MTurk HIT Database Mk.II

Keep track of the HITs you've done (and more!). Cross browser compatible.

このスクリプトの質問や評価の投稿はこちら通報はこちらへお寄せください。
// ==UserScript==
// @name         MTurk HIT Database Mk.II
// @author       feihtality
// @namespace    https://greasyfork.org/en/users/12709
// @version      1.2.1
// @description  Keep track of the HITs you've done (and more!). Cross browser compatible.
// @include      /^https://www\.mturk\.com/mturk/(dash|view|sort|find|prev|search|accept|cont|myhits).*/
// @exclude      https://www.mturk.com/mturk/findhits?*hit_scraper
// @grant        none
// ==/UserScript==

/**\
 ** 
 ** This is a complete rewrite of the MTurk HIT Database script from the ground up, which
 ** eliminates obsolete methods, fixes many bugs, and brings this script up-to-date 
 ** with the modern browser environment.
 **
\**/ 



/*globals self*/

const DB_VERSION = 8;
const DB_NAME = 'HITDB';
const MTURK_BASE = 'https://www.mturk.com/mturk/';

/***************************      Native code modifications      *******************************/
if (!NodeList.prototype[Symbol.iterator]) NodeList.prototype[Symbol.iterator] = Array.prototype[Symbol.iterator];
Number.prototype.toPadded = function(length) { // format leading zeros
  'use strict';
  length = length || 2;
  return ("0000000"+this).substr(-length);
};
Math.decRound = function(v, shift) { // decimal rounding
  'use strict';
  v = Math.round(+(v+"e"+shift));
  return +(v+"e"+-shift);
};
Date.prototype.toLocalISOString = function() { // ISOString by local timezone
  'use strict';
  var pad = function(num) { return Number(num).toPadded(); },
      offset = pad(Math.floor(this.getTimezoneOffset()/60)) + pad(this.getTimezoneOffset()%60),
      timezone = this.getTimezoneOffset() > 0 ? "-" + offset : "+" + offset;
  return this.getFullYear() + "-" + pad(this.getMonth()+1) + "-" + pad(this.getDate()) +
    "T" + pad(this.getHours()) + ":" + pad(this.getMinutes()) + ":" + pad(this.getSeconds()) + timezone;
};
if (!('includes' in Array.prototype)) Array.prototype.includes = function(arg) { 'use strict'; return Boolean(~this.indexOf(arg)); };
/***********************************************************************************************/

(function() {
  'use strict';

  var qc = { 
    //extraDays: !!localStorage.getItem("hitdb_extraDays") || false, 
    save: function(key, name, isObj) {
      if (isObj) 
        localStorage.setItem(name, JSON.stringify(this[key]));
      else 
        localStorage.setItem(name, this[key]);
    }
  },
    metrics = {},
    get = (...args) => (args.length > 1 ? args[1] : document).querySelector(args[0] || args[1]),
    getAll = (...args) => (args.length > 1 ? args[1] : document).querySelectorAll(args[0] || args[1]);

  var 
  HITStorage = { //{{{
    data: {}, db: null,
    versionChange: function hsversionChange() { //{{{
      var db = this.result;
      db.onversionchange = function(e) { console.log("detected version change??",console.dir(e)); db.close(); };
      var dbo, idx;

      console.groupCollapsed("HITStorage.versionChange::onupgradeneeded");

      if (!db.objectStoreNames.contains("HIT")) { 
        console.log("creating HIT OS");
        dbo = db.createObjectStore("HIT", { keyPath: "hitId" });
        for (idx of ['date', 'requesterName', 'title', 'reward', 'bonus', 'status', 'requesterId'])
          dbo.createIndex(idx, idx, { unique: false });

        //localStorage.setItem("hitdb_extraDays", true);
        //qc.extraDays = true;
      } else if (!this.transaction.objectStore('HIT').indexNames.contains('bonus')) {
        this.transaction.objectStore('HIT').createIndex('bonus','bonus',{ unique: false });
      }
      
      if (!db.objectStoreNames.contains("STATS")) {
        console.log("creating STATS OS");
        dbo = db.createObjectStore("STATS", { keyPath: "date" });
      }
      if (this.transaction.objectStore("STATS").indexNames.length < 5) { // new in v5: schema additions
        for (idx of ['approved', 'earnings', 'pending', 'rejected', 'submitted'])
          this.transaction.objectStore("STATS").createIndex(idx, idx, { unique: false });
      }

      if (db.objectStoreNames.contains("NOTES") && this.transaction.objectStore("NOTES").indexNames.length < 3)
        db.deleteObjectStore("NOTES");

      if (!db.objectStoreNames.contains("NOTES")) { // new in v5; schema change
        console.log("creating NOTES OS");
        dbo = db.createObjectStore("NOTES", { keyPath: "id", autoIncrement: true });
        dbo.createIndex("hitId", "hitId", { unique: false });
        dbo.createIndex("requesterId", "requesterId", { unique: false });
        dbo.createIndex("tags", "tags", { unique: false, multiEntry: true });
        dbo.createIndex("date", "date", { unique: false });
      }

      if (db.objectStoreNames.contains("BLOCKS"))
        db.deleteObjectStore("BLOCKS");

      console.groupEnd();
    }, // }}} versionChange
    parseDOM: function(doc) {//{{{
      Status.color = "black";

      var errorCheck = doc.querySelector('td[class="error_title"]'),
          extraInfo = [];

      if (doc.title.search(/Status$/) > 0)            // status overview
        parseStatus();
      else if (doc.querySelector('td[colspan="4"]'))  // valid status detail, but no data
        parseMisc("next");
      else if (doc.title.search(/Status Detail/) > 0) // status detail with data
        parseDetail();
      else if (errorCheck) {                          // encountered an error page
        // hit max request rate
        if (~errorCheck.textContent.indexOf("page request rate")) {
          try {
            var _d = doc.documentURI.match(/\d{8}/)[0],
                _p = doc.documentURI.match(/ber=(\d+)/)[1];
            metrics.dbupdate.mark("[PRE]"+_d+"p"+_p, "start");
            console.log("exceeded max requests; refetching %sp%s", _d, _p);
            Status.node.innerHTML = "Exceeded maximum server requests; retrying "+Utils.ISODate(_d)+" page "+_p+"."+
              "<br>Please wait...";
          } catch (err) {
            console.log('exceeded max requests; refetching status page');
            Status.node.innerHTML = 'Exceeded maximum server requests; retrying status page<br />Please wait...';
          } finally {
            return setTimeout(HITStorage.fetch, 3050, doc.documentURI);
          }
        }
        // no more staus details left in range
        else if (qc.extraDays)
          parseMisc("end");
        else
          Utils.errorHandler(new Error("Failed to parse '" + doc.documentURI + "'"));
      }
      else 
        Utils.errorHandler(new Error("Unhandled document '" + doc.docuemntURI + "'"));

      function parseStatus() {//{{{
        HITStorage.data = { HIT: [], STATS: [] };
        qc.seen = {};

        qc.aat = JSON.parse(localStorage.getItem("hitdb_autoAppTemp") || "{}");
        qc.fetchData = JSON.parse(localStorage.getItem("hitdb_fetchData") || "{}");
        ProjectedEarnings.clear();
        var _pastDataExists = Boolean(Object.keys(qc.fetchData).length),
            timeout = 0, scope = [],
            range = _pastDataExists ? Object.keys(qc.fetchData).filter(v => !isNaN(v)) : [],
            raw = { 
          day: doc.querySelectorAll(".statusDateColumnValue"), 
          sub: doc.querySelectorAll(".statusSubmittedColumnValue"),
          app: doc.querySelectorAll(".statusApprovedColumnValue"),
          rej: doc.querySelectorAll(".statusRejectedColumnValue"),
          pen: doc.querySelectorAll(".statusPendingColumnValue"),
          pay: doc.querySelectorAll(".statusEarningsColumnValue") 
        };
        for (var i=0;i<raw.day.length;i++) {
          var d = {};
          var _date = raw.day[i].childNodes[1].href.substr(53);
          d.date      = Utils.ISODate(_date);
          d.submitted = +raw.sub[i].textContent;
          d.approved  = +raw.app[i].textContent;
          d.rejected  = +raw.rej[i].textContent;
          d.pending   = +raw.pen[i].textContent;
          d.earnings  = +raw.pay[i].textContent.substr(1);
          HITStorage.data.STATS.push(d);

          // bonus received on date with 0 HITs
          if (!d.submitted && !d.pending) { if (_date in qc.fetchData) delete qc.fetchData[_date]; continue; }
          // check whether or not we need to get status detail pages for date, then
          // fetch status detail pages per date in range and slightly slow
          // down GET requests to avoid making too many in too short an interval
          var payload = { encodedDate: _date, pageNumber: 1, sortType: "All" };
          if (_pastDataExists) {
            // date not in range but is new date (or old date but we need updates)
            // lastDate stored in ISO format, fetchData date keys stored in mturk's URI ecnodedDate format
            if ( (d.date >= qc.fetchData.lastDate) || ~(Object.keys(qc.fetchData).indexOf(_date)) || 
                (d.pending && !~Object.keys(qc.fetchData).indexOf(_date))) {
              setTimeout(HITStorage.fetch, timeout, MTURK_BASE+"statusdetail", payload);
              timeout += 380;

              qc.fetchData[_date] = { submitted: d.submitted, pending: d.pending };
              scope.push(_date);
            } 
          } else { // get everything
            setTimeout(HITStorage.fetch, timeout, MTURK_BASE+"statusdetail", payload);
            timeout += 380;

            qc.fetchData[_date] = { submitted: d.submitted, pending: d.pending };
          }
        } // for

        // remove out of range dates to prevent lockup when scanning after a long hiatus
        range.filter(v => !scope.includes(v)).forEach(v => delete qc.fetchData[v]);

        // try for extra days
        if (qc.extraDays === true) {
          localStorage.removeItem("hitdb_extraDays");
          d = _decDate(HITStorage.data.STATS[HITStorage.data.STATS.length-1].date);
          qc.extraDays = d; // repurpose extraDays for QC
          payload = { encodedDate: d, pageNumber: 1, sortType: "All" };
          setTimeout(HITStorage.fetch, 1000, MTURK_BASE+"statusdetail", payload);
        }
        qc.fetchData.expectedTotal = _calcTotals(qc.fetchData);
        qc.fetchData.lastDate = HITStorage.data.STATS[0].date; // most recent date seen
        qc.save("fetchData", "hitdb_fetchData", true);

      }//}}} parseStatus
      function parseDetail() {//{{{
        var _date = doc.documentURI.replace(/.+(\d{8}).+/, "$1"),
            _page = doc.documentURI.replace(/.+ber=(\d+).+/, "$1"),
            getExtras = function(entry) {
              return new Promise( function(y) {
                HITStorage.db.transaction('HIT', 'readonly').objectStore('HIT').get(entry.hitId).onsuccess = function() {
                  if (this.result && +this.result.bonus)
                    entry.bonus = +this.result.bonus;
                  if (this.result && +this.result.autoAppTime)
                    entry.autoAppTime = this.result.autoAppTime;
                  HITStorage.data.HIT.push(entry); y(1);
                };
              });
            };

        metrics.dbupdate.mark("[PRE]"+_date+"p"+_page, "end");
        Status.message = "Processing "+Utils.ISODate(_date)+" page "+_page;
        var raw = {
          req:      doc.querySelectorAll(".statusdetailRequesterColumnValue"),
          title:    doc.querySelectorAll(".statusdetailTitleColumnValue"),
          pay:      doc.querySelectorAll(".statusdetailAmountColumnValue"),
          status:   doc.querySelectorAll(".statusdetailStatusColumnValue"),
          feedback: doc.querySelectorAll(".statusdetailRequesterFeedbackColumnValue")
        };

        for (var i=0;i<raw.req.length;i++) {
          var d = {};
          d.date          = Utils.ISODate(_date);
          d.feedback      = raw.feedback[i].textContent.trim().replace(/[\n\t]/g, ' ');
          d.hitId         = raw.req[i].childNodes[1].href.replace(/.+hitId=([^&]+).*/, "$1");
          d.requesterId   = raw.req[i].childNodes[1].href.replace(/.+rId=([^&]+).+/, "$1");
          d.requesterName = raw.req[i].textContent.trim();
          d.reward        = +raw.pay[i].textContent.substr(1);
          d.status        = raw.status[i].textContent.replace(/\s/g, " "); // replace char160 spaces with char32 spaces
          d.title         = raw.title[i].textContent.trim();

