Merge pull request #32 from pusher/add-subscription-count

Add subscription count

Author: fbenevides

CHANGELOG.md

@@ -1,5 +1,10 @@
 # Changelog
 
+## 1.1.0
+
+* [CHANGED] Add support for the new subscription_count event
+* [CHANGED] Using latest pusher-websocket-java and pusher-websocket-swift
+
 ## 1.0.2
 
 * [CHANGED] Use latest pusher websocket java sdk.

README.md

@@ -47,6 +47,7 @@ a minimal application to connect to a channel and send events.
       - [`onSubscriptionSucceeded`](#onsubscriptionsucceeded)
       - [`onSubscriptionError`](#onsubscriptionerror)
       - [`onDecryptionFailure`](#ondecryptionfailure)
+      - [`onSubscriptionCount`](#onsubscriptioncount)
       - [`onMemberAdded`](#onmemberadded)
       - [`onMemberRemoved`](#onmemberremoved)
       - [`onAuthorizer`](#onauthorizer)
@@ -134,6 +135,7 @@ try {
     onDecryptionFailure,
     onMemberAdded,
     onMemberRemoved,
+    onSubscriptionCount,
   });
 
   await pusher.subscribe({ channelName });
@@ -230,6 +232,17 @@ function onDecryptionFailure(event:string, string reason:string) {
 ```
 Used with private channels only. Use this if you want to be notified if any messages fail to decrypt.
 
+#### `onSubscriptionCount`
+
+```typescript
+function onSubscriptionCount(subscriptionCount:number) {
+  console.log(`onSubscriptionSucceeded: ${subscriptionCount}`);
+}
+```
+
+is an event that can be manually enabled on the server to count the number of connections that are currently subscribed to a particular channel. They work with all channel types, except presence channels.
+See [Counting live users at scale with subscription_count events](https://blog.pusher.com/counting-live-users-at-scale-with-subscription-count-events/) for more information.
+
 #### `onMemberAdded`
 
 ```typescript

android/build.gradle

@@ -8,7 +8,7 @@ buildscript {
   }
 
   dependencies {
-    classpath 'com.android.tools.build:gradle:7.2.0'
+    classpath 'com.android.tools.build:gradle:7.3.0'
     // noinspection DifferentKotlinGradleVersion
     classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
   }

android/gradle.properties

@@ -1,3 +1,18 @@
-PusherWebsocketReactNative_kotlinVersion=1.3.50
-PusherWebsocketReactNative_compileSdkVersion=29
-PusherWebsocketReactNative_targetSdkVersion=29
+## For more details on how to configure your build environment visit
+# http://www.gradle.org/docs/current/userguide/build_environment.html
+#
+# Specifies the JVM arguments used for the daemon process.
+# The setting is particularly useful for tweaking memory settings.
+# Default value: -Xmx1024m -XX:MaxPermSize=256m
+# org.gradle.jvmargs=-Xmx2048m -XX:MaxPermSize=512m -XX:+HeapDumpOnOutOfMemoryError -Dfile.encoding=UTF-8
+#
+# When configured, Gradle will run in incubating parallel mode.
+# This option should only be used with decoupled projects. More details, visit
+# http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
+# org.gradle.parallel=true
+#Fri Aug 19 11:19:42 CEST 2022
+PusherWebsocketReactNative_kotlinVersion=1.7.10
+PusherWebsocketReactNative_targetSdkVersion=33
+PusherWebsocketReactNative_compileSdkVersion=33
+android.useAndroidX=true
+android.enableJetifier=true

android/src/main/java/com/pusherwebsocketreactnative/PusherWebsocketReactNativeModule.kt

