define(
["dojo/_base/declare", "dojo/_base/lang", "esri/request"],
function (declare, lang, esriRequest) {
declare(null,
{
distance: null,
lastSearchResult: null,
perPage: null,
queryParams: null,
seatGeekUrl: null,
constructor: function (options) {
// specify class defaults
this.distance = options.distance || "20mi"; // default seat geek range is 30mi
this.perPage = options.perPageage || 50; // default to 50 results per page
this.seatGeekUrl = "http://api.seatgeek.com/2/events";
// returnEvents is called by an external function, esri.request
// hitch() is used to provide the proper context so that returnEvents
// will have access to the instance of this class
this.returnEvents = lang.hitch(this, this.returnEvents);
},
searchByLoc: function (geopoint) {
var eventsResponse;
this.queryParams = {
"lat": geopoint.y,
"lon": geopoint.x,
"page": 1,
"per_page": this.perPage,
"range": this.distance
}
// seat geek endpoints:
// petco park search using lat, lon:
// http://api.seatgeek.com/2/events?lat=32.7078&lon=-117.157&range=20mi&callback=c
// lat, lon for petco park: 32.7078, -117.157
eventsResponse = esriRequest({
"url": this.seatGeekUrl,
"callbackParamName": "callback",
"content": this.queryParams
});
return eventsResponse.then(this.returnEvents, this.err);
},
getMore: function() {
var eventsResponse;
// increment the page number
this.queryParams.page++;
eventsResponse = esri.request({
"url": this.seatGeekUrl,
"callbackParamName": "callback",
"content": this.queryParams
});
return eventsResponse.then(this.returnEvents, this.err);
},
returnEvents: function(response) {
// check number of results
if ( response.meta.total == 0) {
// console.log("Seat Geek returned zero events: ", response);
return null;
}
// save search result
this.lastSearchResult = response;
// console.log("set last search result: ", response, this);
return response;
},
err: function(err) {
console.log("Failed to get results from Seat Geek due to an error: ", err);
}
});
});