          // mturk apparently never marks $0.00 HITs as 'Paid' so we fix that
          if (!d.reward && ~d.status.search(/approved/i)) d.status = "Paid";
          // insert autoApproval times
          d.autoAppTime = HITStorage.autoApprovals.getTime(_date,d.hitId);

          extraInfo.push(getExtras(d));

          if (!qc.seen[_date]) qc.seen[_date] = {};
          qc.seen[_date] = { 
            submitted:   qc.seen[_date].submitted + 1 || 1,
            pending: ~d.status.search(/pending/i)  ? 
              (qc.seen[_date].pending + 1 || 1) : (qc.seen[_date].pending || 0)
          };

          ProjectedEarnings.updateValues(d);
        } //for

        // additional pages remain; get them
        var morePages = doc.querySelector('img[src="/media/right_dbl_arrow.gif"]')/* || doc.querySelector('a[href*="&pageNumber='+(_page+1)+'"]')*/;
        if (morePages) {
          var payload = { encodedDate: _date, pageNumber: +_page+1, sortType: "All" };
          setTimeout(HITStorage.fetch, 380, MTURK_BASE+"statusdetail", payload);
          return;
        } else if (Utils.ISODate(_date) !== qc.fetchData.lastDate &&
            qc.seen[_date].submitted === qc.fetchData[_date].submitted && qc.seen[_date].pending === 0) {
          console.log("no more pending hits, removing",_date,"from fetchData");
          delete qc.fetchData[_date];
          qc.save("fetchData", "hitdb_fetchData", true);
        }

        if (!qc.extraDays) { // not fetching extra days
          console.log("date:", _date, "pages:", _page, "totals:", _calcTotals(qc.seen), "of", qc.fetchData.expectedTotal);
          Status.message += " [ "+_calcTotals(qc.seen)+"/"+ qc.fetchData.expectedTotal+" ]";
          if (_calcTotals(qc.seen) === qc.fetchData.expectedTotal) {
            Status.message = "Writing to database...";
            HITStorage.autoApprovals.purge();
            Promise.all(extraInfo).then(function() { HITStorage.write(HITStorage.data, cbUpdate); });
          } 
        } else if (_date <= qc.extraDays) { // day is older than default range and still fetching extra days
          parseMisc("next");
          console.log("fetchrequest for", _decDate(Utils.ISODate(_date)));
        }
      }//}}} parseDetail
      function parseMisc(type) {//{{{
        var _d = doc.documentURI.match(/\d{8}/)[0],
            _p = doc.documentURI.match(/ber=(\d+)/)[1];
        metrics.dbupdate.mark("[PRE]"+_d+"p"+_p, "end");
        var payload = { encodedDate: _decDate(Utils.ISODate(_d)), pageNumber: 1, sortType: "All" };

        if (type === "next" && +qc.extraDays > 1) {
          setTimeout(HITStorage.fetch, 250, MTURK_BASE+"statusdetail", payload);
          console.log("going to next page", payload.encodedDate);
        } else if (type === "end" && +qc.extraDays > 1) {
          Status.message = "Writing to database...";
          Promise.all(extraInfo).then(function() { HITStorage.write(HITStorage.data, cbUpdate); });
        } else 
          Utils.errorHandler(new TypeError("Failed to execute '"+type+"' in '"+doc.documentURI+"'"));
      }//}}}
      function _decDate(date) {//{{{
        var y = date.substr(0,4);
        var m = date.substr(5,2);
        var d = date.substr(8,2);
        date = new Date(y,m-1,d-1);
        return Number(date.getMonth()+1).toPadded() + Number(date.getDate()).toPadded() + date.getFullYear();
      }//}}}
      function _calcTotals(obj) {//{{{
        var sum = 0;
        for (var k in obj){
          if (obj.hasOwnProperty(k) && !isNaN(+k)) 
            sum += obj[k].submitted;
        }
        return sum;
      }//}}}
    },//}}} parseDOM
    autoApprovals: {//{{{
      getTime : function(date, hitId) {
        if (qc.extraDays || !Object.keys(qc.aat).length) return "";
        var found = false,
            autoApp = "";

        if (!found && Object.keys(qc.aat).length) {
          for (var key in qc.aat) { if (qc.aat.hasOwnProperty(key)) { // for all dates in aat
            var id = Object.keys(qc.aat[key]).filter(id => id === hitId)[0];
            autoApp = qc.aat[key][id] || "";
            if (autoApp) {
              found = true;
              delete qc.aat[key][id];
              qc.save("aat", "hitdb_autoAppTemp", true);
              break;
            }
          }} // for key (dates)
        } // if !found && aat not empty
        return autoApp;
      },// getTime
      purge : function() {
        if (!Object.keys(qc.aat).length) return; // nothing here
        var pad = function(num) { return Number(num).toPadded(); },
            _date = Date.parse(new Date().getFullYear() + "-" + pad(new Date().getMonth()+1) + "-" + pad(new Date().getDate()));

        for (var key of Object.keys(qc.aat)) {
          if (_date - key > 169200000) delete qc.aat[key]; // at least 2 days old, no need to keep it around
        }
        qc.save("aat", "hitdb_autoAppTemp", true);
      } // purge
    },//}}} autoApprovals
    fetch: function(url, payload) { //{{{
      //format GET request with query payload
      if (payload) {
        var args = 0;
        url += "?";
        for (var k in payload) {
          if (payload.hasOwnProperty(k)) {
            if (args++) url += "&";
            url += k + "=" + payload[k];
          }
        }
      }
      // defer XHR to a promise
      var fetch = new Promise( function(fulfill, deny) {
        var urlreq = new XMLHttpRequest();
        urlreq.open("GET", url, true);
        urlreq.responseType = "document";
        urlreq.send();
        urlreq.onload = function() { 
          if (this.status === 200) {
            fulfill(this.response);
          } else {
            deny(new Error(this.status + " - " + this.statusText));
          }
        };
        urlreq.onerror   = function() { deny(new Error(this.status + " - " + this.statusText)); };
        urlreq.ontimeout = function() { deny(new Error(this.status + " - " + this.statusText)); };
      } );
      fetch.then( HITStorage.parseDOM, Utils.errorHandler );

    }, //}}} fetch
    write: function(input, callback) { //{{{
      var counts = { requests: 0, total: 0 },
          os = Object.keys(input),
          dbo = [],
          dbt = HITStorage.db.transaction(os, "readwrite");
      for (var i=0;i<os.length;i++) { // cycle object stores
        dbo[i] = dbt.objectStore(os[i]);
        for (var k of input[os[i]]) { // cycle entries to put into object stores
          if (typeof k.reward === 'object') { k.bonus = k.reward.bonus; k.reward = k.reward.pay; }
          if (typeof callback === 'function' && ++counts.requests)
            dbo[i].put(k).onsuccess = callback.bind(counts);
          else
            dbo[i].put(k);
        }
      }
    }, //}}} write
    recall: function(store, options) {//{{{
      var _cb = function(cursor) {
            try { Status.message = `Retrieving data... [ ${matches} / ${++total} ]`; } catch(e) {}
            if (filter(cursor.value)) {
              sr.include(cursor.value);
              try { Status.message = `Retrieving data... [ ${++matches} / ${total} ]`; } catch(e) {}
            }
            cursor.continue();
          },
          o = Object.assign({
        index: null, range: null, dir: 'next', limit: Infinity, progress: false, mode: 'readonly', callback: _cb,
        status: null, query: null, date: null, reward: null, bonus: null, requesterId: null, requesterName: null
      }, options || {});
      if (o.status === '*') o.status = null; //if (o.query === '*') o.query = null;
      if (o.progress) Progress.show();

      var sr = new DBResult(), matches = 0, total = 0,
          filter = function(obj) {//{{{
            var fields = ['status', 'query', 'reward', 'bonus', 'requesterId', 'requesterName'], matches = {};
            // out of date range
            if (o.date && (obj.date < (o.date[0]) || obj.date > (o.date[1]))) return false;

            for (var f of fields) {
              matches[f] = false;
              if (!o[f]) {
                matches[f] = true;
              } else if (f === 'query') { // general search - title, rname, hitid
                if ((obj.title + obj.requesterName + obj.hitId).toLowerCase().includes(o[f].toLowerCase())) matches[f] = true;
              } else if (!isNaN(obj[f])) {// number
                if (+obj[f] >= o[f][0] && +obj[f] <= o[f][1]) matches[f] = true;
              } else { // text
                if (obj[f] && obj[f].toLowerCase().includes(o[f].toLowerCase())) matches[f] = true;
              }
            }
            return fields.reduce((a,b) => a && matches[b], true);
          };//}}}

      return new Promise( function(resolve) {
        var dbo = HITStorage.db.transaction(store, o.mode).objectStore(store), dbq = null;
        if (o.index) 
          dbq = dbo.index(o.index).openCursor(o.range, o.dir);
        else
          dbq = dbo.openCursor(o.range, o.dir);
        dbq.onsuccess = function() {
          if (this.result && matches < o.limit)
            o.callback(this.result, { resolve: resolve });
          else {
            try { Status.message = "Done."; } catch(e) {}
            resolve(sr);
          }
        }; // IDBCursor
      }); // promise
    },//}}} HITStorage::recall
    backup: function(internal) {//{{{
      var bData = {},
          os    = ["STATS", "NOTES", "HIT"],
          count = 0;

      Progress.show();
      Status.push("Preparing backup...", "black");

      for (var store of os) 
        HITStorage.db.transaction(os, "readonly").objectStore(store).openCursor().onsuccess = populateBackup;

      function populateBackup(e) {
        var cursor = e.target.result;
        if (cursor) {
          if (!bData[cursor.source.name]) bData[cursor.source.name] = [];
          bData[cursor.source.name].push(cursor.value);
          cursor.continue();
        } else 
          if (++count === 3)
            finalizeBackup();
      }
      function finalizeBackup() {
        if (typeof internal === 'function') { qc.merge = bData; internal(true); return; }
        var backupblob = new Blob([JSON.stringify(bData)], {type:"application/json"});
        var date = new Date();
        var dl = document.createElement("A");
        date = date.getFullYear() + Number(date.getMonth()+1).toPadded() + Number(date.getDate()).toPadded();
        dl.href = URL.createObjectURL(backupblob);
        console.log(dl.href);
        dl.download = "hitdb_"+date+".bak";
        document.body.appendChild(dl); // FF doesn't support forced events unless element is part of the document
        dl.click();                    // so we make it so and click,
        dl.remove();                   // then immediately remove it
        Progress.hide();
        Status.push("Done!", "green");
      }

    }//}}} backup
  }, //}}} HITStorage

  Utils = { //{{{
    disableButtons: function(arr, status) { //{{{
      for (var b of arr) document.getElementById(b).disabled = status;
    }, //}}}
    ftime : function(t,options) {//{{{
      if (t !== undefined && isNaN(t)) return;
      options = Object.assign({verbose: false, partial: true}, options);
      var units = ['day', 'hour', 'minute', 'second'];
      units = units.reduce((a,b) => (a[b] = options.verbose ? ' '+b : b.charAt()) && a, {});
      units.day = options.partial ? ' day' : units.day;
      if (String(t).length && +t === 0) return [0 + units.second].map(v => options.verbose ? v+'s' : v);
      if (!t) return ['n/a'];
      var pluralize = (num, str) => num > 1 && str.length > 1 ? num + str + 's' : num + str,
        time = [ pluralize(Math.floor(t/86400), units.day),
          pluralize(Math.floor(t%86400/3600), units.hour),
          pluralize(Math.floor(t%86400%3600/60), units.minute),
          pluralize(t%86400%3600%60, units.second) ];

      return time.filter(v => +v.charAt() > 0);
    },//}}}ftime
    ISODate: function(date) { //{{{ MMDDYYYY <-> YYYY-MM-DD
      if (date.length === 10)
        return date.substr(5,2)+date.substr(-2)+date.substr(0,4);
      else
        return date.substr(4)+"-"+date.substr(0,2)+"-"+date.substr(2,2);
    },//}}} ISODate
    getPosition: function(element, includeHeight) {//{{{
      var offsets = { x: 0, y: includeHeight ? element.offsetHeight : 0 };
      do {
        offsets.x += element.offsetLeft;
        offsets.y += element.offsetTop;
        element = element.offsetParent;
      } while (element);
      return offsets;
    },//}}} getPosition
    errorHandler: function(err) {//{{{
      try { Status.push(err.name + ": " + err.message, "red"); }
      catch(e) {}
      finally { 
        console.error(err);
        if (err.message.includes('AccessViolation')) {
          var _m = 'HITdb probably needs to run an internal update.\nPlease close all tabs running HITdb to complete the process. ' +
              'This includes all other MTurk pages and all tabs running HIT Scraper.',
              span = str => '<span style="color:#c60;margin-top:6px;width:400px;display:block;position:relative;left:50%;transform:translateX(-50%)">' + str + '</span>';
          console.warn(_m);
          try { Status.html = Status.html + span(_m); } catch(e) {}
        }
      }
    },//}}}
    updateTimestamp: function() {//{{{
      var time = get('time'),
        then = Date.parse(time.getAttribute('datetime')),
        now = Date.now(),
        diff = Utils.ftime(Math.floor((now-then)/1000), {verbose:true});
      if (!diff) return;
      time.textContent = diff[0] + ' ago';
      time.title = [new Date(then), '\n', 'Last updated:', diff.join(' '), 'ago'].join(' ');
    }//}}}
  }, //}}} Utils

