Setting: Creates folders according to manga title (#4861)

* cherry-picking my changes

* Update SettingsDownloadController.kt

* Update SettingsDownloadController.kt

* Update ReaderPresenter.kt

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

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

@@ -104,6 +104,8 @@ object PreferenceKeys {
 
     const val downloadOnlyOverWifi = "pref_download_only_over_wifi_key"
 
+    const val folderPerManga = "create_folder_per_manga"
+
     const val numberOfBackups = "backup_slots"
 
     const val backupInterval = "backup_interval"

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

@@ -232,6 +232,8 @@ class PreferencesHelper(val context: Context) {
 
     fun downloadOnlyOverWifi() = prefs.getBoolean(Keys.downloadOnlyOverWifi, true)
 
+    fun folderPerManga() = prefs.getBoolean(Keys.folderPerManga, false)
+
     fun numberOfBackups() = flowPrefs.getInt(Keys.numberOfBackups, 1)
 
     fun backupInterval() = flowPrefs.getInt(Keys.backupInterval, 0)

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

@@ -685,11 +685,14 @@ class ReaderPresenter(
         notifier.onClear()
 
         // Pictures directory.
-        val destDir = File(
-            Environment.getExternalStorageDirectory().absolutePath +
+        val baseDir = Environment.getExternalStorageDirectory().absolutePath +
                 File.separator + Environment.DIRECTORY_PICTURES +
-                File.separator + "Tachiyomi"
-        )
+                File.separator + context.getString(R.string.app_name)
+        val destDir = if (preferences.folderPerManga()) {
+            File(baseDir + File.separator + manga.title)
+        } else {
+            File(baseDir)
+        }
 
         // Copy file in background.
         Observable.fromCallable { saveImage(page, destDir, manga) }

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

@@ -54,6 +54,12 @@ class SettingsDownloadController : SettingsController() {
             titleRes = R.string.only_download_over_wifi
             defaultValue = true
         }
+        switchPreference {
+            key = Keys.folderPerManga
+            titleRes = R.string.pref_create_folder_per_manga
+            summaryRes = R.string.pref_create_folder_per_manga_summary
+            defaultValue = false
+        }
         preferenceCategory {
             titleRes = R.string.remove_after_read