Post links to social newsfeed via REST in SharePoint 2013

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Recently, I had to write a SharePoint App that allows users to "social share" documents, videos, pictures from the item's content menu (ECB) to their social newsfeed.

Here is a snippet of JavaScript code to post the link of the item to the user's social newfeed via REST.

 
 $.ajax({
 
 url: myurl,
 
 type: 
 
 
 "POST",
 
 data: JSON.stringify({
 
 
 
 
 'restCreationData':{
 
 
 
 
 '__metadata':{
 
 
 
 
 'type':'SP.Social.SocialRestPostCreationData'
 
 },
 
 
 
 
 'ID': null,
 
 
 
 
 'creationData': {
 
 
 
 
 '__metadata': {
 
 
 
 
 'type': 'SP.Social.SocialPostCreationData'
 
 },
 
 
 
 
 'ContentItems': {
 
 
 
 
 'results': [
 
 {
 
 
 
 
 '__metadata': {
 
 
 
 
 'type': 'SP.Social.SocialDataItem'
 
 },
 
 
 
 
 'Text': statusLink,
 
 
 
 
 'Uri':statusLink,
 
 
 
 
 'ItemType':1//0 - document; 1 - link; 3 - tag
 
 }
 
 ]
 
 },
 
 
 
 
 'ContentText': 'Check out this: {0}',
 
 
 
 
 'UpdateStatusText': false
 
 }
 
 }
 
 }),
 
 headers: {
 
 
 
 
 "accept":"application/json;odata=verbose",
 
 
 
 
 "content-type":"application/json;odata=verbose",
 
 
 
 
 "X-RequestDigest":$("#__REQUESTDIGEST").val()
 
 },
 
 success: 
 
 
 function () {
 
 
 
 
 //alert("posted!");
 
 window.parent.postMessage(
 
 
 "CloseCustomActionDialogRefresh", "*");
 
 },
 
 error: 
 
 
 function(xhr, ajaxOptions, thrownError){
 
 alert(
 
 
 "post error: " + xhr.status + ";" + thrownError);
 
 window.parent.postMessage(
 
 
 "CloseCustomActionDialogRefresh", "*");
 
 }
 
 });