move some folder getting functions in context extensions

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

@@ -1,15 +1,13 @@
 package com.simplemobiletools.gallery.asynctasks
 
 import android.content.Context
-import android.database.Cursor
 import android.os.AsyncTask
-import android.provider.MediaStore
 import com.simplemobiletools.commons.extensions.isGif
 import com.simplemobiletools.commons.extensions.isImageFast
 import com.simplemobiletools.commons.extensions.isVideoFast
 import com.simplemobiletools.gallery.R
 import com.simplemobiletools.gallery.extensions.getHumanizedFilename
-import com.simplemobiletools.gallery.extensions.getStringValue
+import com.simplemobiletools.gallery.extensions.getParents
 import com.simplemobiletools.gallery.helpers.Config
 import com.simplemobiletools.gallery.helpers.IMAGES
 import com.simplemobiletools.gallery.helpers.SORT_BY_DATE_MODIFIED
@@ -28,54 +26,12 @@ class GetDirectoriesAsynctask(val context: Context, val isPickVideo: Boolean, va
         mConfig = Config.newInstance(context)
     }
 
-    private fun getWhereCondition(): String {
-        val showMedia = mConfig.showMedia
-        return if ((isPickImage || showMedia == IMAGES) || (isPickVideo || showMedia == VIDEOS)) {
-            "${MediaStore.Files.FileColumns.MEDIA_TYPE} = ?)"
-        } else {
-            "${MediaStore.Files.FileColumns.MEDIA_TYPE} = ? OR ${MediaStore.Files.FileColumns.MEDIA_TYPE} = ?)"
-        }
-    }
-
-    private fun getArgs(): Array<String> {
-        val showMedia = mConfig.showMedia
-        return if (isPickImage || showMedia == IMAGES) {
-            arrayOf(MediaStore.Files.FileColumns.MEDIA_TYPE_IMAGE.toString())
-        } else if (isPickVideo || showMedia == VIDEOS) {
-            arrayOf(MediaStore.Files.FileColumns.MEDIA_TYPE_VIDEO.toString())
-        } else {
-            arrayOf(MediaStore.Files.FileColumns.MEDIA_TYPE_IMAGE.toString(), MediaStore.Files.FileColumns.MEDIA_TYPE_VIDEO.toString())
-        }
-    }
-
-    private fun getParents(): ArrayList<String> {
-        val uri = MediaStore.Files.getContentUri("external")
-        val where = "${getWhereCondition()} GROUP BY ( ${MediaStore.Files.FileColumns.PARENT} "
-        val args = getArgs()
-        val columns = arrayOf(MediaStore.Files.FileColumns.PARENT, MediaStore.Images.Media.DATA)
-        var cursor: Cursor? = null
-        val parents = ArrayList<String>()
-
-        try {
-            cursor = context.contentResolver.query(uri, columns, where, args, null)
-            if (cursor?.moveToFirst() == true) {
-                do {
-                    val curPath = cursor.getStringValue(MediaStore.Images.Media.DATA)
-                    parents.add(File(curPath).parent)
-                } while (cursor.moveToNext())
-            }
-        } finally {
-            cursor?.close()
-        }
-        return parents
-    }
-
     override fun doInBackground(vararg params: Void): ArrayList<Directory> {
         val directories = LinkedHashMap<String, Directory>()
         val media = ArrayList<Medium>()
         val showMedia = mConfig.showMedia
         val fileSorting = mConfig.fileSorting
-        val parents = getParents()
+        val parents = context.getParents(isPickImage, isPickVideo)
 
         parents.mapNotNull { File(it).listFiles() }
                 .forEach {

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

@@ -7,6 +7,11 @@ import android.net.Uri
 import android.provider.MediaStore
 import com.simplemobiletools.commons.extensions.humanizePath
 import com.simplemobiletools.gallery.activities.SettingsActivity
+import com.simplemobiletools.gallery.helpers.Config
+import com.simplemobiletools.gallery.helpers.IMAGES
+import com.simplemobiletools.gallery.helpers.VIDEOS
+import java.io.File
+import java.util.*
 
 fun Context.getRealPathFromURI(uri: Uri): String? {
     var cursor: Cursor? = null
@@ -36,3 +41,45 @@ fun Context.launchCamera() {
 fun Context.launchSettings() {
     startActivity(Intent(this, SettingsActivity::class.java))
 }
+
+fun Context.getParents(isPickImage: Boolean, isPickVideo: Boolean): ArrayList<String> {
+    val uri = MediaStore.Files.getContentUri("external")
+    val where = "${getWhereCondition(this, isPickImage, isPickVideo)} GROUP BY ( ${MediaStore.Files.FileColumns.PARENT} "
+    val args = getArgs(this, isPickImage, isPickVideo)
+    val columns = arrayOf(MediaStore.Files.FileColumns.PARENT, MediaStore.Images.Media.DATA)
+    var cursor: Cursor? = null
+    val parents = ArrayList<String>()
+
+    try {
+        cursor = contentResolver.query(uri, columns, where, args, null)
+        if (cursor?.moveToFirst() == true) {
+            do {
+                val curPath = cursor.getStringValue(MediaStore.Images.Media.DATA)
+                parents.add(File(curPath).parent)
+            } while (cursor.moveToNext())
+        }
+    } finally {
+        cursor?.close()
+    }
+    return parents
+}
+
+private fun getWhereCondition(context: Context, isPickImage: Boolean, isPickVideo: Boolean): String {
+    val showMedia = Config.newInstance(context).showMedia
+    return if ((isPickImage || showMedia == IMAGES) || (isPickVideo || showMedia == VIDEOS)) {
+        "${MediaStore.Files.FileColumns.MEDIA_TYPE} = ?)"
+    } else {
+        "${MediaStore.Files.FileColumns.MEDIA_TYPE} = ? OR ${MediaStore.Files.FileColumns.MEDIA_TYPE} = ?)"
+    }
+}
+
+private fun getArgs(context: Context, isPickImage: Boolean, isPickVideo: Boolean): Array<String> {
+    val showMedia = Config.newInstance(context).showMedia
+    return if (isPickImage || showMedia == IMAGES) {
+        arrayOf(MediaStore.Files.FileColumns.MEDIA_TYPE_IMAGE.toString())
+    } else if (isPickVideo || showMedia == VIDEOS) {
+        arrayOf(MediaStore.Files.FileColumns.MEDIA_TYPE_VIDEO.toString())
+    } else {
+        arrayOf(MediaStore.Files.FileColumns.MEDIA_TYPE_IMAGE.toString(), MediaStore.Files.FileColumns.MEDIA_TYPE_VIDEO.toString())
+    }
+}