Merge pull request #49 from statsig-io/expmeta

Add a method to fetch experiment group names and values

gradle.properties

@@ -1,2 +1,2 @@
 kotlin.code.style=official
-version=0.8.0
+version=0.8.1

src/main/kotlin/com/statsig/sdk/APIDownloadedConfigs.kt

@@ -27,6 +27,7 @@ internal data class APIRule(
     @SerializedName("salt") val salt: String?,
     @SerializedName("conditions") val conditions: Array<APICondition>,
     @SerializedName("idType") val idType: String,
+    @SerializedName("groupName") val groupName: String,
 )
 
 internal data class APICondition(

src/main/kotlin/com/statsig/sdk/Evaluator.kt

@@ -28,6 +28,18 @@ internal class Evaluator {
         CountryLookup.initialize()
     }
 
+    fun getVariants(configName: String): Map<String, String> {
+        var variants : MutableMap<String, String> = HashMap()
+        if (!dynamicConfigs.containsKey(configName)) {
+            return variants
+        }
+        val config = dynamicConfigs[configName]
+        for (r : APIRule in config!!.rules) {
+            variants[r.groupName] = r.returnValue.toString()
+        }
+        return variants
+    }
+
     fun setDownloadedConfigs(downloadedConfig: APIDownloadedConfigs) {
         for (config in downloadedConfig.featureGates) {
             featureGates[config.name] = config

src/main/kotlin/com/statsig/sdk/Statsig.kt

@@ -95,6 +95,15 @@ class Statsig {
             return statsigServer.getExperimentAsync(user, experimentName)
         }
 
+        /**
+         * @deprecated - we make no promises of support for this API
+         */
+        @JvmStatic
+        fun _getExperimentGroups(experimentName: String): Map<String, String> {
+            enforceInitialized()
+            return statsigServer._getExperimentGroups(experimentName)
+        }
+
         @JvmStatic
         fun shutdown() {
             runBlocking { statsigServer.shutdown() }

src/main/kotlin/com/statsig/sdk/StatsigServer.kt

@@ -54,6 +54,11 @@ sealed class StatsigServer {
 
     abstract fun getExperimentAsync(user: StatsigUser, experimentName: String): CompletableFuture<DynamicConfig>
 
+    /**
+     * @deprecated - we make no promises of support for this API
+     */
+    abstract fun _getExperimentGroups(experimentName: String): Map<String, String>
+
     abstract fun shutdown()
 
     internal abstract suspend fun flush()
@@ -67,7 +72,7 @@ sealed class StatsigServer {
     }
 }
 
-private const val VERSION = "0.8.0"
+private const val VERSION = "0.8.1"
 
 private class StatsigServerImpl(
     serverSecret: String,
@@ -227,6 +232,13 @@ private class StatsigServerImpl(
         }
     }
 
+    /**
+     * @deprecated - we make no promises of support for this API
+     */
+    override fun _getExperimentGroups(experimentName: String): Map<String, String> {
+        return configEvaluator.getVariants(experimentName)
+    }
+
     override fun shutdown() {
         runBlocking {
             shutdownSuspend()

src/test/java/com/statsig/sdk/StatsigE2ETest.kt

@@ -129,6 +129,10 @@ class StatsigE2ETest {
         assert(config.getInt("number", 0) == 4)
         assert(config.getString("string", "") == "default")
         assert(config.getBoolean("boolean", true))
+
+        var groups = driver._getExperimentGroups("test_config")
+        assert(groups["statsig email"].equals("{number=7.0, string=statsig, boolean=false}"))
+
         driver.shutdown()
 
         val eventLogInput = withTimeout(TEST_TIMEOUT) {