Update feed ui

app/src/main/java/org/koitharu/kotatsu/base/ui/list/decor/TypedSpacingItemDecoration.kt

@@ -0,0 +1,35 @@
+package org.koitharu.kotatsu.base.ui.list.decor
+
+import android.graphics.Rect
+import android.util.SparseIntArray
+import android.view.View
+import androidx.core.util.getOrDefault
+import androidx.core.util.set
+import androidx.recyclerview.widget.RecyclerView
+
+class TypedSpacingItemDecoration(
+	vararg spacingMapping: Pair<Int, Int>,
+	private val fallbackSpacing: Int = 0,
+) : RecyclerView.ItemDecoration() {
+
+	private val mapping = SparseIntArray(spacingMapping.size)
+	
+	init {
+		spacingMapping.forEach { (k, v) -> mapping[k] = v }
+	}
+
+	override fun getItemOffsets(
+		outRect: Rect,
+		view: View,
+		parent: RecyclerView,
+		state: RecyclerView.State
+	) {
+		val itemType = parent.getChildViewHolder(view)?.itemViewType
+		val spacing = if (itemType == null) {
+			fallbackSpacing
+		} else {
+			mapping.getOrDefault(itemType, fallbackSpacing)
+		}
+		outRect.set(spacing, spacing, spacing, spacing)
+	}
+}

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

@@ -3,6 +3,9 @@ package org.koitharu.kotatsu.core.ui
 import android.content.res.Resources
 import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.list.ui.model.ListModel
+import org.koitharu.kotatsu.utils.ext.daysDiff
+import org.koitharu.kotatsu.utils.ext.format
+import java.util.*
 
 sealed class DateTimeAgo : ListModel {
 
@@ -72,9 +75,33 @@ sealed class DateTimeAgo : ListModel {
 		override fun hashCode(): Int = days
 	}
 
+	class Absolute(private val date: Date) : DateTimeAgo() {
+
+		private val day = date.daysDiff(0)
+
+		override fun format(resources: Resources): String {
+			return date.format("d MMMM")
+		}
+
+		override fun equals(other: Any?): Boolean {
+			if (this === other) return true
+			if (javaClass != other?.javaClass) return false
+
+			other as Absolute
+
+			if (day != other.day) return false
+
+			return true
+		}
+
+		override fun hashCode(): Int {
+			return day
+		}
+	}
+
 	object LongAgo : DateTimeAgo() {
 		override fun format(resources: Resources): String {
 			return resources.getString(R.string.long_ago)
 		}
 	}
-}
+}

app/src/main/java/org/koitharu/kotatsu/tracker/ui/FeedFragment.kt

@@ -11,7 +11,7 @@ import org.koin.androidx.viewmodel.ext.android.viewModel
 import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.base.ui.BaseFragment
 import org.koitharu.kotatsu.base.ui.list.PaginationScrollListener
-import org.koitharu.kotatsu.base.ui.list.decor.SpacingItemDecoration
+import org.koitharu.kotatsu.base.ui.list.decor.TypedSpacingItemDecoration
 import org.koitharu.kotatsu.databinding.FragmentFeedBinding
 import org.koitharu.kotatsu.details.ui.DetailsActivity
 import org.koitharu.kotatsu.list.ui.adapter.MangaListListener
@@ -57,7 +57,11 @@ class FeedFragment :
 			val spacing = resources.getDimensionPixelOffset(R.dimen.list_spacing)
 			paddingHorizontal = spacing
 			paddingVertical = resources.getDimensionPixelOffset(R.dimen.grid_spacing_outer)
-			addItemDecoration(SpacingItemDecoration(spacing))
+			val decoration = TypedSpacingItemDecoration(
+				FeedAdapter.ITEM_TYPE_FEED to 0,
+				fallbackSpacing = spacing
+			)
+			addItemDecoration(decoration)
 		}
 
 		viewModel.content.observe(viewLifecycleOwner, this::onListChanged)

