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[Improved Post] Update SharePoint Metadata (Taxonomy) column with Angular JS

After earlier post on the same topic which is updating taxonomy (managed metadata) column with Angular and with JSOM. Thought of optimize the code with more readable and with JavaScript promises. There may be areas further to be improved, for now sample code as below;

[code language="javascript"]
(function () {
'use strict';

// define controller
var controllerId = "MMSDevCtrl";

angular
.module('app')
.controller(controllerId, ['$q', mmsDevController]);

// create controller
function mmsDevController($q) {

//global var
var vm = this;

//value definitions
var siteUrl = 'http://win2012/sites/MSSDevTest';
var listName = 'MyDocumentLibrary';
var fieldName = 'MMSDepartments'; //MMS Column one
var fieldName2 = 'MMSDevLanguages'; //MMS Column two
var itemIdUpdating = 1; // Item to be udated
var termLabel = 'IT'; //'';
var termLabel2 = 'Java'; //'';
//add metadata column to sharepoint
vm.submitMetadata = function () {
// function for update managed metadata column
SetManagedMetaDataField();
}

// Setting managed metadata to SharePoint List or Library
function SetManagedMetaDataField() {
var context = new SP.ClientContext(siteUrl);
//Get item form ID
var list = context.get_web().get_lists().getByTitle(listName); //listName
var item = list.getItemById(itemIdUpdating); //itemID
//MMS columns
var field = list.get_fields().getByInternalNameOrTitle(fieldName); //Tx field one
var txField = context.castTo(field, SP.Taxonomy.TaxonomyField);
var field2 = list.get_fields().getByInternalNameOrTitle(fieldName2); //Tx fieldName two
var txField2 = context.castTo(field2, SP.Taxonomy.TaxonomyField);

//loading context
context.load(field);
context.load(txField);
context.load(field2);
context.load(txField2);
context.load(item);

//excute async of context
context.executeQueryAsync(
//Success
Function.createDelegate(this
, function () {
//Getting term set IDs of the fields
var termSetId = txField.get_termSetId().toString();
var termSetId2 = txField2.get_termSetId().toString();

//Getting ID for term
getTermIdForTerm(context, termLabel, termSetId)
.then(function (termID) {
console.log("Returned term Id", termID);
//check for not multi valued taxonomy column
if (!txField.get_allowMultipleValues()) {
var termValue = new SP.Taxonomy.TaxonomyFieldValue();
termValue.set_label(termLabel);
termValue.set_termGuid(termID);
termValue.set_wssId(-1);
txField.setFieldValueByValue(item, termValue);
}
});

getTermIdForTerm(context, termLabel2, termSetId2)
.then(function (termID) {
console.log("Returned term Id 2", termID);
//check for not multi valued taxonomy column
if (!txField2.get_allowMultipleValues()) {
var termValue2 = new SP.Taxonomy.TaxonomyFieldValue();
termValue2.set_label(termLabel2);
termValue2.set_termGuid(termID);
termValue2.set_wssId(-1);
txField2.setFieldValueByValue(item, termValue2);
}
});

// Define other columns to be updated
item.set_item('Title', 'New Item 9102016 C');
// Update item
item.update();
//Execute query for update
context.executeQueryAsync(
function () {
console.log('field updated with MMS column #TechCentro');
}, function (sender, args) {
console.error(args.get_message() + '\n' + args.get_stackTrace());
});
}
, function (sender, args) {
console.log(args.get_message() + '\n' + args.get_stackTrace());
})
//Failed
, Function.createDelegate(this, function (err) {
console.error(err.get_message());
})
)
}
// Getting ID of the Term
function getTermIdForTerm(clientContext, termValue, termSetId) {
var deferred = $q.defer();
var termId = "";
var tSession = SP.Taxonomy.TaxonomySession.getTaxonomySession(clientContext);
var ts = tSession.getDefaultSiteCollectionTermStore();
var tset = ts.getTermSet(termSetId);
var lmi = new SP.Taxonomy.LabelMatchInformation(clientContext);
lmi.set_lcid(1033);
lmi.set_trimUnavailable(true);
lmi.set_termLabel(termValue);
var termMatches = tset.getTerms(lmi);
//context loading with taxanomy values
clientContext.load(tSession);
clientContext.load(ts);
clientContext.load(tset);
clientContext.load(termMatches);
clientContext.executeQueryAsync(
function () {
if (termMatches && termMatches.get_count() > 0) {
termId = termMatches.get_item(0).get_id().toString();
deferred.resolve(termId);
console.log("Resolved Term Id for Term " + termValue, termId);
}
else
deferred.resolve(null);
}, function (sender, args) {
console.log("Error on retrieving term GUID", args);
deferred.reject(null);
});
return deferred.promise;
}

};

})();
[/code]

Markup as below;

[code language="html"]

<script src="../../_layouts/15/SP.Runtime.js"></script>
<script src="../../_layouts/15/SP.js"></script>
<script src="../../_layouts/15/SP.Taxonomy.js"></script>
<script src="../Scripts/angular.js"></script>
<script src="../Scripts/App.js"></script>
<script src="../Scripts/mmsDev.controller.js"></script>
<div ng-app="app" ng-controller="MMSDevCtrl as vm">
{{}}
<input id="Text1" type="text" ng-model="vm.value"/>
<input id="Submit1" type="button" value="submit" ng-click="vm.submitMetadata()"/></div>
[/code]

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Comments

  1. In some instances this is not working in some environments. Following will fix the issues;

    var context = new SP.ClientContext(siteUrl);
    var list = context.get_web().get_lists().getByTitle(listName);
    var camlQuery = new SP.CamlQuery();
    camlQuery.set_viewXml("" +
    "" +
    "" +
    "" +
    "" + fieldId + "" +
    "" +
    "" +
    "");
    var items = list.getItems(camlQuery);
    context.load(items);

    ReplyDelete

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