Return JSON string format initialize response (#133)

src/main/java/com/statsig/androidsdk/ExternalInitializeResponse.kt

@@ -0,0 +1,22 @@
+package com.statsig.androidsdk
+
+/**
+ * A helper class for interfacing with Initialize Response currently being used in the Statsig console
+ */
+class ExternalInitializeResponse(
+    private val values: String?,
+    private val evaluationDetails: EvaluationDetails,
+) {
+    internal companion object {
+        fun getUninitialized(): ExternalInitializeResponse {
+            return ExternalInitializeResponse(null, EvaluationDetails(EvaluationReason.Uninitialized))
+        }
+    }
+    fun getInitializeResponseJSON(): String? {
+        return values
+    }
+
+    fun getEvaluationDetails(): EvaluationDetails {
+        return evaluationDetails.copy()
+    }
+}

src/main/java/com/statsig/androidsdk/Statsig.kt

@@ -376,6 +376,19 @@ object Statsig {
         })
     }
 
+    /**
+     * @return Initialize response currently being used in JSON and evaluation details
+     * @throws IllegalStateException if the SDK has not been initialized
+     */
+    fun getInitializeResponseJson(): ExternalInitializeResponse {
+        var result: ExternalInitializeResponse? = null
+        enforceInitialized("getInitializeResponseJson")
+        errorBoundary.capture({
+            result = client.getInitializeResponseJson()
+        }, tag = "getInitializeResponseJson")
+        return result ?: ExternalInitializeResponse.getUninitialized()
+    }
+
     @JvmSynthetic
     suspend fun shutdownSuspend() {
         enforceInitialized("shutdownSuspend")

src/main/java/com/statsig/androidsdk/StatsigClient.kt

@@ -427,6 +427,10 @@ internal class StatsigClient() {
         }
     }
 
+    fun getInitializeResponseJson(): ExternalInitializeResponse? {
+        return store.getCurrentCacheValuesAndEvaluationReason()
+    }
+
     suspend fun shutdownSuspend() {
         enforceInitialized("shutdown")
         pollingJob?.cancel()

src/main/java/com/statsig/androidsdk/Store.kt

@@ -148,7 +148,6 @@ internal class Store(private val statsigScope: CoroutineScope, private val share
             cacheById[currentUserCacheKey] = currentCache
             cacheString = gson.toJson(cacheById)
         }
-
         StatsigUtil.saveStringToSharedPrefs(sharedPrefs, CACHE_BY_USER_KEY, cacheString)
     }
 
@@ -342,6 +341,10 @@ internal class Store(private val statsigScope: CoroutineScope, private val share
         )
     }
 
+    fun getCurrentCacheValuesAndEvaluationReason(): ExternalInitializeResponse {
+        return ExternalInitializeResponse(gson.toJson(currentCache.values), getEvaluationDetails(true))
+    }
+
     private fun hydrateDynamicConfig(name: String, details: EvaluationDetails, config: APIDynamicConfig?): DynamicConfig {
         return DynamicConfig(
             name,