[refactor] move blobs state to its own submodule

1 files changed, 43 insertions, 0 deletions

diff --git a/src/leap/soledad/server/_blobs/state.py b/src/leap/soledad/server/_blobs/state.py
new file mode 100644
index 00000000..7c83842a
--- /dev/null
+++ b/src/leap/soledad/server/_blobs/state.py
@@ -0,0 +1,43 @@
+# -*- coding: utf-8 -*-
+# _blobs/state.py
+# Copyright (C) 2017 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/>.
+"""
+Get handlers that implement IBlobsBackend given a backend name.
+"""
+
+from .errors import ImproperlyConfiguredException
+from .fs_backend import FilesystemBlobsBackend
+
+
+class BlobsServerState(object):
+    """
+    Given a backend name, it gives a instance of IBlobsBackend
+    """
+    # Allowed backend classes are defined here
+    handlers = {"filesystem": FilesystemBlobsBackend}
+
+    def __init__(self, backend, **backend_kwargs):
+        if backend not in self.handlers:
+            raise ImproperlyConfiguredException("No such backend: %s", backend)
+        self.backend = self.handlers[backend](**backend_kwargs)
+
+    def open_database(self, user_id):
+        """
+        That method is just for compatibility with CouchServerState, so
+        IncomingAPI can change backends.
+        """
+        # TODO: deprecate/refactor it as it's here for compatibility.
+        return self.backend