User:Lihp/js/batch-watch.js

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"use strict";
 
const STYLE_SHEET = `
    #batch-watch-result-container {
        height: 400px;
        width: max(80%, 400px);
        overflow: scroll;
        display: flex;
        flex-direction: column-reverse;
        border: 2px solid #2c56a3;
        border-radius: 5px;
    }`;
 
const download = (filename, text) => {
    const element = document.createElement('a');
    element.setAttribute('href', 'data:text/plain;charset=utf-8,' + encodeURIComponent(text));
    element.setAttribute('download', filename);
 
    element.style.display = 'none';
    document.body.appendChild(element);
 
    element.click();
 
    document.body.removeChild(element);
};
 
const download_existing_watch_list = async () => {
    const BATCH_COUNT = 500;
    let offset = 0;
    let result = [];
    const api = new mw.Api();
    const result_object = $("#batch-watch-result")
    let cont = "";
    while (true) {
        result_object.append(`<p>正在获取监视列表的第${offset + 1}个至第${offset + BATCH_COUNT}个页面</p>`);
        let response;
        try {
            let params = {
                'action': 'query',
                'format': 'json',
                'generator': 'watchlistraw',
                'gwrlimit': BATCH_COUNT,
                'gwrnamespace': '*'
            };
            if (cont !== '') {
                params.gwrcontinue = cont;
            }
            response = await api.postWithToken('csrf', params);
        } catch (e) {
            result_object.append(`<p>出错了。问题见控制台。</p>`);
            console.error(e);
            return;
        }
        const pages = response['query']['pages'];
        for (let page_id in pages) {
            const page = pages[page_id]
            if (page['missing'] === undefined) {
                result.push(page['title']);
                offset += 1
            }
        }
        if (response['continue'] === undefined) {
            break;
        } else {
            cont = response['continue']['gwrcontinue'];
        }
        // TODO: sleep here
    }
    result_object.append('<p>开始下载名为"监视列表.txt"的文件</p>');
    download("监视列表.txt", result.join("\n"));
};
 
const manipulate_watch_list = (watch) => {
    const cat = $('#batch-watch-cat').val();
    const ns = $('#batch-watch-ns').val();
    const api = new mw.Api();
    const result_object = $("#batch-watch-result");
    let counter = 0;
 
    const watch_function = (cont) => {
        api.postWithToken('watch', {
            'action': 'watch',
            'format': 'json',
            'unwatch': !watch,
            'generator': 'categorymembers',
            'gcmlimit': 500,
            'gcmnamespace': ns,
            'gcmtitle': cat,
            'gcmcontinue': cont
        }).then(
            (response) => {
                for (let index in response['watch']) {
                    const page = response['watch'][index];
                    const title = page['title'];
                    result_object.append(`<p>已将页面<a href="/${title}">${title}</a>${watch ? '加入' : '移出'}监视列表</p>`);
                    counter += 1;
                    // TODO: sleep here
                }
                const cont = response['continue'];
                if (cont !== undefined && cont['gcmcontinue'] !== undefined) {
                    watch_function(cont['gcmcontinue']);
                } else {
                    result_object.append(`<p>操作完成。总共处理了${counter}个页面。</p>`);
                }
            },
            (error) => {
                console.log(error);
                result_object.append(`<p>出错了，问题见控制台。</p>`);
            }
        );
    };
 
    watch_function("");
}
 
const add_to_watch_list = () => {
    manipulate_watch_list(true);
};
 
const remove_from_watch_list = () => {
    manipulate_watch_list(false);
};
 
const start = () => {
    $(document).prop('title', '批量监视小工具');
    $('h1').text("批量监视小工具");
    // $('head').append(STYLE_SHEET);
    mw.util.addCSS(STYLE_SHEET);
 
    const body = $("#bodyContent");
    body.html(
        "<p>由于对监视列表的操作难以撤销，强烈建议您在使用本工具前下载您的监视列表作为备份。" +
        "如果误操作，可以前往<a href='/Special:编辑监视列表/raw'>编辑监视列表</a>恢复。</p>");
 
    const download_button = $("<button></button>").text("下载监视列表");
    download_button.click("click", download_existing_watch_list);
    body.append(download_button);
 
    body.append("<hr>");
 
    const form = $("<form></form>").attr('id', 'batch-watch-form');
    form.append($("<label></label>").attr('for', 'batch-watch-cat').text('分类：'));
    form.append($("<input/>").attr('id', 'batch-watch-cat').val('Category:'));
    form.append($("<label></label>").attr('for', 'batch-watch-ns').text('名字空间：'));
    form.append($("<input/>").attr('id', 'batch-watch-ns').val('0'));
    body.append(form);
    body.append('<p>注：填写分类时请保留"Category:"，否则会出错。0指的是主名字空间。如需访问位于所有名字空间的页面，请使用"*"。</p>')
 
    body.append('<p>确保以上信息无误后，请点击下面的按钮批量操作</p>');
 
    const add_button = $("<button></button>").text("添加至监视列表").css('margin-right', '10px');
    add_button.click("click", add_to_watch_list);
    body.append(add_button);
 
    const remove_button = $("<button></button>").text("从监视列表移除");
    remove_button.click("click", remove_from_watch_list);
    body.append(remove_button);
 
    const result_wrapper = $("<div></div>")
        .attr('id', 'batch-watch-result-container')
    const result = $("<div></div>").attr("id", "batch-watch-result").append('<p>小工具加载完毕。</p>');
    result_wrapper.append(result);
    body.append(result_wrapper);
};
 
const BATCH_WATCH_TITLES = new Set(["batchwatch", "watch", "监视", "批量监视"]);
if (mw.config.get('wgNamespaceNumber') === -1 && BATCH_WATCH_TITLES.has(mw.config.get('wgTitle').toLowerCase())) {
    console.log("Running batch watch...");
    start();
}

User:Lihp/js/batch-watch.js

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