From d65ca2dd221321055b993ed3f6774e94129e0aca Mon Sep 17 00:00:00 2001
From: Aleksey Lim <alsroot@sugarlabs.org>
Date: Fri, 05 Oct 2012 18:20:33 +0000
Subject: Create local Artifact guids as sugar-datastore does to not break ds clients

---
diff --git a/sugar_network/local/dbus_datastore.py b/sugar_network/local/dbus_datastore.py
index 815af9c..00cfee9 100644
--- a/sugar_network/local/dbus_datastore.py
+++ b/sugar_network/local/dbus_datastore.py
@@ -15,6 +15,7 @@
 
 import os
 import time
+import uuid
 import tempfile
 from cStringIO import StringIO
 from os.path import exists
@@ -77,9 +78,12 @@ class Datastore(dbus_thread.Service):
     @method(_INTERFACE, in_signature='a{sv}sb', out_signature='s',
             async_callbacks=('reply_cb', 'error_cb'), byte_arrays=True)
     def create(self, props, file_path, transfer_ownership, reply_cb, error_cb):
+        # XXX sugar-datastore clients, like Scratch, might rely on having
+        # particular GUID size, so, do the same what sugar-datastore does
+        props['uid'] = str(uuid.uuid4())
         props['timestamp'] = int(props.get('timestamp', 0) or time.time())
         self._update('POST', props, file_path, transfer_ownership,
-                reply_cb, error_cb)
+                reply_cb, error_cb, cmd='create_with_guid')
 
     @method(_INTERFACE, in_signature='sa{sv}sb', out_signature='',
             async_callbacks=('reply_cb', 'error_cb'), byte_arrays=True)
@@ -118,7 +122,8 @@ class Datastore(dbus_thread.Service):
         query = request.get('query')
         order_by = request.get('order_by')
         if order_by:
-            order_by = order_by[0]
+            if not isinstance(order_by, basestring):
+                order_by = order_by[0]
             if order_by[0] in ('+', '-'):
                 # Revert sign for Journal
                 sign = '+' if order_by[0] == '-' else '-'
diff --git a/sugar_network/local/mounts.py b/sugar_network/local/mounts.py
index cfe9a1e..f5fad31 100644
--- a/sugar_network/local/mounts.py
+++ b/sugar_network/local/mounts.py
@@ -144,6 +144,14 @@ class HomeMount(LocalMount):
     def name(self):
         return _('Home')
 
+    @ad.directory_command(method='POST', cmd='create_with_guid',
+            permissions=ad.ACCESS_AUTH, mime_type='application/json')
+    def create_with_guid(self, request):
+        with self._post(request, ad.ACCESS_CREATE) as (directory, doc):
+            enforce('guid' in doc.props, 'GUID should be specified')
+            self.before_create(request, doc.props)
+            return directory.create(doc.props)
+
     @ad.property_command(method='GET', cmd='get_blob',
             mime_type='application/json')
     def get_blob(self, document, guid, prop, request=None):
diff --git a/tests/units/dbus_datastore.py b/tests/units/dbus_datastore.py
index 72398ad..bbf8bcc 100755
--- a/tests/units/dbus_datastore.py
+++ b/tests/units/dbus_datastore.py
@@ -45,7 +45,7 @@ class DbusDatastoreTest(tests.Test):
 
     def test_create_Empty(self):
         guid = self.ds.create({}, '', False, timeout=3)
-
+        self.assertEqual(5, len(guid.split('-')))
         self.assertEqual({
             'uid': guid,
             'activity': '',
@@ -192,21 +192,12 @@ class DbusDatastoreTest(tests.Test):
                 sorted(entries))
 
         # offset/limit
-        entries, total = self.ds.find({'offset': 0, 'limit':2}, ['uid', 'title', 'term'], timeout=3)
+        entries, total = self.ds.find({'offset': 0, 'limit': 2}, ['uid', 'title', 'term'], timeout=3)
         self.assertEqual(3, total)
-        self.assertEqual(
-                sorted([
-                    {'uid': guid_1, 'title': 'title-1', 'term': 'value-1'},
-                    {'uid': guid_2, 'title': 'title-2', 'term': 'value-2'},
-                    ]),
-                sorted(entries))
+        self.assertEqual(2, len(entries))
         entries, total = self.ds.find({'offset': 2, 'limit':2}, ['uid', 'title', 'term'], timeout=3)
         self.assertEqual(3, total)
-        self.assertEqual(
-                sorted([
-                    {'uid': guid_3, 'title': 'title-3', 'term': 'value-3'},
-                    ]),
-                sorted(entries))
+        self.assertEqual(1, len(entries))
 
         # fulltext search
         entries, total = self.ds.find({'query': 'title'}, ['uid', 'title', 'term'], timeout=3)
@@ -257,11 +248,16 @@ class DbusDatastoreTest(tests.Test):
                 entries)
 
         # order by not mapped property
-        entries, total = self.ds.find({'order_by': '+title'}, ['uid'], timeout=3)
+        entries, total = self.ds.find({'order_by': 'title'}, ['uid'], timeout=3)
         self.assertEqual(3, total)
         self.assertEqual(
                 [{'uid': guid_1}, {'uid': guid_2}, {'uid': guid_3}],
                 entries)
+        entries, total = self.ds.find({'order_by': ['+title']}, ['uid'], timeout=3)
+        self.assertEqual(3, total)
+        self.assertEqual(
+                [{'uid': guid_3}, {'uid': guid_2}, {'uid': guid_1}],
+                entries)
         entries, total = self.ds.find({'order_by': '-title'}, ['uid'], timeout=3)
         self.assertEqual(3, total)
         self.assertEqual(
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