From 6f9f1f9a2534a4fc6c50f6278bcf3cba7dd6f176 Mon Sep 17 00:00:00 2001
From: Kyle Spearrin <kyle.spearrin@gmail.com>
Date: Fri, 26 Jan 2018 10:35:44 -0500
Subject: [PATCH] extract analytics to jslib

---
 src/abstractions/platformUtils.service.ts |  1 +
 src/index.ts                              |  3 +-
 src/misc/analytics.ts                     | 96 +++++++++++++++++++++++
 src/misc/index.ts                         |  1 +
 4 files changed, 100 insertions(+), 1 deletion(-)
 create mode 100644 src/misc/analytics.ts
 create mode 100644 src/misc/index.ts

diff --git a/src/abstractions/platformUtils.service.ts b/src/abstractions/platformUtils.service.ts
index 39857adbd9..7b1e98ebb2 100644
--- a/src/abstractions/platformUtils.service.ts
+++ b/src/abstractions/platformUtils.service.ts
@@ -15,4 +15,5 @@ export abstract class PlatformUtilsService {
     launchUri: (uri: string, options?: any) => void;
     saveFile: (win: Window, blobData: any, blobOptions: any, fileName: string) => void;
     alertError: (title: string, message: string) => void;
+    getApplicationVersion: () => string;
 }
diff --git a/src/index.ts b/src/index.ts
index da1f6af9e0..5d4c096cc3 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -2,9 +2,10 @@ import * as Abstractions from './abstractions';
 import * as Enums from './enums';
 import * as Data from './models/data';
 import * as Domain from './models/domain';
+import * as Misc from './misc';
 import * as Request from './models/request';
 import * as Response from './models/response';
 import * as Services from './services';
 import * as View from './models/view';
 
-export { Abstractions, Enums, Data, Domain, Request, Response, Services, View };
+export { Abstractions, Enums, Data, Domain, Misc, Request, Response, Services, View };
diff --git a/src/misc/analytics.ts b/src/misc/analytics.ts
new file mode 100644
index 0000000000..98cfdebc5b
--- /dev/null
+++ b/src/misc/analytics.ts
@@ -0,0 +1,96 @@
+import { AppIdService } from '../abstractions/appId.service';
+import { PlatformUtilsService } from '../abstractions/platformUtils.service';
+import { StorageService } from '../abstractions/storage.service';
+
+import { ConstantsService } from '../services/constants.service';
+
+const GaObj = 'ga';
+
+export class Analytics {
+    private gaTrackingId: string = null;
+    private isFirefox = false;
+    private appVersion: string;
+
+    constructor(win: Window, private gaFilter?: () => boolean,
+        private platformUtilsService?: PlatformUtilsService, private storageService?: StorageService,
+        private appIdService?: AppIdService, private dependencyResolver?: () => any) {
+        if (dependencyResolver != null) {
+            const deps = dependencyResolver();
+            if (platformUtilsService == null && deps.platformUtilsService) {
+                this.platformUtilsService = deps.platformUtilsService as PlatformUtilsService;
+            }
+            if (storageService == null && deps.storageService) {
+                this.storageService = deps.storageService as StorageService;
+            }
+            if (appIdService == null && deps.appIdService) {
+                this.appIdService = deps.appIdService as AppIdService;
+            }
+        }
+
+        this.appVersion = this.platformUtilsService.getApplicationVersion();
+        this.isFirefox = this.platformUtilsService.isFirefox();
+        this.gaTrackingId = this.platformUtilsService.analyticsId();
+
+        (win as any).GoogleAnalyticsObject = GaObj;
+        (win as any)[GaObj] = async (action: string, param1: any, param2?: any) => {
+            await this.ga(action, param1, param2);
+        };
+    }
+
+    async ga(action: string, param1: any, param2?: any) {
+        if (this.gaFilter != null && this.gaFilter()) {
+            return;
+        }
+
+        const disabled = await this.storageService.get<boolean>(ConstantsService.disableGaKey);
+        // Default for Firefox is disabled.
+        if ((this.isFirefox && disabled == null) || disabled != null && disabled) {
+            return;
+        }
+
+        if (action !== 'send' || !param1) {
+            return;
+        }
+
+        const gaAnonAppId = await this.appIdService.getAnonymousAppId();
+        const version = encodeURIComponent(this.appVersion);
+        let message = 'v=1&tid=' + this.gaTrackingId + '&cid=' + gaAnonAppId + '&cd1=' + version;
+
+        if (param1 === 'pageview' && param2) {
+            message += this.gaTrackPageView(param2);
+        } else if (typeof param1 === 'object' && param1.hitType === 'pageview') {
+            message += this.gaTrackPageView(param1.page);
+        } else if (param1 === 'event' && param2) {
+            message += this.gaTrackEvent(param2);
+        } else if (typeof param1 === 'object' && param1.hitType === 'event') {
+            message += this.gaTrackEvent(param1);
+        }
+
+        const request = new XMLHttpRequest();
+        request.open('POST', 'https://www.google-analytics.com/collect', true);
+        request.send(message);
+    }
+
+    private gaTrackEvent(options: any) {
+        return '&t=event&ec=' + (options.eventCategory ? encodeURIComponent(options.eventCategory) : 'Event') +
+            '&ea=' + encodeURIComponent(options.eventAction) +
+            (options.eventLabel ? '&el=' + encodeURIComponent(options.eventLabel) : '') +
+            (options.eventValue ? '&ev=' + encodeURIComponent(options.eventValue) : '') +
+            (options.page ? '&dp=' + this.cleanPagePath(options.page) : '');
+    }
+
+    private gaTrackPageView(pagePath: string) {
+        return '&t=pageview&dp=' + this.cleanPagePath(pagePath);
+    }
+
+    private cleanPagePath(pagePath: string) {
+        const paramIndex = pagePath.indexOf('?');
+        if (paramIndex > -1) {
+            pagePath = pagePath.substring(0, paramIndex);
+        }
+        if (pagePath.indexOf('!/') === 0 || pagePath.indexOf('#/') === 0) {
+            pagePath = pagePath.substring(1);
+        }
+        return encodeURIComponent(pagePath);
+    }
+}
diff --git a/src/misc/index.ts b/src/misc/index.ts
new file mode 100644
index 0000000000..f26abc15fb
--- /dev/null
+++ b/src/misc/index.ts
@@ -0,0 +1 @@
+export { Analytics } from './analytics';