app/src/main/java/org/koitharu/kotatsu/tracker/ui/FeedViewModel.kt

@@ -10,14 +10,15 @@ import kotlinx.coroutines.flow.filterNotNull
 import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.base.ui.BaseViewModel
 import org.koitharu.kotatsu.core.model.TrackingLogItem
-import org.koitharu.kotatsu.list.ui.model.EmptyState
-import org.koitharu.kotatsu.list.ui.model.ListHeader
-import org.koitharu.kotatsu.list.ui.model.LoadingFooter
-import org.koitharu.kotatsu.list.ui.model.LoadingState
+import org.koitharu.kotatsu.core.ui.DateTimeAgo
+import org.koitharu.kotatsu.list.ui.model.*
 import org.koitharu.kotatsu.tracker.domain.TrackingRepository
 import org.koitharu.kotatsu.tracker.ui.model.toFeedItem
 import org.koitharu.kotatsu.utils.SingleLiveEvent
 import org.koitharu.kotatsu.utils.ext.asLiveDataDistinct
+import org.koitharu.kotatsu.utils.ext.daysDiff
+import java.util.*
+import java.util.concurrent.TimeUnit
 
 class FeedViewModel(
 	private val repository: TrackingRepository
@@ -34,8 +35,8 @@ class FeedViewModel(
 		hasNextPage
 	) { list, isHasNextPage ->
 		buildList(list.size + 2) {
-			add(header)
 			if (list.isEmpty()) {
+				add(header)
 				add(
 					EmptyState(
 						icon = R.drawable.ic_feed,
@@ -45,7 +46,7 @@ class FeedViewModel(
 					)
 				)
 			} else {
-				list.mapTo(this) { it.toFeedItem() }
+				list.mapListTo(this)
 				if (isHasNextPage) {
 					add(LoadingFooter)
 				}
@@ -85,4 +86,29 @@ class FeedViewModel(
 			onFeedCleared.postCall(Unit)
 		}
 	}
+
+	private fun List<TrackingLogItem>.mapListTo(destination: MutableList<ListModel>) {
+		var prevDate: DateTimeAgo? = null
+		for (item in this) {
+			val date = timeAgo(item.createdAt)
+			if (prevDate != date) {
+				destination += date
+			}
+			prevDate = date
+			destination += item.toFeedItem()
+		}
+	}
+
+	private fun timeAgo(date: Date): DateTimeAgo {
+		val diff = (System.currentTimeMillis() - date.time).coerceAtLeast(0L)
+		val diffMinutes = TimeUnit.MILLISECONDS.toMinutes(diff).toInt()
+		val diffDays = -date.daysDiff(System.currentTimeMillis())
+		return when {
+			diffMinutes < 3 -> DateTimeAgo.JustNow
+			diffDays < 1 -> DateTimeAgo.Today
+			diffDays == 1 -> DateTimeAgo.Yesterday
+			diffDays < 6 -> DateTimeAgo.DaysAgo(diffDays)
+			else -> DateTimeAgo.Absolute(date)
+		}
+	}
 }

app/src/main/java/org/koitharu/kotatsu/tracker/ui/adapter/FeedAdapter.kt

@@ -4,10 +4,11 @@ import androidx.lifecycle.LifecycleOwner
 import androidx.recyclerview.widget.DiffUtil
 import coil.ImageLoader
 import com.hannesdorfmann.adapterdelegates4.AsyncListDifferDelegationAdapter
-import kotlin.jvm.internal.Intrinsics
+import org.koitharu.kotatsu.core.ui.DateTimeAgo
 import org.koitharu.kotatsu.list.ui.adapter.*
 import org.koitharu.kotatsu.list.ui.model.ListModel
 import org.koitharu.kotatsu.tracker.ui.model.FeedItem
+import kotlin.jvm.internal.Intrinsics
 
