Modified donation reminder

1 files changed, 30 insertions, 0 deletions

diff --git a/app/src/main/java/se/leap/bitmaskclient/utils/DateHelper.java b/app/src/main/java/se/leap/bitmaskclient/utils/DateHelper.java
new file mode 100644
index 00000000..a8649132
--- /dev/null
+++ b/app/src/main/java/se/leap/bitmaskclient/utils/DateHelper.java
@@ -0,0 +1,30 @@
+package se.leap.bitmaskclient.utils;
+
+import java.text.ParseException;
+import java.text.SimpleDateFormat;
+import java.util.Date;
+import java.util.Locale;
+
+/**
+ * Contains helper methods related to date manipulation.
+ *
+ * @author Janak
+ */
+public class DateHelper {
+    private static final String DATE_PATTERN = "dd/MM/yyyy";
+    private static final int ONE_DAY = 86400000; //1000*60*60*24
+
+    public static long getDateDiffToCurrentDateInDays(String startDate) throws ParseException {
+        SimpleDateFormat sdf = new SimpleDateFormat(DATE_PATTERN, Locale.US);
+        Date lastDate;
+        lastDate = sdf.parse(startDate);
+        Date currentDate = new Date();
+        return (currentDate.getTime() - lastDate.getTime()) / ONE_DAY;
+    }
+
+    public static String getCurrentDateString() {
+        SimpleDateFormat sdf = new SimpleDateFormat(DATE_PATTERN, Locale.US);
+        Date lastDate = new Date();
+        return sdf.format(lastDate);
+    }
+}