index.js

//Parameter K
var k = 30;

//need async and flickr lib
// npm install async
// npm install flickrapi

/* Internal Arguments for the algorithm A
var c = {};
var n = 0;
var T = [];
*/

function getTuple(i, finish) {
  // body of the algorithms
  
  //Call finish(null) when the procedure is finished
  finish(null);
}

var async = require('async')
try {
    var opt = require(__dirname + "/value.json");
} catch (err) {
    if (err.code === 'MODULE_NOT_FOUND') {
        try {
            opt = require(__dirname + "/../../value.json");
        } catch (err2) {
            if (err2.code === 'MODULE_NOT_FOUND') {
                console.log("Set your Flickr API key to ./values.json (See also value-original.json)");
                process.exit();
            }
        }
    }
}
var done = {};
var flickr_options = opt['flickr_options'];
var Flickr = require("flickrapi");
Flickr.tokenOnly(flickr_options, function(errFlickr, flickr) {
    if (errFlickr) {
        console.log("error");
    } else {
        async.forever(function(next) {
            console.log(".");
            flickr.photos.getRecent({ 'extras': 'tags' }, function(err, data) {
                async.each(data.photos.photo, function(item, fin) {
                    if (typeof done[item.id] == 'undefined') {
                        done[item.id] = true;
                        if (item.tags != "" && item.tags.match(/^[a-zA-Z0-1\s]*$/)) {
                            async.each(item.tags.split(" "), function(tag, finTag) {
                                getTuple(tag, finTag);
                            }, function(err) {
                                fin(null);
                            });
                        } else {
                            fin(null);
                        }
                    } else {
                        fin(null);
                    }

                }, function() {
                    next(null);
                });
            });
        });
    }
});