A simple demo app showing how to get Sift Ninja working with PubNub Blocks
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pubnub-ninja-demo

A simple demo app showing how to get Sift Ninja working with PubNub Blocks

PubNub

This tutorial assumes you are familiar with PubNub and PubNub Blocks, and have already created an app and block before. If not, PubNub has some great documentation to get you started.

Import the Block and Configure Sift Ninja

  • Create or sign in to your Sift Ninja account
  • Select Add Channels, then PubNub Block
  • Follow the on-screen instructions to import our PubNub Block template and connect it to Sift Ninja

Building the Chat App

PubNub has a tutorial on building a chat app in 10 lines of code which we'll be building on top of:

PubNub: 10Chat

Now that we have our chat app running, we'll need to show when Sift Ninja has found content to filter.

First, we'll need to change the format of the data going to the channel.

Replace the keyup event listener with the following:

input.addEventListener('keyup', function(e) {
    if ((e.keyCode || e.charCode) === 13) {
        pubnub.publish({ channel : channel, message : { text: input.value }, x : (input.value='')});
    }
});

This will send the chat message as an object with a text attribute, which is the format expected by Sift Ninja.

Replace the message callback handler with the following:

message: function(obj) {
    if (obj.message.sift_ninja && obj.message.sift_ninja.response === false) {
        box.innerHTML = '&uarr; <em>Sift ninja found something bad!</em>' + '<br>' + box.innerHTML;
    }
    box.innerHTML = (''+obj.message.text).replace( /[<>]/g, '' ) + '<br>' + box.innerHTML;
}});

This will check for the presence of a sift_ninja object containing a true/false value indicating whether or not something objectionable was found.

Save and run your demo app, enter a swear word into the chat box, and you should see a message that Sift Ninja found objectionable content.

You can configure your Sift Ninja channel to classify content that is vulgar, racist, bullying, fighting, or contains sexting, or PII (personally identifiable information). What your app does with content identified as objectionable is up to you!