4chan-IDficator

Allow users to bring IDs into boards that does not have them.

您需要先安装一个扩展,例如 篡改猴Greasemonkey暴力猴,之后才能安装此脚本。

You will need to install an extension such as Tampermonkey to install this script.

您需要先安装一个扩展,例如 篡改猴暴力猴,之后才能安装此脚本。

您需要先安装一个扩展,例如 篡改猴Userscripts ,之后才能安装此脚本。

您需要先安装一款用户脚本管理器扩展,例如 Tampermonkey,才能安装此脚本。

您需要先安装用户脚本管理器扩展后才能安装此脚本。

(我已经安装了用户脚本管理器,让我安装!)

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

(我已经安装了用户样式管理器,让我安装!)

// ==UserScript==
// @name        4chan-IDficator
// @namespace   Violentmonkey Scripts
// @match       *://boards.4chan.org/*
// @grant       none
// @version     0.51
// @author      Doomkek
// @include     http://boards.4chan.org/*
// @include     https://boards.4chan.org/*
// @include     http://sys.4chan.org/*
// @include     https://sys.4chan.org/*
// @include     http://www.4chan.org/*
// @include     https://www.4chan.org/*
// @include     http://boards.4channel.org/*
// @include     https://boards.4channel.org/*
// @include     http://sys.4channel.org/*
// @include     https://sys.4channel.org/*
// @include     http://www.4channel.org/*
// @include     https://www.4channel.org/*
// @connect     https://giggers.moe
// @description Allow users to bring IDs into boards that does not have them.
// @license     MIT
// @homepageURL https://github.com/doomkek/4chan-IDficator
// ==/UserScript==

(function () {
    var SERVICE_URL = "https://giggers.moe";
    var IS_4CHANX = false;
    var menuNode;

    const config = {
        USE_ID: true,

        saveConfig: function () { localStorage.setItem("4chan-id.config", JSON.stringify(config)); },
        loadConfig: () => {
            var conf = JSON.parse(localStorage.getItem("4chan-id.config"))
            if (!conf)
                return;

            for (const key in config) {
                if (conf.hasOwnProperty(key)) {
                    config[key] = conf[key];
                }
            }
        },
    };

    const filters = {
        hiddenIDs: [],
        saveFilters: () => {
            var storageFilters = JSON.parse(localStorage.getItem("4chan-id.filters"));
            if (storageFilters == null) {
                localStorage.setItem("4chan-id.filters", JSON.stringify(filters.hiddenIDs));
            } else {
                var otherFilters = storageFilters.filter(p => p.boardId != thread.boardId && p.threadId != thread.threadId);
                localStorage.setItem("4chan-id.filters", JSON.stringify(otherFilters.concat(filters.hiddenIDs)));
            }
        },
        loadFilters: () => {
            var storageFilters = JSON.parse(localStorage.getItem("4chan-id.filters"));
            if (storageFilters != null) { //                                                                                                        2 weeks 
                filters.hiddenIDs = storageFilters.filter(p => p.boardId == thread.boardId && p.threadId == thread.threadId && Date.now() - p.ts < 14 * 24 * 60 * 60 * 1000);
            }
        },
        addFilter: (userId) => {
            if (filters.isUserIdFiltered(userId))
                return;

            filters.hiddenIDs.push({ boardId: thread.boardId, threadId: thread.threadId, userId: userId, ts: Date.now() });
            filters.saveFilters();
        },
        removeFilter: (userId) => {
            var index = filters.hiddenIDs.findIndex(p => p.userId == userId);
            if (index != -1) {
                filters.hiddenIDs.splice(index, 1);
                filters.saveFilters();
            }
        },
        isUserIdFiltered: (userId) => filters.hiddenIDs.some(p => p.userId == userId),
        changePostHideState: function (postId, hide) {
            if (IS_4CHANX) {
                var post = document.getElementById('sa' + postId);
                if (hide && document.getElementById('pc' + postId).querySelector('.stub') == null || !hide && document.getElementById('pc' + postId).querySelector('.stub') != null)
                    document.getElementById('sa' + postId).querySelector('.hide-reply-button').click();
            } else {
                var post = document.getElementById('pc' + postId);
                if (hide && !post.classList.contains("post-hidden") || !hide && post.classList.contains("post-hidden"))
                    post.classList.toggle("post-hidden");
            }
        }
    };

    const thread = {
        boardId: Main.board,
        threadId: Main.tid,
        posts: [],

        init: function () {
            config.loadConfig();
            filters.loadFilters();
            menu.createMenu();
            api.getShitposts(data => thread.applyShitposts(data));
        },

        getPostById: (postId) => thread.posts.find(p => p.postId == postId),
        getPostsByUserId: (userId) => thread.posts.filter(p => p.userId == userId),

        applyShitposts: function (data) {
            //TODO: need to check all local posts as well, because one of them could've been deleted on server side 
            for (var i = 0; i < data.length; i++) {
                var { postId: postId, userHash: userId } = data[i];
                var post = thread.getPostById(postId);
                if (!post) {
                    post = {
                        postId,
                        userId,
                        // this element could be missing sometimes, because giggers service is faster than 4chan
                        // that lead to scrip thinking that this post already exists in DOM because giggers service told so 
                        // but it does not, so have to check it every time before using it
                        rootElement: document.getElementById('pc' + postId),
                        idElement: null,
                        setIdElement: function (element) {
                            if (!this.rootElement)
                                return;

