Files
zoff/server/handlers/search.js

675 lines
19 KiB
JavaScript

var path = require("path");
var time_regex = /P((([0-9]*\.?[0-9]*)Y)?(([0-9]*\.?[0-9]*)M)?(([0-9]*\.?[0-9]*)W)?(([0-9]*\.?[0-9]*)D)?)?(T(([0-9]*\.?[0-9]*)H)?(([0-9]*\.?[0-9]*)M)?(([0-9]*\.?[0-9]*)S)?)?/;
try {
var keys = require(path.join(__dirname, "../config/api_key.js"));
var key = keys.youtube;
var soundcloudKey = keys.soundcloud;
} catch (e) {
console.log(
"(!) Missing file - /config/api_key.js Have a look at /config/api_key.example.js. The server won't run without this existing."
);
process.exit(1);
}
var request = require("request");
var db = require(pathThumbnails + "/handlers/db.js");
var countryCodes = ["US", "NO", "SE", "DK", "CA", "EU", "UK"];
function check_if_error_or_blocked(id, channel, errored, callback) {
if (!errored) {
callback(false);
return;
}
db.collection(channel).find({ id: id, now_playing: true }, function(
err,
song
) {
if (song.length == 0) {
callback(false);
return;
}
var song_info = song[0];
if (song_info.source != "soundcloud") {
request(
{
type: "GET",
url:
"https://www.googleapis.com/youtube/v3/videos?part=id,status,contentDetails&key=" +
key +
"&id=" +
song_info.id
},
function(error, response, body) {
try {
var resp = JSON.parse(body);
if (resp.pageInfo.totalResults == 0) {
callback(true);
return;
} else if (!resp.items[0].status.embeddable) {
callback(true);
return;
} else if (
resp.items[0].contentDetails.hasOwnProperty("licensedContent") &&
resp.items[0].contentDetails.licensedContent
) {
callback(true);
return;
} else if (
resp.items[0].contentDetails.hasOwnProperty(
"regionRestriction"
) &&
resp.items[0].contentDetails.regionRestriction.hasOwnProperty(
"blocked"
) &&
resp.items[0].contentDetails.regionRestriction.blocked.length > 0
) {
var any = resp.items[0].contentDetails.blocked.some(function(
element
) {
return countryCodes.indexOf(element) > -1;
});
if (any) {
callback(true);
return;
}
}
callback(false);
return;
} catch (e) {
callback(true);
return;
}
}
);
} else {
request(
{
type: "GET",
url:
"http://api.soundcloud.com/tracks/" +
song_info.id +
"?client_id=" +
soundcloudKey
},
function(error, response, body) {
try {
var resp = JSON.parse(body);
if (resp.sharing != "public" || resp.embeddable_by != "all") {
callback(true);
return;
}
callback(false);
return;
} catch (e) {
callback(true);
return;
}
}
);
}
});
}
function filterFunction(el) {
return el != null && el != "" && el != undefined && el.trim() != "";
}
function get_genres_soundcloud(song, channel) {
request(
"http://api.soundcloud.com/tracks/" +
song.id +
"?client_id=" +
soundcloudKey,
function(err, response, body) {
if (err) {
console.log("error start", err, song, "error end");
return;
}
try {
var object = JSON.parse(body);
if (
!object.hasOwnProperty("genre") ||
!object.hasOwnProperty("tag_list")
)
return;
var genre = object.genre + ",";
genre = genre
.toLowerCase()
.split(",")
.concat(object.tag_list.toLowerCase().split('"'));
genre = genre.filter(filterFunction);
db.collection(channel).update(
{ id: song.id },
{
$set: {
tags: genre
}
},
function(e, d) {}
);
} catch (e) {
console.log("errored 2", e);
}
}
);
}
function get_genres_list(list, channel) {
var youtube_array = "";
var i = 0;
try {
for (var i = 0; i < list.length; i++) {
if (!list[i].hasOwnProperty("id")) continue;
if (list[i].source == undefined || list[i].source == "youtube") {
youtube_array += list[i].id + ",";
} else if (
list[i].source != undefined &&
list[i].source == "soundcloud"
) {
get_genres_soundcloud(list[i], channel);
}
}
