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yt.js
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yt.js
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if(typeof exports === 'object' ) {
var XMLHttpRequest = require("xmlhttprequest").XMLHttpRequest;
}
(function (root, factory) {
if ( typeof define === 'function' && define.amd ) {
define([], factory(root));
} else if ( typeof exports === 'object' ) {
module.exports = factory(root);
} else {
root.$youtube = factory(root);
}
})(typeof global !== "undefined" ? global : this.window || this.global, function (root) {
var $youtube = function (apikey, debug) {
if(root === this) {
return new $youtube(apikey, debug);
}
this.yt = {
apikey : apikey,
apiUrl : 'https://www.googleapis.com/youtube/v3/',
version :"1.0"
};
this.videoData = {
title : "",
description : "",
rating : "",
views : "",
publishedAt : "",
dthumbnail : "",
mthumbnail : "",
hthumbnail : "",
sthumbnail : "",
categoryId : "",
channelTitle : "",
videoId : "",
duration : "",
mins : "",
hr : "",
secs : "",
dimension : "",
definition : "",
caption : "",
licensedContent : "",
viewCount : "",
likeCount : "",
dislikeCount : "",
favoriteCount : "",
commentCount : "",
kind : ""
};
this.searchOptions = {};
this.commentOptions = {};
this.debug = debug || false;
this.logs = [];
return this;
};
$youtube.fn = $youtube.prototype = {
getdata: function (passedOptions, callback) {
var self = this;
//var deepExtend = self.util.deepExtend;
var myData;
var defaults = {
videoId: "",
part: "snippet,statistics,contentDetails"
};
self.util.debug(self,'Method: getdata');
self.util.debug(self,passedOptions);
if(!self.yt.apikey) {
callback(self.util.AllErrors(0));
return false;
}
var options = self.util.deepExtend({}, defaults, passedOptions);
if(!options.videoId) {
callback(self.util.AllErrors(1));
return false;
}
var myUrl= self.yt.apiUrl+"videos?id="+options.videoId+"&part=snippet,statistics,contentDetails&key="+self.yt.apikey;
self.util.debug(self,myUrl);
self.util.ajaxGet({
url: myUrl,
dataType: 'json',
async: false,
data: myData,
success: function(data) {
self.util.debug(self,data);
if(typeof data === "string") {
data = JSON.parse(data);
}
var responseItems = self.util.deepExtend({},self.videoData);
var firstItem = data.items[0];
var snippet = firstItem ? firstItem.snippet : "";
var contentDetails = firstItem.contentDetails;
var statistics = firstItem.statistics;
if(snippet) {
responseItems = self.util.deepExtend({}, responseItems, snippet);
}
if(snippet.thumbnails) {
responseItems.dthumbnail = snippet.thumbnails.default ? snippet.thumbnails.default.url : "";
responseItems.mthumbnail = snippet.thumbnails.medium ? snippet.thumbnails.medium.url : "";
responseItems.hthumbnail = snippet.thumbnails.high ? snippet.thumbnails.high.url : "";
responseItems.sthumbnail = snippet.thumbnails.standard ? snippet.thumbnails.standard.url : "";
}
if(contentDetails) {
responseItems = self.util.deepExtend({}, responseItems, contentDetails);
var dividedTime = self.util.divideTime(responseItems.duration);
responseItems.secs = dividedTime[0];
responseItems.mins = dividedTime[1];
responseItems.hr = dividedTime[2];
}
if(statistics) {
responseItems = self.util.deepExtend({}, responseItems, statistics);
}
responseItems.kind = data.kind;
responseItems.raw = data;
callback(null, responseItems);
return false;
},
fail : function(data) {
callback(data, null);
return false;
},
});
return self;
},
search: function (options, callback) {
var self = this, myData, i;
var defaults = {
maxResults : 25,
type : "basic",
order : "Relevance",
extraparam : "",
navigate: "",
nextPageToken: "",
prevPageToken: ""
};
self.util.debug(self,'Method: search');
self.util.debug(self,options);
if(self.apikey === "") {
callback(self.util.AllErrors(0));
return false;
}
if(!options) {
callback(self.util.AllErrors(111));
return false;
}
if(!options.keyword && !options.extraparam) {
callback(self.util.AllErrors(2));
return false;
}
