Add library last updated timestamp to updates

app/src/main/java/eu/kanade/tachiyomi/data/library/LibraryUpdateService.kt

@@ -57,6 +57,7 @@ import timber.log.Timber
 import uy.kohesive.injekt.Injekt
 import uy.kohesive.injekt.api.get
 import java.io.File
+import java.util.Date
 import java.util.concurrent.TimeUnit
 import java.util.concurrent.atomic.AtomicInteger
 
@@ -237,6 +238,8 @@ class LibraryUpdateService(
         }
         if (target == Target.CHAPTERS) {
             listener?.onUpdateManga(Manga.create(STARTING_UPDATE_SOURCE))
+            // If this is a chapter update, set the last update time to now
+            preferences.libraryUpdateLastTimestamp().set(Date().time)
         }
         job = GlobalScope.launch(handler) {
             when (target) {

app/src/main/java/eu/kanade/tachiyomi/data/preference/PreferencesHelper.kt

@@ -261,6 +261,8 @@ class PreferencesHelper(val context: Context) {
 
     fun libraryUpdateInterval() = flowPrefs.getInt(Keys.libraryUpdateInterval, 24)
 
+    fun libraryUpdateLastTimestamp() = flowPrefs.getLong("library_update_last_timestamp", 0L)
+
     fun libraryUpdateDeviceRestriction() = flowPrefs.getStringSet("library_update_restriction", setOf(DEVICE_ONLY_ON_WIFI))
 
     fun libraryUpdateMangaRestriction() = flowPrefs.getStringSet("library_update_manga_restriction", setOf(MANGA_HAS_UNREAD, MANGA_NON_COMPLETED, MANGA_NON_READ))

app/src/main/java/eu/kanade/tachiyomi/ui/recents/DateItem.kt

@@ -3,6 +3,7 @@ package eu.kanade.tachiyomi.ui.recents
 import android.text.format.DateUtils
 import android.view.View
 import android.widget.TextView
+import androidx.core.view.isVisible
 import androidx.core.view.updatePadding
 import androidx.recyclerview.widget.RecyclerView
 import eu.davidea.flexibleadapter.FlexibleAdapter
@@ -11,6 +12,8 @@ import eu.davidea.flexibleadapter.items.IFlexible
 import eu.davidea.viewholders.FlexibleViewHolder
 import eu.kanade.tachiyomi.R
 import eu.kanade.tachiyomi.util.system.dpToPx
+import eu.kanade.tachiyomi.util.system.spToPx
+import eu.kanade.tachiyomi.util.system.timeSpanFromNow
 import java.util.Date
 
 class DateItem(val date: Date, val addedString: Boolean = false) : AbstractHeaderItem<DateItem.Holder>() {
@@ -20,7 +23,7 @@ class DateItem(val date: Date, val addedString: Boolean = false) : AbstractHeade
     }
 
     override fun createViewHolder(view: View, adapter: FlexibleAdapter<IFlexible<RecyclerView.ViewHolder>>): Holder {
-        return Holder(view, adapter)
+        return Holder(view, adapter as RecentMangaAdapter)
     }
 
     override fun bindViewHolder(adapter: FlexibleAdapter<IFlexible<RecyclerView.ViewHolder>>, holder: Holder, position: Int, payloads: MutableList<Any?>?) {
@@ -43,17 +46,34 @@ class DateItem(val date: Date, val addedString: Boolean = false) : AbstractHeade
         return date.hashCode()
     }
 
-    class Holder(view: View, adapter: FlexibleAdapter<IFlexible<RecyclerView.ViewHolder>>) : FlexibleViewHolder(view, adapter, true) {
+    class Holder(view: View, val adapter: RecentMangaAdapter) : FlexibleViewHolder(view, adapter, true) {
 
         private val now = Date().time
 
         private val sectionText: TextView = view.findViewById(R.id.section_text)
+        private val lastUpdatedText: TextView = view.findViewById(R.id.last_updated_text)
 
