rework transaction date handling

[mobile-ledger.git] / app / src / main / java / net / ktnx / mobileledger / utils / SimpleDate.java

diff --git a/app/src/main/java/net/ktnx/mobileledger/utils/SimpleDate.java b/app/src/main/java/net/ktnx/mobileledger/utils/SimpleDate.java
new file mode 100644 (file)
index 0000000..ff6c0e5
--- /dev/null
+++ b/app/src/main/java/net/ktnx/mobileledger/utils/SimpleDate.java
@@ -0,0 +1,90 @@
+/*
+ * Copyright © 2020 Damyan Ivanov.
+ * This file is part of MoLe.
+ * MoLe is free software: you can distribute it and/or modify it
+ * under the term of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your opinion), any later version.
+ *
+ * MoLe is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License terms for details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with MoLe. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package net.ktnx.mobileledger.utils;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+
+import java.util.Calendar;
+import java.util.Date;
+
+public class SimpleDate {
+    public int year;
+    public int month;
+    public int day;
+    public SimpleDate(int y, int m, int d) {
+        year = y;
+        month = m;
+        day = d;
+    }
+    public static SimpleDate fromDate(Date date) {
+        Calendar calendar = Calendar.getInstance();
+        calendar.setTime(date);
+        return fromCalendar(calendar);
+    }
+    public static SimpleDate fromCalendar(Calendar calendar) {
+        return new SimpleDate(calendar.get(Calendar.YEAR), calendar.get(Calendar.MONTH) + 1,
+                calendar.get(Calendar.DATE));
+    }
+    public static SimpleDate today() {
+        return fromCalendar(Calendar.getInstance());
+    }
+    public Calendar toCalendar() {
+        Calendar result = Calendar.getInstance();
+        result.set(year, month - 1, day);
+        return result;
+    }
+    public Date toDate() {
+        return toCalendar().getTime();
+    }
+    public boolean equals(@Nullable SimpleDate date) {
+        if (date == null)
+            return false;
+
+        if (year != date.year)
+            return false;
+        if (month != date.month)
+            return false;
+        if (day != date.day)
+            return false;
+
+        return true;
+    }
+    public boolean earlierThan(@NonNull SimpleDate date) {
+        if (year < date.year)
+            return true;
+        if (year > date.year)
+            return false;
+        if (month < date.month)
+            return true;
+        if (month > date.month)
+            return false;
+        return (day < date.day);
+    }
+    public boolean laterThan(@NonNull SimpleDate date) {
+        if (year > date.year)
+            return true;
+        if (year < date.year)
+            return false;
+        if (month > date.month)
+            return true;
+        if (month < date.month)
+            return false;
+        return (day > date.day);
+    }
+}