if (youtube_array.length > 0) {
if (youtube_array > 49) {
var subList = [];
for (var i = 0; i < youtube_array.length; i++) {
subList.push(youtube_array[i]);
if (subList.length > 49) {
get_genres_youtube(subList.join(","), channel);
subList = [];
}
}
get_genres_youtube(subList.join(","), channel);
subList = [];
} else {
get_genres_youtube(youtube_array, channel);
}
}
} catch (e) {
console.log("errored", e);
return;
}
}
function start_soundcloud_get(arr, channel, callback) {
get_genres_soundcloud_recursive(arr, channel, 0, callback);
}
function get_genres_soundcloud_recursive(arr, channel, i, callback) {
if (i >= arr.length) {
if (typeof callback == "function") callback();
return;
}
var song = arr[i];
request(
"http://api.soundcloud.com/tracks/" +
song.id +
"?client_id=" +
soundcloudKey,
function(err, response, body) {
if (err) {
console.log("error start", err, song, "error end");
get_genres_soundcloud_recursive(arr, channel, i + 1, callback);
return;
}
try {
var object = JSON.parse(body);
if (
!object.hasOwnProperty("genre") ||
!object.hasOwnProperty("tag_list")
) {
get_genres_soundcloud_recursive(arr, channel, i + 1, callback);
return;
}
var genre = object.genre + ",";
genre = genre
.toLowerCase()
.split(",")
.concat(object.tag_list.toLowerCase().split('"'));
genre = genre.filter(filterFunction);
db.collection(channel).update(
{ id: song.id },
{
$set: {
tags: genre
}
},
function(e, d) {
get_genres_soundcloud_recursive(arr, channel, i + 1, callback);
}
);
} catch (e) {
console.log("errored 2", e);
get_genres_soundcloud_recursive(arr, channel, i + 1, callback);
}
}
);
}
function get_genres_list_recursive(list, channel, callback) {
var youtube_array = [];
var soundcloud_array = [];
for (var i = 0; i < list.length; i++) {
if (!list[i].hasOwnProperty("id")) continue;
if (list[i].source == undefined || list[i].source == "youtube") {
youtube_array.push(list[i]);
} else if (list[i].source != undefined && list[i].source == "soundcloud") {
soundcloud_array.push(list[i]);
}
}
start_youtube_get(youtube_array, channel, function() {
start_soundcloud_get(soundcloud_array, channel, function() {
if (typeof callback == "function") callback();
});
});
}
function start_youtube_get(arr, channel, callback) {
get_genres_youtube_recursive(arr, channel, 0, callback);
}
function get_genres_youtube_recursive(arr, channel, i, callback) {
if (i >= arr.length) {
if (typeof callback == "function") callback();
return;
}
var ids = [];
for (var y = i; y < arr.length; y++) {
if (ids.length >= 48) {
break;
}
ids.push(arr[y].id);
}
request(
{
type: "GET",
url:
"https://www.googleapis.com/youtube/v3/videos?part=contentDetails,snippet,id,topicDetails&key=" +
key +
"&id=" +
ids.join(",")
},
function(error, response, body) {
if (error) {
get_genres_youtube_recursive(arr, channel, i + ids.length, callback);
return;
}
var resp = JSON.parse(body);
if (!resp.hasOwnProperty("items")) {
get_genres_youtube_recursive(arr, channel, i + ids.length, callback);
return;
}
if (resp.items.length > 0) {
for (var z = 0; z < resp.items.length; z++) {
if (!resp.items[z].hasOwnProperty("topicDetails")) continue;
var genre = resp.items[z].topicDetails.topicCategories;
genre = genre.join(",");
genre = genre.replace(
new RegExp("https://en.wikipedia.org/wiki/", "g"),
""
);
genre = genre
.replace(/_/g, " ")
.toLowerCase()
.split(",");
genre = genre.filter(filterFunction);
//console.log(resp.items[i].id + " - ", genre);
db.collection(channel).update(
{ id: resp.items[z].id },
{
$set: {
tags: genre
}
},
function(e, d) {}
);
}
