I'm struggling to correctly return the promise for a service in Angular.
Here is the function causing me trouble:
postToSP.post($scope.sharePointURL, data).then(function() {
$scope.gettingData = false;
$scope.yammerListName = "Successfully posted to SP";
}).catch(function(e){
//console.log("Error: ", e);
$scope.yammerListName = "Sorry we couldn't post to that page, please make sure your column names are EXACTLY the same!"
$scope.gettingData = false;
throw e;
});
I am receiving an error message in my service: "Unable to get property 'then' of undefined or null reference". I understand that this is due to not properly returning the promise, but I am struggling to figure out how to do it correctly. Any help would be greatly appreciated. Thank you.
app.service("postToSP", function($http) {
//Submit to SharePoint function
this.post = function(originalurl,data){
console.log(data);
var url = originalurl.split("Lists/")[0];
var listname = originalurl.split("Lists/")[1].split("/")[0];
var i = 0;
return letsPost(i);
function letsPost (i) {
if (data[i].checked == false) {
i++;
return letsPost(i);
} else {
var formattedText = document.getElementById("text"+i).innerHTML.toString() ;
var formattedCreated = document.getElementById("created"+i).innerHTML.toString();
var formattedLikes = document.getElementById("likes"+i).innerHTML.toString();
var formattedLinks = document.getElementById("links"+i).innerHTML.toString();
var uploadData = {
'__metadata': { 'type': 'SP.Data.' + listname + 'ListItem' },
'Title': i + "",
'Likes': formattedLikes,
'Post_x0020_Date': formattedCreated,
'Post_x0020_Links' : formattedLinks,
'Post_x0020_Text': formattedText
};
console.log(uploadData);
createListItem(url, listname, uploadData)
.done(function (columnData) {
console.log('Added row' + i);
if (i < data.length) {
i++;
return letsPost(i);
} else {
return;
}
})
.fail(function (error) {
console.log(JSON.stringify(error));
alert("Error:" + JSON.stringify(error));
throw error;
});
function getFormDigest(webUrl) {
return $.ajax({
url: webUrl + "/_api/contextinfo",
method: "POST",
headers: { "Accept": "application/json; odata=verbose" }
});
};
function createListItem(webUrl, listName, itemProperties) {
$.ajax({
url: url + "/_api/web/lists/getbytitle('" + listName + "')/items",
method: "GET",
headers: { "Accept": "application/json; odata=verbose" },
success: function (data) {
console.log(data.d.results);
},
error: function (data) {
console.log(data);
}
});
return getFormDigest(webUrl).then(function (data) {
return $.ajax({
url: webUrl + "/_api/web/lists/getbytitle('" + listName + "')/items",
type: "POST",
processData: false,
contentType: "application/json;odata=verbose",
data: JSON.stringify(itemProperties),
headers: {
"Accept": "application/json;odata=verbose",
"X-RequestDigest": data.d.GetContextWebInformation.FormDigestValue
}
});
});
};
};
};
};
});