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bangumi过滤搜索结果

自动去除标签搜索结果中错误的结果，手动去除你认为错误的标签或关键词搜索结果，下次搜索时将自动过滤

  1. // ==UserScript==
  2. // @name         bangumi过滤搜索结果
  3. // @namespace    https://github.com/bangumi/scripts/tree/master/liaune
  4. // @version      0.3.3
  5. // @description  自动去除标签搜索结果中错误的结果，手动去除你认为错误的标签或关键词搜索结果，下次搜索时将自动过滤
  6. // @author       Liaune
  7. // @license      MIT
  8. // @include     /^https?://(bgm\.tv|chii\.in|bangumi\.tv)/*
  9. // @grant        none
  10. // ==/UserScript==
  11.  
  12. (function() {
  13. 	// 检测 indexedDB 兼容性，因为只有新版本浏览器支持
  14.     let indexedDB = window.indexedDB || window.mozIndexedDB || window.webkitIndexedDB;
  15.     // 初始化 indexedDB
  16.     const dbName = 'Bangumi_Subject_Tags';
  17.     const tableName = 'tags';
  18.     const indexName = 'id';
  19.     if (indexedDB) {
  20.         let request = indexedDB.open(dbName, 1);
  21.         request.onupgradeneeded = evt => {
  22.             let db = evt.target.result;
  23.             let objectStore = db.createObjectStore(tableName, {keyPath: indexName});
  24.         }
  25.         request.onsuccess = evt => {
  26.             //removeCache();
  27.         }
  28.     }
  29.     // 用来记录已经被使用的缓存列表
  30.     let cacheLists = [];
  31.     // 获取本地缓存
  32.     function getCache(itemId, callback) {
  33.         let request = indexedDB.open(dbName, 1);
  34.         request.onsuccess = evt => {
  35.             let db = evt.target.result;
  36.             let transaction = db.transaction([tableName], 'readonly');
  37.             let objectStore = transaction.objectStore(tableName);
  38.             let reqInfo = objectStore.get(itemId);
  39.             reqInfo.onsuccess = evt => {
  40.                 let result = evt.target.result;
  41.                 if(!!result) {
  42.                     cacheLists.push(itemId);
  43.                     callback(true, result.value.content);
  44.                 } else {
  45.                     callback(false);
  46.                 }
  47.             }
  48.             reqInfo.onerror = evt => {
  49.                 callback(false);
  50.             }
  51.         };
  52.     }
  53.     // 记录到本地缓存
  54.     function setCache(itemId, data) {
  55.         let request = indexedDB.open(dbName, 1);
  56.         request.onsuccess = evt => {
  57.             let db = evt.target.result;
  58.             let transaction = db.transaction([tableName], 'readwrite');
  59.             let objectStore = transaction.objectStore(tableName);
  60.             let cache = {
  61.                 content: data,
  62.                 created: new Date()
  63.             };
  64.             let reqInfo = objectStore.put({id: itemId, value: cache})
  65.             reqInfo.onerror = evt => {
  66.                 // console.log('Error', evt.target.error.name);
  67.             }
  68.             reqInfo.onsuccess = evt => {}
  69.         };
  70.     }
  71.     // 清除和更新缓存
  72.     function removeCache() {
  73.         let request = indexedDB.open(dbName, 1);
  74.         request.onsuccess = evt => {
  75.             let db = evt.target.result;
  76.             let transaction = db.transaction([tableName], 'readwrite'),
  77.                 store = transaction.objectStore(tableName),
  78.                 cacheTime = 1000*3600*24*7*4; //4周
  79.             store.openCursor().onsuccess = evt => {
  80.                 let cursor = evt.target.result;
  81.                 if (cursor) {
  82.                     if (cacheLists.indexOf(cursor.value.name) !== -1) {
  83.                         cursor.value.created = new Date();
  84.                         cursor.update(cursor.value);
  85.                     } else {
  86.                         let now = new Date(),
  87.                             last = cursor.value.created;
  88.                         if (now - last > cacheTime) {
  89.                             cursor.delete();
  90.                         }
  91.                     }
  92.                     cursor.continue();
  93.                 }
  94.             }
  95.         };
  96.     }
  97.  
  98.  
  99.  
