I apologize if this is a stupid/newb question, but when a Rally query result is returned with a _ref (using the Javascript SDK 1.32), is there a way to directly get the object associated with the _ref?
I see that I can use getRefFromTypeAndObjectId to get the type and the object ID, and then query on that type and object ID to get the object, however I wondered if there was something like getObjectFromRef or some other such way to more directly get back the object associated with the reference.
Excellent question. The getRallyObject method on RallyDataSource should do what you need.
var ref = '/defect/12345.js';
rallyDataSource.getRallyObject(ref, function(result) {
//got it
var name = result.Name;
}, function(response) {
//oh noes... errors
var errors = response.Errors;
});
In SDK 2.0 you use the load method of a data model to read a specific object. Check out this example: http://developer.help.rallydev.com/apps/2.0p5/doc/#!/guide/appsdk_20_data_models
Related
I was learning mongoose, and I am trying to figure out.
Why toObject() was needed to convert the data received into Object, when it was already in object form it seems
Here is the code:
UserSchema.methods.toJSON = function() {
var user = this;
var userObject = user.toObject();
return _.pick(userObject, ['_id', 'email']);
};
I cannot understand why toObject() was used to extract the meaningful properties from the object.
Thanks
toObject is a mongoose document method Document.prototype.toObject() which:
Converts this document into a plain javascript object, ready for storage in MongoDB.
You can more about it here
The reason it is called there is because a plain JS object is required in order to do the lodash _.pick which would create a new object with only _id and email properties.
I am trying to write a Cloud Function in node where I can return a token from a parameter.
The URL I use is...
https://us-central1-nmnm03.cloudfunctions.net/GetAccount?taccount=Asd
my function is this... and its wrong. I suspect I am not assigning TT properly.
var functions = require('firebase-functions');
const admin = require('firebase-admin');
admin.initializeApp(functions.config().firebase);
exports.GetAccount = functions.https.onRequest((req, res) => {
const t = admin.database().ref('/newaccout/'+req.query.account)
const tt = t.child(token)
res.send( "res is " + tt );
});
req.query.account is the Key. One of the Items in the document is token
ideally, I would like to get something like...
{"token":"23453458885"}
Could I get a node hint please... thanks
Though, I am not a firebase geek. What it seems from the documentation is that you will have two events that you can use to listen for retrieving child data. You can read further more here. The given options are used for different cases. Please follow through the mentioned link to have clear view.
Inside your cloud function you can try doing following:
const t = admin.database().ref('/newaccout/'+req.query.account)
t.on('child_added', function(data) {
res.json({
token: data.token
})
})
Or maybe like this:
const t = admin.database().ref('/newaccout/'+req.query.account)
t.once('value', function(snapshot) {
//Process it like above
//But here you will get al child elements at once
});
It looks like you are expecting to query the value found at a database reference stored at t. Unfortunately, you haven't actually performed a query yet. tt is just yet another Reference object that points to a location in the database. You should use the once() method on Reference to query a database location. Also bear in mind that you are using a variable called token, but you haven't defined yet in your code. To me, that looks like it would generate an error to me.
You might be well served by looking at a bunch of the sample code.
I am using Google diff-match-patch JAVA plugin to create patch between two JSON strings and storing the patch to database.
diff_match_patch dmp = new diff_match_patch();
LinkedList<Patch> diffs = dmp.patch_make(latestString, originalString);
String patch = dmp.patch_toText(diffs); // Store patch to DB
Now is there any way to use this patch to re-create the originalString by passing the latestString?
I google about this and found this very old comment # Google diff-match-patch Wiki saying,
Unpatching can be done by just looping through the diff, swapping
DIFF_INSERT with DIFF_DELETE, then applying the patch.
But i did not find any useful code that demonstrates this. How could i achieve this with my existing code ? Any pointers or code reference would be appreciated.
Edit:
The problem i am facing is, in the front-end i am showing a revisions module that shows all the transactions of a particular fragment (take for example an employee details), like which user has updated what details etc. Now i am recreating the fragment JSON by reverse applying each patch to get the current transaction data and show it as a table (using http://marianoguerra.github.io/json.human.js/). But some JSON data are not valid JSON and I am getting JSON.parse error.
