Consistently use absolute date strings everywhere

Closes #9781

(cherry picked from commit b08d604d2a8ae09e623a4375a75cbc844d26a0fa)

# Conflicts:
#	app/src/main/java/eu/kanade/presentation/manga/MangaScreen.kt
#	app/src/main/java/eu/kanade/tachiyomi/ui/updates/UpdatesScreenModel.kt

app/src/main/java/eu/kanade/presentation/components/RelativeDateHeader.kt

@@ -3,8 +3,6 @@ package eu.kanade.presentation.components
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.remember
 import androidx.compose.ui.Modifier
-import androidx.compose.ui.platform.LocalContext
-import eu.kanade.tachiyomi.util.lang.toRelativeString
 import tachiyomi.presentation.core.components.ListGroupHeader
 import java.text.DateFormat
 import java.util.Date
@@ -15,11 +13,10 @@ fun RelativeDateHeader(
     date: Date,
     dateFormat: DateFormat,
 ) {
-    val context = LocalContext.current
     ListGroupHeader(
         modifier = modifier,
         text = remember {
-            date.toRelativeString(context, dateFormat)
+            dateFormat.format(date)
         },
     )
 }

app/src/main/java/eu/kanade/presentation/manga/MangaScreen.kt

@@ -76,7 +76,6 @@ import eu.kanade.tachiyomi.source.online.english.Tsumino
 import eu.kanade.tachiyomi.ui.manga.ChapterItem
 import eu.kanade.tachiyomi.ui.manga.MangaScreenModel
 import eu.kanade.tachiyomi.ui.manga.PagePreviewState
-import eu.kanade.tachiyomi.util.lang.toRelativeString
 import eu.kanade.tachiyomi.util.system.copyToClipboard
 import exh.metadata.MetadataUtil
 import exh.source.MERGED_SOURCE_ID
@@ -934,7 +933,7 @@ private fun LazyListScope.sharedChapterItems(
                     if (manga.isEhBasedManga()) {
                         MetadataUtil.EX_DATE_FORMAT.format(Date(it))
                     } else {
-                        Date(it).toRelativeString(context, dateFormat)
+                        dateFormat.format(Date(it))
                     }
                     // SY <--
                 },

app/src/main/java/eu/kanade/tachiyomi/ui/updates/UpdatesScreenModel.kt

@@ -21,7 +21,6 @@ import eu.kanade.tachiyomi.data.download.model.Download
 import eu.kanade.tachiyomi.data.library.LibraryUpdateJob
 import eu.kanade.tachiyomi.ui.reader.setting.ReaderPreferences
 import eu.kanade.tachiyomi.util.lang.toDateKey
-import eu.kanade.tachiyomi.util.lang.toRelativeString
 import exh.source.EH_SOURCE_ID
 import exh.source.EXH_SOURCE_ID
 import kotlinx.coroutines.channels.Channel
@@ -396,7 +395,7 @@ class UpdatesScreenModel(
                     val afterDate = after?.item?.update?.dateFetch?.toDateKey() ?: Date(0)
                     when {
                         beforeDate.time != afterDate.time && afterDate.time != 0L -> {
-                            val text = afterDate.toRelativeString(context, dateFormat)
+                            val text = dateFormat.format(afterDate)
                             UpdatesUiModel.Header(text)
                         }
                         // Return null to avoid adding a separator between two items.

app/src/main/java/eu/kanade/tachiyomi/util/lang/DateExtensions.kt

@@ -1,14 +1,11 @@
 package eu.kanade.tachiyomi.util.lang
 
-import android.content.Context
-import eu.kanade.tachiyomi.R
 import java.text.DateFormat
 import java.time.Instant
 import java.time.LocalDateTime
 import java.time.ZoneId
 import java.util.Calendar
 import java.util.Date
-import java.util.TimeZone
 
