# $Id$
+# $Id$
+# $URL$
+#
+# Thierry Parmentelat - INRIA
+#
+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
+
+# xxx todo : deleting a tag type should delete the related nodegroup(s)
+
+class TagType (Row):
+
+ """
+ Representation of a row in the tag_types table.
+ """
+
+ table_name = 'tag_types'
+ primary_key = 'tag_type_id'
+ join_tables = ['node_tag', 'interface_tag', 'slice_tag', 'site_tag', 'person_tag' ]
+ fields = {
+ 'tag_type_id': Parameter(int, "Node tag type identifier"),
+ 'tagname': Parameter(str, "Node tag type name", max = 100),
+ 'description': Parameter(str, "Node tag type description", max = 254),
+ 'category' : Parameter (str, "Node tag category", max=64, optional=True),
+ 'min_role_id': Parameter(int, "Minimum (least powerful) role that can set or change this attribute"),
+ }
+
+ def validate_name(self, name):
+ if not len(name):
+ raise PLCInvalidArgument, "node tag type name must be set"
+
+ conflicts = TagTypes(self.api, [name])
+ for tag_type in conflicts:
+ if 'tag_type_id' not in self or \
+ self['tag_type_id'] != tag_type['tag_type_id']:
+ raise PLCInvalidArgument, "node tag 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 TagTypes(Table):
+ """
+ Representation of row(s) from the tag_types table
+ in the database.
+ """
+
+ def __init__(self, api, tag_type_filter = None, columns = None):
+ Table.__init__(self, api, TagType, columns)
+
+ sql = "SELECT %s FROM tag_types WHERE True" % \
+ ", ".join(self.columns)
+
+ if tag_type_filter is not None:
+ if isinstance(tag_type_filter, (list, tuple, set)):
+ # Separate the list into integers and strings
+ ints = filter(lambda x: isinstance(x, (int, long)), tag_type_filter)
+ strs = filter(lambda x: isinstance(x, StringTypes), tag_type_filter)
+ tag_type_filter = Filter(TagType.fields, {'tag_type_id': ints, 'tagname': strs})
+ sql += " AND (%s) %s" % tag_type_filter.sql(api, "OR")
+ elif isinstance(tag_type_filter, dict):
+ tag_type_filter = Filter(TagType.fields, tag_type_filter)
+ sql += " AND (%s) %s" % tag_type_filter.sql(api, "AND")
+ elif isinstance (tag_type_filter, StringTypes):
+ tag_type_filter = Filter(TagType.fields, {'tagname':[tag_type_filter]})
+ sql += " AND (%s) %s" % tag_type_filter.sql(api, "AND")
+ else:
+ raise PLCInvalidArgument, "Wrong node tag type filter %r"%tag_type_filter
+
+ self.selectall(sql)
# $URL$
#
# Thierry Parmentelat - INRIA