Fav4Pawchive

Consistent Favorite Button for Pawchive Creator Pages

您需要先安装一款用户脚本管理器扩展,例如 Tampermonkey 篡改猴Greasemonkey 油猴子Violentmonkey 暴力猴,才能安装此脚本。

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

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

您需要先安装一款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         Fav4Pawchive
// @version      1
// @match        *://pawchive.pw/*
// @grant        GM_addStyle
// @run-at       document-end
// @description  Consistent Favorite Button for Pawchive Creator Pages
// @namespace    c0032
// @license      ohforfuckssakeidontcare
// ==/UserScript==

(function () {
    'use strict';

    GM_addStyle(`
        .restored-fav-btn {
            display: none !important;
            align-items: center;
            gap: 3px;
            padding: 0;
            margin: 0;
            background: #ff4081;
            color: white;
            border: none;
            border-radius: 3px;
            font-size: 14px;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.2s;
            position: absolute;
            left: 50%;
            top: 0;
            transform: translateX(-50%);
            z-index: 99999;
        }
        .restored-fav-btn.visible { display: inline-flex !important; }
        .restored-fav-btn:hover { background: #f50057; transform: translateX(-50%) scale(1.05); }
        .restored-fav-btn.faved { background: #4caf50; }
        .restored-fav-btn.faved:hover { background: #388e3c; }
    `);

    const state = {
        service: null,
        id: null,
        isFaved: false,
        isFetching: false
    };

    const btn = document.createElement('button');
    btn.className = 'restored-fav-btn';
    document.body.appendChild(btn);

    btn.addEventListener('click', async () => {
        if (!state.service || !state.id || state.isFetching) return;

        const method = state.isFaved ? 'DELETE' : 'POST';
        const url = `/api/v1/favorites/creator/${state.service}/${state.id}`;
        state.isFetching = true;

        try {
            const res = await fetch(url, {
                method,
                credentials: 'include',
                headers: { 'Content-Type': 'application/json' }
            });

            if (res.ok || res.status === 204) {
                state.isFaved = !state.isFaved;
                render();
            } else {
                alert(`Failed (${res.status}). Are you logged in?`);
            }
        } catch (e) {
            console.error('Toggle failed', e);
        } finally {
            state.isFetching = false;
        }
    });

    function render() {
        if (!state.service || !state.id) {
            btn.classList.remove('visible');
            return;
        }
        btn.classList.add('visible');
        btn.textContent = state.isFaved ? '★ Unfavorite' : '☆ Favorite';
        btn.classList.toggle('faved', state.isFaved);
    }

    async function checkStatus() {
        if (!state.service || !state.id) return;

        const currentKey = `${state.service}/${state.id}`;
        state.isFetching = true;

        try {
            const res = await fetch(`/api/v1/account/favorites?type=artist`, { credentials: 'include' });
            if (!res.ok) throw new Error();
            const data = await res.json();

            if (currentKey !== `${state.service}/${state.id}`) return;

            state.isFaved = data.some(item =>
                item.service === state.service &&
                (String(item.id) === state.id || String(item.relation_id) === state.id)
            );
            render();
        } catch (e) {
            console.warn('Check status failed', e);
        } finally {
            state.isFetching = false;
        }
    }

    function handleNavigation() {
        const match = window.location.pathname.match(/^\/([^/]+)\/user\/([^/]+)/);
        const newService = match ? match[1] : null;
        const newId = match ? match[2] : null;

        if (state.service !== newService || state.id !== newId) {
            state.service = newService;
            state.id = newId;
            state.isFaved = false;

            render();
            checkStatus();
        } else if (!document.body.contains(btn)) {
            document.body.appendChild(btn);
        }
    }

    const originalPushState = history.pushState;
    history.pushState = function() {
        originalPushState.apply(this, arguments);
        handleNavigation();
    };

    const originalReplaceState = history.replaceState;
    history.replaceState = function() {
        originalReplaceState.apply(this, arguments);
        handleNavigation();
    };

    window.addEventListener('popstate', handleNavigation);

    handleNavigation();
})();