added placements support, refactored event emitter

android/build.gradle

@@ -137,7 +137,7 @@ def kotlin_version = getExtOrDefault('kotlinVersion')
 dependencies {
   // noinspection GradleDynamicVersion
   api 'com.facebook.react:react-native:+'
-  implementation 'com.apphud:ApphudSDK-Android:2.8.4'
+  implementation 'com.apphud:ApphudSDK-Android:2.9.1'
   implementation "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
   implementation 'com.android.billingclient:billing:7.1.1'
 }

android/src/main/java/com/reactnativeapphudsdk/ApphudDataMapper.kt

@@ -0,0 +1,57 @@
+package com.reactnativeapphudsdk
+
+import com.apphud.sdk.ApphudAttributionData
+import com.apphud.sdk.ApphudAttributionProvider
+import com.facebook.react.bridge.ReadableMap
+
+internal data class AttributionParams(
+  val identifier: String?,
+  val provider: ApphudAttributionProvider,
+  val data: ApphudAttributionData
+)
+
+private fun Map<String, Any?>.removeNullableValues(): Map<String, Any> {
+  val map = mutableMapOf<String, Any>()
+
+  for (pair in this) {
+    pair.value?.let {
+      map[pair.key] = it
+    }
+  }
+
+  return map
+}
+
+internal fun ReadableMap.getAttributionParams(): AttributionParams? {
+  val identifier = getString("identifier")
+
+  val provider = getString("attributionProviderId")?.let { attributionProviderId ->
+    ApphudAttributionProvider.entries.find {
+      it.value == attributionProviderId
+    }
+  } ?: return null
+
+  val data = getMap("data") ?: return null
+
+  val rawData = data
+    .getMap("rawData")
+    ?.toHashMap()
+    ?.toMap()
+    ?.removeNullableValues() ?: emptyMap()
+
+  return AttributionParams(
+    identifier = identifier,
+    provider = provider,
+    data = ApphudAttributionData(
+      rawData = rawData,
+      adNetwork = data.getString("adNetwork"),
+      channel = data.getString("channel"),
+      campaign = data.getString("campaign"),
+      adSet = data.getString("adSet"),
+      creative = data.getString("creative"),
+      keyword = data.getString("keyword"),
+      custom1 = data.getString("custom1"),
+      custom2 = data.getString("custom2")
+    )
+  )
+}