Add app install, foreground and background event and application enti…

…ty tracking

api-docs/docs/react-native-tracker/markdown/react-native-tracker.applifecycleconfiguration.appbuild.md

@@ -0,0 +1,15 @@
+<!-- Do not edit this file. It is automatically generated by API Documenter. -->
+
+[Home](./index.md) &gt; [@snowplow/react-native-tracker](./react-native-tracker.md) &gt; [AppLifecycleConfiguration](./react-native-tracker.applifecycleconfiguration.md) &gt; [appBuild](./react-native-tracker.applifecycleconfiguration.appbuild.md)
+
+## AppLifecycleConfiguration.appBuild property
+
+Build name of the application e.g s9f2k2d or 1.1.0 beta
+
+Entity schema: `iglu:com.snowplowanalytics.mobile/application/jsonschema/1-0-0`
+
+<b>Signature:</b>
+
+```typescript
+appBuild?: string;
+```

api-docs/docs/react-native-tracker/markdown/react-native-tracker.applifecycleconfiguration.appversion.md

@@ -0,0 +1,15 @@
+<!-- Do not edit this file. It is automatically generated by API Documenter. -->
+
+[Home](./index.md) &gt; [@snowplow/react-native-tracker](./react-native-tracker.md) &gt; [AppLifecycleConfiguration](./react-native-tracker.applifecycleconfiguration.md) &gt; [appVersion](./react-native-tracker.applifecycleconfiguration.appversion.md)
+
+## AppLifecycleConfiguration.appVersion property
+
+Version number of the application e.g 1.1.0 (semver or git commit hash).
+
+Entity schema if `appBuild` property is set: `iglu:com.snowplowanalytics.mobile/application/jsonschema/1-0-0` Entity schema if `appBuild` property is not set: `iglu:com.snowplowanalytics.snowplow/application/jsonschema/1-0-0`
+
+<b>Signature:</b>
+
+```typescript
+appVersion?: string;
+```

api-docs/docs/react-native-tracker/markdown/react-native-tracker.applifecycleconfiguration.installautotracking.md

@@ -0,0 +1,15 @@
+<!-- Do not edit this file. It is automatically generated by API Documenter. -->
+
+[Home](./index.md) &gt; [@snowplow/react-native-tracker](./react-native-tracker.md) &gt; [AppLifecycleConfiguration](./react-native-tracker.applifecycleconfiguration.md) &gt; [installAutotracking](./react-native-tracker.applifecycleconfiguration.installautotracking.md)
+
+## AppLifecycleConfiguration.installAutotracking property
+
+Whether to automatically track app install event on first run.
+
+Schema: `iglu:com.snowplowanalytics.mobile/application_install/jsonschema/1-0-0`
+
+<b>Signature:</b>
+
+```typescript
+installAutotracking?: boolean;
+```

api-docs/docs/react-native-tracker/markdown/react-native-tracker.applifecycleconfiguration.lifecycleautotracking.md

@@ -0,0 +1,15 @@
+<!-- Do not edit this file. It is automatically generated by API Documenter. -->
+
+[Home](./index.md) &gt; [@snowplow/react-native-tracker](./react-native-tracker.md) &gt; [AppLifecycleConfiguration](./react-native-tracker.applifecycleconfiguration.md) &gt; [lifecycleAutotracking](./react-native-tracker.applifecycleconfiguration.lifecycleautotracking.md)
+
+## AppLifecycleConfiguration.lifecycleAutotracking property
+
+Whether to automatically track app lifecycle events (app foreground and background events). Also adds a lifecycle context entity to all events.
+
+Foreground event schema: `iglu:com.snowplowanalytics.snowplow/application_foreground/jsonschema/1-0-0` Background event schema: `iglu:com.snowplowanalytics.snowplow/application_background/jsonschema/1-0-0` Context entity schema: `iglu:com.snowplowanalytics.mobile/application_lifecycle/jsonschema/1-0-0`
+
+<b>Signature:</b>
+
+```typescript
+lifecycleAutotracking?: boolean;
+```

api-docs/docs/react-native-tracker/markdown/react-native-tracker.applifecycleconfiguration.md

