mirror of
https://github.com/titanscouting/tra-analysis.git
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237 lines
9.1 KiB
JavaScript
237 lines
9.1 KiB
JavaScript
"use strict";
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// The MIT License (MIT)
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//
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// Copyright (c) 2017 Firebase
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the 'Software'), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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// SOFTWARE.
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Object.defineProperty(exports, "__esModule", { value: true });
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const _ = require("lodash");
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const cloud_functions_1 = require("../cloud-functions");
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/** @internal */
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exports.provider = 'google.analytics';
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/** @internal */
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exports.service = 'app-measurement.com';
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/**
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* Select analytics events to listen to for events.
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* @param analyticsEventType Name of the analytics event type.
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*/
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function event(analyticsEventType) {
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return _eventWithOpts(analyticsEventType, {});
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}
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exports.event = event;
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/** @internal */
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function _eventWithOpts(analyticsEventType, opts) {
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return new AnalyticsEventBuilder(() => {
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if (!process.env.GCLOUD_PROJECT) {
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throw new Error('process.env.GCLOUD_PROJECT is not set.');
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}
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return ('projects/' + process.env.GCLOUD_PROJECT + '/events/' + analyticsEventType);
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}, opts);
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}
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exports._eventWithOpts = _eventWithOpts;
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/**
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* The Firebase Analytics event builder interface.
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*
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* Access via [`functions.analytics.event()`](functions.analytics#event).
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*/
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class AnalyticsEventBuilder {
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/** @internal */
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constructor(triggerResource, opts) {
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this.triggerResource = triggerResource;
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this.opts = opts;
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}
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/**
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* Event handler that fires every time a Firebase Analytics event occurs.
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*
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* @param {!function(!functions.Event<!functions.analytics.AnalyticsEvent>)}
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* handler Event handler that fires every time a Firebase Analytics event
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* occurs.
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*
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* @return {!functions.CloudFunction<!functions.analytics.AnalyticsEvent>} A
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* Cloud Function you can export.
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*/
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onLog(handler) {
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const dataConstructor = (raw) => {
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return new AnalyticsEvent(raw.data);
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};
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return cloud_functions_1.makeCloudFunction({
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handler,
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provider: exports.provider,
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eventType: 'event.log',
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service: exports.service,
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legacyEventType: `providers/google.firebase.analytics/eventTypes/event.log`,
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triggerResource: this.triggerResource,
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dataConstructor,
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opts: this.opts,
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});
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}
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}
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exports.AnalyticsEventBuilder = AnalyticsEventBuilder;
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/**
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* Interface representing a Firebase Analytics event that was logged for a specific user.
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*/
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class AnalyticsEvent {
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/** @internal */
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constructor(wireFormat) {
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this.params = {}; // In case of absent field, show empty (not absent) map.
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if (wireFormat.eventDim && wireFormat.eventDim.length > 0) {
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// If there's an eventDim, there'll always be exactly one.
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let eventDim = wireFormat.eventDim[0];
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copyField(eventDim, this, 'name');
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copyField(eventDim, this, 'params', p => _.mapValues(p, unwrapValue));
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copyFieldTo(eventDim, this, 'valueInUsd', 'valueInUSD');
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copyFieldTo(eventDim, this, 'date', 'reportingDate');
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copyTimestampToString(eventDim, this, 'timestampMicros', 'logTime');
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copyTimestampToString(eventDim, this, 'previousTimestampMicros', 'previousLogTime');
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}
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copyFieldTo(wireFormat, this, 'userDim', 'user', dim => new UserDimensions(dim));
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}
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}
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exports.AnalyticsEvent = AnalyticsEvent;
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/**
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* Interface representing the user who triggered the events.
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*/
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class UserDimensions {
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/** @internal */
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constructor(wireFormat) {
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// These are interfaces or primitives, no transformation needed.
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copyFields(wireFormat, this, [
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'userId',
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'deviceInfo',
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'geoInfo',
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'appInfo',
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]);
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// The following fields do need transformations of some sort.
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copyTimestampToString(wireFormat, this, 'firstOpenTimestampMicros', 'firstOpenTime');
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this.userProperties = {}; // With no entries in the wire format, present an empty (as opposed to absent) map.
