codecombat/scripts/analytics/mongodb/queries/insertAnalyticsActiveUsers.js
2016-02-28 15:24:35 -08:00

350 lines
13 KiB
JavaScript

/* global ISODate */
/* global Mongo */
/* global ObjectId */
/* global db */
/* global printjson */
// Insert per-day active user counts into analytics.perdays collection
// Usage:
// mongo <address>:<port>/<database> <script file> -u <username> -p <password>
try {
var logDB = new Mongo("localhost").getDB("analytics")
var scriptStartTime = new Date();
var analyticsStringCache = {};
var numDays = 50;
var daysInMonth = 30;
var startDay = new Date();
var today = startDay.toISOString().substr(0, 10);
startDay.setUTCDate(startDay.getUTCDate() - numDays);
startDay = startDay.toISOString().substr(0, 10);
var endDay = new Date();
endDay = endDay.toISOString().substr(0, 10);
// startDay = '2015-06-01';
// endDay = '2015-08-01';
var activeUserEvents = ['Finished Signup', 'Started Level'];
// Analytics logging failure resulted in lost data for 2/2/16 through 2/9/16.
var missingDataDays = ['2016-02-02', '2016-02-03', '2016-02-04', '2016-02-05', '2016-02-06', '2016-02-07', '2016-02-08', '2016-02-09'];
log("Today is " + today);
log("Start day is " + startDay);
log("End day is " + endDay);
log("Getting active user counts..");
var activeUserCounts = getActiveUserCounts(startDay, endDay, activeUserEvents);
// printjson(activeUserCounts);
log("Inserting active user counts..");
for (var day in activeUserCounts) {
if (today === day) continue; // Never save data for today because it's incomplete
for (var event in activeUserCounts[day]) {
// print(day, '\t', event, '\t', activeUserCounts[day][event]);
insertEventCount(event, day, activeUserCounts[day][event]);
}
}
}
catch(err) {
log("ERROR!");
printjson(err);
}
finally {
log("Script runtime: " + (new Date() - scriptStartTime));
}
function getActiveUserCounts(startDay, endDay, activeUserEvents) {
// Counts active users per day
if (!startDay) return {};
// Faster to request analytics db data in batches of days
var dayIncrement = 3;
var startDate = new Date(startDay + "T00:00:00.000Z");
var interimEndDate = new Date(startDay + "T00:00:00.000Z");
interimEndDate.setUTCDate(interimEndDate.getUTCDate() + dayIncrement);
var interimEndDay = interimEndDate.toISOString().substr(0, 10);
var cursor, doc;
log("Finding active user log events..");
var campaignUserMap = {};
var days = {};
var dayUserActiveMap = {};
var userIDs = [];
while (startDay < endDay) {
var startObj = objectIdWithTimestamp(ISODate(startDay + "T00:00:00.000Z"));
var endObj = objectIdWithTimestamp(ISODate(interimEndDay + "T00:00:00.000Z"));
var queryParams = {$and: [
{_id: {$gte: startObj}},
{_id: {$lt: endObj}},
{'event': {$in: activeUserEvents}}
]};
cursor = logDB['log'].find(queryParams);
while (cursor.hasNext()) {
doc = cursor.next();
var created = doc._id.getTimestamp().toISOString();
var day = created.substring(0, 10);
var user = doc.user.valueOf();
days[day] = true;
campaignUserMap[user] = true;
if (!dayUserActiveMap[day]) dayUserActiveMap[day] = {};
dayUserActiveMap[day][user] = true;
userIDs.push(ObjectId(user));
// if (userIDs.length % 100000 === 0) {
// log('Users so far: ' + userIDs.length);
// }
}
startDate.setUTCDate(startDate.getUTCDate() + dayIncrement);
startDay = startDate.toISOString().substr(0, 10);
interimEndDate.setUTCDate(interimEndDate.getUTCDate() + dayIncrement);
interimEndDay = interimEndDate.toISOString().substr(0, 10);
if (interimEndDay.localeCompare(endDay) > 0) {
interimEndDay = endDay;
}
}
log('User count: ' + userIDs.length);
days = Object.keys(days);
days.sort(function (a, b) {return a.localeCompare(b);});
log("Finding classroom members..");
var classroomUserObjectIds = [];
var batchSize = 100000;
for (var j = 0; j < userIDs.length / batchSize + 1; j++) {
