Implement library filter for tracked items (#1)

* Implement library filter for tracked items

* Revert formatting

* Move string 'tracked'

Co-authored-by: she11sh0cked <she11sh0cked@users.noreply.github.com>

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

@@ -109,6 +109,8 @@ object PreferenceKeys {
 
     const val filterCompleted = "pref_filter_completed_key"
 
+    const val filterTracked = "pref_filter_tracked_key"
+
     const val librarySortingMode = "library_sorting_mode"
 
     const val automaticExtUpdates = "automatic_ext_updates"

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

@@ -202,6 +202,8 @@ class PreferencesHelper(val context: Context) {
 
     fun filterCompleted() = flowPrefs.getInt(Keys.filterCompleted, 0)
 
+    fun filterTracked() = flowPrefs.getInt(Keys.filterTracked, 0)
+
     fun librarySortingMode() = flowPrefs.getInt(Keys.librarySortingMode, 0)
 
     fun librarySortingAscending() = flowPrefs.getBoolean("library_sorting_ascending", true)

app/src/main/java/eu/kanade/tachiyomi/ui/library/LibraryPresenter.kt

@@ -130,6 +130,7 @@ class LibraryPresenter(
         val filterDownloadedOnly = preferences.downloadedOnly().get()
         val filterUnread = preferences.filterUnread().get()
         val filterCompleted = preferences.filterCompleted().get()
+        val filterTracked = preferences.filterTracked().get()
 
         val filterFn: (LibraryItem) -> Boolean = f@{ item ->
             // Filter when there isn't unread chapters.
@@ -145,6 +146,11 @@ class LibraryPresenter(
             if (filterCompleted == STATE_EXCLUDE && item.manga.status == SManga.COMPLETED) {
                 return@f false
             }
+            if (filterTracked != STATE_IGNORE) {
+                val tracks = db.getTracks(item.manga).executeAsBlocking()
+                if (filterTracked == STATE_INCLUDE && tracks.isEmpty()) return@f false
+                else if (filterTracked == STATE_EXCLUDE && tracks.isNotEmpty()) return@f false
+            }
             // Filter when there are no downloads.
             if (filterDownloaded != STATE_IGNORE || filterDownloadedOnly) {
                 val isDownloaded = when {

app/src/main/java/eu/kanade/tachiyomi/ui/library/LibrarySettingsSheet.kt

@@ -70,9 +70,10 @@ class LibrarySettingsSheet(
             private val downloaded = Item.TriStateGroup(R.string.action_filter_downloaded, this)
             private val unread = Item.TriStateGroup(R.string.action_filter_unread, this)
             private val completed = Item.TriStateGroup(R.string.completed, this)
+            private val tracked = Item.TriStateGroup(R.string.tracked, this)
 
             override val header = null
-            override val items = listOf(downloaded, unread, completed)
+            override val items = listOf(downloaded, unread, completed, tracked)
             override val footer = null
 
             override fun initModels() { // j2k changes
@@ -80,6 +81,7 @@ class LibrarySettingsSheet(
                     downloaded.state = preferences.filterDownloaded().get()
                     unread.state = preferences.filterUnread().get()
                     completed.state = preferences.filterCompleted().get()
+                    tracked.state = preferences.filterTracked().get()
                 } catch (e: Exception) {
                     preferences.upgradeFilters()
                 }
@@ -97,6 +99,7 @@ class LibrarySettingsSheet(
                     downloaded -> preferences.filterDownloaded().set(item.state)
                     unread -> preferences.filterUnread().set(item.state)
                     completed -> preferences.filterCompleted().set(item.state)
+                    tracked -> preferences.filterTracked().set(item.state)
                 }
 
                 adapter.notifyItemChanged(item)

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

@@ -17,6 +17,9 @@
     <string name="action_copy_now">Copy now</string>
 
     <!-- Preferences -->
+    <!-- Filter -->
+    <string name="tracked">Tracked</string>
+
     <!-- Subsections -->
     <string name="pref_category_all_sources">All Sources</string>