get_genres_youtube_recursive(arr, channel, i + ids.length, callback);
} else {
get_genres_youtube_recursive(arr, channel, i + ids.length, callback);
}
}
);
}
function get_genres_youtube(ids, channel) {
request(
{
type: "GET",
url:
"https://www.googleapis.com/youtube/v3/videos?part=contentDetails,snippet,id,topicDetails&key=" +
key +
"&id=" +
ids
},
function(error, response, body) {
if (error) {
return;
}
var resp = JSON.parse(body);
if (!resp.hasOwnProperty("items")) {
return;
}
if (resp.items.length > 0) {
for (var i = 0; i < resp.items.length; i++) {
if (!resp.items[i].hasOwnProperty("topicDetails")) continue;
var genre = resp.items[i].topicDetails.topicCategories;
genre = genre.join(",");
genre = genre.replace(
new RegExp("https://en.wikipedia.org/wiki/", "g"),
""
);
genre = genre
.replace(/_/g, " ")
.toLowerCase()
.split(",");
genre = genre.filter(filterFunction);
//console.log(resp.items[i].id + " - ", genre);
db.collection(channel).update(
{ id: resp.items[i].id },
{
$set: {
tags: genre
}
},
function(e, d) {}
);
}
}
}
);
}
function get_correct_info(song_generated, channel, broadcast, callback) {
//channel = channel.replace(/ /g,'');
request(
{
type: "GET",
url:
"https://www.googleapis.com/youtube/v3/videos?part=contentDetails,snippet,id,topicDetails&key=" +
key +
"&id=" +
song_generated.id
},
function(error, response, body) {
try {
var resp = JSON.parse(body);
if (resp.items.length == 1) {
var duration = parseInt(
durationToSeconds(resp.items[0].contentDetails.duration)
);
var title = resp.items[0].snippet.localized.title;
var genre = resp.items[0].topicDetails.topicCategories;
genre = genre.join(",");
genre = genre.replace(
new RegExp("https://en.wikipedia.org/wiki/", "g"),
""
);
genre = genre
.replace(/_/g, " ")
.toLowerCase()
.split(",");
genre = genre.filter(filterFunction);
//console.log(genre + " - ", song_generated.id);
if (
title != song_generated.title ||
duration < parseInt(song_generated.duration)
) {
if (title != song_generated.title) {
song_generated.title = title;
}
if (duration < parseInt(song_generated.duration)) {
song_generated.duration = duration;
song_generated.start = 0;
song_generated.end = duration;
}
db.collection(channel).update(
{ id: song_generated.id },
{
$set: {
duration: song_generated.duration,
start: song_generated.start,
end: song_generated.end,
title: song_generated.title,
tags: genre
}
},
function(err, docs) {
if (broadcast && docs.nModified == 1) {
song_generated.new_id = song_generated.id;
//if(song_generated.type == "video")
if (typeof callback == "function") {
callback(song_generated, true);
} else {
io.to(channel).emit("channel", {
type: "changed_values",
value: song_generated
});
}
} else {
if (typeof callback == "function") {
callback(song_generated, true);
}
}
}
);
} else {
db.collection(channel).update(
{ id: song_generated.id },
{
$set: {
tags: genre
}
},
function(e, d) {
if (typeof callback == "function") {
callback(song_generated, true);
}
}
);
}
} else {
findSimilar(song_generated, channel, broadcast, callback);
}
} catch (e) {
if (typeof callback == "function") {
callback({}, false);
}
}
}
);
}
function check_error_video(msg, channel) {
if (
!msg.hasOwnProperty("id") ||
!msg.hasOwnProperty("title") ||
typeof msg.id != "string" ||
typeof msg.title != "string"
) {
var result = {
id: {
expected: "string",
got: msg.hasOwnProperty("id") ? typeof msg.id : undefined
},
title: {
expected: "string",
got: msg.hasOwnProperty("title") ? typeof msg.title : undefined
}
};
return;
}
if (msg.source == "soundcloud") return;
//channel = channel.replace(/ /g,'');
request(
{
