From 1280f8b15ab47cc73b2233dc46897bb5d27ff8aa Mon Sep 17 00:00:00 2001
From: Helmut Merz <helmutm@cy55.de>
Date: Mon, 26 Feb 2024 09:22:27 +0100
Subject: [PATCH] work in progress: storage.folder implementation

---
 demo/demo_server.py      |  3 ++-
 scopes/storage/folder.py | 28 ++++++++++++++++++++++++++++
 tests/test_storage.py    |  5 ++++-
 3 files changed, 34 insertions(+), 2 deletions(-)
 create mode 100644 scopes/storage/folder.py

diff --git a/demo/demo_server.py b/demo/demo_server.py
index 219d9bb..b585fac 100644
--- a/demo/demo_server.py
+++ b/demo/demo_server.py
@@ -15,4 +15,5 @@ def run(app, config):
 if __name__ == '__main__':
     import config
     run(config.app, config)
-
+    #run(config.app_factory(), config)
+    # see zope.app.wsgi.getWSGIApplication
diff --git a/scopes/storage/folder.py b/scopes/storage/folder.py
new file mode 100644
index 0000000..a2c85d6
--- /dev/null
+++ b/scopes/storage/folder.py
@@ -0,0 +1,28 @@
+# scopes.storage.folder
+
+from scopes.storage.common import registerContainerClass
+from scopes.storage.tracking import Container, Track
+
+
+class Folder(Track):
+
+    headFields = ['parent', 'name']
+    prefix = 'fldr'
+
+    def keys(self):
+        return []
+
+    def get(self, key, default=None):
+        return default
+
+    def __getitem__(self, key):
+        raise KeyError
+
+
+@registerContainerClass
+class Folders(Container):
+
+    itemFactory = Folder
+    indexes = [('parent', 'name')]
+    tableName = 'folders'
+    insertOnChange = False
diff --git a/tests/test_storage.py b/tests/test_storage.py
index aff5d0d..9180e3b 100644
--- a/tests/test_storage.py
+++ b/tests/test_storage.py
@@ -9,7 +9,7 @@ import unittest
 import scopes.storage.common
 from scopes.storage.common import Storage, getEngine, sessionFactory
 from scopes.storage import proxy
-from scopes.storage import tracking
+from scopes.storage import folder, tracking
 
 import config
 engine = getEngine(config.dbengine, config.dbname, config.dbuser, config.dbpassword)
@@ -70,6 +70,9 @@ class Test(unittest.TestCase):
 
         transaction.commit()
 
+    def testFolder(self):
+        storage.dropTable('folders')
+        folders = storage.create(folder.Folders)
 
 def suite():
     return unittest.TestSuite((