SP File API

by dshilkret

JavaScript

var appWebUrl, hostWebUrl;

jQuery(document).ready(function () {

    // Check for FileReader API (HTML5) support.
    if (!window.FileReader) {
        alert('This browser does not support the FileReader API.');
    }

    // Get the add-in web and host web URLs.
    appWebUrl = decodeURIComponent(getQueryStringParameter("SPAppWebUrl"));
    hostWebUrl = decodeURIComponent(getQueryStringParameter("SPHostUrl"));
});

// Upload the file.
// You can upload files up to 2 GB with the REST API.
function uploadFile() {

    // Define the folder path for this example.
    var serverRelativeUrlToFolder = '/shared documents';

    // Get test values from the file input and text input page controls.
    // The display name must be unique every time you run the example.
    var fileInput = jQuery('#getFile');
    var newName = jQuery('#displayName').val();

    // Initiate method calls using jQuery promises.
    // Get the local file as an array buffer.
    var getFile = getFileBuffer();
    getFile.done(function (arrayBuffer) {

        // Add the file to the SharePoint folder.
        var addFile = addFileToFolder(arrayBuffer);
        addFile.done(function (file, status, xhr) {

            // Get the list item that corresponds to the uploaded file.
            var getItem = getListItem(file.d.ListItemAllFields.__deferred.uri);
            getItem.done(function (listItem, status, xhr) {

                // Change the display name and title of the list item.
                var changeItem = updateListItem(listItem.d.__metadata);
                changeItem.done(function (data, status, xhr) {
                    alert('file uploaded and updated');
                });
                changeItem.fail(onError);
            });
            getItem.fail(onError);
        });
        addFile.fail(onError);
    });
    getFile.fail(onError);

    // Get the local file as an array buffer.
    function getFileBuffer() {
        var deferred = jQuery.Deferred();
        var reader =...