I have been trying to query Rally just to get a certain object by its ObjectID, but then I end up needing its parent in many cases. For example, for a task, I need its associated User Story, and that Story's Feature. It ended up being quite the cascade of callbacks (fair warning, it's ugly) - can anyone recommend a more efficient solution? The ability to query by OID is nice, but its too bad I need more than just information about that OID. (Note - solution must utilize WSAPI, not LBAPI).
Rally.data.WsapiModelFactory.getModel({
type: 'Task',
context: {
workspace: Rally.util.Ref.getRelativeUri()
},
success: function(taskModel) {
taskModel.load(oid, {
scope: this,
callback: function(taskRecord, op, success) {
if (taskRecord && taskRecord.data.WorkProduct && taskRecord.data.WorkProduct._type == "HierarchicalRequirement") {
// get User Story
Rally.data.WsapiModelFactory.getModel({
type: 'User Story',
context: {
workspace: Rally.util.Ref.getRelativeUri()
},
success: function(userStoryModel) {
userStoryModel.load(taskRecord.data.WorkProduct._ref, {
scope: this,
callback: function(storyRecord, op, success) {
if (storyRecord && storyRecord.data && storyRecord.data.Feature) {
// Get Feature
Rally.data.WsapiModelFactory.getModel({
type: 'PortfolioItem/Feature',
context: {
workspace: Rally.util.Ref.getRelativeUri()
},
success: function(featureModel) {
featureModel.load(storyRecord.data.Feature._ref, {
scope: this,
callback: function(featureRecord) {
displayTask(oid, taskRecord, storyRecord, featureRecord);
}
});
}
});
}
}
});
}
});
}
}
});
}
});
You can pull in the Work Product parent and its associated Feature directly in a single query. Try this:
Ext.create('Rally.data.WsapiDataStore', {
model : 'Task',
fetch : ['WorkProduct','Name','Feature'],
filters : [{
property : 'ObjectID',
value : OID
}]
}).load({
callback : function(records, operation, success) {
var task = records[0];
var userStory = task.get('WorkProduct');
var feature = userStory.Feature;
}
});