How to Get the File Checked Out by User in SharePoint 2013 Online Using REST API

Vijai Anand Ramalingam
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Introduction

SharePoint 2013 introduces a Representational State Transfer (REST) service that is comparable to the existing SharePoint client object models. This allows the developers to interact remotely with SharePoint data by using any technology that supports REST web requests. This means that developers can perform Create, Read, Update and Delete (CRUD) operations from their apps for SharePoint, solutions and client applications, using REST web technologies and standard Open Data Protocol (OData) syntax. I have a Document Library named “Documents” in which I have created a folder named “FolderA”. FolderA has the following files.

In this article you will see the following:

Create an app using NAPA Tool in SharePoint 2013 Online.
Cross-Domain Requests.
Get the file checked out by user login name using the REST API.

Endpoint URI

https://c986.sharepoint.com/_api/Web/GetFileByServerRelativeUrl('fileURL')/CheckedOutByUser/LoginName

fileURL Example

/Shared%20Documents/FolderA/How%20to%20create%20a%20calculated%20field%20in%20SharePoint%202013%20Online%20using%20REST%20Service.docx

Note: If you are making cross-domain requests then you need to add SP.AppContextSite(@target) and ?@target='<host web url>' to the endpoint URI.

HTTP Request

GET: Read a Resource

JSON

Use the following procedure to create an app using the NAPA Tool:

Navigate to the SharePoint 2013 Online site.
Click on Site Contents in the quick launch bar.
Click on “Napa” Office 365 Development Tools.
Click on Add New Project.
Select App for SharePoint, enter the Project name and then click on Create.

Permissions

Ensure appropriate permission is provided to access the content. Click on Properties button, and then click on Permissions. Set the required permission to access the content.

Default.aspx

Replace the contents of Default.aspx with the following:

<%-- The markup and script in the following Content element will be placed in the <head>of the page --%>

<asp:content contentplaceholderid="PlaceHolderAdditionalPageHead" runat="server">

</asp:content>

<%-- The markup in the following Content element will be placed in the TitleArea of the page --%>

<asp:content contentplaceholderid="PlaceHolderPageTitleInTitleArea" runat="server">Page Title</asp:content>

<%-- The markup and script in the following Content element will be placed in the <body>of the page --%>

<asp:content contentplaceholderid="PlaceHolderPageTitleInTitleArea" runat="server">REST API Examples</asp:content>

<%-- The markup and script in the following Content element will be placed in the <body>of the page --%>

<asp:content contentplaceholderid="PlaceHolderMain" runat="server">

<div>

<p>

<b>Checked Out By</b>

<br />

<button id="getcheckedoutbybutton">Checked out by</button>

</p>

</div>

</asp:content>

App.js

Replace the contents of App.js with the following:

'use strict';

var hostweburl;

var appweburl;

// Load the required SharePoint libraries.

$(document).ready(function () {

//Get the URI decoded URLs.

hostweburl = decodeURIComponent(

getQueryStringParameter("SPHostUrl"));

appweburl = decodeURIComponent(

getQueryStringParameter("SPAppWebUrl"));

//Assign events to buttons

$("#getcheckedoutbybutton").click(function (event) {

getCheckedOutBy();

event.preventDefault();

});

// Resources are in URLs in the form:

// web_url/_layouts/15/resource

var scriptbase = hostweburl + "/_layouts/15/";

// Load the js file and continue to load the page.

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

$.getScript(scriptbase + "SP.RequestExecutor.js");

});

// 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];

}

// File checked out by

function getCheckedOutBy() {

var getfilename = document.getElementById("getfilename").value;

var executor;

// Initialize the RequestExecutor with the app web URL.

executor = new SP.RequestExecutor(appweburl);

executor.executeAsync({

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

method: "GET",

headers: {

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

success: getCheckedOutBySuccessHandler,

error: getCheckedOutByErrorHandler

});

}

// Success Handler

function getCheckedOutBySuccessHandler(data) {

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

// Display the File Checked Out By

alert("Checked Out By: " + jsonObject.d.LoginName);