  100.     let itemsList,blacklist,type,key,count=0,see=0;
  101. 	const hotTags = ['TV','剧场版','漫画改','原创','搞笑','OVA','轻小说改','里番'];
  102.  
  103.     if(localStorage.getItem('bangumi_result_blacklist'))
  104.         blacklist = JSON.parse(localStorage.getItem('bangumi_result_blacklist'));
  105.     else
  106.         blacklist = {"tag":{},"subject_search":{}};
  107.     //let match = decodeURI(location.href).match(/(tag|subject_search)\/(\S+)(\/|.?).*/);
  108.     let match = decodeURI(location.pathname).match(/(tag|subject_search)/);
  109.     if(match){
  110.         type = match[1];
  111. 		let arr = decodeURI(location.pathname).split('/');
  112. 		let index = arr.findIndex((e)=> e == type);
  113.         key = arr[index+1];
  114.         let showBtn = document.createElement('li');
  115.         let select = document.createElement('a'); $(select).css({"background-image": "url(https://i.loli.net/2018/11/04/5bdef15ba9076.png)","background-size": "1600px 2444px","background-position": "-405px -1045px"});
  116.         select.href='javascript:;';
  117.         if(document.querySelectorAll('#browserTypeSelector li')[0]) document.querySelector('#browserTypeSelector').insertBefore(showBtn, document.querySelectorAll('#browserTypeSelector li')[0]);
  118.         showBtn.appendChild(select);
  119.         select.addEventListener('click', filter);
  120.  
  121.         filter();
  122.         see = 0;
  123.     }
  124.     function filter(){
  125.         count = 0;
  126.         itemsList = document.querySelectorAll('#browserItemList li.item');
  127. 		if(!itemsList.length) return 0;
  128.         see = (see==1)? 0 :1;
  129.         if(!blacklist[type][key]) blacklist[type][key] = [];
  130.         let fetchList = [];
  131.         itemsList.forEach( (elem) => {
  132.             let href = elem.querySelector('a.subjectCover').href;
  133.             let ID = href.split('/subject/')[1];
  134.  
  135. 			let hideBtn = document.createElement('a');  hideBtn.href='javascript:;';  hideBtn.className = 'delet-icon'; hideBtn.textContent = '☒'; hideBtn.style.float='right';
  136.             hideBtn.addEventListener('click', function(){
  137.                 if(blacklist[type][key].includes(ID)){
  138.                     blacklist[type][key].splice(blacklist[type][key].indexOf(ID),1);
  139.                     alert("已将此条目从黑名单中移除");
  140.                     localStorage.setItem('bangumi_result_blacklist',JSON.stringify(blacklist));
  141.                 }
  142.                 else{
  143.                     $(elem).hide();
  144.                     blacklist[type][key].push(ID);
  145.                     localStorage.setItem('bangumi_result_blacklist',JSON.stringify(blacklist));
  146.                 }
  147.             });
  148.             if(!$(elem).find('.delet-icon').length) elem.appendChild(hideBtn);
  149.  
  150.             if(blacklist[type][key].includes(ID)){
  151.                 if(see) $(elem).hide();
  152.                 else $(elem).show();
  153.                 count++;
  154.             }
  155.             else if(type == 'tag'){
  156. 				getCache(ID, function(success, result) {
  157.                     if (success) {
  158.                         if(!result.includes(key)){
  159. 							blacklist[type][key].push(ID);
  160. 							localStorage.setItem('bangumi_result_blacklist',JSON.stringify(blacklist));
  161. 							$(elem).hide();
  162. 						}
  163.                     }
  164.                     else{
  165.                         fetchList.push(elem);
  166.                     }
  167.                 });
  168. 				fetchList.push(elem);
  169. 			}
  170.             else count++;
  171.         });
  172. 		let i = 0;
  173.         let getitemsList= setInterval(function(){
  174.             let elem = fetchList[i];
  175.             if(elem){
  176.                 let href = elem.querySelector('a.subjectCover').href;
  177.                 getStatus(href,elem);
  178.                 i++;
  179.             }
  180.             if(count >= itemsList.length){
  181.                 clearInterval(getitemsList);
  182.             }
  183.         },300);
  184.     }
  185.  
