Add history date section headers

app/src/main/java/eu/kanade/tachiyomi/ui/more/AboutController.kt

@@ -19,7 +19,7 @@ import eu.kanade.tachiyomi.ui.base.controller.DialogController
 import eu.kanade.tachiyomi.ui.main.ChangelogDialogController
 import eu.kanade.tachiyomi.ui.setting.SettingsController
 import eu.kanade.tachiyomi.util.lang.launchNow
-import eu.kanade.tachiyomi.util.lang.toTimestampString
+import eu.kanade.tachiyomi.util.lang.toDateTimestampString
 import eu.kanade.tachiyomi.util.preference.defaultValue
 import eu.kanade.tachiyomi.util.preference.onChange
 import eu.kanade.tachiyomi.util.preference.onClick
@@ -180,7 +180,7 @@ class AboutController : SettingsController() {
                     DateFormat.MEDIUM, DateFormat.SHORT, Locale.getDefault())
             outputDf.timeZone = TimeZone.getDefault()
 
-            return buildTime.toTimestampString(dateFormat)
+            return buildTime.toDateTimestampString(dateFormat)
         } catch (e: ParseException) {
             return BuildConfig.BUILD_TIME
         }

app/src/main/java/eu/kanade/tachiyomi/ui/recent/updates/DateItem.kt → app/src/main/java/eu/kanade/tachiyomi/ui/recent/DateSectionItem.kt

@@ -1,4 +1,4 @@
-package eu.kanade.tachiyomi.ui.recent.updates
+package eu.kanade.tachiyomi.ui.recent
 
 import android.text.format.DateUtils
 import android.view.View
@@ -11,10 +11,10 @@ import eu.davidea.viewholders.FlexibleViewHolder
 import eu.kanade.tachiyomi.R
 import java.util.Date
 
-class DateItem(val date: Date) : AbstractHeaderItem<DateItem.Holder>() {
+class DateSectionItem(val date: Date) : AbstractHeaderItem<DateSectionItem.Holder>() {
 
     override fun getLayoutRes(): Int {
-        return R.layout.updates_section_item
+        return R.layout.recent_section_item
     }
 
     override fun createViewHolder(view: View, adapter: FlexibleAdapter<IFlexible<RecyclerView.ViewHolder>>): Holder {
@@ -27,7 +27,7 @@ class DateItem(val date: Date) : AbstractHeaderItem<DateItem.Holder>() {
 
     override fun equals(other: Any?): Boolean {
         if (this === other) return true
-        if (other is DateItem) {
+        if (other is DateSectionItem) {
             return date == other.date
         }
         return false
@@ -43,7 +43,7 @@ class DateItem(val date: Date) : AbstractHeaderItem<DateItem.Holder>() {
 
         val section_text: TextView = view.findViewById(R.id.section_text)
 
-        fun bind(item: DateItem) {
+        fun bind(item: DateSectionItem) {
             section_text.text = DateUtils.getRelativeTimeSpanString(item.date.time, now, DateUtils.DAY_IN_MILLIS)
         }
     }

app/src/main/java/eu/kanade/tachiyomi/ui/recent/history/HistoryAdapter.kt

@@ -1,10 +1,7 @@
 package eu.kanade.tachiyomi.ui.recent.history
 
 import eu.davidea.flexibleadapter.FlexibleAdapter
-import eu.kanade.tachiyomi.data.preference.PreferencesHelper
-import eu.kanade.tachiyomi.data.preference.getOrDefault
 import eu.kanade.tachiyomi.source.SourceManager
-import java.text.DateFormat
 import java.text.DecimalFormat
 import java.text.DecimalFormatSymbols
 import uy.kohesive.injekt.injectLazy
@@ -34,9 +31,10 @@ class HistoryAdapter(controller: HistoryController) :
     val decimalFormat = DecimalFormat("#.###", DecimalFormatSymbols()
             .apply { decimalSeparator = '.' })
 
