SharePoint 2013 Hosting Tutorial - How to Export and Import using JSON and REST in App in SharePoint ?

One massive request from IT Managers and workplace 365 SharePoint website is regarding Migrations of data and SharePoint Objects from SharePoint site, yes there's lots of tools that assist you creating this kind of migration,we hear lots regarding moving users, Lists, Content sorts but how this really works. Now, this example will show how you can use the data in JSON base from REST operations & SharePoint Objects from SharePoint Sites then change it and import to different SharePoint sites .

The made Sharepoint App model indicates how we can export and import Sharepoint Objects utilizing JSON and REST with Javascript. This sort of technique can be exceptionally valuable to move Sharepoint Site Configurations to numerous sites destinations, for this case utilized the "RoleDefinition" object to export a existing RoleDefinition Object and import with a different name using JSON data.

How the App Works?

The application get a current RoleDefinition authorization Name in the Sharepoint site and make a REST operation to give back where its due information related.

The main thing was get the Name of a consent in Permission Levels, you can get to the page emulating the Top Right Menu Site settings > Site Permissions > Ribbon Permissions Levels.

Export JSON Roledefinition

At the point when the Permission name is chosen access to Exportimport App and select the Option Export RoleDefinition JSON and the JSON information is shown in the Textarea.

function ExportJson() {
var executor = new SP.RequestExecutor(SPAppWebUrl);
executor.executeAsync({
url: SPAppWebUrl + "/_api/SP.AppContextSite(@target)/Web/Roledefinitions?$filter=Name eq '" + $('#Roledefinition').val() + "'&@target='" + SPHostUrl + "'",
method: "GET",
headers: { "Accept": "application/json; odata=verbose" },
success: function (data) { $('#ExportJSON ').val(data.body); SP.UI.Notify.addNotification('Roledefinitions exported with Success!!', false); },
error: function (sender, args) {
SP.UI.Notify.addNotification('Request failed. ' + sender.statusText + '\n' + sender.statusCode); }
});
}

Import JSON Roledefinition

Duplicate the JSON data and paste in the Import JSON TextArea and give another Name to the Roledefinition and select "Import new Roledefinition JSON". This operation will send a POST Method by REST with the JSON information and properties related in the Body of the message to Sharepoint.

After this the object ought to be made with achievement.

And here is the code:
function ImportJson() {
var item = JSON.parse($('#ImportJSON').val()).d;
var executor = new SP.RequestExecutor(SPAppWebUrl);
if (item.results.length == 1) {
executor.executeAsync({
url: SPAppWebUrl + "/_api/SP.AppContextSite(@target)/web/roleDefinitions?@target='" + SPHostUrl + "'",
method: "POST",
body: "{ '__metadata': { 'type': 'SP.RoleDefinition' }, 'BasePermissions':{ '__metadata': { 'type': 'SP.BasePermissions' }, 'High': '" + item.results[0].BasePermissions.High + "','Low':'" + item.results[0].BasePermissions.Low + "'}, 'Description': '" + item.results[0].Description + "', 'Name': '" + $('#NameRoledefinition').val() + "', 'Order': " + item.results[0].Order + " }'",
headers: {
"content-type": "application/json; odata=verbose"
},
success: function (data) { SP.UI.Notify.addNotification('New role "' + $('#NameRoledefinition').val() + '" Roledefinitions imported with Success!!'); },
error: function (sender, args) {
SP.UI.Notify.addNotification('Request failed. ' + sender.statusText + '\n' + sender.statusCode);
}
});
} else {
SP.UI.Notify.addNotification('More than 1 item', false);
}
}

After the achievement Message from the last operation, you can refresh the Permission Level Page and accept if the new Roledefinition was made with sucess.

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