Request review only every third game after three months.

app/src/main/java/me/zobrist/tichucounter/domain/ReviewService.kt

@@ -22,9 +22,17 @@ class ReviewService @Inject constructor(@ActivityContext private val appContext:
 
     private val sharedPreferences = PreferenceManager.getDefaultSharedPreferences(appContext)
 
-    private val THREE_MONTHS  : Long = 3 * 30 * 24 * 60 * 60
+    private val THREE_MONTHS  : Long = 7776000000
 
-    private var lastReviewedDate: Date
+    private var requestCalled: Int
+        get() = sharedPreferences.getInt("requestCalled", 0)
+        set(value) {
+            val editor = sharedPreferences.edit()
+            editor.putInt("requestCalled", value)
+            editor.apply()
+        }
+
+    private var nextReviewedDate: Date
         get() = Date(sharedPreferences.getLong("lastReviewedDate", 0))
         set(value) {
             val editor = sharedPreferences.edit()
@@ -33,23 +41,26 @@ class ReviewService @Inject constructor(@ActivityContext private val appContext:
         }
 
     fun request() {
+        requestCalled += 1
 
-        val diff = Date().time - lastReviewedDate.time
-
-        if(diff > 0)
+        if(requestCalled >= 3)
         {
-            lastReviewedDate = Date()
+            if(nextReviewedDate.time < System.currentTimeMillis())
+            {
+                requestCalled = 0
+                nextReviewedDate = Date(System.currentTimeMillis() + THREE_MONTHS)
 
-            val manager = ReviewManagerFactory.create(appContext)
+                val manager = ReviewManagerFactory.create(appContext)
 
-            val request = manager.requestReviewFlow()
-            request.addOnCompleteListener { task ->
-                if (task.isSuccessful) {
-                    // We got the ReviewInfo object
-                    val reviewInfo = task.result
-                    manager.launchReviewFlow(appContext as Activity, reviewInfo)
+                val request = manager.requestReviewFlow()
+                request.addOnCompleteListener { task ->
+                    if (task.isSuccessful) {
+                        // We got the ReviewInfo object
+                        val reviewInfo = task.result
+                        manager.launchReviewFlow(appContext as Activity, reviewInfo)
 
-                } else {
+                    } else {
+                    }
                 }
             }
         }