                            var p = this.rootElement.querySelector('.postNum.desktop');
                            p.insertAdjacentElement('afterend', this.idElement = element);
                        },
                        scrollIntoView: function () {
                            if (!this.rootElement)
                                return;

                            this.idElement.scrollIntoView({ behavior: 'instant', block: 'center' })
                        },
                        showMenu: function () {
                            menuNode.id = "menu_" + this.postId + "_" + this.userId;
                            menuNode.style.left = Math.round(this.idElement.getBoundingClientRect().left) + "px";
                            this.idElement.insertAdjacentElement('afterend', menuNode);
                        },
                        isHidden: function () {
                            if (!this.rootElement)
                                return true;

                            if (this.rootElement.querySelector('.stub'))
                                return true;

                            if (this.rootElement.classList.contains('post-hidden'))
                                return true;

                            if (this.rootElement.hasAttribute('hidden'))
                                return true;

                            return false;
                        }
                    }

                    thread.posts.push(post);
                    thread.applyId(post);
                } else if (!post.rootElement) {
                    post.rootElement = document.getElementById('pc' + postId);
                    thread.applyId(post);
                }

                if (filters.isUserIdFiltered(userId))
                    filters.changePostHideState(postId, true);
            }
        },
        applyId: function (post) {
            var a = document.createElement('span');
            a.id = "shitpost_" + post.postId
            a.className = post.userId;
            a.innerText = post.userId;
            a.style.backgroundColor = "#" + post.userId;
            a.style.color = "white";
            a.style.textShadow = "black 0.5px 0.5px";
            a.style.marginLeft = "4px";
            a.style.cursor = "pointer";
            a.style.paddingRight = a.style.paddingLeft = "6px";
            a.style.borderRadius = "10px";

            a.onmouseenter = function (e) {
                var posts = thread.getPostsByUserId(post.userId);
                a.title = posts.length + (posts.length > 1 ? " posts" : " post") + " by this ID";
            };

            a.onmouseleave = function (e) { a.title = ""; };

            a.onclick = function (e) {
                post.showMenu();

                if (menuNode.style.display == "block") {
                    menuNode.style.display = "none";
                    document.removeEventListener('click', menu.handleMenuClick);
                } else {
                    menuNode.style.display = "block";
                    document.addEventListener('click', menu.handleMenuClick);
                }
            };

            post.setIdElement(a);
        }
    };

    const menu = {
        createMenu: function () {
            if (menuNode)
                menuNode.remove();

            menuNode = document.createElement('div');
            menuNode.style.width = "80px";
            menuNode.style.position = "absolute";
            menuNode.style.boxShadow = "0 1px 2px rgba(0, 0, 0, .15)";
            menuNode.style.background = IS_4CHANX ? "var(--fcsp-background)" : "#b7c5d9";
            menuNode.style.color = IS_4CHANX ? "var(--fcsp-text)" : "#000";
            menuNode.style.border = IS_4CHANX ? "1px solid var(--fcsp-border)" : "1px solid #b7c5d9";
            menuNode.style.display = "none";
            menuNode.getPostId = function () { return menuNode.id.split('_')[1]; }
            menuNode.getUserId = function () { return menuNode.id.split('_')[2]; }

            menu.insertMenuItem("Highlight", function () {
                var posts = document.getElementsByClassName(menuNode.getUserId());
                for (var i = 0; i < posts.length; i++) {
                    var parentId = posts[i].id.split('_')[1];
                    var parent = document.getElementById('p' + parentId);
                    parent.classList.toggle("highlight");
                }
            });

            menu.insertMenuItem("↑ Prev", function () {
                var id = menuNode.getPostId();
                var posts = thread.getPostsByUserId(menuNode.getUserId());
                for (var i = posts.length - 1; i >= 0; i--) {
                    if (i == 0) {
                        var nextPost = posts.findLast(p => !p.isHidden());
                        if (nextPost) {
                            nextPost.showMenu();
                            nextPost.scrollIntoView();
                        }
                    }

                    if (posts[i].isHidden()) {
                        continue;
                    }

                    if (posts[i].postId < id) {
                        posts[i].showMenu();
                        posts[i].scrollIntoView();
                        break;
                    }
                }
            });

            menu.insertMenuItem("↓ Next", function () {
                var postId = menuNode.getPostId();
                var posts = thread.getPostsByUserId(menuNode.getUserId());
                for (var i = 0; i < posts.length; i++) {
                    if (i + 1 == posts.length) {
                        var nextPost = posts.find(p => !p.isHidden());
                        if (nextPost) {
                            nextPost.showMenu();
                            nextPost.scrollIntoView();
                        }
                    }

                    if (posts[i].isHidden()) {
                        continue;
                    }

