Fixed #1405

app/Repositories/PiggyBank/PiggyBankRepositoryInterface.php

@@ -67,6 +67,11 @@ interface PiggyBankRepositoryInterface
      */
     public function canRemoveAmount(PiggyBank $piggyBank, string $amount): bool;
 
+    /**
+     * Correct order of piggies in case of issues.
+     */
+    public function correctOrder(): void;
+
     /**
      * Create a new event.
      *
@@ -86,11 +91,6 @@ interface PiggyBankRepositoryInterface
      */
     public function createEventWithJournal(PiggyBank $piggyBank, string $amount, TransactionJournal $journal): PiggyBankEvent;
 
-    /**
-     * Correct order of piggies in case of issues.
-     */
-    public function correctOrder(): void;
-
     /**
      * Destroy piggy bank.
      *
@@ -173,6 +173,15 @@ interface PiggyBankRepositoryInterface
      */
     public function getRepetition(PiggyBank $piggyBank): ?PiggyBankRepetition;
 
+    /**
+     * Returns the suggested amount the user should save per month, or "".
+     *
+     * @param PiggyBank $piggyBank
+     *
+     * @return string
+     */
+    public function getSuggestedMonthlyAmount(PiggyBank $piggyBank): string;
+
     /**
      * Get for piggy account what is left to put in piggies.
      *
@@ -202,7 +211,7 @@ interface PiggyBankRepositoryInterface
      * Set specific piggy bank to specific order.
      *
      * @param PiggyBank $piggyBank
-     * @param int $order
+     * @param int       $order
      *
      * @return bool
      */