From 34ded721286cec1412780c4b0b66c07029fffbe8 Mon Sep 17 00:00:00 2001
From: Damyan Ivanov <dam+mobileledger@ktnx.net>
Date: Sun, 5 Apr 2020 23:30:27 +0300
Subject: [PATCH] helper methids for comparing currency objects and strings

---
 .../net/ktnx/mobileledger/model/Currency.java | 22 +++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/app/src/main/java/net/ktnx/mobileledger/model/Currency.java b/app/src/main/java/net/ktnx/mobileledger/model/Currency.java
index 3cb70f8b..e32513f2 100644
--- a/app/src/main/java/net/ktnx/mobileledger/model/Currency.java
+++ b/app/src/main/java/net/ktnx/mobileledger/model/Currency.java
@@ -24,6 +24,7 @@ import androidx.annotation.NonNull;
 import androidx.recyclerview.widget.DiffUtil;
 
 import net.ktnx.mobileledger.App;
+import net.ktnx.mobileledger.utils.Misc;
 
 public class Currency {
     public static final DiffUtil.ItemCallback<Currency> DIFF_CALLBACK =
@@ -104,6 +105,27 @@ public class Currency {
     public void setHasGap(boolean hasGap) {
         this.hasGap = hasGap;
     }
+    static public boolean equal(Currency left, Currency right) {
+        if (left == null) {
+            return right == null;
+        }
+        else
+            return left.equals(right);
+    }
+    static public boolean equal(Currency left, String right) {
+        right = Misc.emptyIsNull(right);
+        if (left == null) {
+            return right == null;
+        }
+        else {
+            String leftName = Misc.emptyIsNull(left.getName());
+            if (leftName == null) {
+                return right == null;
+            }
+            else
+                return leftName.equals(right);
+        }
+    }
     public enum Position {
         before(-1), after(1), unknown(0), none(-2);
         private int value;
-- 
2.39.2