-    private val preferences: PreferencesHelper by injectLazy()
-
-    val dateFormat: DateFormat = preferences.dateFormat().getOrDefault()
+    init {
+        setDisplayHeadersAtStartUp(true)
+        setStickyHeaders(true)
+    }
 
     interface OnResumeClickListener {
         fun onResumeClick(position: Int)

app/src/main/java/eu/kanade/tachiyomi/ui/recent/history/HistoryHolder.kt

@@ -61,7 +61,7 @@ class HistoryHolder(
                 .format(adapter.sourceManager.getOrStub(manga.source).toString(), formattedNumber)
 
         // Set last read timestamp title
-        last_read.text = Date(history.last_read).toTimestampString(adapter.dateFormat)
+        last_read.text = Date(history.last_read).toTimestampString()
 
         // Set cover
         GlideApp.with(itemView.context).clear(cover)

app/src/main/java/eu/kanade/tachiyomi/ui/recent/history/HistoryItem.kt

@@ -3,12 +3,14 @@ package eu.kanade.tachiyomi.ui.recent.history
 import android.view.View
 import androidx.recyclerview.widget.RecyclerView
 import eu.davidea.flexibleadapter.FlexibleAdapter
-import eu.davidea.flexibleadapter.items.AbstractFlexibleItem
+import eu.davidea.flexibleadapter.items.AbstractSectionableItem
 import eu.davidea.flexibleadapter.items.IFlexible
 import eu.kanade.tachiyomi.R
 import eu.kanade.tachiyomi.data.database.models.MangaChapterHistory
+import eu.kanade.tachiyomi.ui.recent.DateSectionItem
 
-class HistoryItem(val mch: MangaChapterHistory) : AbstractFlexibleItem<HistoryHolder>() {
+class HistoryItem(val mch: MangaChapterHistory, header: DateSectionItem) :
+        AbstractSectionableItem<HistoryHolder, DateSectionItem>(header) {
 
     override fun getLayoutRes(): Int {
         return R.layout.history_item
@@ -24,7 +26,6 @@ class HistoryItem(val mch: MangaChapterHistory) : AbstractFlexibleItem<HistoryHo
         position: Int,
         payloads: List<Any?>?
     ) {
-
         holder.bind(mch)
     }
 

app/src/main/java/eu/kanade/tachiyomi/ui/recent/history/HistoryPresenter.kt

@@ -5,10 +5,14 @@ import eu.kanade.tachiyomi.data.database.DatabaseHelper
 import eu.kanade.tachiyomi.data.database.models.Chapter
 import eu.kanade.tachiyomi.data.database.models.History
 import eu.kanade.tachiyomi.data.database.models.Manga
+import eu.kanade.tachiyomi.data.database.models.MangaChapterHistory
 import eu.kanade.tachiyomi.ui.base.presenter.BasePresenter
+import eu.kanade.tachiyomi.ui.recent.DateSectionItem
+import eu.kanade.tachiyomi.util.lang.toDateKey
 import java.util.Calendar
 import java.util.Comparator
 import java.util.Date
+import java.util.TreeMap
 import rx.Observable
 import rx.android.schedulers.AndroidSchedulers
 import uy.kohesive.injekt.injectLazy
@@ -38,13 +42,21 @@ class HistoryPresenter : BasePresenter<HistoryController>() {
      * @return list of history
      */
     fun getRecentMangaObservable(): Observable<List<HistoryItem>> {
-        // Set date for recent manga
+        // Set date limit for recent manga
         val cal = Calendar.getInstance()
         cal.time = Date()
         cal.add(Calendar.MONTH, -1)
 
         return db.getRecentManga(cal.time).asRxObservable()
-                .map { recents -> recents.map(::HistoryItem) }
+                .map { recents ->
+                    val map = TreeMap<Date, MutableList<MangaChapterHistory>> { d1, d2 -> d2.compareTo(d1) }
+                    val byDay = recents
+                            .groupByTo(map, { it.history.last_read.toDateKey() })
+                    byDay.flatMap {
+                        val dateItem = DateSectionItem(it.key)
+                        it.value.map { HistoryItem(it, dateItem) }
+                    }
+                }
                 .observeOn(AndroidSchedulers.mainThread())
     }
 

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

@@ -9,9 +9,10 @@ import eu.kanade.tachiyomi.R
 import eu.kanade.tachiyomi.data.database.models.Chapter
 import eu.kanade.tachiyomi.data.database.models.Manga
 import eu.kanade.tachiyomi.data.download.model.Download
+import eu.kanade.tachiyomi.ui.recent.DateSectionItem
 
