FINERACT-2060: Accrual reverse replay logic and Handling

fineract-core/src/main/java/org/apache/fineract/infrastructure/core/service/DateUtils.java

@@ -193,11 +193,23 @@ public final class DateUtils {
     }
 
     public static int compare(OffsetDateTime first, OffsetDateTime second, ChronoUnit truncate) {
+        return compare(first, second, truncate, true);
+    }
+
+    public static int compareWithNullsLast(OffsetDateTime first, OffsetDateTime second) {
+        return compare(first, second, null, false);
+    }
+
+    public static int compareWithNullsLast(@NotNull Optional<OffsetDateTime> first, @NotNull Optional<OffsetDateTime> second) {
+        return compareWithNullsLast(first.orElse(null), second.orElse(null));
+    }
+
+    public static int compare(OffsetDateTime first, OffsetDateTime second, ChronoUnit truncate, boolean nullFirst) {
         if (first == null) {
-            return second == null ? 0 : -1;
+            return second == null ? 0 : (nullFirst ? -1 : 1);
         }
         if (second == null) {
-            return 1;
+            return nullFirst ? 1 : -1;
         }
         first = first.withOffsetSameInstant(ZoneOffset.UTC);
         second = second.withOffsetSameInstant(ZoneOffset.UTC);
@@ -291,7 +303,23 @@ public final class DateUtils {
     }
 
     public static int compare(LocalDate first, LocalDate second) {
-        return first == null ? (second == null ? 0 : -1) : (second == null ? 1 : first.compareTo(second));
+        return compare(first, second, true);
+    }
+
+    /**
+     * Comparing dates. Null will be considered as last elements
+     *
+     * @param first
+     * @param second
+     * @return
+     */
+    public static int compareWithNullsLast(LocalDate first, LocalDate second) {
+        return compare(first, second, false);
+    }
+
+    public static int compare(LocalDate first, LocalDate second, boolean nullFirst) {
+        return first == null ? (second == null ? 0 : (nullFirst ? -1 : 1))
+                : (second == null ? (nullFirst ? 1 : -1) : first.compareTo(second));
     }
 
     public static boolean isEqual(LocalDate first, LocalDate second) {
@@ -325,6 +353,10 @@ public final class DateUtils {
         return getExactDifference(first, second, DAYS);
     }
 
+    public static LocalDate minusDays(LocalDate first, int days) {
+        return first == null ? null : first.minusDays(days);
+    }
+
     // Parse, format
 
     public static LocalDate parseLocalDate(String stringDate) {
@@ -426,23 +458,4 @@ public final class DateUtils {
         }
         return formatter;
     }
-
-    /**
-     * Comparing dates. Null will be considered as last elements
-     *
-     * @param first
-     * @param second
-     * @return
-     */
-    public static int compareWithNullsLast(LocalDate first, LocalDate second) {
-        return first == null ? (second == null ? 0 : 1) : (second == null ? -1 : first.compareTo(second));
-    }
-
-    public static int compareWithNullsLast(@NotNull Optional<OffsetDateTime> first, @NotNull Optional<OffsetDateTime> second) {
-        return DateUtils.compareWithNullsLast(first.orElse(null), second.orElse(null));
-    }
-
-    public static int compareWithNullsLast(OffsetDateTime first, OffsetDateTime second) {
-        return first == null ? (second == null ? 0 : 1) : (second == null ? -1 : first.compareTo(second));
-    }
 }

fineract-core/src/main/java/org/apache/fineract/infrastructure/core/service/MathUtil.java

@@ -232,7 +232,7 @@ public final class MathUtil {
      *            if true then null parameter is omitted, otherwise returns null
      */
     public static BigDecimal min(BigDecimal first, BigDecimal second, boolean notNull) {
-        return notNull ? first == null ? second : second == null ? first : min(first, second, false)
+        return notNull ? (first == null ? second : (second == null ? first : min(first, second, false)))
                 : isLessThan(first, second) ? first : second;
     }
 
@@ -291,6 +291,11 @@ public final class MathUtil {
         return subtract(first, second, MoneyHelper.getMathContext());
     }
 
+    /** @return first minus the others considering null values, maybe negative */
+    public static BigDecimal subtract(BigDecimal first, BigDecimal second, BigDecimal third) {
+        return subtract(subtract(first, second), third);
+    }
+
     /** @return first minus second considering null values, maybe negative */
     public static BigDecimal subtract(BigDecimal first, BigDecimal second, MathContext mc) {
         return first == null ? null : second == null ? first : first.subtract(second, mc);
@@ -336,6 +341,10 @@ public final class MathUtil {
         return amount == null ? null : amount.toPlainString();
     }
 
+    public static Money toMoney(BigDecimal amount, @NotNull MonetaryCurrency currency) {
+        return amount == null ? null : Money.of(currency, amount);
+    }
+
     // ----------------- Money -----------------
 
     public static BigDecimal toBigDecimal(Money value) {
@@ -454,6 +463,16 @@ public final class MathUtil {
         return min(min(first, second, notNull), third, notNull);
     }
 
+    /** @return Money null safe negate */
+    public static Money negate(Money amount) {
+        return negate(amount, MoneyHelper.getMathContext());
+    }
+
+    /** @return Money null safe negate */
+    public static Money negate(Money amount, MathContext mc) {
+        return isEmpty(amount) ? amount : amount.negated(mc);
+    }
+
     /**
      * Calculate percentage of a value
      *