  186.     function getStatus(href,elem){
  187.         let xhr = new XMLHttpRequest();
  188.         xhr.open( "GET", href );
  189.         xhr.withCredentials = true;
  190.         xhr.responseType = "document";
  191.         xhr.send();
  192.         xhr.onload = function(){
  193.             let d = xhr.responseXML;
  194.             let ID = href.split('/subject/')[1];
  195.             let tagList = d.querySelectorAll('#subject_detail .subject_tag_section .inner a.l');
  196.             let tagsAll = {"tag":[],"vote":[]};
  197.             for(let i=0;i<tagList.length;i++){
  198.                 tagsAll.tag.push(tagList[i].querySelector('span').textContent);
  199.                 tagsAll.vote.push(tagList[i].querySelector('small').textContent);
  200.             }
  201.             let Tags = [];
  202.             for(let i=0;i<tagsAll.tag.length;i++){
  203.                 if(checkTag(tagsAll.tag[i]) && parseInt(tagsAll.vote[i])>= Math.min(10,parseInt(tagsAll.vote[0])/10))
  204.                     Tags.push(tagsAll.tag[i]);
  205.             }
  206. 			Tags = Tags.slice(0,Math.min(10,Tags.length));
  207.             console.log('check '+ID+':'+Tags);
  208.             setCache(ID,Tags);
  209. 			let TagsN = Tags;
  210. 			if(hotTags.includes(key)){
  211. 				TagsN = Tags.slice(0,5);
  212. 			}
  213.             if(!TagsN.includes(key)){
  214.                 blacklist[type][key].push(ID);
  215.                 localStorage.setItem('bangumi_result_blacklist',JSON.stringify(blacklist));
  216.                 $(elem).hide();
  217.             }
  218.             count++;
  219.         }
  220.     }
  221.  
  222. 	function checkTag(Tag){
  223.         function parseDate(Datestring){
  224.             let yy=Datestring.match(/(\d{4})/)? Datestring.match(/(\d{4})/)[1].toString():'';
  225.             let year = Datestring.match(/(\d{4})(年|-)(\d{1,2})(月|-)(\d{1,2})/)? Datestring.match(/(\d{4})(年|-)(\d{1,2})(月|-)(\d{1,2})/)[1].toString(): yy;
  226.             let month = Datestring.match(/(\d{4})(年|-)(\d{1,2})(月|-)(\d{1,2})/)? Datestring.match(/(\d{4})(年|-)(\d{1,2})(月|-)(\d{1,2})/)[3].toString(): '';
  227.             let day = Datestring.match(/(\d{4})(年|-)(\d{1,2})(月|-)(\d{1,2})/)?Datestring.match(/(\d{4})(年|-)(\d{1,2})(月|-)(\d{1,2})/)[5].toString(): '';
  228.             let time = year? (month? (year+'/'+month+'/'+day):year):'';
  229.             return time;
  230.         }
  231.         if(!Tag) return false;
  232.         else if(parseDate(Tag)!='') return false;
  233.         else return true;
  234.     }
  235.  
  236.     //设置
  237.     if(document.location.href.match(/settings/)){
  238.         $("#header > ul").append('<li><a id="blacklist" href="javascript:void(0);"><span>blacklist</span></a></li>');
  239.         $("#blacklist").on("click", function() {
  240.             $("#header").find("[class='selected']").removeClass("selected");
  241.             $("#blacklist").addClass("selected");
  242.             let data= localStorage.getItem('bangumi_result_blacklist');
  243.             let  html = '<form>' +
  244.                 '<span class="text">以下是你所保存的搜索结果过滤黑名单，你可以编辑和替换，点击"确定"即可保存修改</span>'+
  245.                 '<textarea id="data_content" name="content" cols="45" rows="15" style="width: 1000px;" class="quick">'+data+'</textarea>'+
  246.                 '<input id="submitBtn" class="inputBtn" value="确定" readonly unselectable="on" style="width:26px">' +
  247.                 '<a id="alert_submit" style="color: #F09199; font-size: 14px; padding: 20px"></a>'+
  248.                 '</form>';
  249.             $("#columnA").html(html);
  250.             $("#submitBtn").on("click", function() {
  251.                 data = $("#data_content").attr("value");
  252.                 localStorage.setItem('bangumi_result_blacklist',data);
  253.                 alert('保存成功！');
  254.             });
  255.         });
  256.     }
  257. })();

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