-class UpdatesItem(val chapter: Chapter, val manga: Manga, header: DateItem) :
-        AbstractSectionableItem<UpdatesHolder, DateItem>(header) {
+class UpdatesItem(val chapter: Chapter, val manga: Manga, header: DateSectionItem) :
+        AbstractSectionableItem<UpdatesHolder, DateSectionItem>(header) {
 
     private var _status: Int = 0
 
@@ -41,7 +42,6 @@ class UpdatesItem(val chapter: Chapter, val manga: Manga, header: DateItem) :
         position: Int,
         payloads: List<Any?>?
     ) {
-
         holder.bind(this)
     }
 

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

@@ -8,6 +8,8 @@ import eu.kanade.tachiyomi.data.download.model.Download
 import eu.kanade.tachiyomi.data.preference.PreferencesHelper
 import eu.kanade.tachiyomi.source.SourceManager
 import eu.kanade.tachiyomi.ui.base.presenter.BasePresenter
+import eu.kanade.tachiyomi.ui.recent.DateSectionItem
+import eu.kanade.tachiyomi.util.lang.toDateKey
 import java.util.Calendar
 import java.util.Date
 import java.util.TreeMap
@@ -60,9 +62,9 @@ class UpdatesPresenter(
                 .map { mangaChapters ->
                     val map = TreeMap<Date, MutableList<MangaChapter>> { d1, d2 -> d2.compareTo(d1) }
                     val byDay = mangaChapters
-                            .groupByTo(map, { getMapKey(it.chapter.date_fetch) })
+                            .groupByTo(map, { it.chapter.date_fetch.toDateKey() })
                     byDay.flatMap {
-                        val dateItem = DateItem(it.key)
+                        val dateItem = DateSectionItem(it.key)
                         it.value
                                 .sortedWith(compareBy({ it.chapter.date_fetch }, { it.chapter.chapter_number })).asReversed()
                                 .map { UpdatesItem(it.chapter, it.manga, dateItem) }
@@ -84,22 +86,6 @@ class UpdatesPresenter(
                 }
     }
 
-    /**
-     * Get date as time key
-     *
-     * @param date desired date
-     * @return date as time key
-     */
-    private fun getMapKey(date: Long): Date {
-        val cal = Calendar.getInstance()
-        cal.time = Date(date)
-        cal[Calendar.HOUR_OF_DAY] = 0
-        cal[Calendar.MINUTE] = 0
-        cal[Calendar.SECOND] = 0
-        cal[Calendar.MILLISECOND] = 0
-        return cal.time
-    }
-
     /**
      * Returns observable containing chapter status.
      *

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

@@ -1,10 +1,31 @@
 package eu.kanade.tachiyomi.util.lang
 
 import java.text.DateFormat
+import java.util.Calendar
 import java.util.Date
 
-fun Date.toTimestampString(dateFormatter: DateFormat): String {
+fun Date.toDateTimestampString(dateFormatter: DateFormat): String {
     val date = dateFormatter.format(this)
     val time = DateFormat.getTimeInstance(DateFormat.SHORT).format(this)
     return "$date $time"
 }
+
+fun Date.toTimestampString(): String {
+    return DateFormat.getTimeInstance(DateFormat.SHORT).format(this)
+}
+
+/**
+ * Get date as time key
+ *
+ * @param date desired date
+ * @return date as time key
+ */
+fun Long.toDateKey(): Date {
+    val cal = Calendar.getInstance()
+    cal.time = Date(this)
+    cal[Calendar.HOUR_OF_DAY] = 0
+    cal[Calendar.MINUTE] = 0
+    cal[Calendar.SECOND] = 0
+    cal[Calendar.MILLISECOND] = 0
+    return cal.time
+}

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

@@ -10,8 +10,6 @@
         android:layout_width="match_parent"
         android:layout_height="match_parent"
         android:clipToPadding="false"
-        android:paddingTop="4dp"
-        android:paddingBottom="4dp"
         tools:listitem="@layout/history_item" />
 
     <eu.kanade.tachiyomi.widget.EmptyView