Create `TimeAgoFormatter` helper type

1 files changed, 36 insertions, 0 deletions

diff --git a/android/src/main/kotlin/net/mullvad/mullvadvpn/util/TimeAgoFormatter.kt b/android/src/main/kotlin/net/mullvad/mullvadvpn/util/TimeAgoFormatter.kt
new file mode 100644
index 0000000000..1136a21814
--- /dev/null
+++ b/android/src/main/kotlin/net/mullvad/mullvadvpn/util/TimeAgoFormatter.kt
@@ -0,0 +1,36 @@
+package net.mullvad.mullvadvpn.util
+
+import android.content.res.Resources
+import net.mullvad.mullvadvpn.R
+import org.joda.time.DateTime
+import org.joda.time.Duration
+import org.joda.time.PeriodType
+
+class TimeAgoFormatter(val resources: Resources) {
+    private val periodType = PeriodType.standard()
+        .withMillisRemoved()
+        .withSecondsRemoved()
+
+    fun format(instant: DateTime): String {
+        val elapsedTime = Duration(instant, DateTime.now())
+        val elapsedTimeInfo = elapsedTime.toPeriodTo(instant, periodType)
+
+        if (elapsedTimeInfo.years > 0) {
+            return getRemainingText(R.plurals.years_ago, elapsedTimeInfo.years)
+        } else if (elapsedTimeInfo.months > 0) {
+            return getRemainingText(R.plurals.months_ago, elapsedTimeInfo.months)
+        } else if (elapsedTimeInfo.days > 0) {
+            return getRemainingText(R.plurals.days_ago, elapsedTimeInfo.days)
+        } else if (elapsedTimeInfo.hours > 0) {
+            return getRemainingText(R.plurals.hours_ago, elapsedTimeInfo.hours)
+        } else if (elapsedTimeInfo.minutes > 0) {
+            return getRemainingText(R.plurals.minutes_ago, elapsedTimeInfo.minutes)
+        } else {
+            return resources.getString(R.string.less_than_a_minute_ago)
+        }
+    }
+
+    private fun getRemainingText(pluralId: Int, quantity: Int): String {
+        return resources.getQuantityString(pluralId, quantity, quantity)
+    }
+}