finish migration

modules/expo-bluesky-swiss-army/android/src/main/java/expo/modules/blueskyswissarmy/referrer/ExpoBlueskyReferrerModule.kt

@@ -1,5 +1,8 @@
 package expo.modules.blueskyswissarmy.referrer
 
+import android.content.Intent
+import android.net.Uri
+import android.os.Build
 import android.util.Log
 import com.android.installreferrer.api.InstallReferrerClient
 import com.android.installreferrer.api.InstallReferrerStateListener
@@ -8,9 +11,45 @@ import expo.modules.kotlin.modules.ModuleDefinition
 import expo.modules.kotlin.Promise
 
 class ExpoBlueskyReferrerModule : Module() {
+  private var intent: Intent? = null
+  private var activityReferrer: Uri? = null
+
   override fun definition() = ModuleDefinition {
     Name("ExpoBlueskyReferrer")
 
+    OnNewIntent {
+      intent = it
+      activityReferrer = appContext.currentActivity?.referrer
+    }
+
+    AsyncFunction("getReferrerInfoAsync") {
+      val intentReferrer = if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) {
+        intent?.getParcelableExtra(Intent.EXTRA_REFERRER, Uri::class.java)
+      } else {
+        intent?.getParcelableExtra(Intent.EXTRA_REFERRER)
+      }
+
+      // Some apps explicitly set a referrer, like Chrome. In these cases, we prefer this since
+      // it's the actual website that the user came from rather than the app.
+      if (intentReferrer is Uri) {
+        return@AsyncFunction mapOf(
+          "referrer" to intentReferrer.toString(),
+          "hostname" to intentReferrer.host,
+        )
+      }
+
+      // In all other cases, we'll just record the app that sent the intent.
+      if (activityReferrer != null) {
+        // referrer could become null here. `.toString()` though can be called on null
+        return@AsyncFunction mapOf(
+          "referrer" to activityReferrer.toString(),
+          "hostname" to (activityReferrer?.host ?: ""),
+        )
+      }
+
+      return@AsyncFunction null
+    }
+
     AsyncFunction("getGooglePlayReferrerInfoAsync") { promise: Promise ->
       val referrerClient = InstallReferrerClient.newBuilder(appContext.reactContext).build()
       referrerClient.startConnection(object : InstallReferrerStateListener {