added obfuscated email to entering otp instructions

Author: bolaware

rave_android/src/main/java/com/flutterwave/raveandroid/card/CardFragment.java

@@ -31,6 +31,7 @@
 import com.flutterwave.raveandroid.ViewObject;
 import com.flutterwave.raveandroid.card.savedcards.SavedCardsActivity;
 import com.flutterwave.raveandroid.card.savedcards.SavedCardsFragment;
+import com.flutterwave.raveandroid.data.EmailObfuscator;
 import com.flutterwave.raveandroid.data.PhoneNumberObfuscator;
 import com.flutterwave.raveandroid.data.events.FeeDisplayResponseEvent;
 import com.flutterwave.raveandroid.di.modules.CardUiModule;
@@ -85,6 +86,8 @@ public class CardFragment extends Fragment implements View.OnClickListener, Card
 
     @Inject
     PhoneNumberObfuscator phoneNumberObfuscator;
+    @Inject
+    EmailObfuscator emailObfuscator;
     private static final int FOR_SAVED_CARDS = 777;
     private static final String STATE_PRESENTER_SAVEDCARDS = "presenter_saved_cards";
     public static final String INTENT_SENDER = "cardFrag";
@@ -530,7 +533,8 @@ public void showCardSavingOption(boolean shouldShow) {
     public void collectOtpForSaveCardCharge(Payload payload) {
         String authInstruction = "Enter the one time password (OTP) sent to " +
                 phoneNumberObfuscator.obfuscatePhoneNumber(payload
-                        .getPhonenumber());
+                        .getPhonenumber()) + " or " + emailObfuscator.obfuscateEmail(payload
+                .getEmail());
         showOTPLayoutForSavedCard(payload, authInstruction);
     }
 

rave_android/src/main/java/com/flutterwave/raveandroid/data/EmailObfuscator.java

@@ -0,0 +1,27 @@
+package com.flutterwave.raveandroid.data;
+
+import javax.inject.Inject;
+
+public class EmailObfuscator {
+    @Inject
+    public EmailObfuscator() {
+
+    }
+
+    public String obfuscateEmail(String email) {
+        int lastDotIndex = email.lastIndexOf(".");
+        //String emailContent = email.substring(0, lastDotIndex - 1);
+
+
+        String lastPart = email.substring(lastDotIndex - 1);
+        String firstPart = email.substring(0, 2);
+
+        String asterisks = "";
+
+        for(int i = 2; i <= lastDotIndex - 2; i++){
+            asterisks += "*";
+        }
+
+        return firstPart + asterisks + lastPart;
+    }
+}