1 files changed, 75 insertions, 0 deletions
diff --git a/servo/defaults.py b/servo/defaults.py
new file mode 100644
index 0000000..1eeedf9
--- /dev/null
+++ b/servo/defaults.py
@@ -0,0 +1,75 @@
+# -*- coding: utf-8 -*-
+# Copyright (c) 2013, First Party Software
+# All rights reserved.
+
+# Redistribution and use in source and binary forms, with or without modification, 
+# are permitted provided that the following conditions are met:
+
+# 1. Redistributions of source code must retain the above copyright notice, 
+# this list of conditions and the following disclaimer.
+
+# 2. Redistributions in binary form must reproduce the above copyright notice, 
+# this list of conditions and the following disclaimer in the documentation 
+# and/or other materials provided with the distribution.
+
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
+# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
+# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
+# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 
+# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 
+# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
+# OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
+# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 
+# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
+# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 
+# SUCH DAMAGE.
+
+"""
+defaults.py
+Contains callables for model default values
+"""
+import uuid
+import settings
+import local_settings
+from decimal import Decimal
+
+from django.db import connection
+from django.core.cache import cache
+
+def _get(key):
+    cached = cache.get('defaults', {})
+    
+    if not cached.get(key):
+        cursor = connection.cursor()
+        cursor.execute("SELECT key, value FROM servo_configuration")
+        for r in cursor.fetchall():
+            cached[r[0]] = r[1]
+
+        cache.set('defaults', cached)
+
+    return cached.get(key)
+
+def country():
+    return local_settings.INSTALL_COUNTRY
+
+def site_id():
+    return settings.SITE_ID
+
+def locale():
+    return settings.INSTALL_LOCALE
+
+def uid():
+    return str(uuid.uuid1()).upper()
+
+def subject():
+    return _get('default_subject')
+
+def vat():
+    val = _get('pct_vat') or 0.0
+    return Decimal(val)
+
+def margin(sum=0.0):
+    return _get('pct_margin') or 0.0
+
+def gsx_account():
+    return _get('gsx_account')