type: "GET",
url:
"https://www.googleapis.com/youtube/v3/videos?part=id&key=" +
key +
"&id=" +
msg.id
},
function(error, response, body) {
try {
var resp = JSON.parse(body);
if (resp.pageInfo.totalResults == 0) {
findSimilar(msg, channel, true, undefined);
}
} catch (e) {
console.log(msg.id, key, e, body);
}
}
);
}
function findSimilar(msg, channel, broadcast, callback) {
//channel = channel.replace(/ /g,'');
var yt_url =
"https://www.googleapis.com/youtube/v3/search?key=" +
key +
"&videoEmbeddable=true&part=id&type=video&order=viewCount&safeSearch=none&maxResults=5&q=" +
encodeURIComponent(msg.title);
request(
{
method: "GET",
url: yt_url
},
function(error, response, body) {
var resp = JSON.parse(body);
if (resp.items.length > 0) {
var vid_url =
"https://www.googleapis.com/youtube/v3/videos?part=contentDetails,snippet,id&key=" +
key +
"&id=";
for (var i = 0; i < resp.items.length; i++) {
vid_url += resp.items[i].id.videoId + ",";
}
request(
{
type: "GET",
url: vid_url
},
function(error, response, body) {
var resp = JSON.parse(body);
var found = false;
var element = {};
for (var i = 0; i < resp.items.length; i++) {
if (
similarity(resp.items[i].snippet.localized.title, msg.title) >
0.75
) {
found = true;
element = {
title: resp.items[i].snippet.localized.title,
duration: parseInt(
durationToSeconds(resp.items[i].contentDetails.duration)
),
id: resp.items[i].id,
start: 0,
end: parseInt(
durationToSeconds(resp.items[i].contentDetails.duration)
)
};
break;
}
}
if (found) {
db.collection(channel).update(
{ id: msg.id },
{
$set: element
},
function(err, docs) {
if (
docs &&
docs.hasOwnProperty("nModified") &&
docs.nModified == 1 &&
broadcast
) {
element.new_id = element.id;
element.id = msg.id;
if (!callback) {
io.to(channel).emit("channel", {
type: "changed_values",
value: element
});
}
}
if (typeof callback == "function") {
msg.title = element.title;
msg.id = element.id;
msg.duration = element.duration;
msg.start = element.start;
msg.end = element.end;
callback(msg, true);
}
}
);
} else if (typeof callback == "function") {
callback({}, false);
}
}
);
}
}
);
}
function similarity(s1, s2) {
var longer = s1;
var shorter = s2;
if (s1.length < s2.length) {
longer = s2;
shorter = s1;
}
var longerLength = longer.length;
if (longerLength == 0) {
return 1.0;
}
return (
(longerLength - editDistance(longer, shorter)) / parseFloat(longerLength)
);
}
function editDistance(s1, s2) {
s1 = s1.toLowerCase();
s2 = s2.toLowerCase();
var costs = new Array();
for (var i = 0; i <= s1.length; i++) {
var lastValue = i;
for (var j = 0; j <= s2.length; j++) {
if (i == 0) costs[j] = j;
else {
if (j > 0) {
var newValue = costs[j - 1];
if (s1.charAt(i - 1) != s2.charAt(j - 1))
newValue = Math.min(Math.min(newValue, lastValue), costs[j]) + 1;
costs[j - 1] = lastValue;
lastValue = newValue;
}
}
}
if (i > 0) costs[s2.length] = lastValue;
}
return costs[s2.length];
}
function durationToSeconds(duration) {
var matches = duration.match(time_regex);
hours = parseInt(matches[12]) || 0;
minutes = parseInt(matches[14]) || 0;
seconds = parseInt(matches[16]) || 0;
return hours * 60 * 60 + minutes * 60 + seconds;
}
module.exports.check_if_error_or_blocked = check_if_error_or_blocked;
module.exports.get_genres_list_recursive = get_genres_list_recursive;
module.exports.get_genres_soundcloud = get_genres_soundcloud;
module.exports.get_genres_youtube = get_genres_youtube;
module.exports.get_genres_list = get_genres_list;
module.exports.check_error_video = check_error_video;
module.exports.get_correct_info = get_correct_info;