GMail Snoozes for Mailbox

gistfile1.js

var MARK_UNREAD = true;
var ADD_UNSNOOZED_LABEL = true;

function do_setup() {
    GmailApp.createLabel("[Mailbox]");
    GmailApp.createLabel("[Mailbox]/Later Today");
    GmailApp.createLabel("[Mailbox]/This Weekend");
    GmailApp.createLabel("[Mailbox]/Tomorrow");
    GmailApp.createLabel("[Mailbox]/Next Week");
    GmailApp.createLabel("[Mailbox]/Next Month");
    GmailApp.createLabel("[Mailbox]/This Evening");
    GmailApp.createLabel("[Mailbox]/Wednesday");
    GmailApp.createLabel("!unsnoozed");
}

function do_move(glabel) {
    var page = glabel.getThreads(0, 100);
    if (page.length > 0) {
        GmailApp.moveThreadsToInbox(page);
        if (MARK_UNREAD) {
            for (var i = 0 ; i < page.length; i++) {   
              var messages = GmailApp.getMessagesForThread(page[i]);
              var lastMessageID = messages.length-1;
              GmailApp.markMessageUnread(messages[lastMessageID]); // mark last message as unread
            }  
        }
        if (ADD_UNSNOOZED_LABEL) {
            GmailApp.getUserLabelByName("!unsnoozed").addToThreads(page);
        }
        glabel.removeFromThreads(page);
    }
}

function moveLaters() {
    do_move(GmailApp.getUserLabelByName("[Mailbox]/Later Today"));
}
function moveWeekends() {
    do_move(GmailApp.getUserLabelByName("[Mailbox]/This Weekend"));
}
function moveTomorrow() {
    do_move(GmailApp.getUserLabelByName("[Mailbox]/Tomorrow"));
}
function moveNextWeek() {
    do_move(GmailApp.getUserLabelByName("[Mailbox]/Next Week"));
}
function moveMonth() {
    do_move(GmailApp.getUserLabelByName("[Mailbox]/Next Month"));
}
function moveEvenings() {
    do_move(GmailApp.getUserLabelByName("[Mailbox]/This Evening"));
}
function moveWednesday() {
    do_move(GmailApp.getUserLabelByName("[Mailbox]/Wednesday"));
}

forked from http://dpeck.net/posts/2014/09/give-gmail-mailbox-style-snooze-functionality-right-now-no-extension-required/