledadBackedAccount, Mailbox and Messages.
-"""
-import logging
-
-from twisted.internet import defer
-
-from leap.common.check import leap_assert, leap_assert_type
-
-from leap.mail.imap.fields import fields
-
-
-logger = logging.getLogger(__name__)
-
-
-class IndexedDB(object):
- """
- Methods dealing with the index.
-
- This is a MixIn that needs access to the soledad instance,
- and also assumes that a INDEXES attribute is accessible to the instance.
-
- INDEXES must be a dictionary of type:
- {'index-name': ['field1', 'field2']}
- """
- # TODO we might want to move this to soledad itself, check
-
- _index_creation_deferreds = []
- index_ready = False
-
- def initialize_db(self):
- """
- Initialize the database.
- """
- leap_assert(self._soledad,
- "Need a soledad attribute accesible in the instance")
- leap_assert_type(self.INDEXES, dict)
- self._index_creation_deferreds = []
-
- def _on_indexes_created(ignored):
- self.index_ready = True
-
- def _create_index(name, expression):
- d = self._soledad.create_index(name, *expression)
- self._index_creation_deferreds.append(d)
-
- def _create_indexes(db_indexes):
- db_indexes = dict(db_indexes)
- for name, expression in fields.INDEXES.items():
- if name not in db_indexes:
- # The index does not yet exist.
- _create_index(name, expression)
- continue
-
- if expression == db_indexes[name]:
- # The index exists and is up to date.
- continue
- # The index exists but the definition is not what expected, so
- # we delete it and add the proper index expression.
- d1 = self._soledad.delete_index(name)
- d1.addCallback(lambda _: _create_index(name, expression))
-
- all_created = defer.gatherResults(self._index_creation_deferreds)
- all_created.addCallback(_on_indexes_created)
- return all_created
-
- # Ask the database for currently existing indexes.
- if not self._soledad:
- logger.debug("NO SOLEDAD ON IMAP INITIALIZATION")
- return
- if self._soledad is not None:
- d = self._soledad.list_indexes()
- d.addCallback(_create_indexes)
- return d