//This content is released under the MIT License, http://opensource.org/licenses/MIT. See licence.txt for more details.
var Utils = require("./Utils");
var Constants = require("./Constants");
var nets = require("nets");
/**
* @constructor
* @param {string} baseURL - URL for the Open PHACTS API
* @param {string} appID - Application ID for the application being used. Created by {@link https://dev.openphacts.org}
* @param {string} appKey - Application Key for the application ID.
* @license [MIT]{@link http://opensource.org/licenses/MIT}
* @author [Ian Dunlop]{@link https://github.com/ianwdunlop}
* @author [Egon Willighagen]{@link http://orcid.org/0000-0001-7542-0286}
*/
DataSources = function DataSources(baseURL, appID, appKey) {
this.baseURL = baseURL;
this.appID = appID;
this.appKey = appKey;
}
/**
* Fetch a list of data sources used in the Open PHACTS linked data cache.
*
* @param {requestCallback} callback - Function that will be called with success, status, and JSON response values.
* @method
* @example
* var datasources = new DataSources("https://beta.openphacts.org/2.1", appID, appKey);
* var callback = function(success, status, response) {
* var subsets = response.primaryTopic.subset;
* for (i=0; subsets.length; i++) {
* console.log("Subset: " + subsets[i].title);
* }
* };
* datasources.getSources(callback);
*/
DataSources.prototype.getSources = function(callback) {
params={};
params['_format'] = "json";
params['app_key'] = this.appKey;
params['app_id'] = this.appID;
Utils.nets({
url: this.baseURL + '/sources?' + Utils.encodeParams(params),
method: "GET",
// 30 second timeout just in case
timeout: 30000,
headers: {
"Accept": "application/json"
}
}, function(err, resp, body) {
if (resp.statusCode === 200) {
callback.call(this, true, resp.statusCode, JSON.parse(body.toString()).result);
} else {
callback.call(this, false, resp.statusCode);
}
});
}
exports.DataSources = DataSources;