  ProjectedEarnings = (function() {//{{{
    if (document.location.pathname !== "/mturk/dashboard") return null;
    var _date = new Date(),
        _weekStart, _weekEnd,
        _default = { today:null, weekStart:null, weekEnd:null, day:new Date().getDay(), dbUpdated:'n/a',
          pending:0, approved:0, earnings:{}, target:{ day:10, week:50 } },
        _data = Object.assign(_default, JSON.parse(localStorage.getItem('hitdb_projectedEarnings'))),
        _interface = {updateDate: updateDate, setProperties: setProperties, clear: clear, updateValues: updateValues},
        painter;

    _date.setDate(_date.getDate() - _date.getDay()); // sunday
    _weekStart = Date.parse(_date.toLocalISOString().slice(0,10));
    _date.setDate(_date.getDate() + 7); // next sunday
    _weekEnd   = Date.parse(_date.toLocalISOString().slice(0,10));
    if (_data.weekStart === null) _data.weekStart = _weekStart;
    if (_data.weekEnd === null) _data.weekEnd = _weekEnd;

    function _findAnchor() {//{{{
      var table = Array.prototype.filter.call(getAll('.metrics-table'), v => v.rows.length > 1 && v.rows[1].cells.length > 5)[0];
      if (!table) return undefined;
      else return { node: table.rows[1].cells[0].children[0], date: table.rows[1].cells[0].children[0].href.match(/\d{8}/)[0] };
    }//}}}
    function _save() {//{{{
      saveState("hitdb_projectedEarnings", JSON.stringify(_data));
    }//}}}
    function updateDate() {//{{{
      var anchor = _findAnchor(),
        isToday = anchor.node.textContent.trim() === 'Today',
        isNewWeek = (Date.parse(Utils.ISODate(anchor.date)) >= _data.weekEnd) || (!isToday && new Date().getDay() < _data.day),
        isNewDay = (!_data.today && isToday) || (_data.today && (anchor.date !== _data.today || !isToday));

      if (isNewWeek) setProperties({ earnings: {}, weekEnd: _weekEnd, weekStart: _weekStart });
      if (isNewDay) setProperties({ today: (anchor.date === _data.today ? null : anchor.date), day: new Date().getDay() });
      return _interface;
    }//}}}
    function setProperties(obj, scope) {//{{{
      if (scope) _data[scope] = Object.assign(_data[scope], obj);
      else _data = Object.assign(_data, obj);
      _save();
      return _interface;
    }//}}}
    function _getWeekTotal() {//{{{
      return Math.decRound(Object.keys(_data.earnings).reduce((a,b) => a + _data.earnings[b], 0), 2);
    }//}}}
    function clear() {//{{{
      _data.pending = _data.approved = 0;
      for (var day of Object.keys(_data.earnings))
        if (day in qc.fetchData || day === _data.today) _data.earnings[day] = 0;
    }//}}}
    function updateValues(obj) {//{{{
      var vDate = Date.parse(obj.date), iDate = Utils.ISODate(obj.date);
      if (/pending/i.test(obj.status)) // sum pending earnings (include approved until fully cleared as paid)
        _data.pending = Math.decRound(obj.reward + _data.pending, 2);
      if (/approved/i.test(obj.status))
        _data.approved = Math.decRound(obj.reward + _data.approved, 2);
      if (vDate < _data.weekEnd && vDate >= _data.weekStart && !/rejected/i.test(obj.status)) // sum weekly earnings by day
        _data.earnings[iDate] = Math.decRound(obj.reward + (_data.earnings[iDate] || 0), 2);
    }//}}}
    painter = (function() {//{{{
      var _parentTable = get("#total_earnings_amount").offsetParent,
          _rows = ['pending', 'projectedDay', 'projectedWeek'];

      _rows = _rows.map(() => _parentTable.insertRow(-1));

      function draw() {//{{{
        var meterTitle = "Click to set/change the target value",
            weekTotal = _getWeekTotal(),
            dayTotal = _data.earnings[_data.today] || 0;

        document.head.appendChild(document.createElement('STYLE')).innerHTML =
          '.timestamp { font-family:arial; font-size:10px; white-space:nowrap; }' + 
          'td meter { width:220px; cursor:pointer}' +
          '.pending-offset { color:blue; font-family:arial; font-size:10px; margin-left:3px }';
        _rows.forEach((v,i) => {
          for (var j = 0; j < 2; j++) v.insertCell(-1);
          if (i === 0)
            for (j = 0; j < v.cells.length; j++) v.cells[j].style.borderTop = 'dotted 1px black';
          v.cells[0].className = 'metrics-table-first-value';
        });
        Array.prototype.slice.call(_parentTable.rows, 1).forEach((v,i) => v.className = ++i % 2 ? 'odd' : 'even');
        _rows[0].cells[0].innerHTML = 'Pending earnings ' +
          `<span class="timestamp">[ Last updated: <time datetime="${_data.dbUpdated}"></time> ]</span>`;
        _rows[1].cells[0].innerHTML = '<span>Projected earnings for the day</span>' +
          `<div><meter id="projectedDayProgress" title="${meterTitle}" value="${dayTotal}" max="${_data.target.day}"></meter>` +
          '<span class="pending-offset">' + (dayTotal - _data.target.day).toFixed(2) + '</span></div>';
        _rows[2].cells[0].innerHTML = '<span>Projected earnings for the week</span>' +
          `<div><meter id="projectedWeekProgress" title="${meterTitle}" value="${weekTotal}" max="${_data.target.week}"></meter>` +
          '<span class="pending-offset">' + (weekTotal - _data.target.week).toFixed(2) + '</span></div>';
        _rows[0].cells[1].title = _makePendingTitle();
        _rows[0].cells[1].textContent = "$" + _data.pending.toFixed(2);
        _rows[1].cells[1].textContent = "$" + dayTotal.toFixed(2);
        _rows[2].cells[1].textContent = "$" + weekTotal.toFixed(2);
        if (_data.dbUpdated === 'n/a') get('time', _rows[0]).textContent = 'Never';
        else Utils.updateTimestamp();
        get("#projectedDayProgress").onclick = _setGoals;
        get("#projectedWeekProgress").onclick = _setGoals;
      }//}}}
      function update() {//{{{
        _rows[0].cells[1].title = _makePendingTitle();
        _rows[0].cells[1].textContent = '$' + _data.pending.toFixed(2);
        _rows[1].cells[1].textContent = '$' + (_data.earnings[_data.today] || 0).toFixed(2);
        _rows[2].cells[1].textContent = '$' + _getWeekTotal().toFixed(2);
        get('time').setAttribute('datetime', _data.dbUpdated);
        Utils.updateTimestamp();
        var _day = get('meter', _rows[1]).value = _data.earnings[_data.today] || 0;
        var _week = get('meter', _rows[2]).value = _getWeekTotal();
        get('.pending-offset', _rows[1]).textContent = (+_day - _data.target.day).toFixed(2);
        get('.pending-offset', _rows[2]).textContent = (+_week - _data.target.week).toFixed(2);
      }//}}}
      function _makePendingTitle() {//{{{
        return "This value includes all earnings that are not yet fully cleared as 'Paid'\n" +
          "\n   Pending Approval: $" + (_data.pending - _data.approved).toFixed(2) +
          "\n   Pending Payment: $" + (_data.approved).toFixed(2) +
          "\n   Total Pending:        $" + _data.pending.toFixed(2);
      }//}}}
      function _setGoals(e) {//{{{
        var type = e.target.id.includes('Day') ? 'day' : 'week',
            goal = prompt('Set your ' + (type.replace('y','i') + 'ly') + ' target:', _data.target[type]);
        if (!goal || isNaN(goal)) return;
        var obj = {}; obj[type] = +goal;
        setProperties(obj, 'target');
        e.target.max = goal;
        e.target.nextSibling.textContent = ((type === 'day' ? (_data.earnings[_data.today] || 0) : _getWeekTotal()) - goal).toFixed(2);
      }//}}}
      return { draw: draw, update: update };
    })();//}}} ProjectedEarnings::painter
    _interface.painter = painter;
    return _interface;
  })(),//}}} ProjectedEarnings

  DBResult = function(resArr, colObj) {//{{{
    this.results = resArr || [];
    this.collation = colObj || null;
    this.formatHTML = function(options) {//{{{
      options = Object.assign({ compact: false, type: 'default' }, options);
      var count = 0, htmlTxt = [], entry, r, templates;

      if (this.results.length < 1) return "<h2>No entries found matching your query.</h2>";

      templates = (function(type) {//{{{
        var header, body, footer;
        if (type === 'daily') {
          header = '<thead><tr class="hdbHeaderRow"><th></th><th>Date</th><th>Submitted</th><th>Approved</th><th>Rejected</th><th>Pending</th><th>Earnings</th></tr></thead><tbody>';
          body = obj => `<tr ${obj.class} style="text-align:right"><td><span class="hdbExpandRow">[+]</span></td><td style="text-align:center;">${obj.date}</td><td>${obj.submitted}</td><td>${obj.approved}</td><td>${obj.rejected}</td><td>${obj.pending}</td><td>${(+obj.earnings).toFixed(2)}</td></tr>`;
          footer = obj => `</tbody><tfoot><tr class="hdbTotalsRow" style="text-align:right;"><td>Totals:</td><td>${obj.totalEntries} days</td><td>${obj.totalSub}</td><td>${obj.totalApp}</td><td>${obj.totalRej}</td><td>${obj.totalPen}</td><td>$${(+Math.decRound(obj.totalPay,2)).toFixed(2)}</td></tr></tfoot>`;
        } else if (type === 'pending' || type === 'requester') {
          header = '<thead><tr class="hdbHeaderRow"><th width="160">Requester ID</th><th>Requester</th><th style="width:36">' + (type === 'pending' ? 'Pending' : 'HITs') + '</th><th style="width:76">Rewards</th></tr></thead><tbody>';
          body = arr => {
            var innerRows = [], outerRow = `<tr data-sort="${Math.decRound(arr.pay,2)}"><td><span class="hdbExpandRow" title="Display all pending HITs from this requester">[+]</span> ${arr[0].requesterId}</td><td>${arr[0].requesterName}</td><td style="text-align:center;">${arr.length}</td><td style="text-align:center;">${(+Math.decRound(arr.pay,2)).toFixed(2)}</td></tr>`;
            for (var hit of arr) // hits in range per requester id
              innerRows.push(`<tr data-rid="${arr[0].requesterId}" style="color:#c60000;display:none;"><td style="text-align:right">${hit.date}</td><td width="500" colspan="2" class="nowrap" style="max-width:520" title="${hit.title}">[ <span class="helpSpan" title="Auto-approval time">AA: ${Utils.ftime(hit.autoAppTime).join(' ')}</span> ] ${hit.title}</td><td style="text-align:right">${hit.reward.toFixed(2)}</td></tr>`);
            return outerRow + innerRows.join('');
          };
          footer = obj => `</tbody><tfoot><tr class="hdbTotalsRow"><td style="text-align:right;">Totals:</td><td style="text-align:center;">${Object.keys(obj).length-7} Requesters</td><td style="text-align:right;">${obj.totalEntries}</td><td style="text-align:right;">$${(+Math.decRound(obj.totalPay,2)).toFixed(2)}</td></tr></tfoot>`;
        } else {
          header = '<thead><tr class="hdbHeaderRow"><th colspan="3"></th><th colspan="2" title="Bonuses must be added in manually.\n\nClick inside the cell to edit, click out of the cell to save">Reward</th><th colspan="3"></th></tr><tr class="hdbHeaderRow"><th style="min-width:65">Date</th><th>Requester</th><th>HIT title</th><th style="font-size:10px;">Pay</th><th style="font-size:10px;"><span class="helpSpan" title="Click the cell to edit.\nIts value is automatically saved">Bonus</span></th><th>Status</th><th><span class="helpSpan" title="Auto-approval times">AA</span></th><th>Feedback</th></tr></thead><tbody>';
          body = obj => {
            if (options.compact)
              return `<tr><td class="nowrap" title="${obj.requesterName}" style="max-width:130">${obj.requesterName}</td><td class="nowrap" title="${obj.title}" style="max-width:520">${obj.title}</td><td>${obj.reward.toFixed(2)}</td><td class="nowrap" title="${obj.status}" style="max-width:60">${obj.status}</td></tr>`;
            else
              return `<tr ${obj.class} data-id="${obj.hitId}"><td width="74px">${obj.date}</td><td style="max-width:145px;"><a target="_blank" title="Contact this requester" href="${obj.contact}">${obj.requesterName}</a></td><td width="375px" title="HIT ID:   ${obj.hitId}"><span title="Add a note" id="note-${obj.hitId}" style="cursor:pointer;">&nbsp;&#128221;&nbsp;</span>${obj.title}</td><td style="text-align:right">${obj.reward.toFixed(2)}</td><td style="text-align:right" class="bonusCell" title="Click to add/edit" contenteditable="true" data-hitid="${obj.hitId}">${(obj.bonus ? obj.bonus.toFixed(2) : "")}</td><td style="color:${obj.statusColor};text-align:center">${obj.status}</td><td>${Utils.ftime(obj.autoAppTime).join(' ')}</td><td>${obj.feedback}</td></tr>`;
          };
          footer = obj => `</tbody><tfoot><tr class="hdbTotalsRow"><td></td><td style="text-align:right">Totals:</td><td style="text-align:center;">${obj.totalEntries} HITs</td><td style="text-align:right">$${(+Math.decRound(obj.totalPay,2)).toFixed(2)}</td><td style="text-align:right">$${(+Math.decRound(obj.totalBonus,2) || 0).toFixed(2)}</td><td colspan="3"></td></tr></tfoot>`;
        }
        return { header: header, body: body, footer: footer };
      })(options.type);//}}}