@@ -0,0 +1,23 @@
+<!-- Do not edit this file. It is automatically generated by API Documenter. -->
+
+[Home](./index.md) &gt; [@snowplow/react-native-tracker](./react-native-tracker.md) &gt; [AppLifecycleConfiguration](./react-native-tracker.applifecycleconfiguration.md)
+
+## AppLifecycleConfiguration interface
+
+Configuration for app lifecycle tracking
+
+<b>Signature:</b>
+
+```typescript
+export interface AppLifecycleConfiguration 
+```
+
+## Properties
+
+|  Property | Type | Description |
+|  --- | --- | --- |
+|  [appBuild?](./react-native-tracker.applifecycleconfiguration.appbuild.md) | string | <i>(Optional)</i> Build name of the application e.g s9f2k2d or 1.1.0 beta<!-- -->Entity schema: <code>iglu:com.snowplowanalytics.mobile/application/jsonschema/1-0-0</code> |
+|  [appVersion?](./react-native-tracker.applifecycleconfiguration.appversion.md) | string | <i>(Optional)</i> Version number of the application e.g 1.1.0 (semver or git commit hash).<!-- -->Entity schema if <code>appBuild</code> property is set: <code>iglu:com.snowplowanalytics.mobile/application/jsonschema/1-0-0</code> Entity schema if <code>appBuild</code> property is not set: <code>iglu:com.snowplowanalytics.snowplow/application/jsonschema/1-0-0</code> |
+|  [installAutotracking?](./react-native-tracker.applifecycleconfiguration.installautotracking.md) | boolean | <i>(Optional)</i> Whether to automatically track app install event on first run.<!-- -->Schema: <code>iglu:com.snowplowanalytics.mobile/application_install/jsonschema/1-0-0</code> |
+|  [lifecycleAutotracking?](./react-native-tracker.applifecycleconfiguration.lifecycleautotracking.md) | boolean | <i>(Optional)</i> Whether to automatically track app lifecycle events (app foreground and background events). Also adds a lifecycle context entity to all events.<!-- -->Foreground event schema: <code>iglu:com.snowplowanalytics.snowplow/application_foreground/jsonschema/1-0-0</code> Background event schema: <code>iglu:com.snowplowanalytics.snowplow/application_background/jsonschema/1-0-0</code> Context entity schema: <code>iglu:com.snowplowanalytics.mobile/application_lifecycle/jsonschema/1-0-0</code> |
+

api-docs/docs/react-native-tracker/markdown/react-native-tracker.md

@@ -23,6 +23,7 @@
 
 |  Interface | Description |
 |  --- | --- |
+|  [AppLifecycleConfiguration](./react-native-tracker.applifecycleconfiguration.md) | Configuration for app lifecycle tracking |
 |  [CoreConfiguration](./react-native-tracker.coreconfiguration.md) | The configuration object for the tracker core library |
 |  [CorePlugin](./react-native-tracker.coreplugin.md) | Interface which defines Core Plugins |
 |  [CorePluginConfiguration](./react-native-tracker.corepluginconfiguration.md) | The configuration of the plugin to add |

api-docs/docs/react-native-tracker/markdown/react-native-tracker.newtracker.md

@@ -9,14 +9,14 @@ Creates a new tracker instance with the given configuration
 <b>Signature:</b>
 
 ```typescript
-export declare function newTracker(configuration: TrackerConfiguration & EmitterConfiguration & SessionConfiguration & SubjectConfiguration & EventStoreConfiguration & ScreenTrackingConfiguration): Promise<ReactNativeTracker>;
+export declare function newTracker(configuration: TrackerConfiguration & EmitterConfiguration & SessionConfiguration & SubjectConfiguration & EventStoreConfiguration & ScreenTrackingConfiguration & AppLifecycleConfiguration): Promise<ReactNativeTracker>;
 ```
 
