MTurk HIT DataBase Patch v1

Removes current day's hits from the DB to prepare it for the new update
Versão de: 03/06/2015. Veja: a última versão.
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// ==UserScript==
// @name        MTurk HIT DataBase Patch v1
// @namespace https://greasyforks.org/users/710
// @description Removes current day's hits from the DB to prepare it for the new update
// @include     https://www.mturk.com/mturk/dashboard
// @version     2
// @grant       none
// @require     http://ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min.js
// ==/UserScript==

var HITStorage = {};
var indexedDB = window.indexedDB || window.webkitIndexedDB ||
    window.mozIndexedDB;
window.IDBTransaction = window.IDBTransaction || window.webkitIDBTransaction || window.mozIDBTransaction;
window.IDBKeyRange = window.IDBKeyRange || window.webkitIDBKeyRange || window.mozIDBKeyRange;
HITStorage.IDBTransactionModes = { "READ_ONLY": "readonly", "READ_WRITE": "readwrite", "VERSION_CHANGE": "versionchange" };
var IDBKeyRange = window.IDBKeyRange;

HITStorage.indexedDB = {};
HITStorage.indexedDB = {};
HITStorage.indexedDB.db = null;

HITStorage.indexedDB.onerror = function(e) {
    console.log(e);
};
var v = 4;

if (confirm("This will delete all hits done from your DB for 2015-06-02."))
{
    var request = indexedDB.open("HITDB", 4);
    request.onsuccess = function(e) {
        HITStorage.indexedDB.db = e.target.result;
        var db = HITStorage.indexedDB.db;
        var trans = db.transaction(["HIT"], HITStorage.IDBTransactionModes.READ_WRITE);
        var store = trans.objectStore("HIT");

        store.openCursor().onsuccess = function(event) {
            var cursor = event.target.result;
            if (cursor)
            {
                if (cursor.value.date == "2015-06-02")
                {
                    console.log("Deleting "+cursor.value);
                    cursor.delete();
                }
                cursor.continue();
            }
            else
            {
                db.close();
            }
        };
        trans = db.transaction(["STATS"], HITStorage.IDBTransactionModes.READ_WRITE);
        store = trans.objectStore("STATS");

        store.openCursor().onsuccess = function(event) {
            var cursor = event.target.result;
            console.log(cursor);
            if (cursor)
            {
                if (cursor.value.date == "2015-06-02")
                {
                    console.log("Deleting "+cursor.value);
                    cursor.delete();
                }
                cursor.continue();
            }
            else
            {
                db.close();
            }
        };
    }
}

alert("Done");