      if (options.type === "daily") {
        r = this.collate(this.results,"stats");
        for (entry of this.results) {
          entry.class = (count++ % 2 === 0) ? 'class="even"' : 'class="odd"';
          htmlTxt.push(templates.body(entry));
        }
        htmlTxt.unshift(templates.header);
        htmlTxt.push(templates.footer(r));
      } else if (options.type === "pending" || options.type === "requester") {
        r = this.collate(this.results,"requesterId");
        for (var k of Object.keys(r).filter(v => !v.includes('total')))
          htmlTxt.push(templates.body(r[k]));
        htmlTxt.sort((a,b) => +b.substr(15,5).match(/\d+\.?\d*/) - +a.substr(15,5).match(/\d+\.?\d*/));
        htmlTxt.unshift(templates.header);
        htmlTxt.push(templates.footer(this.collation || r));
      } else { // default
        this.results.sort((a,b) => a.date === b.date ? (a.requesterName.toLowerCase() > b.requesterName.toLowerCase() ? 1 : -1) : a.date < b.date ? -1 : 1);
        for (entry of this.results) {
          entry.class = (count++ % 2 === 0) ? 'class="even"' : 'class="odd"';
          entry.statusColor = ~entry.status.search(/(paid|approved)/i) ? "green" : entry.status === "Pending Approval" ? "orange" : "red";
          entry.contact = MTURK_BASE+'contact?requesterId='+entry.requesterId+'&requesterName='+entry.requesterName+'&subject=Regarding+Amazon+Mechanical+Turk+HIT+'+entry.hitId;
          htmlTxt.push(templates.body(entry));
        }

        if (options.compact)
          return htmlTxt.join('');

        r = this.collation || this.collate(this.results,"requesterId");
        htmlTxt.unshift(templates.header);
        htmlTxt.push(templates.footer(r));
      }
      return htmlTxt.join('');
    };//}}} formatHTML
    this.formatCSV = function(type) {//{{{
      var csvTxt = [], entry = null, delimiter="\t";
      if (type === "daily") {
        csvTxt.push( ["Date", "Submitted", "Approved", "Rejected", "Pending", "Earnings\n"].join(delimiter) );
        for (entry of this.results) {
          csvTxt.push( [entry.date, entry.submitted, entry.approved, entry.rejected, 
              entry.pending, Number(entry.earnings).toFixed(2)+"\n"].join(delimiter) );
        }
        _csvToFile(csvTxt, "hitdb_dailyOverview.csv");
      } else if (type === "pending" || type === "requester") {
        csvTxt.push( ["RequesterId","Requester", (type === "pending" ? "Pending" : "HITs"), "Rewards\n"].join(delimiter) );
        var r = this.collation || this.collate(this.results,"requesterId");
        for (var k in r) {
          if (!~k.search(/total/) && r.hasOwnProperty(k))
            csvTxt.push( [k, r[k][0].requesterName, r[k].length, Number(Math.decRound(r[k].pay,2)).toFixed(2)+"\n"].join(delimiter) );
        }
        _csvToFile(csvTxt, "hitdb_"+type+"Overview.csv");
      } else {
        csvTxt.push(["hitId","date","requesterName","requesterId","title","pay","bonus","status","autoAppTime","feedback\n"].join(delimiter));
        for (entry of this.results) {
          csvTxt.push([entry.hitId, entry.date, entry.requesterName, entry.requesterId, entry.title, entry.reward.toFixed(2),
              (entry.bonus ? entry.bonus.toFixed(2) : ''), entry.status, entry.autoAppTime, 
              entry.feedback.replace(/[\t\n]/g,' ')+"\n"].join(delimiter));
        }
        _csvToFile(csvTxt, "hitdb_queryResults.csv");
      }

      return null;

      function _csvToFile(csv, filename) {
        var blob = new Blob(csv, {type: "text/csv", endings: "native"}),
            dl   = document.createElement("A");
        dl.href = URL.createObjectURL(blob);
        dl.download = filename;
        document.body.appendChild(dl); // FF doesn't support forced events unless element is part of the document
        dl.click();                    // so we make it so and click,
        dl.remove();                   // then immediately remove it
        return dl;
      }
    };//}}} formatCSV
    this.include = function(value) {
      this.results.push(value);
    };
    this.collate = function(data, index) {//{{{
      var r = { 
        totalPay: 0, totalBonus: 0, totalEntries: data.length,
        totalSub: 0, totalApp: 0, totalRej: 0, totalPen: 0
      };
      for (var e of data) {
        if (!r[e[index]]) { 
          r[e[index]] = [];
          Object.defineProperty(r[e[index]], "pay", {value: 0, enumerable: false, configurable: true, writable: true});
        }
        r[e[index]].push(e);

        if (index === "stats") {
          r.totalSub += e.submitted;
          r.totalApp += e.approved;
          r.totalRej += e.rejected;
          r.totalPen += e.pending;
          r.totalPay += e.earnings;
        } else {
          r[e[index]].pay += (+e.reward);
          r.totalPay += (+e.reward);
          r.totalBonus += (+e.bonus || 0);
        }
      }
      return r;
    };//}}} _collate

  },//}}} databaseresult

  DashboardUI = {//{{{
    draw: function() {//{{{
      var controlPanel = document.createElement("TABLE"),
          insertionNode = get(".footer_separator").previousSibling;
      document.body.insertBefore(controlPanel, insertionNode);
      controlPanel.width = "760";
      controlPanel.align = "center";
      controlPanel.id = "hdbControlPanel";
      controlPanel.cellSpacing = "0";
      controlPanel.cellPadding = "0";
      controlPanel.innerHTML = '<tr height="25px"><td width="10" bgcolor="#7FB448" style="padding-left: 10px;"></td>' +
        '<td class="white_text_14_bold" style="padding-left:10px; background-color:#7FB448;">' +
          'HIT Database Mk. II&nbsp;<a href="https://greasyfork.org/en/scripts/11733-mturk-hit-database-mk-ii#userGuide" '+
            'class="whatis" target="turkPopUp" onclick="customPopup(this, 500, 400)">' +
          '(What\'s this?)</a></td></tr>' +
        '<tr><td class="container-content" colspan="2">' +
        '<div style="text-align:center; position:relative" id="hdbDashboardInterface">' +
         '<button id="hdbBackup" title="Export your entire database!\nPerfect for moving between computers or as a periodic backup">Create Backup</button>' +
         '<button id="hdbRestore" title="Import data from an external file" style="margin:5px">Import</button>' +
         '<button id="hdbUpdate" title="Update... the database" style="color:green;">Update Database</button>' +
         '<input id="hdbFileInput" type="file" style="display:none"/>' +
         '<br>'+
         '<div style="position:absolute; top:0; right:0; text-align:initial">' +
          //'<label title="Popout search results in a new window" style="vertical-align:middle;">popout' +
          //'<input id="hdbPopout" type="checkbox" style="vertical-align:middle"></label>' +
          '<label for="hdbCSVInput" title="Export results as CSV file" style="vertical-align:middle;">export CSV</label>' +
          '<input id="hdbCSVInput" title="Export results as CSV file" type="checkbox" style="vertical-align:middle;">' +
         '</div>' +
         '<button id="hdbPending" title="Summary of all pending HITs\n Can be exported as CSV" style="margin: 0px 5px 5px;">Pending Overview</button>' +
         '<button id="hdbRequester" title="Summary of all requesters\n Can be exported as CSV" style="margin: 0px 5px 5px;">Requester Overview</button>' +
         '<button id="hdbDaily" title="Summary of each day you\'ve worked\nCan be exported as CSV" style="margin:0px 5px 5px;">Daily Overview</button>' +
         '<br>' +
         '<label>Find </label>' +
         '<select id="hdbStatusSelect" style="width:100px"><option value="*">ALL</option>' +
         '<option value="Pending Approval" style="color: orange;">Pending Approval</option>' +
         '<option value="Rejected" style="color: red;">Rejected</option>' +
         '<option value="Approved - Pending Payment" style="color:green;">Approved - Pending Payment</option>' +
         '<option value="Paid" style="color:green;">Paid</option></select>' +
         '<label> HITs from </label><input id="hdbMinDate" type="date" size="10" title="Specify a date, or leave blank">' +
         '<label> to </label><input id="hdbMaxDate" type="date" size="10" title="Specify a date, or leave blank">' +
         '<label> matching </label>'+
         '<br>' +
         '<input id="hdbSearchInput" style="width:400px" title="Query can be HIT title, HIT ID, or requester name" />' +
         '<button id="hdbSearch" style="margin-left:5px">Search</button>' +
         '<br>' +
         '<label id="hdbStatusText"></label>' +
         '<div id="hdbProgressBar">' +
          '<div id="hdbB1" class="ball"></div><div id="hdbB2" class="ball"></div>' +
          '<div id="hdbB3" class="ball"></div><div id="hdbB4" class="ball"></div>' +
         '</div>' +
        '</div></td></tr>';

      var searchResults = document.createElement("DIV");
      searchResults.align = "center";
      searchResults.id = "hdbSearchResults";
      searchResults.style.display = "block";
      searchResults.innerHTML = 
        '<span class="hdbResControl" id="hdbResClear">[ clear results ]</span>' +
        '<span class="hdbTablePagination" id="hdbPageTop"></span><br>' +
        '<table cellSpacing="0" cellpadding="2" width="760" id="hdbResultsTable"></table>' +
        '<span class="hdbResControl" id="hdbVpTop">Back to top</span>' +
        '<span class="hdbTablePagination" id="hdbPageBot"></span><br>';
      document.body.insertBefore(searchResults, insertionNode);
    },//}}} dashboardUI::draw
    initClickables: function() {//{{{
      var main = get('#hdbControlPanel'),
          isGecko = /Gecko\/\d+/.test(navigator.userAgent);