options = self.util.deepExtend({}, defaults, options);
if(options.maxResults > 50 || options.maxResults < 1) {
callback(self.util.AllErrors(12));
return false;
}
if(options.extraparam) {
options.extraparam = "&"+options.extraparam;
}
if(options.nextPageToken) {
self.searchOptions.nextPageToken = options.nextPageToken;
options.navigate = "next";
}
if(options.prevPageToken) {
self.searchOptions.prevPageToken = options.prevPageToken;
options.navigate = "prev";
}
if(options.navigate) {
if (options.navigate == "next") {
if(self.searchOptions.nextPageToken) {
options.navigate = "&pageToken=" + self.searchOptions.nextPageToken;
}
else {
callback(self.util.AllErrors(21));
return false;
}
}
else if (options.navigate == "prev") {
if(self.searchOptions.prevPageToken) {
options.navigate = "&pageToken=" + self.searchOptions.prevPageToken ;
}
else {
callback(self.util.AllErrors(21));
return false;
}
}
}
if(options.keyword) {
options.keyword = "&q="+options.keyword;
}
var myUrl = self.yt.apiUrl + "search?part=snippet"+options.navigate+"&maxResults="+options.maxResults+"&order="+options.order+"&key="+self.yt.apikey+options.extraparam;
self.util.debug(self,myUrl);
self.util.ajaxGet({
url: myUrl,
dataType: 'json',
async: false,
data: myData,
success: function(data) {
var totalResults;
self.util.debug(self,'Data success');
self.util.debug(self,data);
if(typeof data === "string") {
data = JSON.parse(data);
}
totalResults = data.pageInfo.totalResults;
if(totalResults == 0) {
callback(self.util.AllErrors(13));
return false;
}
var items = data.items;
var itemsLength = items.length;
var response = {};
var videos = [];
response.totalResults = totalResults;
for(i=0; i<itemsLength; i++) {
videos[i]={};
videos[i] = items[i].snippet;
videos[i].videoId = items[i].id.videoId;
if(options.type.toLowerCase() === "detailed") {
var videosReturned = 0;
self.getdata({videoId: videos[i].videoId}, function(err, videoData){
if(err) {
callback(err, response);
self.util.debug(self,err);
}
videos[i] = videoData;
videosReturned = videosReturned + 1;
if(itemsLength === videosReturned) {
if(data.nextPageToken) self.searchOptions.nextPageToken = data.nextPageToken;
if(data.prevPageToken) self.searchOptions.prevPageToken = data.prevPageToken;
response.prevPageToken = data.prevPageToken;
response.nextPageToken = data.nextPageToken;
response.videos = videos;
response.raw = data;
callback(null, response);
}
});
} else if(i === itemsLength -1) {
if(data.nextPageToken) self.searchOptions.nextPageToken = data.nextPageToken;
if(data.prevPageToken) self.searchOptions.prevPageToken = data.prevPageToken;
response.prevPageToken = data.prevPageToken;
response.nextPageToken = data.nextPageToken;
response.videos = videos;
response.raw = data;
callback(null, response);
}
}
}
});
},
getComments: function (options, callback) {
var self = this, myData, i, navigate="";
var defaults = {
maxResults : 25,
type : "basic",
extraparam : "",
navigate: "",
nextPageToken: "",
prevPageToken: "",
startindex: 1
};
self.util.debug(self,'Method: getComments');
self.util.debug(self,options);
if(self.apikey === "") {
callback(self.util.AllErrors(0));
return false;
}
if(!options) {
callback(self.util.AllErrors(111));
return false;
}
options = self.util.deepExtend({}, defaults, options);
if(!options.videoId) {
callback(self.util.AllErrors(2));
return false;
}
if(options.nextPageToken) {
self.searchOptions.nextPageToken = options.nextPageToken;
options.navigate = "next";
}
if(options.prevPageToken) {
self.searchOptions.prevPageToken = options.prevPageToken;
options.navigate = "prev";
}
if(options.navigate) {
if (options.navigate == "next") {
if(self.commentOptions.nextPageToken) {
navigate = "&pageToken=" + self.commentOptions.nextPageToken;
}
else {
callback(self.util.AllErrors(21));
return false;
}
}
else if (options.navigate == "prev") {
if(self.commentOptions.prevPageToken) {
navigate = "&pageToken=" + self.commentOptions.prevPageToken ;
}
else {
callback(self.util.AllErrors(21));
return false;
}
}
}
