ChatWork Export Chat

export-chat.js

var output = '';
function toYMDHMS(timestamp) {
    var a = new Date(timestamp * 1000);
    var year = a.getFullYear();
    var month = ('0' + (a.getMonth() + 1)).slice(-2);
    var date = ('0' + a.getDate()).slice(-2);
    var hour = a.getHours();
    var minute = a.getMinutes();
    var second = a.getSeconds();
    return year + '/' + month + '/' + date + ' ' + hour + ':' + minute + ':' + second;
}
function download(text, name, type) {
    var a = document.createElement("a");
    var file = new Blob([text], {type: type});
    a.href = URL.createObjectURL(file);
    a.download = name;
    a.click();
}
function fetchChat(user_id, room_id, start_chat_id, contacts, token) {
    $.getJSON('https://kcw.kddi.ne.jp/gateway.php', {
        cmd: 'load_old_chat',
        myid: user_id,
        room_id: room_id,
        first_chat_id: start_chat_id,
        ln: 'en',
        _t: token
    }).done(function(json) {
        var last_chat_id = null;
        $.each(json.result.chat_list, function(key, chat) {
            if (contacts[chat.aid] != undefined) {
                account_name = contacts[chat.aid]['name'];
            } else {
                account_name = 'Unknown Account';
            }
            output = toYMDHMS(chat.tm) + '\n' + account_name + '\n' + chat.msg + "\n----------\n" + output;
            last_chat_id = chat.id;
        });
        if (last_chat_id != null) {
            console.log(last_chat_id);
            fetchChat(user_id, room_id, last_chat_id, contacts, token);
        } else {
            download(output, 'cw' + room_id + '.txt', 'text/plain;charset=utf-8');
        }
    });
}
$.ajax({
    dataType: 'json',
    url: 'https://kcw.kddi.ne.jp/gateway.php',
    data: {
        cmd: 'get_contact_list',
        _t: ACCESS_TOKEN
    },
    success: function(json) {
        fetchChat(myid, $('.chatTimeLine .chatTimeLineMessage').last().data('rid'), $('.chatTimeLine .chatTimeLineMessage').last().data('mid') + '1', json.result.contact_dat, ACCESS_TOKEN);
    }
});