      get('#hdbSearchResults').firstChild.onclick = function() { //{{{ clear results
        get('#hdbResultsTable').innerHTML = null; qc.sr = null;
        for (var d of ["hdbResClear","hdbPageTop","hdbVpTop", "hdbPageBot"]) {
          if (/page/i.test(d)) get(`#${d}`, get('#hdbSearchResults')).innerHTML = "";
          get(`#${d}`, get('#hdbSearchResults')).style.display = "none";
        }
      };//}}}
      get('#hdbVpTop').onclick = function() { autoScroll("#hdbControlPanel"); };

      get('#hdbUpdate',main).onclick = function() { //{{{
        if (!HITStorage.db) { return Utils.errorHandler(new TypeError('(AccessViolation) Database is not defined')); }
        Utils.disableButtons(['hdbUpdate'], true);
        Progress.show();
        metrics.dbupdate = new Metrics("database_update");
        HITStorage.fetch(MTURK_BASE+"status");
        Status.message = "fetching status page....";
      };//}}}
      get('#hdbCSVInput',main).addEventListener("click", function() {//{{{
        var a = get('#hdbAnalytics'), buttons = ['#hdbPending','#hdbRequester','#hdbDaily'];
        if (a && a.checked) a.click();
        if (this.checked) {
          get('#hdbSearch',main).textContent = "Export CSV";
          buttons.map(v => get(v,main)).forEach(v => v.textContent += ' (csv)');
        }
        else {
          get('#hdbSearch',main).textContent = "Search";
          buttons.map(v => get(v,main)).forEach(v => v.textContent = v.textContent.replace(" (csv)",""));
        }
      });//}}}
      if (isGecko) {//{{{
        get('#hdbMinDate',main).addEventListener("focus", function() {
          var offsets = Utils.getPosition(this, true);
          new Calendar(offsets.x, offsets.y, this).drawCalendar();
        });
        get('#hdbMaxDate',main).addEventListener("focus", function() {
          var offsets = Utils.getPosition(this, true);
          new Calendar(offsets.x, offsets.y, this).drawCalendar();
        });
      }//}}}

      get('#hdbBackup',main).onclick = HITStorage.backup;
      get('#hdbRestore',main).onclick = function() { get('#hdbFileInput',main).value = ''; get('#hdbFileInput',main).click(); };
      get('#hdbFileInput',main).onchange = FileHandler.delegate;//processFile;
      get('#hdbSearchInput',main).onkeydown = function(e) { if (e.keyCode === 13) get('#hdbSearch',main).click(); };

      get('#hdbSearch',main).addEventListener('click', function(e) {//{{{
        if (!/^[se]/i.test(e.target.textContent)) return;
        var opt = this.getRange(get('#hdbStatusSelect',main).value, _getFilters(get('#hdbSearchInput',main).value.trim()));
        opt.progress = true;
        if (opt.query && opt.query.length === 30 && !/\s/.test(opt.query)) {
          opt.range = window.IDBKeyRange.only(opt.query.toUpperCase());
          opt.index = null;
        }
        _dbaccess("search", ["HIT", opt], function(r) {
          var limiter = 300,
              _cb = function(slice) {
                for (var _r of slice)
                  HITStorage.recall("NOTES", { index: "hitId", range: window.IDBKeyRange.only(_r.hitId) }).then(NoteHandler.pin);
                
                var _nodes   = [getAll(".bonusCell"), getAll('span[id^="note-"]')];
                for (var i=0;i<_nodes[0].length;i++) {
                  var bonus = _nodes[0][i],
                      note  = _nodes[1][i];
                  bonus.dataset.initial = bonus.textContent;
                  bonus.onkeydown = updateBonus;
                  bonus.onblur    = updateBonus;
                  note.onclick    = NoteHandler.createNewNote;
                }
              };
          if (get('#hdbCSVInput',main).checked) 
            get('#hdbResultsTable').innerHTML = r.formatCSV();
          else if (r.results.length > limiter) {
            var collation = r.collate(r.results, 'requesterId');
            do { qc.sr.push(new DBResult(r.results.splice(0,limiter), collation)) } while (r.results.length);
            resultConstrain(qc.sr, 0, 'default', _cb);
          } else
            resultConstrain(r, 0, 'default', _cb);
        });
      }.bind(this)); //}}} search button click event
      //{{{ overview buttons
      get('#hdbPending',main).onclick = function() {
        var opt = this.getRange('pending', _getFilters(get('#hdbSearchInput',main).value.trim())),
            _opt = { index:'status', dir:'prev', range:window.IDBKeyRange.only('Pending Approval'), progress:true };

        opt = Object.assign(opt, _opt);
        _dbaccess("pending", ["HIT", opt], function(r) {
          get('#hdbResultsTable').innerHTML = get('#hdbCSVInput',main).checked ?
            r.formatCSV("pending") : r.formatHTML({type:'pending'});
          var expands = getAll(".hdbExpandRow");
          for (var el of expands)
            el.onclick = showHiddenRows;
        });
      }.bind(this); //pending overview click event
      get('#hdbRequester',main).onclick = function() {
        var opt = this.getRange(get('#hdbStatusSelect',main).value, _getFilters(get('#hdbSearchInput',main).value.trim()));
        opt.progress = true;

        _dbaccess("requester", ["HIT", opt], function(r) {
          var limiter = 100,
              _cb = function() {
                var expands = getAll(".hdbExpandRow");
                for (var el of expands) 
                  el.onclick = showHiddenRows;
              };
          if (get('#hdbCSVInput',main).checked)
            get('#hdbResultsTable').innerHTML = r.formatCSV("requester");
          else if (r.results.length > limiter) {
            var collation = r.collate(r.results, "requesterId"), _r = [], count = 0;
            var keys = Object.keys(collation)
              .filter(function(e) { return !/total/.test(e); })
              .sort(function(a,b) { return collation[b].pay - collation[a].pay; });
            keys.forEach(function(key){
              if (++count > limiter) {
                qc.sr.push(new DBResult(_r, collation));
                count = 0; _r = [];
              } else _r = _r.concat(collation[key]);
            });
            qc.sr.push(new DBResult(_r, collation));
            resultConstrain(qc.sr, 0, 'requester', _cb);
          } else
            resultConstrain(r, 0, 'requester', _cb);
        });
      }.bind(this); //requester overview click event
      get('#hdbDaily',main).onclick = function() {
        var opt = Object.assign(this.getRange("*"), { index:null, dir:'prev', progress:true });
        _dbaccess("daily", ["STATS", opt], function(r) {
          get('#hdbResultsTable').innerHTML = get('#hdbCSVInput',main).checked ?
            r.formatCSV("daily") : r.formatHTML({type: 'daily'});
          var expands = getAll(".hdbExpandRow");
          for (var el of expands)
            el.onclick = showHitsByDate;
        });
      }.bind(this); //daily overview click event
      //}}}
      function _getFilters(str) {//{{{
        var re = /(?:[rh][equstri]*(?:id|name)|bonus|reward|pay|req|id):[^;]+/ig,
            matches = str.match(re),
            filters = { query: str },
            _setRange = function(str) {
              var rng = str.split(/[><,]/).filter(v => v).sort(); rng.forEach((v,i,a) => a[i] = +v);
              if (rng.length === 1) {
                if (str.startsWith('<')) {
                  rng[0] -= 0.01;
                  rng.unshift(0.01);
                } else if (str.startsWith('>')) {
                  rng[0] += 0.01;
                  rng.push(Infinity);
                } else rng.push(rng[0]);
              }
              return rng;
            };

        if (!matches) return filters;
        filters.query = str.slice(0,str.indexOf(matches[0])).trim();
        if (!filters.query.length) filters.query = null;
        for (var m of matches) {
          var _m = m.split(':');
          if (/(^req$|r[eqstr]*name)/i.test(_m[0])) filters.requesterName = _m[1].trimLeft();
          else if (/(^id$|hitid)/i.test(_m[0])) filters.hitId = _m[1].toUpperCase().trimLeft();
          else if (/r[eqstr]*id/i.test(_m[0])) filters.requesterId = _m[1].toUpperCase().trimLeft();
          else if (/(reward|pay)/i.test(_m[0])) filters.reward = _setRange(_m[1]);
          else if (_m[0].toLowerCase() === 'bonus') filters.bonus = _setRange(_m[1]);
        }
        return filters;
      }//}}}
      function _dbaccess(method, rargs, tfn) {//{{{
        if (!HITStorage.db) { Utils.errorHandler(new TypeError('(AccessViolation) Database is not defined')); return; }
        Utils.disableButtons(['hdbDaily','hdbRequester','hdbPending','hdbSearch'], true);
        get('#hdbSearchResults').firstChild.click();
        Status.push("Preparing database...", "black");
        metrics.dbrecall = new Metrics("database_recall::"+method);
        metrics.dbrecall.mark("data retrieval", "start");

        HITStorage.recall(rargs[0],rargs[1]).then(function(r) {
          qc.sr = [];
          metrics.dbrecall.mark("data retrieval", "end");
          Status.message = "Building HTML...";
          try {
            for (var d of ["hdbResClear","hdbPageTop","hdbVpTop", "hdbPageBot"]) {
              if (get('#hdbCSVInput',main).checked || (~d.search(/page/i) && !/^[sr]/.test(method))) continue;
              document.getElementById(d).style.display = "initial";
            }
            metrics.dbrecall.mark("HTML construction", "start");
            tfn(r); 
            metrics.dbrecall.mark("HTML construction", "end");
          } catch(e) { 
            Utils.errorHandler(e);
          } finally {
            Utils.disableButtons(['hdbDaily','hdbRequester','hdbPending','hdbSearch'], false);
            autoScroll("#hdbSearchResults");
            Status.push("Done!", "green");
            Progress.hide();
            metrics.dbrecall.stop(); metrics.dbrecall.report();
          }
        });
      }//}}} _dbaccess
    },//}}} dashboardUI::initClickables
    getRange: function(status, filters) {//{{{
      var obj = Object.assign({}, filters || {}), r = window.IDBKeyRange, main = get('#hdbControlPanel');
      obj.status = status || get('#hdbStatusSelect',main).value;
      obj.date = [ (get('#hdbMinDate',main).value || '0000'), (get('#hdbMaxDate',main).value || '9999') ];
      obj.index = obj.date[0] !== '0000' || obj.date[1] !== '9999' ? 'date' : 'status';
      if (filters) {
        var indexPriority = { hitId:100, bonus:80, date:70, status:60, requesterId:50, requesterName:40, reward:30,  },
            indices = Object.keys(filters);
        indices.push(obj.index);
        obj.index = indices.reduce((a,b) => indexPriority[a] || 0 > indexPriority[b] || 0 ? a : b);
      }
      obj.range = (function(i) {
        if (['date','reward','pay','bonus'].includes(i))
          return (obj[i] = obj[i].sort()) && r.bound(obj[i][0], obj[i][1]);
        else if (i === 'status' && status.length > 1)
          return r.only(status);
        else if (['hitId','requesterName','requesterId'].includes(i)) 
          return r.bound(obj[i], obj[i].slice(0,-1) + String.fromCharCode(obj[i].slice(-1).charCodeAt()+1));
      })(obj.index);
      if (obj.index === 'hitId' || (obj.index === 'status' && status.length === 1)) obj.index = null;
      return obj;
    }//}}} dashboardUI::getRange
  },//}}} dashboard
  