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copyField(wireFormat, this, 'userProperties', r => _.mapValues(r, p => new UserPropertyValue(p)));
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copyField(wireFormat, this, 'bundleInfo', r => new ExportBundleInfo(r));
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// BUG(36000368) Remove when no longer necessary
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/* tslint:disable:no-string-literal */
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if (!this.userId && this.userProperties['user_id']) {
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this.userId = this.userProperties['user_id'].value;
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}
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/* tslint:enable:no-string-literal */
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}
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}
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exports.UserDimensions = UserDimensions;
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/**
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* Predefined or custom properties stored on the client side.
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*/
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class UserPropertyValue {
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/** @internal */
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constructor(wireFormat) {
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copyField(wireFormat, this, 'value', unwrapValueAsString);
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copyTimestampToString(wireFormat, this, 'setTimestampUsec', 'setTime');
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}
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}
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exports.UserPropertyValue = UserPropertyValue;
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/**
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* Interface representing the bundle in which these events were uploaded.
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*/
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class ExportBundleInfo {
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/** @internal */
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constructor(wireFormat) {
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copyField(wireFormat, this, 'bundleSequenceId');
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copyTimestampToMillis(wireFormat, this, 'serverTimestampOffsetMicros', 'serverTimestampOffset');
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}
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}
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exports.ExportBundleInfo = ExportBundleInfo;
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function copyFieldTo(from, to, fromField, toField, transform = _.identity) {
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if (from[fromField] !== undefined) {
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to[toField] = transform(from[fromField]);
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}
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}
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function copyField(from, to, field, transform = _.identity) {
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copyFieldTo(from, to, field, field, transform);
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}
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function copyFields(from, to, fields) {
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for (let field of fields) {
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copyField(from, to, field);
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}
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}
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// The incoming payload will have fields like:
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// {
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// 'myInt': {
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// 'intValue': '123'
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// },
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// 'myDouble': {
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// 'doubleValue': 1.0
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// },
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// 'myFloat': {
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// 'floatValue': 1.1
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// },
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// 'myString': {
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// 'stringValue': 'hi!'
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// }
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// }
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//
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// The following method will remove these four types of 'xValue' fields, flattening them
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// to just their values, as a string:
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// {
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// 'myInt': '123',
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// 'myDouble': '1.0',
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// 'myFloat': '1.1',
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// 'myString': 'hi!'
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// }
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//
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// Note that while 'intValue' will have a quoted payload, 'doubleValue' and 'floatValue' will not. This
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// is due to the encoding library, which renders int64 values as strings to avoid loss of precision. This
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// method always returns a string, similarly to avoid loss of precision, unlike the less-conservative
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// 'unwrapValue' method just below.
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function unwrapValueAsString(wrapped) {
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let key = _.keys(wrapped)[0];
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return _.toString(wrapped[key]);
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}
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// Ditto as the method above, but returning the values in the idiomatic JavaScript type (string for strings,
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// number for numbers):
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// {
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// 'myInt': 123,
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// 'myDouble': 1.0,
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// 'myFloat': 1.1,
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// 'myString': 'hi!'
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// }
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//
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// The field names in the incoming xValue fields identify the type a value has, which for JavaScript's
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// purposes can be divided into 'number' versus 'string'. This method will render all the numbers as
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// JavaScript's 'number' type, since we prefer using idiomatic types. Note that this may lead to loss
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// in precision for int64 fields, so use with care.
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const xValueNumberFields = ['intValue', 'floatValue', 'doubleValue'];
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function unwrapValue(wrapped) {
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let key = _.keys(wrapped)[0];
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let value = unwrapValueAsString(wrapped);
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return _.includes(xValueNumberFields, key) ? _.toNumber(value) : value;
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}
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// The JSON payload delivers timestamp fields as strings of timestamps denoted in microseconds.
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// The JavaScript convention is to use numbers denoted in milliseconds. This method
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// makes it easy to convert a field of one type into the other.
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function copyTimestampToMillis(from, to, fromName, toName) {
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if (from[fromName] !== undefined) {
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to[toName] = _.round(from[fromName] / 1000);
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}
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}
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// The JSON payload delivers timestamp fields as strings of timestamps denoted in microseconds.
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// In our SDK, we'd like to present timestamp as ISO-format strings. This method makes it easy
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// to convert a field of one type into the other.
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function copyTimestampToString(from, to, fromName, toName) {
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if (from[fromName] !== undefined) {
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to[toName] = new Date(from[fromName] / 1000).toISOString();
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}
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}
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