GMail Snooze Script

gmail-snooze.js

var LABEL = 'Snooze';
var MONTHS = 1;
var MARK_UNREAD = true;
var ADD_UNSNOOZED_LABEL = true;

function dailySnooze() {
    var today;
    var page;
    var d = new Date();
    var day = d.getDate();
    var month = d.getMonth();
    var year = d.getFullYear();

    // Mails snoozed for today back to inbox
    today = GmailApp.getUserLabelByName(getLabelName(day, month, year));
    // It’s time to unsnooze it
    unSnooze(today);

    page = today.getThreads(0, 100);
    if (page.length === 0) {
        // Delete todays label
        GmailApp.deleteLabel(today);
    }
}

function twoSnooze() {
    var label;

    // Mails snoozed for 2pm back to inbox
    label = GmailApp.getUserLabelByName(LABEL + '/2pm');
    // It’s time to unsnooze it
    unSnooze(label);
}

function fiveSnooze() {
    var label;

    // Mails snoozed for 5pm back to inbox
    label = GmailApp.getUserLabelByName(LABEL + '/5pm');
    // It’s time to unsnooze it
    unSnooze(label);
}

function unSnooze(label) {
    var page = null;
    // Get threads in 'pages' of 100 at a time
    while (!page || page.length == 100) {
        page = label.getThreads(0, 100);
        if (page.length > 0) {
            // It’s time to unsnooze it
            GmailApp.moveThreadsToInbox(page);
            // Move the threads out of label
            label.removeFromThreads(page);
            if (MARK_UNREAD) {
                GmailApp.markThreadsUnread(page);
            }
            if (ADD_UNSNOOZED_LABEL) {
                GmailApp.getUserLabelByName('Unsnoozed')
                    .addToThreads(page);
            }
        }
    }
}

function moveToDateFolder() {
    snoozeTomorrow();
    snoozeNextWeek();
}

function snoozeTomorrow() {
    var label;

    label = GmailApp.getUserLabelByName(LABEL + '/by/tomorrow');

    var d = new Date();
    d.setDate(d.getDate() + 1);

    // Move to correct folder.
    setSnooze(label, d);
}

function snoozeNextWeek() {
    var label;

    label = GmailApp.getUserLabelByName(LABEL + '/by/next-week');

    var d = new Date();
    var day = d.getDay();
    var diff = d.getDate() - day + (day === 0 ? 1 : 8);
    d.setDate(diff);

    // Move to correct folder.
    setSnooze(label, d);
}

function setSnooze(label, date) {
    var page = null;
    var day = date.getDate();
    var month = date.getMonth();
    var year = date.getFullYear();
    var newlabel = GmailApp.getUserLabelByName(getLabelName(day, month, year));

    // Get threads in 'pages' of 100 at a time
    while (!page || page.length == 100) {
        page = label.getThreads(0, 100);
        if (page.length > 0) {
            // Move the threads out of label
            newlabel.addToThreads(page);
            label.removeFromThreads(page);
        }
    }
}

function xMonthsLabels() {
    var startday;
    var endday;
    var newmonth00;
    var d = new Date();
    var day = d.getDate();
    var month = d.getMonth();
    var year = d.getFullYear();

    // Create the labels we’ll need for snoozing
    GmailApp.createLabel(LABEL);
    GmailApp.createLabel(LABEL + '/2pm');
    GmailApp.createLabel(LABEL + '/5pm');
    GmailApp.createLabel(LABEL + '/by');
    GmailApp.createLabel(LABEL + '/by/tomorrow');
    GmailApp.createLabel(LABEL + '/by/next-week');
    GmailApp.createLabel(LABEL + '/date');
    if (ADD_UNSNOOZED_LABEL) {
        GmailApp.createLabel('Unsnoozed');
    }

    // Add Labels for x Months
    for (var i = 0; i <= MONTHS; ++i) {
        var newd = new Date(year, month + i, 1);
        var newyear = newd.getFullYear();
        var newmonth = newd.getMonth();
        // Make month two-digit for sorting
        if (newmonth < 10) {
            newmonth00 = '0' + (newmonth + 1);
        } else {
            newmonth00 = newmonth + 1;
        }

        // If it's todays month, don't start
        // with day 1 - but with tomorrow
        if (i === 0) {
            startday = day + 1;
        } else {
            startday = 1;
        }

        // If it's the last month, don't proceed
        // till the months last day but the numbers
        // we skipped in the first month
        if (i === MONTHS) {
            endday = Math.min(day, daysInMonth(newmonth, newyear));
        } else {
            endday = daysInMonth(newmonth, newyear);
        }

        for (var x = startday; x <= endday; x++) {
            GmailApp.createLabel(getLabelName(x, newmonth, newyear));
        }
    }
}

function getLabelName(day, month, year) {
    var month00;
    var day00;

    // Make month two-digit for sorting
    if (month < 10) {
        month00 = '0' + (month + 1);
    } else {
        month00 = month + 1;
    }
    // Make day two-digit for sorting
    if (day < 10) {
        day00 = '0' + day;
    } else {
        day00 = day;
    }
    return LABEL + '/date/' + year + month00 + day00;
}

function daysInMonth(month, year) {
    return new Date(year, month + 1, 0).getDate();
}