  FileHandler = { //{{{
    //
    // TODO: JSON integrity check
    //
    delegate: function(e) {//{{{
      var f = e.target.files;
      if (f.length && ~f[0].name.search(/\.(bak|csv|json)$/i)/* && ~f[0].type.search(/(text|json)/)*/) {
        var reader = new FileReader(), testing = true, isCsv = false;
        metrics.dbimport = new Metrics("file_import");

        reader.readAsText(f[0].slice(0,10));
        reader.onload = function(e) { 
          var r = e.target.result;
          if (testing && !~r.search(/(STATS|NOTES|HIT)/)) { // failed json check, test if csv
            console.log("failed json integrity:", r, "\nchecking csv schema...");
            if (!~r.search(/hitId/)) { // failed csv check, return error
              console.log("failed csv integrity:", r, "\naborting");
              return Utils.errorHandler(new TypeError("Invalid data structure"));
            } else { // passed initial csv check, parse full file
              console.log("deferring to csv parser");
              isCsv   = true;
              testing = false;
              Progress.show();
              reader.readAsText(f[0]);
            }
          } else if (testing) {
            testing = false;
            Progress.show();
            reader.readAsText(f[0]);
          } else {
            if (isCsv) this.csv.fromFile(r);
            else HITStorage.write(JSON.parse(r), cbImport);
          }
        }.bind(FileHandler); // reader.onload
      } else if (f.length)
        Utils.errorHandler(new TypeError("Unsupported file format"));
    },//}}}
    csv: {//{{{
      fromFile: function(r) {//{{{
        var validKeys  = ["autoAppTime","date","feedback","hitId","requesterId","requesterName","reward","pay","bonus","status","title"],
            //lines      = r.replace(/\r?\n^(?!"?[A-Z0-9]{30})/gm,' ').split(/\r?\n/);
            lines      = r.split(/\r?\n(?="?[A-Z0-9]{30})/);
        this.delimiter = /^"/.test(lines[0]) ? r.substr(7,1) : r.substr(5,1);
        this.header    = lines.splice(0,1)[0].replace(new RegExp(`([" ]|${this.delimiter}$)`,'g'),'').split(this.delimiter);
        this.data      = { HIT:[] };

        console.log('delimiter:',this.delimiter==='\t'?'tab':this.delimiter,'\nlines:',lines.length,'\nheader:',this.header);
        if (!lines.length) return Utils.errorHandler(new Error("CSV file must contain at least one record"));
        // make sure header keys are valid
        for (var key of this.header)
          if (!~validKeys.indexOf(key)) {
            Progress.hide();
            return Utils.errorHandler(new TypeError("Invalid key '"+key+"' found in column header"));
          }
        this.core(lines);
      },//}}}
      core: function(lr, syn) {//{{{
        syn = syn || false;
        var badLines = [],
            deq = function(str) { if (/^"/.test(str) && /"$/.test(str)) return str.replace(/(^"|"$)/g,''); else return str;},
            qfix = arr => arr.reduce((a,b) => {
              if (a.length && /^".+[^"]$/.test(a[a.length-1])) {
                a[a.length-1] = a[a.length-1] + this.delimiter + b;
                return a;
              } else return a.concat(b);
            }, []);
        for (var line of lr) {
          var record = {};
          line = line.split(this.delimiter);
          if (line.length <= 1) continue;
          if (line.length !== this.header.length) {
            // attempt to resolve delimiter conflicts within field values
            line = qfix(line);
            while (line.length > this.header.length) {
              var datum = line.pop();
              if (/\S/.test(deq(datum))) { line.push(datum); break; }
            }
            if (line.length !== this.header.length) { 
              badLines.push({record: line, reason: "SyntaxError: Number of field do not match number of columns"}); continue; }
          }
          // convert into usable JSON
          for (var i=0;i<line.length;i++) {
            if (/(pay|bonus|reward|autoAppTime)/.test(this.header[i]) && isNaN(+line[i])) { 
              badLines.push({record: line, reason: `TypeError: Value in '${this.header[i]}' is not a number.`}); break; }
            if (this.header[i] === 'hitId' && (/\W/.test(deq(line[i])) || deq(line[i]).length !== 30)) { 
              badLines.push({record: line, reason: "TypeError: Invalid hitId."}); break; }
            if (this.header[i] === 'date' && !/\d{4}-\d{2}-\d{2}/.test(line[i])) { 
              badLines.push({record: line, reason: "TypeError: Invalid date. Dates must be in ISO format (YYYY-MM-DD)."}); break; }

            if (this.header[i] === 'pay' || this.header[i] === 'reward')
              record.reward = +line[i];
            else if (this.header[i] === 'bonus')
              record.bonus = +line[i];
            else
              record[this.header[i]] = deq(line[i]);
          } // for each field
          if (!syn && !badLines.find(v => v.record === line)) this.data.HIT.push(record);
        } // for each record 
        if (syn) return !badLines.length;
        else if (badLines.length) { console.warn('SyntaxError'); console.dir(badLines); this.manualFix(badLines); }
        else HITStorage.write(this.data, cbImport);
      },//}}}
      manualFix: function(lr) {//{{{
        var div      = document.body.appendChild(document.createElement('DIV')),
            title    = div.appendChild(document.createElement('P')),
            divInner = div.appendChild(document.createElement('DIV')),
            buttons  = div.appendChild(document.createElement('P')),
            trimSansTab = function(str) {
              var c = "[ \f\n\r\v\u00a0\u1680\u180e\u2000-\u200a\u2028\u2029\u202f\u205f\u3000\ufeff]+";
              return str.replace(new RegExp("^"+c),'').replace(new RegExp(c+"$"),'');
            },
            kdFn     = function(e) {
              if (e.keyCode === 9) {// tab
                e.preventDefault();
                var zs = e.target.selectionStart,
                    ze = e.target.selectionEnd;
                e.target.value = e.target.value.substr(0,zs) + '\t' + e.target.value.substr(ze);
              }
              e.target.style.height = '1px';
              e.target.style.height = e.target.scrollHeight + 10 +'px';
            },
            blurFn   = function(e) {
              var check = this.core([trimSansTab(e.target.value)],true);
              if (check) e.target.style.background = '#9EFF9E'; else e.target.style.background = 'white';
            }.bind(this);
        title.outerHTML = '<p style="margin:0;text-align:center;font-weight:bold;font-size:1.2em">Failed lines</p>' +
          '<p style="text-align:center;font-weight:bold;font-size:0.9em;margin:1%">' + this.header.join(this.delimiter)+'</p>';
        div.style.cssText = "z-index:5; position:fixed; top:50%;left:50%; padding:0.7%; width:650px; resize:both; overflow:auto;" +
          "background:rgba(204,204,204,0.88); box-shadow: 0px 0px 15px 2px #000; margin-right:-50%; transform:translate(-50%, -50%);";
        divInner.style.cssText = "position:relative; max-height:350px; overflow:auto;";
        for (var v of lr) {
          divInner.appendChild(document.createTextNode(v.reason));
          var ta = divInner.appendChild(document.createElement('TEXTAREA'));
          ta.style.cssText = "resize:none; overflow:hidden; width:100%; display:block";
          ta.onkeydown = kdFn;
          ta.onblur = blurFn;
          ta.value = v.record.join(this.delimiter);
          ta.style.height = ta.scrollHeight + 10 + 'px';
        }
        buttons.style.cssText = "margin:1% auto; text-align:center;";
        buttons.innerHTML = '<button id="fretry" title="Retry failed lines.")">Retry</button> ' +
          '<button id="fskip" title="Skip these failed lines and import the rest to the database.">Skip</button> ' +
          '<button id="fcancel" title="Cancel the entire import process">Cancel</button><br>' +
          'Modify the above entries and retry, or skip them, or cancel the entire import.';
        buttons.querySelector('#fretry').onclick = function() {
          var l = [];
          for (var el of div.querySelectorAll('textarea')) l.push(trimSansTab(el.value));
          this.core(l);
          div.remove();
        }.bind(this);
        buttons.querySelector('#fskip').onclick = function() { div.remove(); HITStorage.write(this.data, cbImport); }.bind(this);
        buttons.querySelector('#fcancel').onclick = function() { div.remove(); this.data = null; Progress.hide();}.bind(this);
      }//}}}
    }//}}} FileHandler::csv
  },//}}}

  NoteHandler = (function() {//{{{
    if (document.location.pathname !== '/mturk/dashboard') return null;
    var _interface = { pin:pin, createNewNote:createNewNote, deleteNote:deleteNote, saveNote:saveNote };

    function pin(dbr) {//{{{
      if (!dbr.results.length) return;
      for (var n of dbr.results) new Note(n).pin();
    }//}}}
    function createNewNote(e) {//{{{
      new Note({ hitId: e.target.id.slice(5) }).pin();
    }//}}}
    function deleteNote(e) {//{{{
      var row = e.target.parentNode.parentNode, range = window.IDBKeyRange.only(row.cells[2].dataset.id);
      if (!row.cells[2].dataset.initial) return row.remove();
      HITStorage.recall('NOTES', { mode:'readwrite', index:'hitId', callback:cb, range:range }).then(() => row.remove());
      function cb(c,promise) {
        if (c.value.note === row.cells[2].dataset.initial) return c.delete() && promise.resolve(true);
        c.continue();
      }
    }//}}}
    function saveNote(e) {//{{{
      var note = e.target.textContent.trim(), update, initial = e.target.dataset.initial,
        date = e.target.previousSibling.textContent, hitId = e.target.dataset.id, range = window.IDBKeyRange.only(hitId);
      if (e instanceof window.KeyboardEvent) return (e.keyCode === 13 || null) && !!e.target.blur();
      if (note === initial) return; // no change
      if (!note) return e.target.parentNode.cells[0].firstChild.click(); // assume intent to delete
      HITStorage.recall('NOTES', { mode:'readwrite', index:'hitId', range:range, callback:cb }).then(finalize);
      function cb(c,promise) {
        var r = c.value;
        if (r.note === initial) return (update = true) && (r.note = note) && c.update(r) && promise.resolve(true);
        c.continue();
      }
      function finalize() {
        if (!update) HITStorage.write({ NOTES: [ {hitId:hitId, date:date, note:note} ]});
        e.target.dataset.initial = note;
      }
    }//}}}
    function Note(obj) {//{{{
      obj = Object.assign({ date: new Date().toLocalISOString().slice(0,10) }, obj);
      this.row = document.createElement('TR');
      this.pin = function() {
        var target = get('tr[data-id="'+obj.hitId+'"]');
        return target.parentNode.insertBefore(this.row, target.nextSibling) && !obj.note && cells[2].focus();
      };
      var cells = ['del', 'date', 'note'].map(() => this.row.insertCell(-1));
      cells[0].innerHTML = '<span class="hdbNote" title="Delete this note">[x]</span>';
      cells[0].firstChild.onclick = NoteHandler.deleteNote;
      cells[0].style.textAlign = "right";
      cells[1].title = "Date on which the note was added";
      cells[1].textContent = obj.date;
      cells[2].textContent = cells[2].dataset.initial = obj.note || '';
      cells[2].dataset.id = obj.hitId;
      cells[2].classList.add('hdbNote');
      cells[2].colSpan = "6";
      cells[2].contentEditable = "true";
      cells[2].onblur = cells[2].onkeydown = NoteHandler.saveNote;
    }//}}}
    return _interface;
  })();//}}}

  /* 
   *
   *
   *
   *
   *///{{{
  console.log('hdb hook');
  if (document.location.pathname === "/mturk/dashboard") {
    DashboardUI.draw();
    DashboardUI.initClickables();
    
    ProjectedEarnings.updateDate().painter.draw();
    setInterval(Utils.updateTimestamp, 1000*60);

    var Status = {
      node: document.getElementById("hdbStatusText"),
      get message() { return this.node.textContent; },
      set message(str) { this.node.textContent = str; },
      get color() { return this.node.style.color; },
      set color(c) { this.node.style.color = c; },
      push: function(m,c) { c = c || "black"; this.message = m; this.color = c; },
      get html() { return this.node.innerHTML },
      set html(str) { this.node.innerHTML = str; }
    }, Progress = {
      node: document.getElementById("hdbProgressBar"),
      hide: function() { this.node.style.display = "none"; },
      show: function() { this.node.style.display = "block"; }
    };

    var dbh = window.indexedDB.open(DB_NAME, DB_VERSION);
    dbh.onerror = function(e) { Utils.errorHandler(e.target.error); };
    dbh.onupgradeneeded = HITStorage.versionChange;
    dbh.onsuccess = INITDB;

    // export some variables for external extensions
    self.Status = Status; self.Progress = Progress; self.Metrics = Metrics; self.Math.decRound = Math.decRound;
  } else { // page is not dashboard
    window.indexedDB.open(DB_NAME).onsuccess = function() { HITStorage.db = this.result; beenThereDoneThat(); };
  }
  /*}}}
   *
   *
   *
   *
   */

  function saveState(key, value) {//{{{
    try { 
      localStorage.setItem(key,value);
    } catch(err) {
      if (err.name !== 'QuotaExceededError') return Utils.errorHandler(err);
      try {
        localStorage.removeItem(key);
        localStorage.setItem(key, value);
      } catch(errr) {
        return Utils.errorHandler(errr);
      }
    }
  }//}}}

