Fix DateTimeAgo formatting

app/src/main/kotlin/org/koitharu/kotatsu/core/ui/model/DateTimeAgo.kt

@@ -1,17 +1,18 @@
 package org.koitharu.kotatsu.core.ui.model
 
-import android.content.res.Resources
+import android.content.Context
+import android.text.format.DateUtils
 import org.koitharu.kotatsu.R
+import org.koitharu.kotatsu.core.util.ext.toMillis
 import java.time.LocalDate
-import java.time.format.DateTimeFormatter
 
 sealed class DateTimeAgo {
 
-	abstract fun format(resources: Resources): String
+	abstract fun format(context: Context): String
 
 	object JustNow : DateTimeAgo() {
-		override fun format(resources: Resources): String {
+		override fun format(context: Context): String {
-			return resources.getString(R.string.just_now)
+			return context.getString(R.string.just_now)
 		}
 
 		override fun toString() = "just_now"
@@ -20,24 +21,32 @@ sealed class DateTimeAgo {
 	}
 
 	data class MinutesAgo(val minutes: Int) : DateTimeAgo() {
-		override fun format(resources: Resources): String {
+		override fun format(context: Context): String {
-			return resources.getQuantityString(R.plurals.minutes_ago, minutes, minutes)
+			return context.resources.getQuantityString(
+				R.plurals.minutes_ago,
+				minutes,
+				minutes,
+			)
 		}
 
 		override fun toString() = "minutes_ago_$minutes"
 	}
 
 	data class HoursAgo(val hours: Int) : DateTimeAgo() {
-		override fun format(resources: Resources): String {
+		override fun format(context: Context): String {
-			return resources.getQuantityString(R.plurals.hours_ago, hours, hours)
+			return context.resources.getQuantityString(
+				R.plurals.hours_ago,
+				hours,
+				hours,
+			)
 		}
 
 		override fun toString() = "hours_ago_$hours"
 	}
 
 	object Today : DateTimeAgo() {
-		override fun format(resources: Resources): String {
+		override fun format(context: Context): String {
-			return resources.getString(R.string.today)
+			return context.getString(R.string.today)
 		}
 
 		override fun toString() = "today"
@@ -46,8 +55,8 @@ sealed class DateTimeAgo {
 	}
 
 	object Yesterday : DateTimeAgo() {
-		override fun format(resources: Resources): String {
+		override fun format(context: Context): String {
-			return resources.getString(R.string.yesterday)
+			return context.getString(R.string.yesterday)
 		}
 
 		override fun toString() = "yesterday"
@@ -56,44 +65,46 @@ sealed class DateTimeAgo {
 	}
 
 	data class DaysAgo(val days: Int) : DateTimeAgo() {
-		override fun format(resources: Resources): String {
+		override fun format(context: Context): String {
-			return resources.getQuantityString(R.plurals.days_ago, days, days)
+			return context.resources.getQuantityString(R.plurals.days_ago, days, days)
 		}
 
 		override fun toString() = "days_ago_$days"
 	}
 
 	data class MonthsAgo(val months: Int) : DateTimeAgo() {
-		override fun format(resources: Resources): String {
+		override fun format(context: Context): String {
 			return if (months == 0) {
-				resources.getString(R.string.this_month)
+				context.getString(R.string.this_month)
 			} else {
-				resources.getQuantityString(R.plurals.months_ago, months, months)
+				context.resources.getQuantityString(
+					R.plurals.months_ago,
+					months,
+					months,
+				)
 			}
 		}
 	}
 
 	data class Absolute(private val date: LocalDate) : DateTimeAgo() {
-		override fun format(resources: Resources): String {
+		override fun format(context: Context): String {
 			return if (date == EPOCH_DATE) {
-				resources.getString(R.string.unknown)
+				context.getString(R.string.unknown)
 			} else {
-				date.format(formatter)
+				DateUtils.formatDateTime(context, date.toMillis(), DateUtils.FORMAT_SHOW_DATE)
 			}
 		}
 
 		override fun toString() = "abs_${date.toEpochDay()}"
 
-		companion object {
+		private companion object {
-			// TODO: Use Java 9's LocalDate.EPOCH.
+			val EPOCH_DATE: LocalDate = LocalDate.of(1970, 1, 1)
-			private val EPOCH_DATE = LocalDate.of(1970, 1, 1)
-			private val formatter = DateTimeFormatter.ofPattern("d MMMM")
 		}
 	}
 
 	object LongAgo : DateTimeAgo() {
-		override fun format(resources: Resources): String {
+		override fun format(context: Context): String {
-			return resources.getString(R.string.long_ago)
+			return context.getString(R.string.long_ago)
 		}
 
 		override fun toString() = "long_ago"

app/src/main/kotlin/org/koitharu/kotatsu/core/util/ext/Date.kt

@@ -35,6 +35,7 @@ fun calculateTimeAgo(instant: Instant, showMonths: Boolean = false): DateTimeAgo
 	}
 }
 
+@Suppress("KotlinConstantConditions")
 fun Long.toInstantOrNull() = if (this == 0L) null else Instant.ofEpochMilli(this)
 
 fun Resources.formatDurationShort(millis: Long): String? {
@@ -50,3 +51,5 @@ fun Resources.formatDurationShort(millis: Long): String? {
 		else -> getString(R.string.seconds_short, seconds)
 	}
 }
+
+fun LocalDate.toMillis(): Long = atStartOfDay(ZoneId.systemDefault()).toInstant().toEpochMilli()

app/src/main/kotlin/org/koitharu/kotatsu/list/ui/model/ListHeader.kt

@@ -36,7 +36,7 @@ data class ListHeader private constructor(
 	fun getText(context: Context): CharSequence? = when (textRaw) {
 		is CharSequence -> textRaw
 		is Int -> if (textRaw != 0) context.getString(textRaw) else null
-		is DateTimeAgo -> textRaw.format(context.resources)
+		is DateTimeAgo -> textRaw.format(context)
 		else -> null
 	}
 

app/src/main/kotlin/org/koitharu/kotatsu/stats/ui/sheet/MangaStatsSheet.kt

@@ -32,7 +32,7 @@ class MangaStatsSheet : BaseAdaptiveSheet<SheetStatsMangaBinding>(), View.OnClic
 		binding.chartView.barColor = KotatsuColors.ofManga(binding.root.context, viewModel.manga)
 		viewModel.stats.observe(viewLifecycleOwner, ::onStatsChanged)
 		viewModel.startDate.observe(viewLifecycleOwner) {
-			binding.textViewStart.textAndVisible = it?.format(resources)
+			binding.textViewStart.textAndVisible = it?.format(binding.root.context)
 		}
 		viewModel.totalPagesRead.observe(viewLifecycleOwner) {
 			binding.textViewPages.text = getString(R.string.pages_read_s, it.format())