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MFC tag counter

Adds tags count indicator to list of entries

目前为 2024-10-09 提交的版本，查看 最新版本。

  1. // ==UserScript==
  2. // @name         MFC tag counter
  3. // @namespace    https://takkkane.tumblr.com/scripts/mfcTagCounter
  4. // @version      0.1.3
  5. // @description  Adds tags count indicator to list of entries
  6. // @author       Nefere
  7. // @supportURL   https://twitter.com/TaxDelusion
  8. // @match        https://myfigurecollection.net/entry/*
  9. // @match        https://myfigurecollection.net/browse.v4.php*
  10. // @match        https://myfigurecollection.net/browse/calendar/*
  11.  
  12. // @match        https://myfigurecollection.net/*
  13. // @match        https://myfigurecollection.net/item/browse/figure/
  14. // @match        https://myfigurecollection.net/item/browse/goods/
  15. // @match        https://myfigurecollection.net/item/browse/media/
  16. // @match        https://myfigurecollection.net/item/browse/calendar/*
  17. // @icon         https://www.google.com/s2/favicons?sz=64&domain=myfigurecollection.net
  18. // @license      MIT
  19. // @icon         https://www.google.com/s2/favicons?sz=64&domain=myfigurecollection.net
  20. // @license      MIT
  21. // @grant        GM.getValue
  22. // @grant        GM.setValue
  23. // ==/UserScript==
  24.  
  25. (async function () {
  26.     'use strict';
  27.  
  28.     /**
  29.      * Name of the class used for a tag indicator container.
  30.      * It should be not used on the page it's inserted to.
  31.      **/
  32.     var TAG_CLASSNAME = "us-tag";
  33.  
  34.     /**
  35.      * Name of the class that does not appear on the page.
  36.      * Used to return empty collections of nodes from functions.
  37.      **/
  38.     var FAKE_CLASS_PLACEHOLDER = "what-i-was-looking-for";
  39.  
  40.     /**
  41.      * A time in miliseconds to wait between requests for /entry pages.
  42.      * Too short time may results in "429 - Too many requests" error responses.
  43.      * Can be increased with REQUEST_DELAY_MULTIPLIER.
  44.      **/
  45.     var REQUEST_DELAY = 1000;
  46.  
  47.     /**
  48.      * A multipler that is used on REQUEST_DELAY when 429 response error is obtained.
  49.      * Should be over 1 to properly work.
  50.      **/
  51.     var REQUEST_DELAY_MULTIPLIER = 1.1;
  52.  
  53.     /**
  54.      * A time in seconds for how long the entry data saved in a cache is considered "fresh" and up to date.
  55.      * After the entry data is "rotten", it is removed from cache and may be replaced with new data.
  56.      **/
  57.     var CACHE_FRESH_SECONDS = 10 * 60;
  58.  
  59.     /**
  60.      * Map entries for tagCounterCache that are yet to be persisted in the extension storage.
  61.      **/
  62.     var CACHE_SAVE_ENTRIES = [];
  63.  
  64.     /**
  65.      * How many entries have to be added to the cache so the cache can be persisted in the extension storage.
  66.      * It requires using GM.getValue() and GM.setValue()
  67.      **/
  68.     var CACHE_SAVE_AFTER_SETTING_VALUES_ORDER = 5;
  69.  
  70.     /**
  71.      * A cache for tag count indicated in the entry page.
  72.      * It's a Map() consisted of:
  73.      * * keys: pathname of an entry page ("/entry/2")
  74.      * * values: object with fields:
  75.      * ** number: integer with number of tags on the entry page (24)
  76.      * ** updatedTime: timestamp of when the map was updated.
  77.      * Map entries may be deleted after time indicated in CACHE_FRESH_SECONDS.
  78.      **/
  79.     var tagCounterCache;
  80.  