  // {{{ css injection
  document.head.appendChild(document.createElement('STYLE')).innerHTML =
  "#hdbProgressBar {margin:auto; width:250px; height:15px; position:relative; display:none;}" +
  ".ball {position:absolute; left:0; width:12px; height:12px; border-radius:5px;" +
    "animation:kfpballs 2s cubic-bezier(0.24,0.77,0.68,1) infinite;" +
    "background:linear-gradient(222deg, rgba(208,69,247,0), rgba(208,69,247,1), rgba(69,197,247,1), rgba(69,197,247,0))}" +
  "#hdbB2{animation-delay:.19s} #hdbB3{animation-delay:.38s} #hdbB4{animation-delay:.55s}" +
  "@keyframes kfpballs {0% {left:0%;opacity:1} 50% {left:98%;opacity:0.2} 100% {left:0%;opacity:1}}" +
  ".hitdbRTButtons {border:1px solid; font-size: 10px; height: 18px; padding-left: 5px; padding-right: 5px; background: pink;}" +
  ".hitdbRTButtons-green {background: lightgreen;}" +
  ".hitdbRTButtons-large {width:80px;}" +
  ".hdbCalControls {cursor:pointer;} .hdbCalControls:hover {color:#c27fcf;}" +
  ".hdbCalCells {background:#f0f6f9; height:19px}" +
  ".hdbCalDays {cursor:pointer; text-align:center;} .hdbCalDays:hover {background:#7fb4cf; color:white;}" +
  ".hdbDayHeader {width:26px; text-align:center; font-weight:bold; font-size:12px; background:#f0f6f9;}" +
  ".hdbCalHeader {background:#7fb4cf; color:white; font-weight:bold; text-align:center; font-size:11px; padding:3px 0px;}" +
  "#hdbCalendarPanel {position:absolute; z-index:10; box-shadow:-2px 3px 5px 0px rgba(0,0,0,0.68);}" +
  ".hdbExpandRow {cursor:pointer; color:blue;}" +
  ".hdbTotalsRow {background:#CCC; color:#369; font-weight:bold;}" +
  ".hdbHeaderRow {background:#7FB448; font-size:12px; color:white;}" +
  ".helpSpan {border-bottom:1px dotted; cursor:help;}" +
  ".hdbResControl {border-bottom:1px solid; color:#c60; cursor:pointer; display:none;}" +
  ".hdbTablePagination {margin-left:15em; color:#c60; display:none;}" +
  ".spin {animation: kfspin 0.7s infinite linear; font-weight:bold;}" +
  "@keyframes kfspin { 0% { transform: rotate(0deg) } 100% { transform: rotate(359deg) } }" +
  ".spin:before{content:'*'}" +
  ".nowrap {white-space:nowrap; overflow:hidden; text-overflow:ellipsis}" +
  ".hdbNote {color:crimson} span.hdbNote {cursor:pointer}" +
  "#javascriptDependentFunctionality { display:block !important }";
  // }}}

  function resultConstrain(data, index, type, callback) {//{{{
    data = data || qc.sr;

    var table  = document.getElementById("hdbResultsTable"),
        rslice = data.length ? data[index].results : data.results,
        pager  = [document.getElementById("hdbPageTop"), document.getElementById("hdbPageBot")],
        sopt   = [],
        _f     = function(e) { resultConstrain(null,e.target.value,type,callback); };
    pager[0].innerHTML = ''; pager[1].innerHTML = '';

    if (data instanceof DBResult)
      table.innerHTML = data.formatHTML({type: type});
    else {
      table.innerHTML = data[index].formatHTML({type: type});
      pager[0].innerHTML = '<span style="cursor:pointer;">' + (index > 0 ? '&#9664; Prev' : '') + '</span> ' +
        '<span style="cursor:pointer;">' + (+index+1 === data.length ? '' : 'Next &#9654;') + '</span> &nbsp; || &nbsp; '+
        '<label>Select page: </label><select></select>';
      for (var i=0;i<data.length;i++) {
        if (i === +index)
          sopt.push('<option value="' + i + '" selected="selected">' + (i+1) + '</option>');
        else
          sopt.push('<option value="' + i + '">' + (i+1) + '</option>');
      }
      pager[0].lastChild.innerHTML = sopt.join('');
      pager[2] = pager[0].cloneNode(true);
      pager[2].id = "hdbPageBot";
      for (i of [0,2]) {
        pager[i].children[0].onclick = resultConstrain.bind(null,null,+index-1,type,callback);
        pager[i].children[1].onclick = resultConstrain.bind(null,null,+index+1,type,callback);
        pager[i].children[3].onchange = _f;
      }
      pager[0].parentNode.replaceChild(pager[2], pager[1]);
    }

    callback(rslice);
  }//}}} resultConstrain

  function beenThereDoneThat() {//{{{
    const pathname = document.location.pathname.split('/').slice(-1).toString();
    if (/(accept|continue)/.test(pathname)) {
      if (!get('input[name="hitAutoAppDelayInSeconds"]')) return;

      // capture autoapproval times
      var _aa = get('input[name="hitAutoAppDelayInSeconds"]').value,
          _hid = getAll('input[name="hitId"]')[1].value,
          pad = function(num) { return Number(num).toPadded(); },
          _d  = Date.parse(new Date().getFullYear() + "-" + pad(new Date().getMonth()+1) + "-" + pad(new Date().getDate()));
      qc.aat = JSON.parse(localStorage.getItem("hitdb_autoAppTemp") || "{}");

      if (!qc.aat[_d]) qc.aat[_d] = {};
      qc.aat[_d][_hid] = _aa;
      qc.save("aat", "hitdb_autoAppTemp", true);
      return;
    }

    const qualNode = get('td[colspan="11"]');
    if (qualNode) { // we're on the preview page!
      const requesterid   = get('input[name="requesterId"]').value,
            requestername = get('input[name="prevRequester"]').value,
            autoApproval  = get('input[name="hitAutoAppDelayInSeconds"]').value,
            hitTitle      = get('div[style*="ellipsis"]').textContent.trim(),
            row = document.createElement("TR"), cellL = document.createElement("TD"), cellR = document.createElement("TD"),
            results = { r: document.createElement("TABLE"), t: document.createElement("TABLE") };
      results.r.dataset.rid = requesterid;
      results.t.dataset.title = hitTitle;
      qualNode.closest('table').parentNode.appendChild(results.r).parentNode.appendChild(results.t);

      cellR.innerHTML = '<span class="capsule_field_title">Auto-Approval:</span>&nbsp;&nbsp;'+Utils.ftime(autoApproval).join(' ');
      const rbutton = document.createElement("BUTTON");
      rbutton.classList.add("hitdbRTButtons","hitdbRTButtons-large");
      rbutton.textContent = "Requester";
      rbutton.onclick = function(e) { e.preventDefault(); showResults.call(results.r, "req", hitTitle); };
      const tbutton = rbutton.cloneNode(false);
      rbutton.title = "Show HITs completed from this requester";
      tbutton.textContent = "HIT Title";
      tbutton.onclick = function(e) { e.preventDefault(); showResults.call(results.t, "title", requestername) };
      HITStorage.recall("HIT", {index: "requesterId", range: window.IDBKeyRange.only(requesterid), limit: 1})
        .then(processResults.bind(rbutton,results.r));
      HITStorage.recall("HIT", {index: "title", range: window.IDBKeyRange.only(hitTitle), limit: 1})
        .then(processResults.bind(tbutton,results.t));
      row.appendChild(cellL);
      row.appendChild(cellR);
      cellL.appendChild(rbutton);
      cellL.appendChild(tbutton);
      cellL.colSpan = "3";
      cellR.colSpan = "8";
      qualNode.closest('tbody').appendChild(row);
    } else { // browsing HITs n sutff 
      const titleNodes = getAll('a[class="capsulelink"]');
      if (titleNodes.length < 1) return; // nothing left to do here!
      const requesterNodes = pathname === 'myhits' 
        ? getAll('.requesterIdentity') 
        : getAll('td > a[href*="hitgroups&requester"]');

      [].forEach.call(requesterNodes, (req, i) => {
        const title   = titleNodes[i].textContent.trim(),
              tbutton = document.createElement('BUTTON'),
              id      = pathname === 'myhits' 
                ? get('a[href*="contact"]', titleNodes[i].closest('table').parentNode.closest('table')).href.match(/rId=([A-Z0-9]+)/)[1]
                : req.href.replace(/.+Id=([A-Z0-9]+)/, '$1'),
              name    = req.textContent,
              rbutton = document.createElement('BUTTON'),
              div     = document.createElement('DIV'),
              tr      = document.createElement('TR'),
              results = { r: document.createElement('TABLE'), t: document.createElement('TABLE') };
        results.r.dataset.rid = id;
        results.t.dataset.title = title;
        req.closest('td[width="100%"] > table').parentNode
          .appendChild(results.r).parentNode
          .appendChild(results.t);

        HITStorage.recall('HIT', {index: 'title', range: window.IDBKeyRange.only(title), limit: 1} )
          .then(processResults.bind(tbutton,results.t));
        HITStorage.recall('HIT', {index: 'requesterId', range: window.IDBKeyRange.only(id), limit: 1} )
          .then(processResults.bind(rbutton,results.r));

        tr.appendChild(div);
        div.id = `hitdbRTInjection-${i}`;
        div.appendChild(rbutton);
        rbutton.textContent = 'R';
        rbutton.classList.add('hitdbRTButtons');
        rbutton.onclick = showResults.bind(results.r, 'req', title);
        rbutton.title = 'Show HITs completed from this requester';
        div.appendChild(tbutton);
        tbutton.textContent = 'T';
        tbutton.classList.add('hitdbRTButtons');
        tbutton.onclick = showResults.bind(results.t, 'title', name);
        req.closest('tbody').appendChild(tr);
      });
    } // else

    function showResults(type, match) {//{{{
      /*jshint validthis: true*/
      if (!this.dataset.hasResults) return;
      if (this.children.length) // table is populated
        this.innerHTML = '';
      else { // need to populate table
        var head = this.createTHead(),
            body = this.createTBody(),
            capt = this.createCaption(),
            style= "font-size:10px;font-weight:bold;text-align:center",
            validKeys = function(obj) { return Object.keys(obj).filter(function(v) { return !~v.search(/total[A-Z]/); }); };

        capt.innerHTML = '<span style="'+style+'">Loading...<label class="spin"></label></span>';

        if (type === "req") {
          HITStorage.recall("HIT", {index:"requesterId", range:window.IDBKeyRange.only(this.dataset.rid)})
            .then( function(r) {
              var cbydate = r.collate(r.results, "date"),
                  kbydate = validKeys(cbydate),
                  cbydatextitle, kbytitle, bodyHTML = [];
              kbydate.forEach(function(date) {
                cbydatextitle = r.collate(cbydate[date], "title");
                kbytitle = validKeys(cbydatextitle);
                kbytitle.forEach(function(title) {
                  bodyHTML.push('<tr style="text-align:center;"><td>'+date+'</td>' +
                      '<td style="text-align:left">'+title.trim()+'</td><td>'+cbydatextitle[title].length+'</td>' +
                      '<td>'+Number(Math.decRound(cbydatextitle[title].pay,2)).toFixed(2)+'</td></tr>');
                });
              });
              var help = "Total number of HITs submitted for a given date with the same title\n" +
                "(aggregates results with the same title to simplify the table and reduce unnecessary spam for batch workers)"; 
              head.innerHTML = '<tr style="'+style+'"><th>Date</th><th>Title</th>' +
                '<th><span class="helpSpan" title="'+help+'">#HITs</span></th><th>Total Rewards</th></tr>';
              body.innerHTML = bodyHTML.sort(function(a,b) {
                return a.match(/\d{4}-\d{2}-\d{2}/)[0] < b.match(/\d{4}-\d{2}-\d{2}/)[0] ? 1 : -1;
              }).join('');
              capt.innerHTML = '<label style="'+style+'">HITs Matching This Requester</label>';

              var mrows = Array.prototype.filter.call(body.rows, function(v) {return v.cells[1].textContent === match});
              for (var row of mrows)
                row.style.background = "lightgreen";
            });
        }
        else if (type === "title") {
          HITStorage.recall("HIT", {index:"title", range:window.IDBKeyRange.only(this.dataset.title)})
            .then( function(r) {
              var cbyreq = r.collate(r.results, "requesterName"),
                  kbyreq = validKeys(cbyreq),
                  bodyHTML = [];
              for (var key of kbyreq)
                bodyHTML.push('<tr style="text-align:center;"><td>'+key+'</td><td>'+cbyreq[key].length+'</td>' +
                    '<td>'+Number(Math.decRound(cbyreq[key].pay,2)).toFixed(2)+'</td></tr>');
              var help = "Total number of HITs matching this title submitted for a given requester\n" +
                "(aggregates results with the same requester name to simplify the table and reduce unnecessary spam for batch workers)";
              head.innerHTML = '<tr style="'+style+'"><th>Requester Name</th>' +
                '<th><span class="helpSpan" title="'+help+'">#HITs</span></th><th>Total Rewards</th></tr>';
              body.innerHTML = bodyHTML.join('');
              capt.innerHTML = '<label style="'+style+'">Reqesters With HITs Matching This Title</label>';

              var mrows = Array.prototype.filter.call(body.rows, function(v) {return v.cells[0].textContent === match});
              for (var row of mrows)
                row.style.background = "lightgreen";
            });
        } //if type === 'title'
      }//populate table
    }//}}} showResults

    function processResults(table, r) {
      /*jshint validthis: true*/
      if (r.results.length) {
        table.dataset.hasResults = 'true';
        this.classList.add('hitdbRTButtons-green');
      }
    }
    
