Add experiment for rating threshold

data/src/main/java/com/moez/QKSMS/mapper/RatingManagerImpl.kt

@@ -18,7 +18,10 @@
  */
 package com.moez.QKSMS.mapper
 
+import android.content.Context
 import com.f2prateek.rx.preferences2.RxSharedPreferences
+import com.moez.QKSMS.experiment.Experiment
+import com.moez.QKSMS.experiment.Variant
 import com.moez.QKSMS.manager.AnalyticsManager
 import com.moez.QKSMS.manager.RatingManager
 import io.reactivex.rxkotlin.Observables
@@ -26,13 +29,10 @@ import javax.inject.Inject
 
 class RatingManagerImpl @Inject constructor(
         rxPrefs: RxSharedPreferences,
-        private val analyticsManager: AnalyticsManager
+        private val analyticsManager: AnalyticsManager,
+        private val ratingThresholdExperiment: RatingThresholdExperiment
 ) : RatingManager {
 
-    companion object {
-        private const val SESSION_THRESHOLD = 100
-    }
-
     private val sessions = rxPrefs.getInteger("sessions", 0)
     private val rated = rxPrefs.getBoolean("rated", false)
     private val dismissed = rxPrefs.getBoolean("dismissed", false)
@@ -42,7 +42,7 @@ class RatingManagerImpl @Inject constructor(
             rated.asObservable(),
             dismissed.asObservable()) { sessions, rated, dismissed ->
 
-        sessions > SESSION_THRESHOLD && !rated && !dismissed
+        sessions > ratingThresholdExperiment.variant && !rated && !dismissed
     }
 
     override fun addSession() {
@@ -59,4 +59,21 @@ class RatingManagerImpl @Inject constructor(
         dismissed.set(true)
     }
 
+}
+
+class RatingThresholdExperiment @Inject constructor(
+        context: Context,
+        analytics: AnalyticsManager
+) : Experiment<Int>(context, analytics) {
+
+    override val key: String = "Rating Threshold"
+
+    override val variants: List<Variant<Int>> = listOf(
+            Variant("variant_a", 100),
+            Variant("variant_b", 10))
+
+    override val default: Int = 100
+
+    override val qualifies: Boolean = true
+
 }