  81.     function sleep(ms) {
  82.         return new Promise(resolve => setTimeout(resolve, ms));
  83.     };
  84.     async function getTagCounterCache() {
  85.         return new Map(Object.entries(
  86.                 JSON.parse(await GM.getValue('tagCounterCache', '{}'))));
  87.     };
  88.     async function saveTagCounterCache() {
  89.         var newTagCounterCache = await getTagCounterCache();
  90.         for (var entry of CACHE_SAVE_ENTRIES) {
  91.             newTagCounterCache.set(entry.key, entry.value);
  92.         }
  93.         GM.setValue('tagCounterCache', JSON.stringify(Object.fromEntries(newTagCounterCache)));
  94.         tagCounterCache = newTagCounterCache;
  95.         newTagCounterCache.length = 0; /* clear new data as they are persisted */
  96.     };
  97.     async function pushToTagCounterCache(url, tagCounter) {
  98.         if (tagCounter) {
  99.             var time = Date.now();
  100.             var entry = {
  101.                 key: url,
  102.                 value: {
  103.                     'number': tagCounter,
  104.                     'updatedTime': time
  105.                 }
  106.             };
  107.             tagCounterCache.set(entry.key, entry.value);
  108.             CACHE_SAVE_ENTRIES.push(entry);
  109.             if (CACHE_SAVE_ENTRIES.length % CACHE_SAVE_AFTER_SETTING_VALUES_ORDER == 0) {
  110.                 saveTagCounterCache();
  111.             }
  112.         }
  113.     };
  114.     function getTagCounterFromTagCounterCache(url) {
  115.         var tagCounterPair = tagCounterCache.get(url);
  116.         if (tagCounterPair == null) {
  117.             return 0;
  118.         }
  119.         var rottenPairDate = new Date(tagCounterPair.updatedTime);
  120.         rottenPairDate.setSeconds(rottenPairDate.getSeconds() + CACHE_FRESH_SECONDS);
  121.         if (rottenPairDate < Date.now()) {
  122.             tagCounterCache.delete(url);
  123.             return 0;
  124.         }
  125.         return tagCounterPair.number;
  126.     };
  127.     function addStyles() {
  128.         $("<style>")
  129.         .prop("type", "text/css")
  130.         .html("\
  131.             .item-icon ." + TAG_CLASSNAME + " {\
  132.             position: absolute;\
  133.             display: block;\
  134.             right: 1px;\
  135.             bottom: 1px;\
  136.             height: 16px;\
  137.             padding: 0 4px;\
  138.             font-weight: 700;\
  139.             color: gold;\
  140.             background-color: darkgreen\
  141.             }")
  142.         .appendTo("head");
  143.     };
  144.     function getEntryContainers() {
  145.         var pathname = window.location.pathname;
  146.         var search = window.location.search;
  147.         var searchParams = new URLSearchParams(search);
  148.         var tbParam = searchParams.get("_tb");
  149.         if (pathname.includes("/entry/") /* encyclopedia entry */
  150.             || pathname.includes("/browse.v4.php") /* search results with filters */
  151.             || pathname.includes("/browse/calendar/") /* calendar page */
  152.             || pathname.includes("/item/browse/calendar/") /* new calendar page */
  153.             || pathname.includes("/item/browse/figure/") /* new figures page */
  154.             || pathname.includes("/item/browse/goods/") /* new goods page */
  155.             || pathname.includes("/item/browse/media/") /* new media page */
  156.             || tbParam !== null) {
  157.             var result = $("#wide .result:not(.hidden)");
  158.             return result;
  159. 		}
  160.         console.log("unsupported getEntryContainers");
  161.         return $(FAKE_CLASS_PLACEHOLDER);
  162.     };
  163.     function isDetailedList() {
  164.         var search = window.location.search;
  165.         var searchParams = new URLSearchParams(search);
  166.         var outputParam = searchParams.get("output"); /* 0 - detailedList, 1,2 - grid, 3 - diaporama */
  167.         return outputParam == 0;