cursor = db.classrooms.find({members: {$in: userIDs.slice(j * batchSize, j * batchSize + batchSize)}}, {members: 1});
while (cursor.hasNext()) {
doc = cursor.next();
if (doc.members) {
for (var i = 0; i < doc.members.length; i++) {
var userID = doc.members[i].valueOf();
campaignUserMap[userID] = false;
classroomUserObjectIds.push(doc.members[i]);
}
}
}
}
log("Classroom user count: " + classroomUserObjectIds.length);
// Classrooms free/trial/paid
// Paid user: user.coursePrepaidID set means access to paid courses
// Trial user: prepaid.properties.trialRequestID means access was via trial
// Free: not paid, not trial
log("Finding classroom users free/trial/paid status..");
var classroomUserEventMap = {};
var prepaidUsersMap = {};
var prepaidIDs = [];
cursor = db.users.find({_id: {$in: classroomUserObjectIds}}, {coursePrepaidID: 1});
while (cursor.hasNext()) {
doc = cursor.next();
if (doc.coursePrepaidID) {
classroomUserEventMap[doc._id.valueOf()] = 'DAU classroom paid';
if (!prepaidUsersMap[doc.coursePrepaidID.valueOf()]) prepaidUsersMap[doc.coursePrepaidID.valueOf()] = [];
prepaidUsersMap[doc.coursePrepaidID.valueOf()].push(doc._id.valueOf());
prepaidIDs.push(doc.coursePrepaidID);
}
else {
classroomUserEventMap[doc._id.valueOf()] = 'DAU classroom free';
}
}
cursor = db.prepaids.find({_id: {$in: prepaidIDs}}, {properties: 1});
while (cursor.hasNext()) {
doc = cursor.next();
if (doc.properties && doc.properties.trialRequestID) {
for (var i = 0; i < prepaidUsersMap[doc._id.valueOf()].length; i++) {
classroomUserEventMap[prepaidUsersMap[doc._id.valueOf()][i]] = 'DAU classroom trial';
}
}
}
// Campaign free/paid
// Monthly sub: recipient for payment.stripe.subscriptionID == 'basic'
// Yearly sub: recipient for paymen.stripe.gems == 42000
// NOTE: payment.stripe.subscriptionID === basic from 2014-12-03 to 2015-03-13
// TODO: missing a number of corner cases here (e.g. cancelled sub, purchased via admin)
var campaignUserIDs = [];
for (var userID in campaignUserMap) {
if (campaignUserMap[userID]) campaignUserIDs.push(ObjectId(userID));
}
log("Finding campaign paid users..");
var dayCampaignUserPaidMap = {};
batchSize = 100000;
for (var j = 0; j < campaignUserIDs.length / batchSize + 1; j++) {
cursor = db.payments.find({$and: [
{recipient: {$in: campaignUserIDs.slice(j * batchSize, j * batchSize + batchSize)}},
{$or: [
{$and: [{amount: {$gt: 0}}, {gems: 3500}, {'stripe.subscriptionID': {$exists: true}}]},
{gems: 42000}
]}
]}, {created: 1, gems: 1, recipient: 1});
while (cursor.hasNext()) {
doc = cursor.next();
var currentDate = new Date(doc.created || doc._id.getTimestamp());
userID = doc.recipient.valueOf();
var numDays = doc.gems === 42000 ? 365 : 30;
for (var i = 0; i < numDays; i++) {
day = currentDate.toISOString().substring(0, 10);
if (!dayCampaignUserPaidMap[day]) dayCampaignUserPaidMap[day] = {};
dayCampaignUserPaidMap[day][userID] = true;
currentDate.setUTCDate(currentDate.getUTCDate() + 1);
}
}
}
log("Calculating DAUs..");
var activeUsersCounts = {};
var dailyEventNames = {};
var userDayEventMap = {}
for (day in dayUserActiveMap) {
for (var user in dayUserActiveMap[day]) {
var event = classroomUserEventMap[user] || (dayCampaignUserPaidMap[day] && dayCampaignUserPaidMap[day][user] ? 'DAU campaign paid' : 'DAU campaign free');
dailyEventNames[event] = true;
if (!activeUsersCounts[day]) activeUsersCounts[day] = {};
if (!activeUsersCounts[day][event]) activeUsersCounts[day][event] = 0;
activeUsersCounts[day][event]++;
if (!userDayEventMap[user]) userDayEventMap[user] = {};
userDayEventMap[user][day] = event;
}
}
// printjson(dailyEventNames)
// NOTE: analytics logging failure resulted in lost data for 2/2/16 through 2/9/16. Approximating those missing days here.
