1 files changed, 81 insertions, 0 deletions
diff --git a/service/src/pixelated/adapter/mailstore/searchable_mailstore.py b/service/src/pixelated/adapter/mailstore/searchable_mailstore.py
new file mode 100644
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+++ b/service/src/pixelated/adapter/mailstore/searchable_mailstore.py
@@ -0,0 +1,81 @@
+#
+# Copyright (c) 2015 ThoughtWorks, Inc.
+#
+# Pixelated 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.
+#
+# Pixelated 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 Pixelated. If not, see <http://www.gnu.org/licenses/>.
+from twisted.internet import defer
+from types import FunctionType
+from pixelated.adapter.mailstore import MailStore
+
+
+class SearchableMailStore(object):  # implementes MailStore
+
+    def __init__(self, delegate, search_engine):
+        self._delegate = delegate
+        self._search_engine = search_engine
+
+    @classmethod
+    def _create_delegator(cls, method_name):
+        def delegator(self, *args, **kw):
+            return getattr(self._delegate, method_name)(*args, **kw)
+
+        setattr(cls, method_name, delegator)
+
+    @defer.inlineCallbacks
+    def add_mail(self, mailbox_name, mail):
+        stored_mail = yield self._delegate.add_mail(mailbox_name, mail)
+        self._search_engine.index_mail(stored_mail)
+        defer.returnValue(stored_mail)
+
+    @defer.inlineCallbacks
+    def delete_mail(self, mail_id):
+        removed = yield self._delegate.delete_mail(mail_id)
+        self._search_engine.remove_from_index(mail_id)
+        defer.returnValue(removed)
+
+    @defer.inlineCallbacks
+    def update_mail(self, mail):
+        yield self._delegate.update_mail(mail)
+        self._search_engine.index_mail(mail)
+
+    @defer.inlineCallbacks
+    def move_mail_to_mailbox(self, mail_id, mailbox_name):
+        moved_mail = yield self._delegate.move_mail_to_mailbox(mail_id, mailbox_name)
+        self._search_engine.remove_from_index(mail_id)
+        self._search_engine.index_mail(moved_mail)
+        defer.returnValue(moved_mail)
+
+    @defer.inlineCallbacks
+    def copy_mail_to_mailbox(self, mail_id, mailbox_name):
+        copied_mail = yield self._delegate.copy_mail_to_mailbox(mail_id, mailbox_name)
+        self._search_engine.index_mail(copied_mail)
+        defer.returnValue(copied_mail)
+
+    def delete_mailbox(self, mailbox_name):
+        raise NotImplementedError()
+
+    def __getattr__(self, name):
+        """
+        Acts like method missing. If a method of MailStore is not implemented in this class,
+        a delegate method is created.
+
+        :param name: attribute name
+        :return: method or attribute
+        """
+        methods = ([key for key, value in MailStore.__dict__.items() if type(value) == FunctionType])
+
+        if name in methods:
+            SearchableMailStore._create_delegator(name)
+            return super(SearchableMailStore, self).__getattribute__(name)
+        else:
+            raise NotImplementedError('No attribute %s' % name)