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/* DreemGL is a collaboration between Teeming Society & Samsung Electronics, sponsored by Samsung and others. Copyright 2015-2016 Teeming Society. Licensed under the Apache License, Version 2.0 (the "License"); You may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.*/ /** * @class FlickrLib * Interface class between npm flickrapi and dreemgl * Requires the flickr npm modules: * 'npm install flickrapi'. */ define.class(function(exports){ var FlickrLib = exports // No credentials are stored in source. You must define them as an // environment variable var Flickr = require('flickrapi') /** * @method constructor * Create a FlickrLib object with default parameters. The credentials * are read from environment variables, * FLICKR_KEY * FLICKR_SECRET * FLICKR_USER_ID * FLICKR_ACCESS_TOKEN * FLICKR_ACCESS_TOKEN_SECRET * * Install the flickr object via 'npm install flickrapi'. * If you don't have the access tokens, you will be prompted to log into your * flickr account and give permission. * * You can access the flickr npm object using this.flickr. It won't exist * until authentication is finished. */ // Execute a flickr method(func), after authentication is complete. // This can be immediate, or delayed if the flickr object does not exist yet. this.execute = function(func) { if (this.flickr) { // Already authenticated. func() return } // Authenticate var options = { api_key: process.env.FLICKR_KEY ,secret: process.env.FLICKR_SECRET ,user_id: process.env.FLICKR_USER_ID ,access_token: process.env.FLICKR_ACCESS_TOKEN ,access_token_secret: process.env.FLICKR_ACCESS_TOKEN_SECRET ,silent: true ,progress: false } var self = this Flickr.authenticate(options, function(error, flickr) { if (error) { this.autherror = error console.log('flickr Auth error', error) return } self.flickr = flickr console.log("AUTH COMPLETE") func() }) } // Search interface to retrieve images. // // cb Callback method which is passed the returned photos, as an array. // options is a hash of search options. Default values to do a SF search. this.search = function(cb, options) { if (!this.flickr) { if (this.autherror) return var self = this var func = (function() { self.search(cb, options) }.bind(this)) this.execute(func) return } var PAGE = 1 // Default options // https://www.flickr.com/services/api/flickr.photos.search.html if (!options) { options = { api_key : process.env.FLICKR_KEY, sort: 'date-taken-desc', lat: 37.826664, // Alcatraz, lon: -122.423012, radius: 2, // 2 km, per_page: 250, // Max per page, page: PAGE, extras: 'geo, url_m, date_taken', min_taken_date: '2016-01-01' } } this.flickr.photos.search(options, function(err, result) { // Filter data to include only what we need. var photos = result.photos.photo var _photos = [] for (var i = 0; i < photos.length; i++) { var photo = photos[i] var url = photo.url_m _photos.push({ url: photo.url_m, title: photo.title, width: parseFloat(photo.width_m), height: parseFloat(photo.height_m), latitude: parseFloat(photo.latitude), longitude: parseFloat(photo.longitude), date: new Date(photo.datetaken).getTime() }) } cb(_photos) }) return } }) |