def asyncGetTree(self, id=None, additionalKeys=()):
"""
Server side method for asynchronous tree calls. Retrieves
the immediate children of the node specified by "id"
NOTE: our convention on the UI side is if we are asking
for the root node then return the root and its children
otherwise just return the children
@type id: string
@param id: The uid of the node we are getting the children for
@rtype: [dictionary]
@return: Object representing the immediate children
"""
showEventSeverityIcons = self.context.dmd.UserInterfaceSettings.getInterfaceSettings(
).get('showEventSeverityIcons')
facade = self._getFacade()
currentNode = facade.getTree(id)
# we want every tree property except the "children" one
keys = ('id', 'path', 'uid', 'iconCls', 'text', 'hidden',
'leaf') + additionalKeys
# load the severities in one request
childNodes = list(currentNode.children)
if showEventSeverityIcons:
uuids = [n.uuid for n in childNodes if n.uuid]
zep = Zuul.getFacade('zep', self.context.dmd)
if uuids:
severities = zep.getWorstSeverity(uuids)
for child in childNodes:
if child.uuid:
child.setSeverity(
zep.getSeverityName(severities.get(child.uuid,
0)).lower())
children = []
# explicitly marshall the children
for child in childNodes:
childData = Marshaller(child).marshal(keys)
children.append(childData)
children.sort(key=lambda e: (e['leaf'], e['uid'].lower()))
obj = currentNode._object._unrestrictedGetObject()
# check to see if we are asking for the root
primaryId = obj.getDmdRoot(obj.dmdRootName).getPrimaryId()
if id == primaryId:
root = Marshaller(currentNode).marshal(keys)
root['children'] = children
return [root]
return children
def _marshalPath(self, contextUid, newId=None, localKeys=None):
tokens = contextUid.split('/')
if newId:
tokens.append(newId)
paths = []
# ["", "zport", "dmd", "Reports", <new node or an ancestor, at 4>, ...]
for x in range(4, len(tokens) + 1):
paths.append('/'.join(tokens[:x]))
nodes = [self._getFacade().getTree(id) for id in paths]
return [Marshaller(node).marshal(localKeys) for node in nodes]
def _marshalPath(self, contextUid, newId=None, localKeys=None):
# ensure all uids have cse_virtual_root prefix
contextUid = getUtility(IVirtualRoot).ensure_virtual_root(contextUid)
tokens = contextUid.split('/')
if newId:
tokens.append(newId)
paths = []
# ["", "cse_virtual_root", "zport", "dmd", "Reports", <new node or an ancestor, at 5>, ...]
for x in range(5, len(tokens) + 1):
paths.append('/'.join(tokens[:x]))
nodes = [self._getFacade().getTree(id) for id in paths]
return [Marshaller(node).marshal(localKeys) for node in nodes]
def asyncGetTree(self, id=None, additionalKeys=()):
"""
Server side method for asynchronous tree calls. Retrieves
the immediate children of the node specified by "id"
NOTE: our convention on the UI side is if we are asking
for the root node then return the root and its children
otherwise just return the children
@type id: string
@param id: The uid of the node we are getting the children for
@rtype: [dictionary]
@return: Object representing the immediate children
"""
showEventSeverityIcons = self.context.dmd.UserInterfaceSettings.getInterfaceSettings(
).get('showEventSeverityIcons')
facade = self._getFacade()
currentNode = facade.getTree(id)
# we want every tree property except the "children" one
keys = ('id', 'path', 'uid', 'iconCls', 'text', 'hidden',
'leaf') + additionalKeys
# load the severities in one request
childNodes = list(currentNode.children)
if showEventSeverityIcons:
uuids = [n.uuid for n in childNodes if n.uuid]
zep = Zuul.getFacade('zep', self.context.dmd)
if uuids:
severities = zep.getWorstSeverity(uuids)
for child in childNodes:
if child.uuid:
child.setSeverity(
zep.getSeverityName(severities.get(child.uuid,
0)).lower())
children = []
# explicitly marshall the children
for child in childNodes:
childData = Marshaller(child).marshal(keys)
# set children so that there is not an expanding
# icon next to this child
# see if there are any subtypes so we can show or not show the
# expanding icon without serializing all the children.
# Note that this is a performance optimization see ZEN-15857
organizer = child._get_object()
# this looks at the children's type without waking them up
hasChildren = any((o['meta_type'] for o in organizer._objects
if o['meta_type'] == organizer.meta_type))
# reports have a different meta_type for the child organizers
if "report" not in organizer.meta_type.lower() and not hasChildren:
childData['children'] = []
children.append(childData)
children.sort(key=lambda e: (e['leaf'], e['uid'].lower()))
obj = currentNode._object._unrestrictedGetObject()
# check to see if we are asking for the root
primaryId = obj.getDmdRoot(obj.dmdRootName).getPrimaryId()
if currentNode.uid == primaryId:
root = Marshaller(currentNode).marshal(keys)
root['children'] = children
return [root]
return children