 class FeedAdapter(
 	coil: ImageLoader,
@@ -24,6 +25,7 @@ class FeedAdapter(
 			.addDelegate(ITEM_TYPE_ERROR_STATE, errorStateListAD(listener))
 			.addDelegate(ITEM_TYPE_EMPTY, emptyStateListAD(listener))
 			.addDelegate(ITEM_TYPE_HEADER, listHeaderAD())
+			.addDelegate(ITEM_TYPE_DATE_HEADER, relatedDateItemAD())
 	}
 
 	private class DiffCallback : DiffUtil.ItemCallback<ListModel>() {
@@ -32,6 +34,9 @@ class FeedAdapter(
 			oldItem is FeedItem && newItem is FeedItem -> {
 				oldItem.id == newItem.id
 			}
+			oldItem is DateTimeAgo && newItem is DateTimeAgo -> {
+				oldItem == newItem
+			}
 			else -> oldItem.javaClass == newItem.javaClass
 		}
 
@@ -49,5 +54,6 @@ class FeedAdapter(
 		const val ITEM_TYPE_ERROR_FOOTER = 4
 		const val ITEM_TYPE_EMPTY = 5
 		const val ITEM_TYPE_HEADER = 6
+		const val ITEM_TYPE_DATE_HEADER = 7
 	}
 }

app/src/main/java/org/koitharu/kotatsu/tracker/ui/adapter/FeedItemAD.kt

@@ -12,7 +12,6 @@ import org.koitharu.kotatsu.parsers.model.Manga
 import org.koitharu.kotatsu.tracker.ui.model.FeedItem
 import org.koitharu.kotatsu.utils.ext.enqueueWith
 import org.koitharu.kotatsu.utils.ext.newImageRequest
-import org.koitharu.kotatsu.utils.ext.textAndVisible
 
 fun feedItemAD(
 	coil: ImageLoader,
@@ -38,13 +37,11 @@ fun feedItemAD(
 			.lifecycle(lifecycleOwner)
 			.enqueueWith(coil)
 		binding.textViewTitle.text = item.title
-		binding.badge.text = item.subtitle
-		binding.textViewChapters.text = item.chapters
-		binding.textViewTruncated.textAndVisible = if (item.truncated > 0) {
-			getString(R.string._and_x_more, item.truncated)
-		} else {
-			null
-		}
+		binding.textViewSummary.text = context.resources.getQuantityString(
+			R.plurals.new_chapters,
+			item.count,
+			item.count,
+		)
 	}
 
 	onViewRecycled {

app/src/main/java/org/koitharu/kotatsu/tracker/ui/model/FeedItem.kt

@@ -7,8 +7,6 @@ data class FeedItem(
 	val id: Long,
 	val imageUrl: String,
 	val title: String,
-	val subtitle: String,
-	val chapters: CharSequence,
 	val manga: Manga,
-	val truncated: Int,
+	val count: Int,
 ) : ListModel

app/src/main/java/org/koitharu/kotatsu/tracker/ui/model/ListModelConversionExt.kt

@@ -2,26 +2,10 @@ package org.koitharu.kotatsu.tracker.ui.model
 
 import org.koitharu.kotatsu.core.model.TrackingLogItem
 
-fun TrackingLogItem.toFeedItem(): FeedItem {
-	val truncate = chapters.size > MAX_CHAPTERS
-	val chaptersString = if (truncate) {
-		chapters.joinToString(
-			separator = "\n",
-			limit = MAX_CHAPTERS - 1,
-			truncated = "",
-		).trimEnd()
-	} else {
-		chapters.joinToString("\n")
-	}
-	return FeedItem(
-		id = id,
-		imageUrl = manga.coverUrl,
-		title = manga.title,
-		subtitle = chapters.size.toString(),
-		chapters = chaptersString,
-		manga = manga,
-		truncated = chapters.size - MAX_CHAPTERS + 1,
-	)
-}
-
-private const val MAX_CHAPTERS = 6
+fun TrackingLogItem.toFeedItem() = FeedItem(
+	id = id,
+	imageUrl = manga.coverUrl,
+	title = manga.title,
+	count = chapters.size,
+	manga = manga,
+)