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bili-watch.js
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bili-watch.js
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var async = require('async');
var crypto = require('crypto');
var request = require('request');
var fs = require('fs');
var mysql = require('mysql');
var connection = mysql.createConnection({
host: 'localhost',
user: 'root',
password: 'password',
database: 'hmoe_ce'
});
connection.connect();
"use strict"
var APPKEY = 'ba3a4e554e9a6e15dc4d1d70c2b154e3';
var req = [
{ 'name': 'appkey', 'val': '422fd9d7289a1dd9' },
{ 'name': 'batch', 'val': '1' },
// {'name' : 'check_area','val':'1'},
// {'name' : 'fav','val':'1'},
{ 'name': 'id', 'val': '7' },
{ 'name': 'rnd', 'val': '5115' },
{ 'name': 'type', 'val': 'json' },
]
function createUrl(theReq, aid) {
var md5 = crypto.createHash('md5');
var url = '';
theReq.sort(function(x, y) {
return x['name'] > y['name']
});
for (var key in theReq) {
if (theReq.hasOwnProperty(key)) {
var element = theReq[key];
if (element['name'] == 'id' && aid != undefined)
element['val'] = aid;
url += '&' + element['name'] + '=' + element['val'];
}
}
url = url.substr(1, url.length - 1);
md5.update(url);
md5.update(APPKEY);
return '?' + url + '&sign=' + md5.digest('hex');
}
var midList = []; //用户ID的列表
var aidList = [];
var downloadNum = 0;
function saveVideoToDB(o, aid, callback, l) {
var needRefresh = true;
async.series([
function(cb) {
if (o.coins == 0 && o.credit == 0) {
connection.query("SELECT * FROM video_history WHERE aid=? and coins=0 and credit=0 ORDER BY ts DESC LIMIT 1", [aid],
function(err, rows, fields) {
if (err) {
console.error(err);
throw err;
}
if (rows.length == 1) {
if (rows[0].play == o.play &&
rows[0].review == o.review &&
rows[0].video_review == o.video_review &&
rows[0].favorites == o.favorites) {
needRefresh = false;
}
}
cb();
});
} else {
connection.query("SELECT * FROM video_history WHERE aid=? and coins!=0 and credit!=0 ORDER BY ts DESC LIMIT 1", [aid],
function(err, rows, fields) {
if (err) {
console.error(err);
throw err;
}
if (rows.length == 1) {
if (rows[0].play == o.play &&
rows[0].review == o.review &&
rows[0].video_review == o.video_review &&
rows[0].favorites == o.favorites &&
rows[0].coins == o.coins &&
rows[0].credit == o.credit) {
needRefresh = false;
}
}
cb();
});
}
},
function(cb) {
connection.query("REPLACE INTO video (`aid`,`mid`,`title`,`description`,`created`,`pic`) VALUES (?,?,?,?,?,?);", [aid, o.mid, o.title, o.description, o.created_at, o.pic], function(err, rows) {
cb();
if (err) {
console.log(err);
console.log(o)
console.log('写入视频数据出错：' + aid);
}
});
},
function(cb) {
if (!needRefresh) return cb();
connection.query("REPLACE INTO video_history (`aid`,`ts`,`play`,`review`,`video_review`,`favorites`,`coins`,`credit`) VALUES (?,NOW(),?,?,?,?,?,?)", [aid, o.play, o.review, o.video_review, o.favorites, o.coins, o.credit],
function(err, rows) {
cb();
if (err) {
console.log(err);
console.log(o)
console.log('写入视频数据出错：' + aid);
}
})
}
], function(err, results) {
callback();
return;
});
}
function updateVideos(callback) {
if (aidList.length <= 0) {
//connection.end();
//console.log('已经关闭到数据库的连接');
callback();
return;
}
var refreshed = false;
async.series([
function(cb) {
var a = aidList.pop();
var aid = a.aid;
var dd = new Date().getTime() - Date.parse(a.created);
//如果投稿日期超过一个星期，不更新
if ((dd > 1000 * 3600 * 24 * 7)) {
cb();
} else {
refreshed = true;
request({
'url': 'http://api.bilibili.com/view' + createUrl(req, aid),
}, function(err, response, body) {
try {
var o = JSON.parse(body);
if (o.code && (o.code == '-403' || o.code == '-503')) {
o.mid = a.mid;
o.title = a.title;
o.description = a.description;
o.created_at = a.created;
o.pic = a.pic;
o.play = a.play;
o.review = a.review;
o.video_review = a.video_review;
o.favorites = a.favorites;
o.coins = 0;
o.credit = 0;
}
if (o.coins == '--') {
o.coins = 0;
}
if (o.credit == '--') {