options = self.util.deepExtend({}, defaults, options);
var myUrl= self.yt.apiUrl+"commentThreads?part=snippet&videoId="+options.videoId+navigate+"&maxesults="+options.maxResults+"&key="+self.yt.apikey; //+"&maxResults="+maxResults;
self.util.debug(self,myUrl);
self.util.ajaxGet({
url: myUrl,
dataType: 'json',
async: false,
data: myData,
success: function(data) {
var entries;
var comments = {};
self.util.debug(self,'Data success');
self.util.debug(self,data);
if(typeof data === "string") {
data = JSON.parse(data);
}
comments.raw = data;
if(data.items) {
comments.resultsPerPage = data.pageInfo.resultsPerPage;
comments.totalResults = data.pageInfo.totalResults;
comments.nextPageToken = data.nextPageToken;
comments.prevPageToken = data.prevPageToken;
self.commentOptions.nextPageToken = data.nextPageToken;
self.commentOptions.prevPageToken = data.prevPageToken;
if(comments.totalResults == 0) {
return this.ErrorAll(13);
}
//comments.index = startindex;
comments.items = [];
for(i=0; i<comments.resultsPerPage; i++) {
comments.items[i] = data.items[i].snippet.topLevelComment.snippet;
}
callback(null, comments);
return true;
}
callback(self.util.AllErrors(404), comments);
return false;
}
});
},
getRelatedVideos: function (options, callback) {
var self = this;
var defaults = {
maxResults : 25,
type : "basic",
extraparam : "",
navigate: "",
nextPageToken: "",
prevPageToken: "",
startindex: 1,
videoId: "",
};
self.util.debug(self,'Method: getRelatedVideos');
self.util.debug(self,options);
if(self.apikey === "") {
callback(self.util.AllErrors(0));
return false;
}
if(!options) {
callback(self.util.AllErrors(111));
return false;
}
options = self.util.deepExtend({}, defaults, options);
options.extraparam = options.extraparam + "&type=video&relatedToVideoId=" + options.videoId;
self.search(options, callback);
}
};
$youtube.prototype.util = {
AllErrors: function(errno) {
var errors ={
"0":["NO_API_KEY", "Please Provide Api Key using object.apikey (or) inside $youtube(apikey)"],
"1":["NO_VIDEO_ID", "Please Supply video id while calling the function ex:getdata(videoid)"],
"11":["NO_KEYWORD", "Please Provide Keyword to search"],
"12":["MAX_RESULTS_OUT_OF_RANGE", "Please Enter Valid maxResults value ranging from 0 to 50"],
"13":["OUT_OF_RANGE", "Less than zero values"],
"21":["NO_NEXT_PAGE", "No Next Page"],
"22":["NO_PREV_PAGE", "No Previous Page"],
"23":["INVALID_INDEX_OUT_OF_RANGE", "Please enter valid start index, it shoukd range from 1 to 999"],
"404": ["NOT_FOUND", 'not found']
};
var errormsg ={};
errormsg.type = errors[errno][0];
errormsg.msg = errors[errno][1];
errormsg.number = errno;
return errormsg;
},
divideTime : function(duration) {
var matches = duration.match(/\d+\.?\d*/g);
var length=matches.length;
var secs, mins, hr;
secs=parseInt(matches[length-1]);
if(length>1) mins=parseInt(matches[length-2]); else mins=0;
if(length>2) hr=parseInt(matches[length-3]); else hr=0;
return [secs, mins, hr];
},
ajaxGet : function(options) {
if( !options ) {
return false;
}
if(!options.url) {
return false;
}
if(!options.success) {
options.success = function(){}
}
if(!options.fail) {
options.fail = function(){}
}
var request = new XMLHttpRequest();
request.open('GET', options.url, true);
request.onload = function() {
if (request.status >= 200 && request.status < 400) {
// Success!
var resp = request.responseText;
options.success(resp);
} else {
options.fail(request);
}
};
request.onerror = function() {
// There was a connection error of some sort
};
request.send();
},
deepExtend : function(out) {
out = out || {};
for (var i = 1; i < arguments.length; i++) {
var obj = arguments[i];
if (!obj)
continue;
for (var key in obj) {
if (obj.hasOwnProperty(key)) {
if (typeof obj[key] === 'object')
out[key] = this.deepExtend(out[key], obj[key]);
else
out[key] = obj[key];
}
}
}
return out;
},
debug: function(instance, msg) {
var self = instance;
self.logs.push(msg);
if(self.debug) {
console.log(msg);
}
return true;
}
};
return $youtube;
});