Tag public images using Clarifai's Node.js client

clarifai_public_image_tagging.js

// Sample code for clarifai-nodejs. From https://github.com/Clarifai/clarifai-nodejs/blob/master/clarifai_sample.js

var Clarifai = require('./clarifai_node.js');
Clarifai.initAPI(process.env.CLARIFAI_APP_ID, process.env.CLARIFAI_APP_SECRET);

// Setting a throttle handler lets you know when the service is unavailable because of throttling. It will let
// you know when the service is available again. Note that setting the throttle handler causes a timeout handler to
// be set that will prevent your process from existing normally until the timeout expires. If you want to exit fast
// on being throttled, don't set a handler and look for error results instead.

Clarifai.setThrottleHandler( function( bThrottled, waitSeconds ) { 
	console.log( bThrottled ? ["throttled. service available again in",waitSeconds,"seconds"].join(' ') : "not throttled");
});

function commonResultHandler( err, res ) {
	if( err != null ) {
		if( typeof err["status_code"] === "string" && err["status_code"] === "TIMEOUT") {
			console.log("TAG request timed out");
		}
		else if( typeof err["status_code"] === "string" && err["status_code"] === "ALL_ERROR") {
			console.log("TAG request received ALL_ERROR. Contact Clarifai support if it continues.");				
		}
		else if( typeof err["status_code"] === "string" && err["status_code"] === "TOKEN_FAILURE") {
			console.log("TAG request received TOKEN_FAILURE. Contact Clarifai support if it continues.");				
		}
		else if( typeof err["status_code"] === "string" && err["status_code"] === "ERROR_THROTTLED") {
			console.log("Clarifai host is throttling this application.");				
		}
		else {
			console.log("TAG request encountered an unexpected error: ");
			console.log(err);				
		}
	}
	else {
		if( opts["print-results"] ) {
			// if some images were successfully tagged and some encountered errors,
			// the status_code PARTIAL_ERROR is returned. In this case, we inspect the
			// status_code entry in each element of res["results"] to evaluate the individual
			// successes and errors. if res["status_code"] === "OK" then all images were 
			// successfully tagged.
			if( typeof res["status_code"] === "string" && 
				( res["status_code"] === "OK" || res["status_code"] === "PARTIAL_ERROR" )) {

				// the request completed successfully
				for( i = 0; i < res.results.length; i++ ) {
					if( res["results"][i]["status_code"] === "OK" ) {
						console.log( 'docid='+res.results[i].docid +
							' local_id='+res.results[i].local_id +
							' tags='+res["results"][i].result["tag"]["classes"] )
					}
					else {
						console.log( 'docid='+res.results[i].docid +
							' local_id='+res.results[i].local_id + 
							' status_code='+res.results[i].status_code +
							' error = '+res.results[i]["result"]["error"] )
					}
				}

			}
		}			
	}
}

function exampleTagMultipleURL() {
	var testImageURLs = [ 
	"http://i.imgur.com/jJWlcnR.jpg", 
	"http://i.imgur.com/BflW5HQ.jpg" ];
	var ourIds =  [ "burning basmatty", 
	                "concert" ]; // this is any string that identifies the image to your system

	Clarifai.tagURL( testImageURLs , ourIds, commonResultHandler ); 
}


exampleTagMultipleURL();

Clarifai.clearThrottleHandler();