SharePoint 2013 Hosting :: How to Retrieve All Groups Using REST API in SharePoint 2013 Root Site ?

Today, we will discuss about How to Retrieve All Groups Using REST API in SharePoint 2013 Root Site. In this example we are using the following method in the NAPA Tool. On your Developer web site, open the “Napa” office 365 Development Tools so select Add New Project. Now Select the App for SharePoint template, name the project produce web site so select the create button. And then replace APP.js with the subsequent source code. After that, publish Your App.

These are important steps to be done before creating the app.
Specify the permissions that your app needs as within the following.
Choose the Properties button at the bottom of the page.
Within the Properties window, select Permissions.
Within the Content category, set the Write permissions for the Tenant scope.
Within the Social category, set the read permissions for the User Profiles scope.
Close the Properties window.

Now, write the following code:

'use strict';  
var hostweburl;  
var appweburl;  
// Get the URLs for the app web the host web URL from the query string.    
$(document).ready(function()   
{  
    //Get the URI decoded URLs.    
    hostweburl = decodeURIComponent(getQueryStringParameter("SPHostUrl"));  
    appweburl = decodeURIComponent(getQueryStringParameter("SPAppWebUrl"));  
    // Resources are in URLs in the form:    
    // web_url/_layouts/15/resource    
    // Load the js file and continue to load the page with information about the folders.    
    // SP.RequestExecutor.js to make cross-domain requests    
    $.getScript(hostweburl + "/_layouts/15/SP.RequestExecutor.js", retrivegroup);  
});  
//Retrieve all of the folders from root Site    
function retrivegroup()   
{  
    var executor;  
    // Initialize the RequestExecutor with the app web URL.    
    executor = new SP.RequestExecutor(appweburl);  
    executor.executeAsync({  
        url: appweburl + "/_api/SP.AppContextSite(@target)/web/sitegroups?@target= '" + hostweburl + "'",  
        method: "GET",  
  
        headers: {  
            "Accept": "application/json; odata=verbose"  
        },  
        success: getGroupsSuccessHandler,  
        error: function(err) {  
            alert("error: " + JSON.stringify(err));  
        }  
    });  
}  
  
function getGroupsSuccessHandler(data)   
{  
    var jsonObject = JSON.parse(data.body);  
    var Groups = document.getElementById("RetriveGroups");  
    if (Groups.hasChildNodes())   
    {  
        while (Groups.childNodes.length >= 1)   
        {  
            Groups.removeChild(Groups.firstChild);  
        }  
    }  
    var results = jsonObject.d.results;  
    for (var i = 0; i < results.length; i++)   
    {  
        var allgroups = document.createElement("option");  
        allgroups.value = results[i].Title;  
        allgroups.innerText = results[i].Title;  
        Groups.appendChild(allgroups);  
    }  
}  
  
//Utilities    
// Retrieve a query string value.    
// For production purposes you may want to use a library to handle the query string.    
function getQueryStringParameter(paramToRetrieve)   
{  
    var params = document.URL.split("?")[1].split("&");  
    for (var i = 0; i < params.length; i = i + 1)   
    {  
        var singleParam = params[i].split("=");  
        if (singleParam[0] == paramToRetrieve) return singleParam[1];  
    }  
}

'use strict';

var hostweburl;

var appweburl;

// Get the URLs for the app web the host web URL from the query string.

$(document).ready(function()

{

//Get the URI decoded URLs.

hostweburl = decodeURIComponent(getQueryStringParameter("SPHostUrl"));

appweburl = decodeURIComponent(getQueryStringParameter("SPAppWebUrl"));

// Resources are in URLs in the form:

// web_url/_layouts/15/resource

// Load the js file and continue to load the page with information about the folders.

// SP.RequestExecutor.js to make cross-domain requests

$.getScript(hostweburl + "/_layouts/15/SP.RequestExecutor.js", retrivegroup);

});

//Retrieve all of the folders from root Site

function retrivegroup()

{

var executor;

// Initialize the RequestExecutor with the app web URL.

executor = new SP.RequestExecutor(appweburl);

executor.executeAsync({

url: appweburl + "/_api/SP.AppContextSite(@target)/web/sitegroups?@target= '" + hostweburl + "'",

method: "GET",

headers: {

"Accept": "application/json; odata=verbose"

success: getGroupsSuccessHandler,

error: function(err) {

alert("error: " + JSON.stringify(err));

}

});

}

function getGroupsSuccessHandler(data)

{

var jsonObject = JSON.parse(data.body);

var Groups = document.getElementById("RetriveGroups");

if (Groups.hasChildNodes())

{

while (Groups.childNodes.length >= 1)

{

Groups.removeChild(Groups.firstChild);

}

var results = jsonObject.d.results;

for (var i = 0; i < results.length; i++)

{

var allgroups = document.createElement("option");

allgroups.value = results[i].Title;

allgroups.innerText = results[i].Title;

Groups.appendChild(allgroups);

}

//Utilities

// Retrieve a query string value.

// For production purposes you may want to use a library to handle the query string.

function getQueryStringParameter(paramToRetrieve)

{

var params = document.URL.split("?")[1].split("&");

for (var i = 0; i < params.length; i = i + 1)

{

var singleParam = params[i].split("=");

if (singleParam[0] == paramToRetrieve) return singleParam[1];

}

Finally, publish the App and click the Trust it Button shown on the below picture:

Here is the output:

Group Retrieved Successfully.

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SharePoint 2013 Hosting :: How to Retrieve All Groups Using REST API in SharePoint 2013 Root Site ?

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SharePoint 2013 Hosting :: How to Retrieve All Groups Using REST API in SharePoint 2013 Root Site ?

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