remove some redundant code at gettig media by directories

app/build.gradle

@@ -46,7 +46,7 @@ ext {
 }
 
 dependencies {
-    implementation 'com.simplemobiletools:commons:3.18.14'
+    implementation 'com.simplemobiletools:commons:3.18.17'
     implementation 'com.theartofdev.edmodo:android-image-cropper:2.6.0'
     implementation 'com.android.support:multidex:1.0.3'
     implementation 'it.sephiroth.android.exif:library:1.0.1'

app/src/main/kotlin/com/simplemobiletools/gallery/asynctasks/GetDirectoriesAsynctask.kt

@@ -6,10 +6,10 @@ import com.simplemobiletools.commons.extensions.*
 import com.simplemobiletools.commons.helpers.OTG_PATH
 import com.simplemobiletools.commons.helpers.PERMISSION_WRITE_STORAGE
 import com.simplemobiletools.commons.helpers.SORT_DESCENDING
+import com.simplemobiletools.commons.helpers.sumByLong
 import com.simplemobiletools.gallery.R
 import com.simplemobiletools.gallery.extensions.checkAppendingHidden
 import com.simplemobiletools.gallery.extensions.config
-import com.simplemobiletools.gallery.extensions.sumByLong
 import com.simplemobiletools.gallery.helpers.MediaFetcher
 import com.simplemobiletools.gallery.models.Directory
 import com.simplemobiletools.gallery.models.Medium

app/src/main/kotlin/com/simplemobiletools/gallery/extensions/ArrayList.kt

@@ -1,5 +0,0 @@
-package com.simplemobiletools.gallery.extensions
-
-import java.util.*
-
-fun <E> ArrayList<E>.sumByLong(selector: (E) -> Long) = map { selector(it) }.sum()

app/src/main/kotlin/com/simplemobiletools/gallery/helpers/MediaFetcher.kt

@@ -12,8 +12,6 @@ import java.io.File
 import java.util.LinkedHashMap
 import kotlin.collections.ArrayList
 import kotlin.collections.HashSet
-import kotlin.collections.component1
-import kotlin.collections.component2
 import kotlin.collections.set
 
 class MediaFetcher(val context: Context) {
@@ -21,25 +19,7 @@ class MediaFetcher(val context: Context) {
 
     fun getMediaByDirectories(isPickVideo: Boolean, isPickImage: Boolean): HashMap<String, ArrayList<Medium>> {
         val media = getFilesFrom("", isPickImage, isPickVideo)
-        val excludedPaths = context.config.excludedFolders
-        val includedPaths = context.config.includedFolders
-        val showHidden = context.config.shouldShowHidden
-        val directories = groupDirectories(media)
-
-        val removePaths = ArrayList<String>()
-        for ((path, curMedia) in directories) {
-            // make sure the path has uppercase letters wherever appropriate
-            val groupPath = File(curMedia.first().path).parent
-            if (!File(groupPath).exists() || !shouldFolderBeVisible(groupPath, excludedPaths, includedPaths, showHidden)) {
-                removePaths.add(groupPath.toLowerCase())
-            }
-        }
-
-        removePaths.forEach {
-            directories.remove(it)
-        }
-
-        return directories
+        return groupDirectories(media)
     }
 
     fun getFilesFrom(curPath: String, isPickImage: Boolean, isPickVideo: Boolean): ArrayList<Medium> {