 ## Parameters
 
 |  Parameter | Type | Description |
 |  --- | --- | --- |
-|  configuration | [TrackerConfiguration](./react-native-tracker.trackerconfiguration.md) &amp; EmitterConfiguration &amp; [SessionConfiguration](./react-native-tracker.sessionconfiguration.md) &amp; [SubjectConfiguration](./react-native-tracker.subjectconfiguration.md) &amp; [EventStoreConfiguration](./react-native-tracker.eventstoreconfiguration.md) &amp; ScreenTrackingConfiguration | Configuration for the tracker |
+|  configuration | [TrackerConfiguration](./react-native-tracker.trackerconfiguration.md) &amp; EmitterConfiguration &amp; [SessionConfiguration](./react-native-tracker.sessionconfiguration.md) &amp; [SubjectConfiguration](./react-native-tracker.subjectconfiguration.md) &amp; [EventStoreConfiguration](./react-native-tracker.eventstoreconfiguration.md) &amp; ScreenTrackingConfiguration &amp; [AppLifecycleConfiguration](./react-native-tracker.applifecycleconfiguration.md) | Configuration for the tracker |
 
 <b>Returns:</b>
 

api-docs/docs/react-native-tracker/markdown/react-native-tracker.reactnativetracker.md

@@ -41,6 +41,9 @@ export declare type ReactNativeTracker = {
     readonly getSessionId: () => Promise<string | undefined>;
     readonly getSessionIndex: () => Promise<number | undefined>;
     readonly getSessionState: () => Promise<SessionState | undefined>;
+    readonly getIsInBackground: () => boolean | undefined;
+    readonly getBackgroundIndex: () => number | undefined;
+    readonly getForegroundIndex: () => number | undefined;
 };
 ```
 <b>References:</b> [EventContext](./react-native-tracker.eventcontext.md)<!-- -->, [ScreenViewProps](./react-native-tracker.screenviewprops.md)<!-- -->, [ScrollChangedProps](./react-native-tracker.scrollchangedprops.md)<!-- -->, [ListItemViewProps](./react-native-tracker.listitemviewprops.md)<!-- -->, [TimingProps](./react-native-tracker.timingprops.md)<!-- -->, [MessageNotificationProps](./react-native-tracker.messagenotificationprops.md)<!-- -->, [ScreenSize](./react-native-tracker.screensize.md)<!-- -->, [SubjectConfiguration](./react-native-tracker.subjectconfiguration.md)<!-- -->, [SessionState](./react-native-tracker.sessionstate.md)

api-docs/docs/react-native-tracker/react-native-tracker.api.md

@@ -8,6 +8,14 @@ import { BrowserPlugin } from '@snowplow/browser-tracker-core';
 import { BrowserPluginConfiguration } from '@snowplow/browser-tracker-core';
 import { ScreenTrackingConfiguration } from '@snowplow/browser-plugin-screen-tracking';
 
+// @public
+export interface AppLifecycleConfiguration {
+    appBuild?: string;
+    appVersion?: string;
+    installAutotracking?: boolean;
+    lifecycleAutotracking?: boolean;
+}
+
 // @public
 export type ConditionalContextProvider = FilterProvider | RuleSetProvider;
 
@@ -255,7 +263,7 @@ export type MessageNotificationProps = {
 };
 
 // @public
-export function newTracker(configuration: TrackerConfiguration & EmitterConfiguration & SessionConfiguration & SubjectConfiguration & EventStoreConfiguration & ScreenTrackingConfiguration): Promise<ReactNativeTracker>;
+export function newTracker(configuration: TrackerConfiguration & EmitterConfiguration & SessionConfiguration & SubjectConfiguration & EventStoreConfiguration & ScreenTrackingConfiguration & AppLifecycleConfiguration): Promise<ReactNativeTracker>;
 
 // @public
 export interface PageViewEvent {
@@ -312,6 +320,9 @@ export type ReactNativeTracker = {
     readonly getSessionId: () => Promise<string | undefined>;
     readonly getSessionIndex: () => Promise<number | undefined>;
     readonly getSessionState: () => Promise<SessionState | undefined>;