I was looking to do something similar (in C#) and what is working for me with a relatively simple object is the patch_apply method. This use case seems somewhat missing from the documentation, so I'm answering here. Code is C# but the API is cross language:
static void Main(string[] args)
{
var dmp = new diff_match_patch();
string v1 = "My Json Object;
string v2 = "My Mutated Json Object"
var v2ToV1Patch = dmp.patch_make(v2, v1);
var v2ToV1PatchText = dmp.patch_toText(v2ToV1Patch); // Persist text to db
string v3 = "Latest version of JSON object;
var v3ToV2Patch = dmp.patch_make(v3, v2);
var v3ToV2PatchTxt = dmp.patch_toText(v3ToV2Patch); // Persist text to db
// Time to re-hydrate the objects
var altV3ToV2Patch = dmp.patch_fromText(v3ToV2PatchTxt);
var altV2 = dmp.patch_apply(altV3ToV2Patch, v3)[0].ToString(); // .get(0) in Java I think
var altV2ToV1Patch = dmp.patch_fromText(v2ToV1PatchText);
var altV1 = dmp.patch_apply(altV2ToV1Patch, altV2)[0].ToString();
}
I am attempting to retrofit this as an audit log, where previously the entire JSON object was saved. As the audited objects have become more complex the storage requirements have increased dramatically. I haven't yet applied this to the complex large objects, but it is possible to check if the patch was successful by checking the second object in the array returned by the patch_apply method. This is an array of boolean values, all of which should be true if the patch worked correctly. You could write some code to check this, which would help check if the object can be successfully re-hydrated from the JSON rather than just getting a parsing error. My prototype C# method looks like this:
private static bool ValidatePatch(object[] patchResult, out string patchedString)
{
patchedString = patchResult[0] as string;
var successArray = patchResult[1] as bool[];
foreach (var b in successArray)
{
if (!b)
return false;
}
return true;
}
I am new to Dojo, I am using QueryReadStore as the store for loading my TreeGrid, working fine. But the QueryReadStore appends some paramters to the url, parameters like parentId, count, sort etc., I have looked at this link http://dojotoolkit.org/reference-guide/1.7/dojox/data/QueryReadStore.html, but not able to understand.
Parameters are getting passed like this servlet/DataHandler?start=0&count=25
How to manipulate the parameters, like I want to set the value for parentId paramters so that I only get that particular row details.
In theory you wold have to create a new class by extending the "dojox.data.QueryReadStore", in the link you posted have an example for doing exactly what you want. See if you get it now(changed a bit):
dojo.require("dojox.data.QueryReadStore");
dojo.declare("custom.MyReadStore", dojox.data.QueryReadStore, {
fetch:function(request){
//append here your custom parameters:
var qs = {p1:"This is parameter 1",
q:request.query.name
}
request.serverQuery = qs;
// Call superclasses' fetch
return this.inherited("fetch", arguments);
}
});
So When come to create the QueryReadStore you actually create a object with the class you defined. something like this:
var queryReadStore = new custom.MyReadStore({args...})
Explore the request parameter passed to the function to see what else you can do.
I create a JSonStore with a JSON formatted array of objects.
I have verified it is properly formatted.
I then try to use a dojo forEach loop on it but the JSonStore doesn't seem to have any data in it. I can specify the target in my web page URL and it shows the right data. But using console.log(myJsonStore) shows an object but I don't see the data in Firebug. I also don't see any GET for the service providing the data. It's like specifying the target path in a URL in the browser fires the GET but not when I try to trigger it in the postCreate where my foreach is located.
The answer from Ricardo, i believe is a little incorrect, seeing as the JsonRest.query function returns a dojo.Deferred.
You have a REST call being made asynchroniously through store read api - and once it returns values, it will promise to run whats set as the callback.
Try this for your loop iterator instead
storeObj.query( {} ).then(function ( results ) {
dojo.forEach( results, function( obj ) {
console.log( obj );
});
}
you can do this:
var storeObj = new JsonRest({
target: "/some/resource"
});
storeObj.query({}).forEach(function(obj){console.log(obj);});
that should do the trick