Using AngularJs $resource and jquery bind

Question

I'm new to Angualrjs and I'm trying to figure out this code... this is how the service looks like

var userGroupServices = angular.module('userGroupServices', ['ngResource']);
userGroupServices.factory('UserRoles', ['$resource', function ($resource) {

    var r1 = $resource('/api/UserRoles/:UserRoleId', null, {
        'update': { method: 'PUT' },
        'delete': { method: 'DELETE' }
    });
    r2 = $resource('/api/UserRoles', null, {
        'add': { method: 'POST' },
        'getRoles': { method: 'GET' }
    });
    r3 = $resource('/api/UserRoles/GetRolesByGroupType/:groupTypeName', null, {
        'getRolesByName': {method:'GET'}
    });

    r1.getAll = r2.getRoles.bind(r2);
    r1.add = r2.add.bind(r2);
    r1.getRolesByName = r3.getRolesByName.bind(r3);
    return r1;

}]);

Why is it in the end, you bind r2 and r3 variables into r1 variable? how do i use this factory to POST something, i try to post it like this way but it didn't do anything(in my controller)...

addService.addRole({ roleName: groupTypeName });

Vinny · Accepted Answer · 2015-08-25 15:45:53Z

1

I think the reason why resources 2 and 3 are being combined and returned by resource 1 is to abstract these other resources away from someone who wants to use the UserRoles service. Now you don't need to know about how many resources the service needs in order to work.

As for posting, .addRole() doesn't seem to exist in your service. Try UserRoles.add({object}).

answered Aug 25, 2015 at 15:45

Vinny

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1 Comment

Dayan Over a year ago

Yeah... i figure it out it's trying to combin r2 and r3 variables to r1 because then you can use it in the controller as one feature, which means you can use any of that method names in the controller by just naming the method name, for instance,` addService.getRoles({ roleName: groupTypeName })`. thanks for the help...

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