+    readonly getIsInBackground: () => boolean | undefined;
+    readonly getBackgroundIndex: () => number | undefined;
+    readonly getForegroundIndex: () => number | undefined;
 };
 
 // @public

trackers/react-native-tracker/src/constants.ts

@@ -1,4 +1,8 @@
 export const FOREGROUND_EVENT_SCHEMA = 'iglu:com.snowplowanalytics.snowplow/application_foreground/jsonschema/1-0-0';
 export const BACKGROUND_EVENT_SCHEMA = 'iglu:com.snowplowanalytics.snowplow/application_background/jsonschema/1-0-0';
+export const APPLICATION_INSTALL_EVENT_SCHEMA = 'iglu:com.snowplowanalytics.mobile/application_install/jsonschema/1-0-0';
 
 export const CLIENT_SESSION_ENTITY_SCHEMA ='iglu:com.snowplowanalytics.snowplow/client_session/jsonschema/1-0-2'
+export const LIFECYCLE_CONTEXT_SCHEMA = 'iglu:com.snowplowanalytics.mobile/application_lifecycle/jsonschema/1-0-0';
+export const MOBILE_APPLICATION_CONTEXT_SCHEMA = 'iglu:com.snowplowanalytics.mobile/application/jsonschema/1-0-0';
+export const APPLICATION_CONTEXT_SCHEMA = 'iglu:com.snowplowanalytics.snowplow/application/jsonschema/1-0-0';

trackers/react-native-tracker/src/plugins/app_context/index.ts

@@ -0,0 +1,44 @@
+import { CorePluginConfiguration, SelfDescribingJson } from '@snowplow/tracker-core';
+import { AppLifecycleConfiguration } from '../../types';
+import { APPLICATION_CONTEXT_SCHEMA, MOBILE_APPLICATION_CONTEXT_SCHEMA } from '../../constants';
+
+/**
+ * Tracks the application context entity with information about the app version.
+ * If appBuild is provided, a mobile application context is tracked, otherwise the Web equivalent is tracked.
+ * 
+ * Entity schema if `appBuild` property is set: `iglu:com.snowplowanalytics.mobile/application/jsonschema/1-0-0`
+ * Entity schema if `appBuild` property is not set: `iglu:com.snowplowanalytics.snowplow/application/jsonschema/1-0-0`
+ */
+export function newAppContextPlugin({ appVersion, appBuild }: AppLifecycleConfiguration): CorePluginConfiguration {
+  const contexts = () => {
+    let entities: SelfDescribingJson[] = [];
+
+    if (appVersion) {
+      // Add application context to all events
+      if (appBuild) {
+        entities.push({
+          schema: MOBILE_APPLICATION_CONTEXT_SCHEMA,
+          data: {
+            version: appVersion,
+            build: appBuild,
+          },
+        });
+      } else {
+        entities.push({
+          schema: APPLICATION_CONTEXT_SCHEMA,
+          data: {
+            version: appVersion,
+          },
+        });
+      }
+    }
+
+    return entities;
+  };
+
+  return {
+    plugin: {
+      contexts,
+    },
+  };
+}

trackers/react-native-tracker/src/plugins/app_install/index.ts

@@ -0,0 +1,37 @@
+import { buildSelfDescribingEvent, CorePluginConfiguration, TrackerCore } from '@snowplow/tracker-core';
+import { AppLifecycleConfiguration, TrackerConfiguration } from '../../types';
+import { APPLICATION_INSTALL_EVENT_SCHEMA } from '../../constants';
+import AsyncStorage from '@react-native-async-storage/async-storage';
+
+/**
+ * Tracks an application install event on the first run of the app.
+ * Stores the install event in AsyncStorage to prevent tracking on subsequent runs.
+ *
+ * Event schema: `iglu:com.snowplowanalytics.mobile/application_install/jsonschema/1-0-0`
+ */
+export function newAppInstallPlugin(
+  { namespace, installAutotracking = false }: TrackerConfiguration & AppLifecycleConfiguration,
+  core: TrackerCore
+): CorePluginConfiguration {
+  if (installAutotracking) {
+    // Track install event on first run
+    const key = `snowplow_${namespace}_install`;
+    setTimeout(async () => {