// Correction for a given event: previous week's value + previous week's diff from start to end if > 0
for (var day in activeUsersCounts) {
if (missingDataDays.indexOf(day) >= 0) {
var prevDate = new Date(day + "T00:00:00.000Z");
prevDate.setUTCDate(prevDate.getUTCDate() - 7);
var prevStartDate = new Date(prevDate);
prevStartDate.setUTCDate(prevStartDate.getUTCDate() - 7);
var prevStartDay = prevStartDate.toISOString().substring(0, 10);
var prevDay = prevDate.toISOString().substring(0, 10);
for (var event in dailyEventNames) {
if (activeUsersCounts[prevDay] && activeUsersCounts[prevStartDay]) {
var prevValue = activeUsersCounts[prevDay][event];
var prevStartValue = activeUsersCounts[prevStartDay][event];
var prevWeekDiff = Math.max(prevValue - prevStartValue, 0);
var betterValue = prevValue + prevWeekDiff;
// var currentValue = activeUsersCounts[day][event] || 0;
activeUsersCounts[day][event] = betterValue;
// print(prevStartDay, '\t', prevDay, '\t', prevValue, '-', prevStartValue, '\t', prevWeekDiff, '\t', day, '\t', event, '\t', prevValue, '\t', currentValue, '\t', betterValue);
}
}
}
}
log("Calculating MAUs..");
// Calculate monthly actives for each day, starting when we have enough data
// TODO: missing log data correction for MAUs
for (var user in campaignUserMap) {
// For each day, starting when we have daysInMonth days of prior data
for (var i = daysInMonth - 1; i < days.length; i++) {
var targetMonthlyDay = days[i];
var eventActiveMap = {}
// Find active events for the last daysInMonth days up to the current day
for (var j = i - daysInMonth + 1; j <= i; j++) {
var targetDailyDay = days[j];
if (dayUserActiveMap[targetDailyDay][user]) {
event = userDayEventMap[user][targetDailyDay];
eventActiveMap[event] = true;
}
}
for (var event in eventActiveMap) {
var mauEvent = event.replace('DAU', 'MAU');
if (!activeUsersCounts[targetMonthlyDay][mauEvent]) activeUsersCounts[targetMonthlyDay][mauEvent] = 0;
activeUsersCounts[targetMonthlyDay][mauEvent]++;
}
}
}
return activeUsersCounts;
}
// *** Helper functions ***
function log(str) {
print(new Date().toISOString() + " " + str);
}
function objectIdWithTimestamp(timestamp) {
// Convert string date to Date object (otherwise assume timestamp is a date)
if (typeof(timestamp) == 'string') timestamp = new Date(timestamp);
// Convert date object to hex seconds since Unix epoch
var hexSeconds = Math.floor(timestamp/1000).toString(16);
// Create an ObjectId with that hex timestamp
var constructedObjectId = ObjectId(hexSeconds + "0000000000000000");
return constructedObjectId
}
function getAnalyticsString(str) {
if (analyticsStringCache[str]) return analyticsStringCache[str];
// Find existing string
var doc = db['analytics.strings'].findOne({v: str});
if (doc) {
analyticsStringCache[str] = doc._id;
return analyticsStringCache[str];
}
// Insert string
// http://docs.mongodb.org/manual/tutorial/create-an-auto-incrementing-field/#auto-increment-optimistic-loop
doc = {v: str};
while (true) {
var cursor = db['analytics.strings'].find({}, {_id: 1}).sort({_id: -1}).limit(1);
var seq = cursor.hasNext() ? cursor.next()._id + 1 : 1;
doc._id = seq;
var results = db['analytics.strings'].insert(doc);
if (results.hasWriteError()) {
if ( results.writeError.code == 11000 /* dup key */ ) continue;
else throw new Error("ERROR: Unexpected error inserting data: " + tojson(results));
}
break;
}
// Find new string entry
doc = db['analytics.strings'].findOne({v: str});
if (doc) {
analyticsStringCache[str] = doc._id;
return analyticsStringCache[str];
}
throw new Error("ERROR: Did not find analytics.strings insert for: " + str);
}
function insertEventCount(event, day, count) {
// analytics.perdays schema in server/analytics/AnalyticsPeryDay.coffee
day = day.replace(/-/g, '');
var eventID = getAnalyticsString(event);
var filterID = getAnalyticsString('all');
var queryParams = {$and: [{d: day}, {e: eventID}, {f: filterID}]};
var doc = db['analytics.perdays'].findOne(queryParams);
if (doc && doc.c === count) return;
if (doc && doc.c !== count) {
// Update existing count, assume new one is more accurate
// Don't overwrite missing data days
// log("Updating count in db for " + day + " " + event + " " + doc.c + " => " + count);
if (missingDataDays.indexOf(day) < 0 || doc.c < count) {
var results = db['analytics.perdays'].update(queryParams, {$set: {c: count}});
if (results.nMatched !== 1 && results.nModified !== 1) {
log("ERROR: update event count failed");
printjson(results);
}
}
}
else {
var insertDoc = {d: day, e: eventID, f: filterID, c: count};
var results = db['analytics.perdays'].insert(insertDoc);
if (results.nInserted !== 1) {
log("ERROR: insert event failed");
printjson(results);
printjson(insertDoc);
}
// else {
// log("Added " + day + " " + event + " " + count);
// }
}
}