New Feature: Introduce Upcoming page to Mihon (#420)

* Work in progress upcoming feature

* Checkpointing WIP upcoming feature

* Functional Upcoming Screen

* Rename UpdateCalendar to UpdateUpcoming

* Converted Strings to resources

* Cleanup

* Fixed detekt issues

* Removed Link icon per @AntsyLich's suggestion.

* Detekt

* Fixed Calendar display on wide form factor devices

* Added Key to upcoming lazycolumn

* Updated tablet mode UI to support two column view

* Updated header creation logic

* Updated header creation logic... again

* Moved stray string to resources

* Fixed PR Comments and query refactor

* Tweaks to query, refactored to flow, comments on calendar

* Switched to Date Formatter

* Cleaned up date formatter

* More Refactor work

* Updated Calendar to support localized week formats

* Fixed year format

* Refactored Header animation

* Moved upcoming FAQ

* Completed YearMonth Migration

* Replaced currentYearMonth with delegate

* Even more cleanup

* cleaned up alignment modifiers

* Click Handler and other refactors

* Removed Wrapped Content Height/Size/extra clips

* Huge Refactor for CalendarDay

* Another cleanup attempt

* Migrated to new mihon.feature.* module pattern

* changed access modifier

* A Bunch of changes from the next round of reviews

* Cleanups

* Cleanup 2

---------

Co-authored-by: AntsyLich <59261191+AntsyLich@users.noreply.github.com>

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

@@ -26,6 +26,7 @@ import eu.kanade.tachiyomi.ui.manga.MangaScreen
 import eu.kanade.tachiyomi.ui.reader.ReaderActivity
 import eu.kanade.tachiyomi.ui.updates.UpdatesScreenModel.Event
 import kotlinx.coroutines.flow.collectLatest
+import mihon.feature.upcoming.UpcomingScreen
 import tachiyomi.core.common.i18n.stringResource
 import tachiyomi.i18n.MR
 import tachiyomi.presentation.core.i18n.stringResource
@@ -72,6 +73,7 @@ object UpdatesTab : Tab {
                 val intent = ReaderActivity.newIntent(context, it.update.mangaId, it.update.chapterId)
                 context.startActivity(intent)
             },
+            onCalendarClicked = { navigator.push(UpcomingScreen()) },
         )
 
         val onDismissDialog = { screenModel.setDialog(null) }

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

@@ -39,6 +39,10 @@ fun Long.toLocalDate(): LocalDate {
     return LocalDate.ofInstant(Instant.ofEpochMilli(this), ZoneId.systemDefault())
 }
 
+fun Instant.toLocalDate(zoneId: ZoneId = ZoneId.systemDefault()): LocalDate {
+    return LocalDate.ofInstant(this, zoneId)
+}
+
 fun LocalDate.toRelativeString(
     context: Context,
     relative: Boolean = true,
@@ -56,14 +60,12 @@ fun LocalDate.toRelativeString(
             difference.toInt().absoluteValue,
             difference.toInt().absoluteValue,
         )
-
         difference < 1 -> context.stringResource(MR.strings.relative_time_today)
         difference < 7 -> context.pluralStringResource(
             MR.plurals.relative_time,
             difference.toInt(),
             difference.toInt(),
         )
-
         else -> dateFormat.format(this)
     }
 }