         fun bind(item: DateItem) {
-            sectionText.updatePadding(top = (if (bindingAdapterPosition == 0) 4 else 18).dpToPx)
             val dateString = DateUtils.getRelativeTimeSpanString(item.date.time, now, DateUtils.DAY_IN_MILLIS)
             sectionText.text =
                 if (item.addedString) itemView.context.getString(R.string.fetched_, dateString) else dateString
+            lastUpdatedText.isVisible = false
+            if (bindingAdapterPosition == 0) {
+                sectionText.updatePadding(
+                    top = if (adapter.lastUpdatedTime > 0L) {
+                        lastUpdatedText.isVisible = true
+                        lastUpdatedText.text = lastUpdatedText.context.timeSpanFromNow(
+                            R.string.updates_last_update_info,
+                            adapter.lastUpdatedTime,
+                        )
+                        18.spToPx + 8.dpToPx
+                    } else {
+                        4.dpToPx
+                    },
+                )
+            } else {
+                sectionText.updatePadding(18.dpToPx)
+            }
         }
 
         override fun onLongClick(view: View?): Boolean {

app/src/main/java/eu/kanade/tachiyomi/ui/recents/RecentMangaAdapter.kt

@@ -31,6 +31,7 @@ class RecentMangaAdapter(val delegate: RecentsInterface) :
     var uniformCovers = preferences.uniformGrid().get()
     var showOutline = preferences.outlineOnCovers().get()
     var sortByFetched = preferences.sortFetchedTime().get()
+    var lastUpdatedTime = preferences.libraryUpdateLastTimestamp().get()
     private var collapseGroupedUpdates = preferences.collapseGroupedUpdates().get()
     private var collapseGroupedHistory = preferences.collapseGroupedHistory().get()
     val collapseGrouped: Boolean
@@ -69,6 +70,12 @@ class RecentMangaAdapter(val delegate: RecentsInterface) :
                 (recyclerView.findViewHolderForAdapterPosition(i) as? RecentMangaHolder)?.updateCards()
             }
         }
+        preferences.libraryUpdateLastTimestamp().asFlow().onEach {
+            lastUpdatedTime = it
+            if (viewType.isUpdates) {
+                notifyItemChanged(0)
+            }
+        }.launchIn(delegate.scope())
     }
 
     fun getItemByChapterId(id: Long): RecentMangaItem? {

app/src/main/res/layout/recent_chapters_section_item.xml

@@ -1,8 +1,9 @@
 <?xml version="1.0" encoding="utf-8"?>
-<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
+    xmlns:tools="http://schemas.android.com/tools"
     android:background="?attr/colorSurface"
     android:gravity="center_vertical"
     app:cardCornerRadius="0dp">
@@ -11,9 +12,14 @@
         android:id="@+id/section_text"
         style="?textAppearanceTitleLarge"
         android:textSize="20sp"
-        android:layout_width="wrap_content"
+        android:layout_width="0dp"
         android:paddingTop="18dp"
         android:paddingBottom="4dp"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        tools:text="Fetched yesterday"
         android:paddingEnd="?android:attr/listPreferredItemPaddingEnd"
         android:paddingStart="?android:attr/listPreferredItemPaddingStart"
         android:textColor="?attr/actionBarTintColor"
@@ -21,4 +27,26 @@
         android:layout_gravity="center_vertical"
         android:maxLines="1"/>
 
-</FrameLayout>
+    <TextView
+        android:id="@+id/last_updated_text"
+        style="?textAppearanceBodySmall"
+        android:textStyle="italic"
+        android:textAlignment="textEnd"
+        tools:text="Library last updated: Yesterday"
+        android:layout_width="0dp"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        android:paddingTop="2dp"
+        android:paddingBottom="2dp"
+        android:visibility="gone"
+        tools:visibility="visible"
+        android:paddingEnd="?android:attr/listPreferredItemPaddingEnd"
+        android:paddingStart="?android:attr/listPreferredItemPaddingStart"
+        android:textColor="?attr/actionBarTintColor"
+        android:layout_height="0dp"
+        android:layout_gravity="end|top"
+        app:layout_constraintBottom_toBottomOf="@id/section_text"
+        android:maxLines="1"/>
+
+</androidx.constraintlayout.widget.ConstraintLayout>

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

@@ -257,6 +257,7 @@
     <string name="updated_">Updated %1$s</string>
     <string name="added_">Added %1$s</string>
     <string name="fetched_">Fetched %1$s</string>
+    <string name="updates_last_update_info">Library last updated: %s</string>
     <string name="view_history">View history</string>
     <string name="view_all_updates">View all updates</string>
     <string name="show_more_chapters">Show more chapters</string>