Merge branch 'debian/experimental-pix' into debian/experimental

1 files changed, 24 insertions, 0 deletions

diff --git a/src/pixelated/adapter/services/tag_service.py b/src/pixelated/adapter/services/tag_service.py
new file mode 100644
index 00000000..ad94170b
--- /dev/null
+++ b/src/pixelated/adapter/services/tag_service.py
@@ -0,0 +1,24 @@
+#
+# Copyright (c) 2014 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 pixelated.adapter.model.tag import Tag
+
+SPECIAL_TAGS = {Tag('inbox', True), Tag('sent', True), Tag(
+    'drafts', True), Tag('trash', True), Tag('ALL', True)}
+
+
+def extract_reserved_tags(tags):
+    tags = [tag.lower() for tag in tags]
+    return {tag.name for tag in SPECIAL_TAGS if tag.name in tags}