- Change .py files to use 4-space indents and no hard tab characters.

[plcapi.git] / PLC / TagTypes.py

diff --git a/PLC/TagTypes.py b/PLC/TagTypes.py
index a7a3f4e..209b61e 100644 (file)
--- a/PLC/TagTypes.py
+++ b/PLC/TagTypes.py
@@ -1,4 +1,84 @@
 # $Id$
+# $Id$
+# $URL$
+#
+# 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