                    if (posts[i].postId > postId) {
                        posts[i].showMenu();
                        posts[i].scrollIntoView();
                        break;
                    }
                }
            });

            var toggleHide = function (hide) {
                var userId = menuNode.getUserId();
                var posts = thread.getPostsByUserId(userId);

                if (hide) {
                    filters.addFilter(userId);
                } else {
                    filters.removeFilter(userId);
                }

                for (var i = 0; i < posts.length; i++) {
                    filters.changePostHideState(posts[i].postId, hide);
                }
            }

            menu.insertMenuItem("Hide ID", () => { toggleHide(true); menuNode.style.display = "none"; });
            menu.insertMenuItem("Unhide ID", () => { toggleHide(false); menuNode.style.display = "none"; });
        },
        handleMenuClick: function (e) {
            if (!e.target.id.startsWith('shitpost_') && !e.target.id.startsWith('menu_item_') && menuNode.style.display == "block" && e.target != menuNode) {
                menuNode.style.display = "none";
                document.removeEventListener('click', menu.handleMenuClick);
            }
        },
        insertMenuItem: function (name, handler) {
            var menuItem = document.createElement('div');
            menuItem.innerText = name;
            menuItem.id = "menu_item_" + name.replace(' ', '');
            menuItem.style.height = IS_4CHANX ? "21px" : "18px";
            menuItem.style.cursor = "pointer";
            menuItem.style.paddingLeft = "4px";
            menuItem.style.color = IS_4CHANX ? "var(--fcsp-text)" : "#000";
            menuItem.style.background = IS_4CHANX ? "var(--fcsp-background)" : "#d6daf0";
            menuItem.style.userSelect = "none";

            menuItem.addEventListener('mouseover', function () { menuItem.style.background = IS_4CHANX ? "var(--fcsp-border)" : "#eef2ff"; });
            menuItem.addEventListener('mouseout', function () { menuItem.style.background = IS_4CHANX ? "var(--fcsp-background)" : "#d6daf0"; });
            menuItem.addEventListener('click', handler);

            menuNode.appendChild(menuItem);
        }
    };

    const api = {
        getShitposts: function (callback) {
            const url = `${SERVICE_URL}/getShitposts/${thread.boardId}/${thread.threadId}`;

            fetch(url, { method: 'GET', headers: { 'Content-Type': 'application/json' } })
                .then(response => response.json())
                .then(data => callback(data));
        },
        addPost: function (postId) {
            if (!config.USE_ID)
                return;

            fetch(`${SERVICE_URL}/addPost?boardId=${thread.boardId}&threadId=${thread.threadId}&postId=${postId}`, { method: 'POST' });
        }
    };

    const utils = {};

    document.addEventListener('4chanXInitFinished', function (e) {
        IS_4CHANX = true;
        thread.init();
    });

    document.addEventListener('4chanThreadUpdated', function (e) { api.getShitposts(data => thread.applyShitposts(data)); });
    document.addEventListener('ThreadUpdate', function (e) {
        // can't think of a better way to detect 4chanX userscript
        //TODO: need to react to this change, like if it was false but now true then reinit menu? is it enough?
        if (!IS_4CHANX && (IS_4CHANX = document.getElementsByClassName('fcsp-chan-x-controls').length > 0)) {
            console.log("4chan-x detected");
            menu.createMenu();
        }

        if (e.detail.newPosts.length == 0)
            return;
        api.getShitposts(data => thread.applyShitposts(data));
    });

    document.addEventListener('QRPostSuccessful', function (e) { api.addPost(e.detail.postID); });
    document.addEventListener('4chanQRPostSuccess', function (e) { api.addPost(e.detail.postId); });

    // need for tracking non 4chan-x QR being added to the DOM
    var doom = function (e) {
        if (e.target.id != "quickReply")
            return;

        var cbID = document.createElement('span');
        cbID.id = 'cbID';
        cbID.innerHTML = '<label>[<input type="checkbox" checked="' + config.USE_ID + '" name="cbID">Use ID?]</label>';
        cbID.addEventListener("change", function (e) {
            config.USE_ID = cbID.querySelector('input').checked;
            config.saveConfig();
        });
        e.target.querySelector('#qrSpoiler').insertAdjacentElement('afterend', cbID);
        cbID.querySelector('input').checked = config.USE_ID;
    };

    document.addEventListener('QRDialogCreation', function (e) {
        var cbID = document.createElement('label');
        cbID.id = 'cbID';
        cbID.innerHTML = '<input type="checkbox" checked="' + config.USE_ID + '" name="cbID">Use ID?</input>';
        cbID.addEventListener("change", function (e) {
            config.USE_ID = cbID.querySelector('input').checked;
            config.saveConfig();
        });

        e.target.querySelector('.move').appendChild(cbID);
        cbID.querySelector('input').checked = config.USE_ID;
        document.getElementsByTagName('body')[0].removeEventListener('DOMNodeInserted', doom);
    });

    document.getElementsByTagName('body')[0].addEventListener("DOMNodeInserted", doom);

    thread.init();
})();