ChatGPT请求计数器

记录ChatGPT各个模型的调用情况

// ==UserScript==
// @name         ChatGPT请求计数器
// @namespace    http://tampermonkey.net/
// @version      0.7
// @description  记录ChatGPT各个模型的调用情况
// @author       muzi
// @icon         https://chat.openai.com/favicon.ico
// @match        https://chat.openai.com/
// @match        https://chat.openai.com/?model=*
// @match        https://chat.openai.com/c/*
// @match        https://chat.openai.com/g/*
// @match        https://chat.openai.com/gpts/*
// @match        https://chatgpt.com/
// @match        https://chatgpt.com/?model=*
// @match        https://chatgpt.com/c/*
// @match        https://chatgpt.com/g/*
// @match        https://chatgpt.com/gpts
// @match        https://chatgpt.com/gpts/*
// @match        https://chatgpt.com/share/*
// @match        https://chatgpt.com/share/*/continue
// @grant        none
// @run-at       document-end
// @license MIT
// ==/UserScript==

/*
1. 监听 fetch 函数调用
当 request_url=https://chat.openai.com/backend-api/conversation && request_method=POST 时,解析 post body 并记录其中的 model 字段

a. 从 localStorage 中读取 model_request_mapping,如果没有则创建一个空的 model_mapping
b. 写入数据 key 为 model,value 为每次调用的时间戳列表,存储到 localStorage 中

2. 记录模型调用次数
- 当天所有模型调用次数
- 当天 GPT-4 调用次数
- 剩余 GPT-4 调用次数(比如每3小时50条)

3. 支持导出数据
- 以 json 格式导出 model_request_mapping 数据

4. 支持自定义配置
a. 缓存时间,超过缓存时间的数据自动清理,避免 localStorage 过大

5. 支持记录模型生成的 token 数量
*/

/*
2024-04-16 ChangeLog
增加对 auto 模式的统计
*/

(function () {
    "use strict";

    const LIMIT_HOURS = 3; // 自定义配置:缓存时间
    const GPT4_LIMIT = 40; // 自定义配置:GPT-4 调用限制
    const panelHTML = `<div id="chatgpt-counter-panel"class="flex flex-col gap-1 border-t border-black/20 pt-2 empty:hidden gizmo:border-t-0 gizmo:border-token-border-light dark:border-white/20"><div class="flex w-full items-center"><div class="grow"><div class="group relative"data-headlessui-state=""><button class="flex w-full max-w-[100%] items-center gap-2 rounded-lg p-2 text-sm hover:bg-token-sidebar-surface-secondary group-ui-open:bg-token-sidebar-surface-secondary"id="chatgpt-counter-panel-export"type="button"aria-haspopup="true"aria-expanded="false"data-headlessui-state=""><div class="flex-shrink-0"><div class="flex items-center justify-center rounded gizmo:overflow-hidden"><div class="relative flex"><svg width="24"height="24"viewBox="0 0 41 41"fill="none"xmlns="http://www.w3.org/2000/svg"class="h-2/3 w-2/3"role="img"><text x="-9999"y="-9999">ChatGPT</text><path d="M37.5324 16.8707C37.9808 15.5241 38.1363 14.0974 37.9886 12.6859C37.8409 11.2744 37.3934 9.91076 36.676 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    var originalFetch = window.fetch;
    console.info("ChatGPTRequestCounter loaded");
    window.fetch = function (url, options) {
        // 重构:将条件逻辑提取到单独的函数中
        processRequest(url, options);

        // 调用原始的fetch函数
        return originalFetch.apply(this, arguments);
    };

    function processRequest(url, options) {
        if (
            url.includes("/backend-api/conversation") &&
            options &&
            options.method === "POST"
        ) {
            logRequest(options);
        } else if (
            url.includes("discovery.json") ||
            url.includes("gizmos/g-") ||
            url.includes("_next/data") ||
            url.includes("backend-api/conversation")
        ) {
            safeUpdateCount();
        } else if (
            url.endsWith("lat/r") &&
            options &&
            options.method === "POST"
        ) {
            logTokenNum(options);
        }
    }
    function logRequest(options) {
        processData(options, "model_request_mapping");
    }

    function logTokenNum(options) {
        processData(options, "tokenStatistics", (data) => ({
            time: Date.now(),
            response_tokens: data.count_tokens,
        }));
    }

    function processData(
        options,
        storageKey,
        dataMappingFn = (data) => Date.now()
    ) {
        try {
            const requestData = JSON.parse(options.body);
            if (requestData.model) {
                let storageData = JSON.parse(
                    localStorage.getItem(storageKey) || "{}"
                );
                if (!storageData[requestData.model]) {
                    storageData[requestData.model] = [];
                }
                storageData[requestData.model].push(dataMappingFn(requestData));
                localStorage.setItem(storageKey, JSON.stringify(storageData));
                safeUpdateCount();
            }
        } catch (err) {
            console.error("Error processing request:", err);
        }
    }

    function safeUpdateCount() {
        try {
            updateCount();
        } catch (err) {
            console.error("Error logging ChatGPT request:", err);
        }
    }

    function logDailyTokenCount() {
        const today = new Date().toDateString(); // 获取当天日期字符串
        let tokenStatistics = JSON.parse(
            localStorage.getItem("tokenStatistics") || "{}"
        );
        let dailyTokenCount = {};

