4chan-IDficator

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

您需要先安裝使用者腳本管理器擴展,如 TampermonkeyGreasemonkeyViolentmonkey 之後才能安裝該腳本。

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

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyViolentmonkey 後才能安裝該腳本。

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyUserscripts 後才能安裝該腳本。

你需要先安裝一款使用者腳本管理器擴展,比如 Tampermonkey,才能安裝此腳本

您需要先安裝使用者腳本管理器擴充功能後才能安裝該腳本。

(我已經安裝了使用者腳本管理器,讓我安裝!)

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

(我已經安裝了使用者樣式管理器,讓我安裝!)

// ==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();
})();