  }//}}} btdt

  function showHiddenRows(e) {//{{{
    var rid = e.target.parentNode.textContent.substr(4);
    var nodes = getAll('tr[data-rid="'+rid+'"]'), el = null;
    if (e.target.textContent === "[+]") {
      for (el of nodes)
        el.style.display="table-row";
      e.target.textContent = "[-]";
    } else {
      for (el of nodes)
        el.style.display="none";
      e.target.textContent = "[+]";
    }
  }//}}}

  function showHitsByDate(e) {//{{{
    var date = e.target.parentNode.nextSibling.textContent,
        row  = e.target.parentNode.parentNode,
        table= row.parentNode;

    if (e.target.textContent === "[+]") {
      e.target.textContent = "[-]";
      var nrow = table.insertBefore(document.createElement("TR"), row.nextSibling);
      nrow.className = row.className;
      nrow.innerHTML = '<td><b>Loading...<label class="spin"></label></b></td>';
      HITStorage.recall("HIT", {index: "date", range: window.IDBKeyRange.only(date)}).then( function(r) {
        nrow.innerHTML = '<td colspan="7"><table style="width:760;color:#c60;">' + r.formatHTML({compact: true}) + '</table></td>';
      });
    } else {
      e.target.textContent = "[+]";
      table.removeChild(row.nextSibling);
    }
  }//}}} showHitsByDate

  function updateBonus(e) {//{{{
    if (e instanceof window.KeyboardEvent && e.keyCode === 13) {
      e.target.blur();
      return false;
    } else if (e instanceof window.FocusEvent) {
      var _bonus = +e.target.textContent.replace(/[^\d.]/g,""),
          _tBonusCell = e.target.offsetParent.tFoot.rows[0].cells[4],
          _tBonus = +_tBonusCell.textContent.replace(/\$/,"");
      e.target.textContent = Number(_bonus).toFixed(2);
      _tBonusCell.textContent = '$'+Number(_tBonus-e.target.dataset.initial+_bonus).toFixed(2);
      if (_bonus !== +e.target.dataset.initial) {
        console.log("updating bonus to",_bonus,"from",e.target.dataset.initial,"("+e.target.dataset.hitid+")");
        e.target.dataset.initial = _bonus;
        var _range = window.IDBKeyRange.only(e.target.dataset.hitid);

        HITStorage.db.transaction("HIT", "readwrite").objectStore("HIT").openCursor(_range).onsuccess = function() {
          var c = this.result;
          if (c) {
            c.value.bonus = _bonus;
            c.update(c.value);
          } 
        }; // idbcursor
      } // bonus is new value
    } // keycode
  } //}}} updateBonus

  // writing callback functions {{{
  function cbImport() {
    /*jshint validthis:true*/
    Status.push("Importing " + this.total + " entries");
    if (++this.total !== this.requests) return;
    Status.push("Importing " + this.total + " entries... Done!", "green");
    try { Progress.hide(); metrics.dbimport.stop(); metrics.dbimport.report(); } catch(err) {}
  }
  function cbUpdate() {
    /*jshint validthis:true*/
    if (++this.total !== this.requests) return;
    if (qc.extraDays) qc.extraDays = false;
    if (HITStorage.data) HITStorage.data = null;
    Status.push("Update Complete!", "green");
    ProjectedEarnings.setProperties({ dbUpdated: new Date().toLocalISOString() }).painter.update();
    Utils.disableButtons(['hdbUpdate'], false);
    Progress.hide(); metrics.dbupdate.stop(); metrics.dbupdate.report();
  }
  //}}}

  function autoScroll(location, dt) {//{{{
    var target = get(location).offsetTop,
        pos    = window.scrollY,
        dpos   = Math.ceil((target - pos)/3);
    dt = dt ? dt-1 : 25; // time step/max recursions

    if (target === pos || dpos === 0 || dt === 0) return;

    window.scrollBy(0, dpos);
    setTimeout(function() { autoScroll(location, dt); }, dt);
  }//}}}

  function Calendar(offsetX, offsetY, caller) {//{{{
    this.date = new Date();
    this.offsetX = offsetX;
    this.offsetY = offsetY;
    this.caller = caller;
    this.drawCalendar = function(year,month,day) {//{{{
      year = year || this.date.getFullYear();
      month = month || this.date.getMonth()+1;
      day = day || this.date.getDate();
      var longMonths = ["January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"];
      var date = new Date(year,month-1,day);
      var anchors = _getAnchors(date);

      //make new container if one doesn't already exist
      var container = null;
      if (get("#hdbCalendarPanel")) { 
        container = get("#hdbCalendarPanel");
        container.removeChild( container.getElementsByTagName("TABLE")[0] );
      }
      else {
        container = document.createElement("DIV");
        container.id = "hdbCalendarPanel";
        document.body.appendChild(container);
      }
      container.style.left = this.offsetX;
      container.style.top = this.offsetY;
      var cal = document.createElement("TABLE");
      cal.cellSpacing = "0";
      cal.cellPadding = "0";
      cal.border = "0";
      container.appendChild(cal);
      cal.innerHTML = '<tr>' +
        '<th class="hdbCalHeader hdbCalControls" title="Previous month" style="text-align:right;"><span>&lt;</span></th>' +
        '<th class="hdbCalHeader hdbCalControls" title="Previous year" style="text-align:center;"><span>&#8810;</span></th>' +
        '<th colspan="3" id="hdbCalTableTitle" class="hdbCalHeader">'+date.getFullYear()+'<br>'+longMonths[date.getMonth()]+'</th>' +
        '<th class="hdbCalHeader hdbCalControls" title="Next year" style="text-align:center;"><span>&#8811;</span></th>' +
        '<th class="hdbCalHeader hdbCalControls" title="Next month" style="text-align:left;"><span>&gt;</span></th>' +
        '</tr><tr><th class="hdbDayHeader" style="color:red;">S</th><th class="hdbDayHeader">M</th>' +
        '<th class="hdbDayHeader">T</th><th class="hdbDayHeader">W</th><th class="hdbDayHeader">T</th>' +
        '<th class="hdbDayHeader">F</th><th class="hdbDayHeader">S</th></tr>';
      
      get('th[title="Previous month"]').addEventListener( "click", function() { 
        this.drawCalendar(date.getFullYear(), date.getMonth(), 1);
      }.bind(this) );
      get('th[title="Previous year"]').addEventListener( "click", function() {
        this.drawCalendar(date.getFullYear()-1, date.getMonth()+1, 1);
      }.bind(this) );
      get('th[title="Next month"]').addEventListener( "click", function() {
        this.drawCalendar(date.getFullYear(), date.getMonth()+2, 1);
      }.bind(this) );
      get('th[title="Next year"]').addEventListener( "click", function() {
        this.drawCalendar(date.getFullYear()+1, date.getMonth()+1, 1);
      }.bind(this) );

      var hasDay = false, thisDay = 1;
      for (var i=0;i<6;i++) { // cycle weeks
        var row = document.createElement("TR");
        for (var j=0;j<7;j++) { // cycle days
          if (!hasDay && j === anchors.first && thisDay < anchors.total)
            hasDay = true;
          else if (hasDay && thisDay > anchors.total)
            hasDay = false;

          var cell = document.createElement("TD");
          cell.classList.add("hdbCalCells");
          row.appendChild(cell);
          if (hasDay) {
            cell.classList.add("hdbCalDays");
            cell.textContent = thisDay;
            cell.addEventListener("click", _clickHandler.bind(this));
            cell.dataset.year = date.getFullYear();
            cell.dataset.month = date.getMonth()+1;
            cell.dataset.day = thisDay++;
          }
        } // for j
        cal.appendChild(row);
      } // for i
      var controls = cal.insertRow(-1);
      controls.insertCell(0);
      controls.cells[0].colSpan = "7";
      controls.cells[0].classList.add("hdbCalCells");
      controls.cells[0].innerHTML = ' &nbsp; &nbsp; <a href="javascript:void(0)" style="font-weight:bold;text-decoration:none;">Clear</a>' + 
        ' &nbsp; <a href="javascript:void(0)" style="font-weight:bold;text-decoration:none;">Close</a>';
      controls.cells[0].children[0].onclick = function() { this.caller.value = ""; }.bind(this);
      controls.cells[0].children[1].onclick = this.die;

      function _clickHandler(e) {
        /*jshint validthis:true*/

        var y = e.target.dataset.year;
        var m = Number(e.target.dataset.month).toPadded();
        var d = Number(e.target.dataset.day).toPadded();
        this.caller.value = y+"-"+m+"-"+d;
        this.die();
      }

      function _getAnchors(date) {
        var _anchors = {};
        date.setMonth(date.getMonth()+1);
        date.setDate(0);
        _anchors.total = date.getDate();
        date.setDate(1);
        _anchors.first = date.getDay();
        return _anchors;
      }
    };//}}} drawCalendar

    this.die = function() { document.getElementById('hdbCalendarPanel').remove(); };

  }//}}} Calendar

  // instance metrics apart from window scoped PerformanceTiming API
  function Metrics(name) {//{{{
    this.name = name || "undefined";
    this.marks = {};
    this.start = window.performance.now();
    this.end = null;
    this.stop = function(){
      if (!this.end) 
        this.end = window.performance.now();
      else
        Utils.errorHandler(new Error("Metrics::AccessViolation - end point cannot be overwritten"));
    };
    this.mark = function(name,position) {
      if (position === "end" && !this.marks[name]) return;

      if (!this.marks[name])
        this.marks[name] = {};
      if (!this.marks[name][position])
        this.marks[name][position] = window.performance.now();
    };
    this.report = function() {
      console.group("Metrics for",this.name.toUpperCase());
      console.log("Process completed in",+Number((this.end-this.start)/1000).toFixed(3),"seconds");
      for (var k in this.marks) {
        if (this.marks.hasOwnProperty(k)) {
          console.log(k,"occurred after",+Number((this.marks[k].start-this.start)/1000).toFixed(3),"seconds,",
              "resolving in", +Number((this.marks[k].end-this.marks[k].start)/1000).toFixed(3), "seconds");
        }
      }
      console.groupEnd();
    };
  }//}}}

  function INITDB() {//{{{
    HITStorage.db = this.result;
    self.HITStorage = {db: this.result};
    if (localStorage.getItem('hitdb_ridx') === 'true') return;

    Utils.disableButtons(['hdbDaily','hdbRequester','hdbPending','hdbSearch'], true);
    var count = 0;
    this.result.transaction('HIT', 'readwrite').objectStore('HIT').openCursor().onsuccess = function() {
      if (!this.result) {
        Status.push('Done.');
        Utils.disableButtons(['hdbDaily','hdbRequester','hdbPending','hdbSearch'], false);
        return localStorage.setItem('hitdb_ridx', 'true');
      }
      Status.push('Performing integrity check... ' + (++count));
      var r = this.result.value;
      if (typeof r.reward === 'object') {
        if (r.reward === null) r.reward = 0;
        else {
          r.bonus = r.reward.bonus || 0;
          r.reward = r.reward.pay || 0;
        }
        this.result.update(r);
      }
      this.result.continue();
    };
  }//}}}
})(); //scoping

// vim: ts=2:sw=2:et:fdm=marker:noai