Can now choose to automatically remove chapter after reading (or previous). Fix #42

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

@@ -190,6 +190,14 @@ class PreferencesHelper(private val context: Context) {
         return prefs.getBoolean(getKey(R.string.pref_download_only_over_wifi_key), true)
     }
 
+    fun removeAfterRead(): Boolean {
+        return prefs.getBoolean(getKey(R.string.pref_remove_after_read_key), false)
+    }
+
+    fun removeAfterReadPrevious(): Boolean {
+        return prefs.getBoolean(getKey(R.string.pref_remove_after_read_previous_key), false)
+    }
+
     fun removeAfterMarkedAsRead(): Boolean {
         return prefs.getBoolean(getKey(R.string.pref_remove_after_marked_as_read_key), false)
     }

app/src/main/java/eu/kanade/tachiyomi/ui/reader/ReaderActivity.kt

@@ -252,6 +252,7 @@ class ReaderActivity : BaseRxActivity<ReaderPresenter>() {
         nextChapterBtn?.isVisible = presenter.hasNextChapter()
     }
 
+
     private fun getOrCreateViewer(manga: Manga): BaseReader {
         val mangaViewer = if (manga.viewer == 0) preferences.defaultViewer else manga.viewer
 

app/src/main/java/eu/kanade/tachiyomi/ui/reader/ReaderPresenter.kt

@@ -335,10 +335,32 @@ class ReaderPresenter : BasePresenter<ReaderActivity>() {
         // Save current progress of the chapter. Mark as read if the chapter is finished
         if (activePage.isLastPage) {
             chapter.read = true
+
+            // Check if remove after read is selected by user
+            if (prefs.removeAfterRead()) {
+                if (prefs.removeAfterReadPrevious() ) {
+                    if (previousChapter != null) {
+                        deleteChapter(previousChapter!!, manga)
+                    }
+                } else {
+                    deleteChapter(chapter, manga)
+                }
+            }
         }
         db.insertChapter(chapter).asRxObservable().subscribe()
     }
 
+    /**
+     * Delete selected chapter
+     * @param chapter chapter that is selected
+     * *
+     * @param manga manga that belongs to chapter
+     */
+    fun deleteChapter(chapter: Chapter, manga: Manga) {
+        val source = sourceManager.get(manga.source)!!
+        downloadManager.deleteChapter(source, manga, chapter)
+    }
+
     // If the current chapter has been read, we check with this one
     // If not, we check if the previous chapter has been read
     // We know the chapter we have to check, but we don't know yet if an update is required.
@@ -417,5 +439,4 @@ class ReaderPresenter : BasePresenter<ReaderActivity>() {
         manga.viewer = viewer
         db.insertManga(manga).executeAsBlocking()
     }
-
 }

app/src/main/java/eu/kanade/tachiyomi/ui/setting/SettingsDownloadsFragment.kt

@@ -20,7 +20,6 @@ import java.io.File
 class SettingsDownloadsFragment : SettingsNestedFragment() {
 
     val downloadDirPref by lazy { findPreference(getString(R.string.pref_download_directory_key)) }
-
     companion object {
 
         val DOWNLOAD_DIR_CODE = 103

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

@@ -37,6 +37,10 @@
     <string name="pref_download_slots_key">pref_download_slots_key</string>
     <string name="pref_download_only_over_wifi_key">pref_download_only_over_wifi_key</string>
     <string name="pref_remove_after_marked_as_read_key">pref_remove_after_marked_as_read_key</string>
+    <string name="pref_category_remove_after_read_key">pref_category_remove_after_read_key</string>
+
+    <string name="pref_remove_after_read_key">pref_remove_after_read_key</string>
+    <string name="pref_remove_after_read_previous_key">pref_remove_after_read_previous_key</string>
 
 
     <string name="pref_source_languages">pref_source_languages</string>

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

@@ -135,8 +135,13 @@
     <string name="pref_download_slots">Simultaneous downloads</string>
     <string name="pref_download_only_over_wifi">Only download over Wi-Fi</string>
     <string name="pref_remove_after_marked_as_read">Remove when marked as read</string>
+    <string name="pref_remove_after_read">Remove after read</string>
+    <string name="cat_remove_after_read">Remove after read</string>
+    <string name="current_chapter">Current chapter</string>
+    <string name="previous_chapter">Previous chapter</string>
     <string name="custom_dir">Custom directory</string>
 
+
       <!-- Sources section -->
     <string name="languages">Languages</string>
     <string name="languages_summary">Select the languages to show sources from</string>

app/src/main/res/xml/pref_downloads.xml

@@ -3,26 +3,41 @@
     xmlns:android="http://schemas.android.com/apk/res/android">
 
     <Preference
-        android:title="@string/pref_download_directory"
+        android:key="@string/pref_download_directory_key"
-        android:key="@string/pref_download_directory_key"/>
+        android:title="@string/pref_download_directory"/>
 
     <SwitchPreferenceCompat
-        android:title="@string/pref_download_only_over_wifi"
+        android:defaultValue="true"
         android:key="@string/pref_download_only_over_wifi_key"
-        android:defaultValue="true"/>
+        android:title="@string/pref_download_only_over_wifi"/>
-
-    <SwitchPreferenceCompat
-        android:title="@string/pref_remove_after_marked_as_read"
-        android:key="@string/pref_remove_after_marked_as_read_key"
-        android:defaultValue="false"/>
-
 
     <eu.kanade.tachiyomi.widget.preference.IntListPreference
-        android:title="@string/pref_download_slots"
+        android:defaultValue="1"
-        android:key="@string/pref_download_slots_key"
         android:entries="@array/download_slots"
         android:entryValues="@array/download_slots"
-        android:defaultValue="1"
+        android:key="@string/pref_download_slots_key"
-        android:summary="%s"/>
+        android:summary="%s"
+        android:title="@string/pref_download_slots"/>
+
+    <PreferenceCategory
+        android:persistent="false"
+        android:title="@string/cat_remove_after_read"/>
+    <SwitchPreferenceCompat
+        android:defaultValue="false"
+        android:key="@string/pref_remove_after_marked_as_read_key"
+        android:title="@string/pref_remove_after_marked_as_read"/>
+
+    <SwitchPreferenceCompat
+        android:defaultValue="false"
+        android:key="@string/pref_remove_after_read_key"
+        android:summary="@string/current_chapter"
+        android:title="@string/pref_remove_after_read"/>
+
+    <SwitchPreferenceCompat
+        android:defaultValue="false"
+        android:dependency="@string/pref_remove_after_read_key"
+        android:key="@string/pref_remove_after_read_previous_key"
+        android:summary="@string/previous_chapter"
+        android:title="@string/pref_remove_after_read"/>
 
 </android.support.v7.preference.PreferenceScreen>