Develop Reference

NodeJS : Need Help To build object with some Brackets and Braces

In my project I use request lib () and i would like to use qsStringifyOptions for query parametre but it's to much complicated in my case :/
In their documentation they link qs module to use qsStringifyOptions like them
I would like to have this URL
http://127.0.0.1:80/endpoint?foo=bar[baz:3]&aaa=[{baa:X,caa:XX,daa:[{eaa:Z,faa:ZZ}]}]&data[B]=BB&data[C]=CC
but I have this URL:
http://127.0.0.1:80/endpoint?foo=bar[baz:3]&aaa=[%7B%22baa%22:%22X%22,%22caa%22:%22XX%22,%22daa%22:[%7B%22eaa%22:%22Z%22,%22faa%22:%22ZZ%22%7D]%7D]&data[B]=BB&data[C]=CC
With this solution, the 'foo' attribute and data[B] and data[C] work fine but 'aaa' attribut not at all :
{ // some standar param URI, methode ...
useQuerystring: false,
qsStringifyOptions : {encodeValuesOnly: true, encode: false, indices: false},
qs : {
foo: 'bar[baz:1]',
aaa:'[{"baa":"X","caa":"XX","daa":[{"eaa":"Z","faa":"ZZ"}]}]',
data: {B:'BB', C:'CC'}
}
}
what i'm doing wrong? i just want it not to parse the 'aaa' attribute
thank you in advance for your help and your time

How to use square brackets in nodejs (request-promise)?

it is my first post here, so please forgive me if I did something wrong.
So, I need to do a POST request in NodeJS. I choose request-promise for it. Everything was working like a charm until I needed to use square brackets in a key name. So I have the following code:
var options = {
method: 'POST',
uri: 'https://link.com',
form: {
ecomTeam[]: 'value',
ecomTeam%5B%5D: 'value', // tried this, doesn't work
'ecomTeam[]': 'value', // tried this, doesn't work
`ecomTeam[]`: 'value', // tried this, doesn't work
}
};
rp(options)
.then ...
How do I get it to work? I have tried a few solutions as seen in the snippet above - with no luck.

You can use brackets in an object key
var options = {
method: 'POST',
uri: 'https://link.com',
form: {
'ecomTeam[]': 'value',
'ecomTeam[]1': 'value1'
}
}
console.log(options.form['ecomTeam[]'])
console.log(options.form['ecomTeam[]1'])
like this

Duplicate keys in a REST connector query in loopback

I would like to ask if you know how could I duplicate parameters in a loopback REST connector query.
I have the following code:
details: {
'template': {
'method': 'GET',
'debug': true,
'url': 'https://www.example.com/data',
'timeout': 10000,
'headers': {
'Authorization': 'Bearer {token}'
},
'query': {
q: 'PHOTOS'
q: 'DETAILS',
id: '{id}'
},
'options': {
'useQuerystring': true
},
'responsePath': '$'
},
'functions': {
'searchData': [
'token',
'id'
]
}
}
The problem for that it is that it seems that loopback override the value of the parameter q by the last one, because I get only information for the last parameter.
Any idea how to solve it?
Thank you in avance.

You just have to pass them as an array:
'query': {
q: ['PHOTOS', 'DETAILS'],
id: '{id}'
},
Note that the options key, is passed to request and here's the documentation for useQuerystring:
useQuerystring - If true, use querystring to stringify and parse querystrings, otherwise use qs (default: false). Set this option
to true if you need arrays to be serialized as foo=bar&foo=baz
instead of the default foo[0]=bar&foo[1]=baz.
So if you remove it you'll end with something like ?q[0]=PHOTOS&q[1]=DETAILS.
You can also another option there:
qsStringifyOptions - object containing options to pass to the qs.stringify method.
Alternatively pass options to the
querystring.stringify
method using this format {sep:';', eq:':', options:{}}. For example,
to change the way arrays are converted to query strings using the qs
module pass the arrayFormat option with one of
indices|brackets|repeat
So you can actually end up with the same thing adding this:
"options": {
"qsStringifyOptions": {
"arrayFormat": "repeat"
}
}
And if you want to have just the brackets(something like this ?q[]=PHOTOS&q[]=DETAILS) you can specify brackets option:
"options": {
"qsStringifyOptions": {
"arrayFormat": "brackets"
}
}

Nested attributes with Angular.js

I have been racking my brain and google all morning trying to figure this out but I have come to the conclusion that I need to ask the experts! I am trying to do nested attributes with Sinatra and Angular, don't worry about the Sinatra side of things I am just trying to get the data to the server side in the correct manner at the moment. Please see the code below for an explanation of
My Input:
<input type="text" placeholder="{{item.placeholder}}" ng-model="question.possible_answer_attributes[$index][title]" class="form-control" />
My model object:
$scope.question = new Question({
poll_id: parseInt($routeParams.id),
title: '',
kind: 'open',
possible_answer_attributes: [] // I believe the issue may lie here
});
My factory:
.factory('Question', function($resource) {
return $resource('/api/questions/:id', { id: '#id' }, {
'update' : { method: 'PUT' },
'get_by_poll' : { method: 'GET', url: '/api/questions_by_poll/:id', isArray: true }
});
})
My object at time of running save function:
{"poll_id"=>1, "title"=>"123123", "kind"=>"multiple", "possible_answer_attributes"=>[{"undefined"=>"412312"}, {"undefined"=>"1234124"}, {"undefined"=>"234235234"}]}
I do not understand why my "possible_answer_attributes" keys are coming through as "undefined". It may be something very simple that I have missed, but any feedback would be great!
Thanks in advance!

In order to address the title property, you would need to use a string to index into the object:
ng-model="question.possible_answer_attributes[$index]['title']"
This should hold as long as possible_answer_attributes array looks like:
[{ title: 'my title' }]

Links (relations) to REST resources in AngularJS

I have a REST API, which returns User object, where its roles are specified via link to another object. So at localhost/project/api/users/27/ is JSON object:
{
"id": 42,
"name": "John",
"prijmeni": "Doe",
"login": "johndoe",
"nickname": null,
"grade": 1.3,
"roles": {
"href": "http://localhost/project/api/users/1716/roles/"
}
}
What I'm trying to do is to get roles in controller. My User service looks like this:
projectServices.factory('User', ['$resource', 'UserRoles',
function($resource, UserRoles, Role) {
var User = $resource('http://localhost/project/api/users/:id', {}, {
'query': {
method: 'GET',
isArray: true
}
});
return User;
}
]);
and I tried to add (to that resource code block):
User.prototype.roles= function(){
return UserRoles.get({id:42});
};
this one freezes browser when called in ngRepeat. So I tried
User.prototype.roles = UserRoles.get({id:42});
this works. Then I tried
User.prototype.roles = $resource(this.roles.href, {}, {
'get': {
method: 'GET',
isArray: true
}
});
says, that roles is undefined. I also tried to add transformResponse param to User service GET action, but that function was never called.
The second option works just perfectly fine - except, that I have to hardcode the user ID. Suitable solution would be with somehow getting the user ID for me (i tried this.id, but that didn't work).
Perfect solution would be creating resource from given href, but as I can't access roles in prototype, I don't know how.
Thanks for any advice.

This should do the trick
projectServices.factory('UserRoles', function(){
return $resource('http://localhost/project/api/users/:id', {id: #id},
{'query': {
method: 'GET',
isArray: true
})
}
Now you can call it with
UserRoles.get({id:42})
// this makes the request : http://localhost/project/api/users/42
The #id tells angular to use the id key from the parameter passed.