@@ -65,9 +65,9 @@ class PusherWebsocketReactNativeModule(reactContext: ReactApplicationContext) :
         if (arguments.hasKey("useTLS")) options.isUseTLS =
           arguments.getBoolean("useTLS")
         if (arguments.hasKey("activityTimeout")) options.activityTimeout =
-          arguments.getInt("activityTimeout") as Long
+          arguments.getInt("activityTimeout").toLong()
         if (arguments.hasKey("pongTimeout")) options.pongTimeout =
-          arguments.getInt("pongTimeout") as Long
+          arguments.getInt("pongTimeout").toLong()
         if (arguments.hasKey("maxReconnectionAttempts")) options.maxReconnectionAttempts =
           arguments.getInt("maxReconnectionAttempts")
         if (arguments.hasKey("maxReconnectGapInSeconds")) options.maxReconnectGapInSeconds =
@@ -160,8 +160,7 @@ class PusherWebsocketReactNativeModule(reactContext: ReactApplicationContext) :
     authorizerMutex[key]!!.acquire()
     val authParams = authorizerResult.remove(key)!!
     val gson = Gson()
-    val json = gson.toJson(authParams.toHashMap())
-    return json
+    return gson.toJson(authParams.toHashMap())
   }
 
   @ReactMethod
@@ -198,12 +197,23 @@ class PusherWebsocketReactNativeModule(reactContext: ReactApplicationContext) :
 
   override fun onEvent(event: PusherEvent) {
     // Log.i(TAG, "Received event with data: $event")
+    // The java sdk transforms some events from pusher_internal
+    // to pusher:... events, we translate them back.
+    val finalEvent = if (event.eventName === "pusher:subscription_count") {
+      PusherEvent(
+        "pusher_internal:subscription_count",
+        event.channelName,
+        event.userId,
+        event.data)
+    } else {
+      event
+    }
     emitEvent(
       "onEvent", mapOf(
-        "channelName" to event.channelName,
-        "eventName" to event.eventName,
-        "userId" to event.userId,
-        "data" to event.data
+        "channelName" to finalEvent.channelName,
+        "eventName" to finalEvent.eventName,
+        "userId" to finalEvent.userId,
+        "data" to finalEvent.data
       )
     )
   }

example/android/app/build.gradle

@@ -205,7 +205,7 @@ dependencies {
         implementation jscFlavor
     }
 
-    implementation project(':pusherwebsocketreactnative')
+    implementation project(':pusher-websocket-react-native')
 }
 
 // Run this once to be able to run the application with BUCK

example/android/build.gradle

@@ -3,15 +3,15 @@
 buildscript {
     ext {
         minSdkVersion = 21
-        compileSdkVersion = 31
-        targetSdkVersion = 31
+        compileSdkVersion = 33
+        targetSdkVersion = 33
     }
     repositories {
         google()
         mavenCentral()
     }
     dependencies {
-        classpath('com.android.tools.build:gradle:7.2.0')
+        classpath('com.android.tools.build:gradle:7.2.1')
 
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files

example/android/gradle.properties

@@ -19,4 +19,4 @@
 
 android.useAndroidX=true
 android.enableJetifier=true
-FLIPPER_VERSION=0.142.0
+FLIPPER_VERSION=0.159.0

example/android/gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,6 @@
 #Wed Mar 30 18:12:52 CEST 2022
 distributionBase=GRADLE_USER_HOME
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.3.3-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.4-bin.zip
 distributionPath=wrapper/dists
 zipStorePath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME

example/android/settings.gradle

@@ -2,5 +2,5 @@ rootProject.name = 'PusherWebsocketReactNativeExample'
 apply from: file("../node_modules/@react-native-community/cli-platform-android/native_modules.gradle"); applyNativeModulesSettingsGradle(settings)
 include ':app'
 
-include ':pusherwebsocketreactnative'
-project(':pusherwebsocketreactnative').projectDir = new File(rootProject.projectDir, '../../android')
+include ':pusher-websocket-react-native'
+project(':pusher-websocket-react-native').projectDir = new File(rootProject.projectDir, '../../android')

example/ios/Podfile

@@ -14,7 +14,7 @@ target 'PusherWebsocketReactNativeExample' do
   #
   # Note that if you have use_frameworks! enabled, Flipper will not work and
   # you should disable these next few lines.
-  use_flipper!({ 'Flipper' => '0.145.0' })
+  use_flipper!({ 'Flipper' => '0.159.0' })
   post_install do |installer|
     flipper_post_install(installer)
   end