node/node_modules/derby-examples/gallery/lib/server/flickr.js

// Generated by CoffeeScript 1.3.1
var FLICKR_API, Flickr, request;

request = require('request');

FLICKR_API = 'http://api.flickr.com/services/rest/';

exports.setup = function(store, options) {
  var flickr;
  flickr = new Flickr(options);
  store.route('get', 'flickr.user.id_*.photos.pages.*', function(username, page, done) {
    return flickr.userPublicPhotos(username, page, done);
  });
  return store.route('get', 'flickr.photoset.id_*.photos.pages.*', function(id, page, done) {
    return flickr.setPhotos(id, page, done);
  });
};

Flickr = function(options) {
  this.key = options.key;
  this.userIds = {};
};

Flickr.prototype = {
  get: function(qs, callback) {
    qs.format = 'json';
    qs.api_key = this.key;
    qs.per_page = 20;
    qs.extras = 'o_dims';
    return request({
      url: FLICKR_API,
      qs: qs
    }, function(err, res, body) {
      var data, match;
      if (err) {
        return callback(err);
      }
      if (!((match = /jsonFlickrApi\((.*)\)/.exec(body)) && (body = match[1]))) {
        return callback(new Erorr('Unknown Flickr response'));
      }
      data = JSON.parse(body);
      if (data.stat !== 'ok') {
        return callback(new Error(data.message));
      }
      return callback(null, data);
    });
  },
  userId: function(username, callback) {
    var id, qs,
      _this = this;
    if (id = this.userIds[username]) {
      return callback(null, id);
    }
    qs = {
      method: 'flickr.people.findByUsername',
      username: username
    };
    return this.get(qs, function(err, body) {
      if (err) {
        return callback(err);
      }
      id = _this.userIds[username] = body.user.id;
      return callback(null, id);
    });
  },
  userPublicPhotos: function(username, page, callback) {
    var _this = this;
    return this.userId(username, function(err, user_id) {
      var qs;
      if (err) {
        return callback(err);
      }
      qs = {
        method: 'flickr.people.getPublicPhotos',
        user_id: user_id,
        page: +page + 1
      };
      return _this.get(qs, function(err, body) {
        if (err) {
          return callback(err);
        }
        return callback(null, body.photos.photo, -1);
      });
    });
  },
  setPhotos: function(photoset_id, page, callback) {
    var qs;
    qs = {
      method: 'flickr.photosets.getPhotos',
      photoset_id: photoset_id,
      page: +page + 1
    };
    return this.get(qs, function(err, body) {
      if (err) {
        return callback(err);
      }
      return callback(null, body.photoset.photo, -1);
    });
  }
};