  168.     };
  169.     function getItemsFromContainer(entryContainer) {
  170.         var icons = $(entryContainer).find(".item-icons .item-icon");
  171.         if (icons.length > 0) {
  172.             return icons;
  173.         }
  174.         var pathname = window.location.pathname;
  175.         if (pathname.includes("/browse.v4.php") /* search page, detailed list view */
  176.              && isDetailedList()) {
  177.             return $(FAKE_CLASS_PLACEHOLDER);
  178.         }
  179.         console.log("unsupported getItemsFromContainer");
  180.         return $(FAKE_CLASS_PLACEHOLDER);
  181.     };
  182.     function getTagCounterFromHtml(html) {
  183.         var parser = new DOMParser();
  184.         var doc = parser.parseFromString(html, 'text/html');
  185.         var tagCounterNode = doc.querySelector('.tbx-target-TAGS .count');
  186.         return tagCounterNode.textContent;
  187.     };
  188.     function addTagCounterToSearchResult(itemLinkElement, countOfTags) {
  189.         var tagElement = document.createElement("span");
  190.         tagElement.setAttribute("class", TAG_CLASSNAME);
  191.         tagElement.textContent = countOfTags;
  192.         itemLinkElement.appendChild(tagElement);
  193.     };
  194.  
  195.     async function fetchAndHandle(queue) {
  196.         var resultQueue = [];
  197.         for (var itemElement of queue) {
  198.             var itemLinkElement = itemElement.firstChild;
  199.             var entryLink = itemLinkElement.getAttribute("href");
  200.  
  201.             fetch(entryLink, {
  202.                 headers: {
  203.                     "User-Agent": GM.info.script.name + " " + GM.info.script.version
  204.                 }
  205.             }).then(function (response) {
  206.                 if (response.ok) {
  207.                     return response.text();
  208.                 }
  209.                 return Promise.reject(response);
  210.             }).then(function (html) {
  211.                 var countOfTags = getTagCounterFromHtml(html);
  212.                 addTagCounterToSearchResult(itemLinkElement, countOfTags);
  213.                 pushToTagCounterCache(entryLink, countOfTags);
  214.             }).catch(function (err) {
  215.                 if (err.status == 429) {
  216.                     console.warn('Too many requests. Added the request to fetch later', err.url);
  217.                     resultQueue.push(itemElement);
  218.                     REQUEST_DELAY = REQUEST_DELAY * REQUEST_DELAY_MULTIPLIER;
  219.                     console.info('Increased delay to ' + REQUEST_DELAY);
  220.                 }
  221.             });
  222.             await sleep(REQUEST_DELAY);
  223.  
  224.         }
  225.         return resultQueue;
  226.     };
  227.     async function main() {
  228.         var cacheQueue = [];
  229.         var entryContainers = getEntryContainers();
  230.         entryContainers.each(function (i, entryContainer) {
  231.             var itemsElements = getItemsFromContainer(entryContainer);
  232.             itemsElements.each(function (i, itemElement) {
  233.                 cacheQueue.push(itemElement);
  234.             });
  235.         });
  236.  
  237.         var queue = [];
  238.         tagCounterCache = await getTagCounterCache();
  239.         for (var itemElement of cacheQueue) {
  240.             var itemLinkElement = itemElement.firstChild;
  241.             var entryLink = itemLinkElement.getAttribute("href");
  242.             var cache = getTagCounterFromTagCounterCache(entryLink);
  243.             if (cache > 0) {
  244.                 addTagCounterToSearchResult(itemLinkElement, cache);
  245.             } else {
  246.                 queue.push(itemElement);
  247.             }
  248.         }
  249.         while (queue.length) {
  250.             queue = await fetchAndHandle(queue);
  251.         }
  252.         saveTagCounterCache();
  253.  
  254.     };
  255.  
  256.     addStyles();
  257.     main();
  258. })();