Merge from trunk

[plcapi.git] / trunk / PLC / SliceAttributeTypes.py

diff --git a/trunk/PLC/SliceAttributeTypes.py b/trunk/PLC/SliceAttributeTypes.py
new file mode 100644 (file)
index 0000000..5884fe0
--- /dev/null
+++ b/trunk/PLC/SliceAttributeTypes.py
@@ -0,0 +1,72 @@
+from types import StringTypes
+
+from PLC.Faults import *
+from PLC.Parameter import Parameter
+from PLC.Filter import Filter
+from PLC.Table import Row, Table
+from PLC.Roles import Role, Roles
+
+class SliceAttributeType(Row):
+    """
+    Representation of a row in the slice_attribute_types table. To
+    use, instantiate with a dict of values.
+    """
+
+    table_name = 'slice_attribute_types'
+    primary_key = 'attribute_type_id'
+    join_tables = ['slice_attribute']
+    fields = {
+        'attribute_type_id': Parameter(int, "Slice attribute type identifier"),
+        'name': Parameter(str, "Slice attribute type name", max = 100),
+        'description': Parameter(str, "Slice attribute type description", max = 254),
+        'min_role_id': Parameter(int, "Minimum (least powerful) role that can set or change this attribute"),
+        }
+
+    # for Cache
+    class_key = 'name'
+    foreign_fields = ['description','min_role_id']
+    foreign_xrefs = []
+
+    def validate_name(self, name):
+        if not len(name):
+            raise PLCInvalidArgument, "Slice attribute type name must be set"
+
+        conflicts = SliceAttributeTypes(self.api, [name])
+        for attribute in conflicts:
+            if 'attribute_type_id' not in self or \
+               self['attribute_type_id'] != attribute['attribute_type_id']:
+                raise PLCInvalidArgument, "Slice attribute type name already in use"
+
+        return name
+
+    def validate_min_role_id(self, role_id):
+        roles = [row['role_id'] for row in Roles(self.api)]
+        if role_id not in roles:
+            raise PLCInvalidArgument, "Invalid role"
+
+        return role_id
+
+class SliceAttributeTypes(Table):
+    """
+    Representation of row(s) from the slice_attribute_types table in the
+    database.
+    """
+
+    def __init__(self, api, attribute_type_filter = None, columns = None):
+        Table.__init__(self, api, SliceAttributeType, columns)
+
+        sql = "SELECT %s FROM slice_attribute_types WHERE True" % \
+              ", ".join(self.columns)
+
+        if attribute_type_filter is not None:
+            if isinstance(attribute_type_filter, (list, tuple, set)):
+                # Separate the list into integers and strings
+                ints = filter(lambda x: isinstance(x, (int, long)), attribute_type_filter)
+                strs = filter(lambda x: isinstance(x, StringTypes), attribute_type_filter)
+                attribute_type_filter = Filter(SliceAttributeType.fields, {'attribute_type_id': ints, 'name': strs})
+                sql += " AND (%s) %s" % attribute_type_filter.sql(api, "OR")
+            elif isinstance(attribute_type_filter, dict):
+                attribute_type_filter = Filter(SliceAttributeType.fields, attribute_type_filter)
+                sql += " AND (%s) %s" % attribute_type_filter.sql(api, "AND")
+
+        self.selectall(sql)