o.credit = 0;
}
if (typeof(o.created_at) === "number") {
var date = new Date(o.created_at * 1000);
o.created_at = date.getFullYear() + '-' + (date.getMonth() + 1) + '-' + date.getDay() + ' ' +
date.getHours() + ':' + date.getMinutes();
}
saveVideoToDB(o, aid, cb, aidList.length);
} catch (e) {
console.log('视频数据出错:' + aid);
}
});
}
}
], function(err) {
if (!refreshed) {
setTimeout(updateVideos, 0, callback);
} else {
if (downloadNum++ % 8 == 0) {
setTimeout(updateVideos, 3500, callback);
} else {
setTimeout(updateVideos, 100, callback);
}
}
});
}
function start() {
midList = [];
aidList = [];
downloadNum = 0;
async.series([
function(callback) {
//更新用户列表
connection.query('SELECT * FROM watch', function(err, rows, fields) {
if (err) throw err;
for (var i = 0; i < rows.length; i++) {
midList.push(rows[i].mid);
}
console.log('已经从数据库获得监控用户列表');
callback();
})
},
function(callback) {
//更新用户信息
async.each(midList, function(mid, cb) {
request({
url: 'http://space.bilibili.com/ajax/member/GetInfo',
method: 'POST',
headers: {
'Referer': 'http://space.bilibili.com/' + mid + '/'
},
formData: {
'mid': mid
}
}, function(err, res, body) {
if (!err && res.statusCode == 200) {
try {
var o = JSON.parse(body);
var needRefresh = true;
async.series([
function(cb2) {
connection.query("SELECT * FROM up_history WHERE mid=? ORDER BY ts DESC LIMIT 1", [mid],
function(err, rows, fields) {
if (err) {
console.error(err);
throw err;
}
if (rows.length == 1) {
if (rows[0].coins == o.coins &&
rows[0].rank == o.level_info.current_exp &&
rows[0].fans == o.fans &&
rows[0].friends == o.friend) {
needRefresh = false;
}
}
cb2();
});
},
function(cb2) {
connection.query("REPLACE INTO up (`mid`,`name`,`face`,`birthday`,`regtime`,`description`,`sign`) VALUES (?,?,?,?,?,?,?);", [mid, o.data.name, o.data.face, o.data.birthday, o.data.regtime, o.data.description, o.data.sign],
function(err, rows) {
if (err) {
console.error(err);
console.error('写入' + mid + '的用户数据时出错');
}
cb2();
})
},
function(cb2) {
if (!needRefresh) return cb2();
connection.query("REPLACE INTO up_history (`mid`,`ts`,`coins`,`rank`,`fans`,`friends`) VALUES (?,NOW(),?,?,?,?);", [mid, o.data.coins, o.data.level_info.current_exp, o.data.fans, o.data.friend],
function(err, rows) {
if (err) {
console.log(err)
console.error('写入' + mid + '的用户历史数据时出错');
}
cb2();
});
}
], function(err) {
cb();
});
} catch (e) {
console.error('错误，不能获取' + 'http://api.bilibili.cn/userinfo?mid=' + mid);
cb();
}
} else {
console.error('错误，不能获取' + 'http://api.bilibili.cn/userinfo?mid=' + mid);
cb();
}
});
}, function(err) {
if (err) {
console.error('某些用户信息更新失败');
} else {
console.log('用户信息更新完成');
}
callback();
});
},
function(callback) {
//获得用户视频列表
// 这里已知一个B站的BUG：如果简介之类的地方有双引号，会导致JSON坏掉……
async.each(midList, function(mid, cb) {
request({
url: 'http://space.bilibili.com/ajax/member/getSubmitVideos?mid=' + mid + '&keyword=&page=1&pagesize=100'
}, function(err, res, body) {
try {
var o = JSON.parse(body);
for (var i = 0; i < o.data.vlist.length; i++) {
aidList.push(o.data.vlist[i]);
}
if (o.data.pages > 1) {
var pages = [];
for (var i = 2; i <= o.data.pages; i++) {
pages.push(i);
}
async.each(pages, function(page, cb2) {
request({
url: 'http://space.bilibili.com/ajax/member/getSubmitVideos?mid=' + mid + '&keyword=&page=' + page + '&pagesize=100'
}, function(err, res, body) {
try {
var o = JSON.parse(body);
for (var i = 0; i < o.data.vlist.length; i++) {
aidList.push(o.data.vlist[i]);
}
cb2();
} catch (e) {
console.error(e.stack);
console.log('视频列表失败：' + mid + ',' + page);
cb2();
return;
}
});
}, function(err) {
cb();
})
} else {
cb();
}
} catch (e) {
console.log('视频列表失败：' + mid);
cb();
return;
}
});
}, function(err) {
if (err) {
console.error('某些用户视频列表更新失败');
} else {
console.log('用户视频列表更新完成');
}
callback();
});
},
function(callback) {
//获得视频详细信息并且更新数据库
updateVideos(callback);
}
], function(err, results) {
console.log('完成');
connection.end();
});
}
start();