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api_call.js
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api_call.js
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var continentCode = getContinent(7); // This will be passed in by the html 2, 5, or 7
var city;
var numTries = 0;
var fail = false;
while ((city = getRandomCity(continentCode)) < 1 && numTries < 6) {
numTries++;
if (numTries > 4) {
fail = true;
}
}
var cityInfo;
var hotelInfo;
var attractionInfo;
if (fail) {
var backupCities = [479223, 1190272, 6677187, 297747, 3556359];
randomNumber = Math.round(5*Math.random());
city = backupCities[randomNumber];
cityInfo = getCityInfo(city);
hotelInfo = getHotelInfo(city);
attractionInfo = getAttractionInfo(city);
photoInfo = getPhotoInfo(city);
} else {
cityInfo = getCityInfo(city);
hotelInfo = getHotelInfo(city);
attractionInfo = getAttractionInfo(city);
photoInfo = getPhotoInfo(city);
}
function getRandomCity(currentCode) {
var levelLower = 0;
var apiString = getAPIString(currentCode, "/geos"); // Continent level
$.ajax({
url: apiString,
dataType: 'json',
async: false,
success: function(data) {
var numResults = data.paging.results;
var randomNumber = Math.round(numResults*Math.random());
var counter = 0;
$.each( data.data, function( key, val ) {
if (counter == randomNumber) {
if (val.address_obj.city == null) {
levelLower = getRandomCity(val.location_id);
} else {
levelLower = val.location_id;
}
}
counter++;
});
},
failure: function(data) {
levelLower = -1;
}
});
return levelLower;
}
function getCityInfo(cityID) {
var apiString = getAPIString(cityID, "");
$.ajax({
url: apiString,
dataType: 'json',
async: false,
success: function(data) {
var locationArray = [];
document.getElementById("location_string").innerHTML = data.location_string;
document.getElementById("hotel_li").innerHTML += "<a href=\""+data.see_all_hotels+"\" target =\"_blank\">See All Hotels</a>";
document.getElementById("attraction_li").innerHTML += "<a href=\""+data.see_all_attractions+"\" target =\"_blank\">See All Attractions</a>";
// locationArray["location_string"] = data.location_string;
// document.getElementById("location_string").innerHTML = data.location_string;
// locationArray["latitude"] = data.latitude;
// locationArray["longitude"] = data.longitude;
// locationArray["web_url"] = data.web_url;
// locationArray["hotels"] = data.see_all_hotels;
// locationArray["restaurants"] = data.see_all_hotels;
// locationArray["attractions"] = data.see_all_attractions;
// var activityArray = [];
// $.each(data.category_counts, function(key, val){
// var tempArray = [];
// $.each(val, function(ke, va) {
// tempArray[ke] = va;
// });
// activityArray[key] = tempArray;
// });
// locationArray["activities"] = activityArray;
document.getElementById("distance").innerHTML = Math.round(distance(-90.19, 38.62, data.latitude, data.longitude, "K")) + " km";
var activityArray = [];
$.each(data.category_counts, function(key, val){
var tempArray = [];
$.each(val, function(ke, va) {
tempArray[ke] = va;
});
activityArray[key] = tempArray;
});
locationArray["activities"] = activityArray;
return locationArray;
},
failure: function(data) {
alert("fail");
return null;
}
});
}
function getHotelInfo(cityID) {
var apiString = getAPIString(cityID, "/hotels");
$.ajax({
url: apiString,
dataType: 'json',
async: false,
success: function(data) {
var hotelArray = [];
document.getElementById("hotel_ul1").innerHTML += data.data[0].name;
document.getElementById("hotel_ul2").innerHTML += data.data[0].rating + " Stars";
document.getElementById("hotel_ul3").innerHTML += data.data[0].num_reviews + " Reviews";
document.getElementById("hotel_ul4").innerHTML += data.data[0].price_level +"\t";
document.getElementById("hotel_ul5").innerHTML += "<a href=\""+data.data[0].web_url+"\"target =\"_blank\" >See Hotel</a>";
// $.each(data.data, function(key, val) {
// var tempHotel = [];
// tempHotel["rating"] = val.rating;
// tempHotel["name"] = val.name;
// tempHotel["num_reviews"] = val.num_reviews;
// tempHotel["web_url"] = val.web_url;
// tempHotel["price_level"] = val.price_level;
// hotelArray.push(tempHotel);
// });
return hotelArray;
},
failure: function(data) {
alert("fail");
return null;
}
});
}
function getAttractionInfo(cityID) {
var apiString = getAPIString(cityID, "/attractions");
$.ajax({
url: apiString,
dataType: 'json',
async: false,
success: function(data) {
var attractionsArray = [];
document.getElementById("attraction_ul1").innerHTML = data.data[0].name;
document.getElementById("attraction_ul2").innerHTML = data.data[0].rating + " Stars";
document.getElementById("attraction_ul3").innerHTML = data.data[0].num_reviews + " Reviews";
document.getElementById("attraction_ul4").innerHTML = "<a href=\""+data.data[0].web_url+"\" target = \"_blank\">See Site</a>";
// $.each(data.data, function(key, val) {
// var tempAttractions = [];
// tempAttractions["rating"] = val.rating;
// tempAttractions["name"] = val.name;
// tempAttractions["num_reviews"] = val.num_reviews;
// tempAttractions["web_url"] = val.web_url;
// attractionsArray.push(tempAttractions);
// });
return attractionsArray;
},
failure: function(data) {
alert("fail");
return null;
}
});
}
function getAPIString(locationID, type) {
return "http://api.tripadvisor.com/api/partner/2.0/location/" + locationID + type + "?key=8B89F4BDB7F64B79A1533D6EA207C3D5";
}
function getContinent(priceRange) {
var randomNum = Math.round(priceRange*Math.random());
var numDollas = "";
if (randomNum <= 2) {
numDollas = "$";
} else if (randomNum <= 5) {
numDollas = "$$";
} else {
numDollas = "$$$";
}
document.getElementById("price").innerHTML = numDollas;
var continents = [19, 291958, 13, 8, 6, 21, 2, 4];
return continents[randomNum];
}
function distance(lat1, lon1, lat2, lon2, unit) {
var radlat1 = Math.PI * lat1/180
var radlat2 = Math.PI * lat2/180
var radlon1 = Math.PI * lon1/180
var radlon2 = Math.PI * lon2/180
var theta = lon1-lon2
var radtheta = Math.PI * theta/180
var dist = Math.sin(radlat1) * Math.sin(radlat2) + Math.cos(radlat1) * Math.cos(radlat2) * Math.cos(radtheta);
dist = Math.acos(dist)
dist = dist * 180/Math.PI
dist = dist * 60 * 1.1515
if (unit=="K") { dist = dist * 1.609344 }
if (unit=="N") { dist = dist * 0.8684 }
return dist
}
function getPhotoInfo(city){
var randomNum = Math.round(8*Math.random());
$('#body').css("background-image", "url(background-"+randomNum+".jpg)");
}
$( ".learn_more" ).click(function() {
$('.more_info').toggle(200);
});