        for (let model in tokenStatistics) {
            dailyTokenCount[model] = tokenStatistics[model]
                .filter(
                    (entry) => new Date(entry.time).toDateString() === today
                ) // 筛选当天的数据
                .reduce((total, entry) => total + entry.response_tokens, 0); // 累加token数量
        }

        return dailyTokenCount;
    }

    function countRequests() {
        let gpt4_recent = 0;
        let gpt4_today = 0;
        let all_models_today = 0;
        let dynamic_today = 0;
        let dynamic_recent = 0;

        const cutoffTime = Date.now() - LIMIT_HOURS * 60 * 60 * 1000;
        const todayCutOffTime = new Date().setHours(0, 0, 0, 0);

        const originalMapping = JSON.parse(
            localStorage.getItem("model_request_mapping") || "{}"
        );
        const model_request_mapping = JSON.parse(
            JSON.stringify(originalMapping)
        ); // deep copy

        for (let model in model_request_mapping) {
            const todayRequests = model_request_mapping[model].filter(
                (timestamp) => timestamp > todayCutOffTime
            );
            all_models_today += todayRequests.length;

            if (model.startsWith("gpt-4")) {
                gpt4_today += todayRequests.length;

                const recentRequests = todayRequests.filter(
                    (timestamp) => timestamp > cutoffTime
                );
                gpt4_recent += recentRequests.length;
            }

            // 新增处理 auto 开头的模型
            if (model.startsWith("auto")) {
                dynamic_today += todayRequests.length;

                const recentRequests = todayRequests.filter(
                    (timestamp) => timestamp > cutoffTime
                );
                dynamic_recent += recentRequests.length;
            }
        }

        return {
            all_models_today,
            gpt4_today,
            gpt4_recent,
            dynamic_today, // 新增
            dynamic_recent, // 新增
        };
    }

    // 插入展示面板
    function insertPanel(panelHTML, exportData) {
        // 避免重复插入
        if (document.querySelector("#chatgpt-counter-panel")) {
            console.log("Panel already inserted.");
            return;
        }

        // 目标选择器
        const targetSelector =
            ".flex.flex-col.pt-2.empty\\:hidden.dark\\:border-white\\/20";
        console.log("Looking for profileDiv at:", targetSelector);

        // 使用 MutationObserver 观察 DOM 变化
        const observer = new MutationObserver((mutations, obs) => {
            const profileDiv = document.querySelector(targetSelector);

            if (profileDiv) {
                // 避免重复插入
                if (document.querySelector("#chatgpt-counter-panel")) {
                    console.log("Panel already inserted.");
                    obs.disconnect(); // 停止观察
                    return;
                }

                // 插入面板的 HTML
                console.log("Inserting panel at:", targetSelector);
                profileDiv.insertAdjacentHTML("afterbegin", panelHTML);

                // 添加导出按钮的事件监听器
                const exportButton = document.getElementById(
                    "chatgpt-counter-panel-export"
                );
                if (exportButton) {
                    exportButton.removeEventListener("click", exportData);
                    exportButton.addEventListener("click", exportData);
                }

                // 停止观察
                obs.disconnect();

                // 延迟更新计数,确保面板已插入
                setTimeout(updateCount, 500);
            } else {
                console.warn(
                    "Target profileDiv not found. Waiting for further mutations..."
                );
            }
        });

        // 观察整个文档的子节点变化
        observer.observe(document, {
            childList: true,
            subtree: true,
        });
    }

    // 更新展示面板数值
    function updateCount() {
        const counts = countRequests();
        const all_models_today = counts.all_models_today;
        const gpt4_today = counts.gpt4_today;
        const dynamic_today = counts.dynamic_today;
        const remaining =
            GPT4_LIMIT - counts.gpt4_recent - counts.dynamic_recent;

        // 如果面板不存在,插入面板
        insertPanel(panelHTML, exportData);

        // 安全地更新元素的文本内容
        const updateTextContent = (id, text) => {
            const element = document.getElementById(id);
            if (element) {
                element.textContent = text;
            } else {
                console.error(`Element with ID '${id}' not found. waiting...`);
            }
        };

        updateTextContent("total", all_models_today);
        updateTextContent("gpt-4", gpt4_today);
        updateTextContent("dynamic", dynamic_today);
        updateTextContent("remain", remaining);
    }
    // 创建导出功能
    function exportData() {
        // 获取当天的Token计数
        const dailyTokenCount = logDailyTokenCount();
        const tokenCountMessage =
            "今日模型输出统计:\n" + JSON.stringify(dailyTokenCount, null, 2);

        // 询问用户是否下载请求记录,同时展示Token计数
        const userConfirmed = confirm(
            tokenCountMessage + "\n\n是否下载请求记录?"
        );
        if (userConfirmed) {
            // 用户选择“确定”,触发下载
            const dataStr =
                "data:text/json;charset=utf-8," +
                encodeURIComponent(
                    localStorage.getItem("model_request_mapping")
                );
            const downloadAnchorNode = document.createElement("a");
            downloadAnchorNode.setAttribute("href", dataStr);
            downloadAnchorNode.setAttribute(
                "download",
                "model_request_mapping.json"
            );
            document.body.appendChild(downloadAnchorNode);
            downloadAnchorNode.click();
            downloadAnchorNode.remove();
        }
    }
    // every 5 minutes update count
    setInterval(() => {
        updateCount();
    }, 5 * 60 * 1000);
    updateCount();
})();