 fun Date.toDateTimestampString(dateFormatter: DateFormat): String {
     val date = dateFormatter.format(this)
@@ -45,101 +42,3 @@ fun Long.toDateKey(): Date {
     cal[Calendar.MILLISECOND] = 0
     return cal.time
 }
-
-/**
- * Convert epoch long to Calendar instance
- *
- * @return Calendar instance at supplied epoch time. Null if epoch was 0.
- */
-fun Long.toCalendar(): Calendar? {
-    if (this == 0L) {
-        return null
-    }
-    val cal = Calendar.getInstance()
-    cal.timeInMillis = this
-    return cal
-}
-
-/**
- * Convert local time millisecond value to Calendar instance in UTC
- *
- * @return UTC Calendar instance at supplied time. Null if time is 0.
- */
-fun Long.toUtcCalendar(): Calendar? {
-    if (this == 0L) {
-        return null
-    }
-    val rawCalendar = Calendar.getInstance().apply {
-        timeInMillis = this@toUtcCalendar
-    }
-    return Calendar.getInstance(TimeZone.getTimeZone("UTC")).apply {
-        clear()
-        set(
-            rawCalendar.get(Calendar.YEAR),
-            rawCalendar.get(Calendar.MONTH),
-            rawCalendar.get(Calendar.DAY_OF_MONTH),
-            rawCalendar.get(Calendar.HOUR_OF_DAY),
-            rawCalendar.get(Calendar.MINUTE),
-            rawCalendar.get(Calendar.SECOND),
-        )
-    }
-}
-
-/**
- * Convert UTC time millisecond to Calendar instance in local time zone
- *
- * @return local Calendar instance at supplied UTC time. Null if time is 0.
- */
-fun Long.toLocalCalendar(): Calendar? {
-    if (this == 0L) {
-        return null
-    }
-    val rawCalendar = Calendar.getInstance(TimeZone.getTimeZone("UTC")).apply {
-        timeInMillis = this@toLocalCalendar
-    }
-    return Calendar.getInstance().apply {
-        clear()
-        set(
-            rawCalendar.get(Calendar.YEAR),
-            rawCalendar.get(Calendar.MONTH),
-            rawCalendar.get(Calendar.DAY_OF_MONTH),
-            rawCalendar.get(Calendar.HOUR_OF_DAY),
-            rawCalendar.get(Calendar.MINUTE),
-            rawCalendar.get(Calendar.SECOND),
-        )
-    }
-}
-
-private const val MILLISECONDS_IN_DAY = 86_400_000L
-
-fun Date.toRelativeString(
-    context: Context,
-    dateFormat: DateFormat = DateFormat.getDateInstance(DateFormat.SHORT),
-): String {
-    val now = Date()
-    val difference = now.timeWithOffset.floorNearest(MILLISECONDS_IN_DAY) - this.timeWithOffset.floorNearest(MILLISECONDS_IN_DAY)
-    val days = difference.floorDiv(MILLISECONDS_IN_DAY).toInt()
-    return when {
-        difference < 0 -> dateFormat.format(this)
-        difference < MILLISECONDS_IN_DAY -> context.getString(R.string.relative_time_today)
-        difference < MILLISECONDS_IN_DAY.times(7) -> context.resources.getQuantityString(
-            R.plurals.relative_time,
-            days,
-            days,
-        )
-        else -> dateFormat.format(this)
-    }
-}
-
-private val Date.timeWithOffset: Long
-    get() {
-        return Calendar.getInstance().run {
-            time = this@timeWithOffset
-            val dstOffset = get(Calendar.DST_OFFSET)
-            this@timeWithOffset.time + timeZone.rawOffset + dstOffset
-        }
-    }
-
-fun Long.floorNearest(to: Long): Long {
-    return this.floorDiv(to) * to
-}

i18n/src/main/res/values/strings.xml

@@ -223,12 +223,6 @@
     <string name="pref_show_nsfw_source">Show in sources and extensions lists</string>
     <string name="parental_controls_info">This does not prevent unofficial or potentially incorrectly flagged extensions from surfacing NSFW (18+) content within the app.</string>
 
-    <string name="relative_time_today">Today</string>
-    <plurals name="relative_time">
-        <item quantity="one">Yesterday</item>
-        <item quantity="other">%1$d days ago</item>
-    </plurals>
-
       <!-- Library section -->
     <string name="pref_category_display">Display</string>
     <string name="pref_library_columns">Grid size</string>