+      const installEvent = await AsyncStorage.getItem(key);
+      if (!installEvent) {
+        core.track(
+          buildSelfDescribingEvent({
+            event: {
+              schema: APPLICATION_INSTALL_EVENT_SCHEMA,
+              data: {},
+            },
+          })
+        );
+        await AsyncStorage.setItem(key, new Date().toISOString());
+      }
+    }, 0);
+  }
+  return {
+    plugin: {},
+  };
+}

trackers/react-native-tracker/src/plugins/app_lifecycle/index.ts

@@ -0,0 +1,97 @@
+import {
+  buildSelfDescribingEvent,
+  CorePluginConfiguration,
+  SelfDescribingJson,
+  TrackerCore,
+} from '@snowplow/tracker-core';
+import { AppLifecycleConfiguration, EventContext } from '../../types';
+import { BACKGROUND_EVENT_SCHEMA, FOREGROUND_EVENT_SCHEMA, LIFECYCLE_CONTEXT_SCHEMA } from '../../constants';
+import { AppState } from 'react-native';
+
+export interface AppLifecyclePlugin extends CorePluginConfiguration {
+  getIsInBackground: () => boolean | undefined;
+  getBackgroundIndex: () => number | undefined;
+  getForegroundIndex: () => number | undefined;
+}
+
+/**
+ * Tracks foreground and background events automatically when the app state changes.
+ * Also adds a lifecycle context to all events with information about the app visibility.
+ */
+export async function newAppLifecyclePlugin(
+  { lifecycleAutotracking = true }: AppLifecycleConfiguration,
+  core: TrackerCore
+): Promise<AppLifecyclePlugin> {
+  let isInForeground = AppState.currentState !== 'background';
+  let foregroundIndex = isInForeground ? 1 : 0;
+  let backgroundIndex = isInForeground ? 0 : 1;
+  let subscription: ReturnType<typeof AppState.addEventListener> | undefined;
+
+  if (lifecycleAutotracking) {
+    // Subscribe to app state changes and track foreground/background events
+    subscription = AppState.addEventListener('change', async (nextAppState) => {
+      if (nextAppState === 'active' && !isInForeground) {
+        trackForegroundEvent();
+      }
+      if (nextAppState === 'background' && isInForeground) {
+        trackBackgroundEvent();
+      }
+    });
+  }
+
+  const contexts = () => {
+    let entities: SelfDescribingJson[] = [];
+
+    if (lifecycleAutotracking) {
+      // Add lifecycle context to all events
+      entities.push({
+        schema: LIFECYCLE_CONTEXT_SCHEMA,
+        data: {
+          isVisible: isInForeground,
+          index: isInForeground ? foregroundIndex : backgroundIndex,
+        },
+      });
+    }
+
+    return entities;
+  };
+
+  const deactivatePlugin = () => {
+    if (subscription) {
+      subscription.remove();
+      subscription = undefined;
+    }
+  };
+
+  const trackForegroundEvent = (contexts?: EventContext[]) => {
+    if (!isInForeground) {
+      isInForeground = true;
+      foregroundIndex += 1;
+    }
+    core.track(
+      buildSelfDescribingEvent({ event: { schema: FOREGROUND_EVENT_SCHEMA, data: { foregroundIndex } } }),
+      contexts
+    );
+  };
+
+  const trackBackgroundEvent = (contexts?: EventContext[]) => {
+    if (isInForeground) {
+      isInForeground = false;
+      backgroundIndex += 1;
+    }
+    core.track(
+      buildSelfDescribingEvent({ event: { schema: BACKGROUND_EVENT_SCHEMA, data: { backgroundIndex } } }),
+      contexts
+    );
+  };
+
+  return {
+    getIsInBackground: () => (lifecycleAutotracking ? !isInForeground : undefined),
+    getBackgroundIndex: () => (lifecycleAutotracking ? backgroundIndex : undefined),
+    getForegroundIndex: () => (lifecycleAutotracking ? foregroundIndex : undefined),
+    plugin: {
+      contexts,
+      deactivatePlugin,
+    },
+  };
+}