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浏览多瑙影院时经常想要知道一部电影或者电视剧是否值得一看，我比较信赖豆瓣的评分，所以每次都需要手动去豆瓣查找。这款插件会自动在电影的页面显示该电影在豆瓣的评分，省去在豆瓣搜索的麻烦。
// ==UserScript==
// @name 多瑙影院-自动显示电影、电视剧豆瓣评分(新版多瑙)
// @namespace lejo
// @version 0.4
// @description 浏览多瑙影院时经常想要知道一部电影或者电视剧是否值得一看，我比较信赖豆瓣的评分，所以每次都需要手动去豆瓣查找。这款插件会自动在电影的页面显示该电影在豆瓣的评分，省去在豆瓣搜索的麻烦。
// @author Lejo
// @include http*://www.dnvod.tv*
// @grant GM_xmlhttpRequest
// ==/UserScript==
if (typeof GM_xmlhttpRequest === "undefined") {
alert("不支持Greasemonkey 4.x，请换用暴力猴或Tampermonkey");
return;
}
// Send ajax
function getJSON(url, callback) {
GM_xmlhttpRequest({
method: 'GET',
url: url,
headers: {
'Accept': 'application/json'
},
onload: function (response) {
if (response.status >= 200 && response.status < 400) {
callback(JSON.parse(response.responseText), url);
} else {
callback(false, url);
}
}
});
}
// Function to execute callback on a list of tasks
// Parameters:
// 1. tasks: a list of tasks
// 2. singleTaskHandler: a callback function, its first argument is a single element in variable tasks. The second argument is a callback function, which should be called when asyn operation is done
// 3. done: a callback function executed when all tasks has finished. If tasks has zero element, it will be executed immediately
function asyncExecTasks(tasks, singleTaskHandler, done) {
if (tasks.length === 0) {
setTimeout(done, 0)
return
}
var counter = 0
var singleTaskDone = function() {
counter ++
if (counter === tasks.length) {
done()
return
}
}
tasks.forEach(function(task){
singleTaskHandler(task, singleTaskDone)
})
}
// Clean the fetched name, get rid of unsearchable substrings
function cleanName (name) {
var redundantList = ['(枪版慎入)',
'(韩版听译)',
'-连载',
'(听译)']
redundantList.forEach(function(redName) {
var subIndex = name.indexOf(redName)
if(subIndex !== -1) name = name.substring(0, subIndex)
})
var matched = name.match(/第(.*)季/g)
if (matched !== null) {
var matchedStr = matched[0]
var subIndex = name.indexOf(matchedStr)
if(subIndex !== -1) name = name.substring(0, subIndex)
var seasonNr = matchedStr.substring(1,matchedStr.length-1)
console.log(seasonNr)
var mapping = {
'1':'一',
'2':'二',
'3':'三',
'4':'四',
'5':'五',
'6':'六',
'7':'七',
'8':'八',
'9':'九',
'10':'十',
'11':'十一',
'12':'十二',
'13':'十三',
'14':'十四',
'15':'十五',
}
name = name + ' 第' + mapping[seasonNr] + '季'
}
return name
}
function updateDoubanInfo(){
console.log(document.getElementsByClassName("video-detail"))
var container = document.getElementsByClassName("video-detail")[0]
if(!container) return
var movieName = container.children[0].children[0].innerHTML
console.log(movieName)
movieName = cleanName(movieName)
var div = document.createElement("DIV")
div.innerHTML = '豆瓣评分： 读取中...'
div.style.color = '#007722'
div.id = 'douban-box'
// Detect if the div already exists, if yes, then don't insert, just update
var doubanBox = document.getElementById('douban-box');
if(doubanBox){
doubanBox.parentNode.removeChild(doubanBox);
}
container.insertBefore(div, container.children[1])
getJSON('https://api.douban.com/v2/movie/search?q=' + movieName, function(response, url){
console.log(response)
var list = response.subjects
var matchList = []
// TODO: do more sophisticated things to narrow down possible candidates
list.forEach(function(subject) {
if (subject.title === movieName) {
matchList.push(subject)
return
}
})
// If we only have an empty list, try to see if the first two items have an alternative name the same as movieName
var testList = []
if (matchList.length === 0) {
testList = list.slice(0, 2)
}
asyncExecTasks(testList, function(subject, done) {
getJSON('https://api.douban.com/v2/movie/subject/' + subject.id, function(response, url){
response.aka.forEach(function(name){
if(movieName === name) matchList.push(response)
})
done()
})
}, function(){
fetchDetails(div, matchList)
})
var fetchDetails = function(div, matchList) {
asyncExecTasks(matchList, function(subject, done) {
getJSON('https://api.douban.com/v2/movie/subject/' + subject.id, function(response, url){
console.log(response)
subject.ratings_count = response.ratings_count
done()
})
}, function(){
populateDiv(div, matchList)
})
}
// Populate div with content
var populateDiv = function(div, matchList) {
console.log(matchList)
if (matchList.length === 0) {
div.innerHTML = 'Sorry, 在豆瓣电影上找不到对应条目 (<a href="https://movie.douban.com/subject_search?search_text=' + movieName + '" target="_blank">查看豆瓣搜索列表<a>)'
return
}
div.innerHTML = '在豆瓣电影上找到' + matchList.length + '个同名条目: (<a href="https://movie.douban.com/subject_search?search_text=' + movieName + '" target="_blank">查看豆瓣搜索列表<a>)<br \>'
for(var i=0; i<matchList.length; i++) {
div.innerHTML += (i + 1) + '. 演员: '
for(var j=0; j<matchList[i].casts.length; j++) {
div.innerHTML += matchList[i].casts[j].name
div.innerHTML += (j < matchList[i].casts.length - 1) ? '/' : '; '
div.innerHTML += ' '
}
div.innerHTML += '评分: <b style="font-weight: bold;">' + matchList[i].rating.average + '</b>; '
div.innerHTML += '评分人数: ' + matchList[i].ratings_count + ' '
div.innerHTML += '(<a href="'+ matchList[i].alt + '" target="_blank">豆瓣专页</a>)<br />'
}
}
})
}
var prevUrl = ''
setInterval(function(){
if(window.location.href !== prevUrl) {
prevUrl = window.location.href
updateDoubanInfo()
}
}, 1000)