set-descriptions.js

var secret = require('./secret');
var flickrOptions = secret.flickrOptions;
var Flickr = require("flickrapi");
var fs = require('fs');

/**
 * Matches the image filenames in images.txt with the Flickr titles
 * for images that don't yet have "Blogged" in their description.
 */
 
exports.trimTitle = function(str) {
    return str.replace(/^wpid-/g, '').replace(/ --.*$/g, '').replace(/[- _,]/g, '');
};

function readData(filename) {
    var imageData = {};
    var data = fs.readFileSync(filename, {encoding: 'utf8'});
    var lines = data.split(/\n/);
    for (var i = 0; i < lines.length; i++) {
        if (lines[i]) {
            var row = lines[i].split(/\t/);
            var title = exports.trimTitle(row[0]);
            imageData[title] = row[1];
        }
    }
    return imageData;
}

var imageData = readData('images.txt');

function processPage(result, flickr) {
    if (!result) return;
    for (var i = 0; i < result.photos.photo.length; i++) {
        var p = result.photos.photo[i];
        console.log(p.title);
        var trimmed = exports.trimTitle(p.title);
        var noTags = trimmed.replace(/#.*/g, '');
        var withTags = trimmed.replace(/#/g, '');
        var found = imageData[noTags] || imageData[withTags];
        if (found) {
            var description = p.description._content;
            if (description.match(found)) continue;
            if (description) {
                description += " - ";
            }
            description += '<a href="' + found + '">Blogged</a>';
            console.log("Updating " + p.title + " with " + description);
            flickr.photos.setMeta(
                {photo_id: p.id,
                 description: description},
                function(err, res) {
                    console.log(err, res);
                } );
        }
    }
}

var search = process.argv.length >= 2 ? process.argv[2] : '';

Flickr.authenticate(flickrOptions, function(error, flickr) {
    flickr.photos.search(
        {user_id: flickrOptions.user_id,
         per_page: 500,
         extras: 'description',
         text: search + ' -blogged'}, function(err, result) {
             processPage(result, flickr);
             for (var i = 2 ; i < result.photos.pages; i++) {
                 flickr.photos.search(
                     {user_id: flickrOptions.user_id, per_page: 500, page: i,
                      extras: 'description', text: search + ' -blogged'},
                    function(err, result) {
                        processPage(err, result, flickr);
                    });
             }
         });
});