calculate files size

app/src/main/java/com/biganto/visual/roompark/data/data_provider/FilesRepository.kt

@@ -5,6 +5,8 @@ import com.biganto.visual.roompark.data.repository.api.IRoomParkApi
 import com.biganto.visual.roompark.data.repository.db.IDb
 import com.biganto.visual.roompark.data.repository.file.FileModule
 import com.biganto.visual.roompark.domain.contract.FilesContract
+import com.biganto.visual.roompark.util.extensions.folderSize
+import java.io.File
 import javax.inject.Inject
 import kotlin.reflect.full.primaryConstructor
 
@@ -21,10 +23,23 @@ class FilesContractModule @Inject constructor(
 ): FilesContract {
 
 
-    inline fun <reified T:FileModule.FileDirectory> getDirectory(): T? =
+    private inline fun <reified T:FileModule.FileDirectory> getDirectory(): T? =
         T::class.primaryConstructor?.call()
 
-    fun getPlansSize() = getDirectorySize<>()
+    private inline fun <reified T:FileModule.FileDirectory> getFile(): File {
+        val d = getDirectory<T>()?:error("Unresolved class type")
+        return FileModule.getDirectory(context,d)
+    }
+
+    override fun getPlansSize() = getFile<FileModule.FileDirectory.PlanTypeDir>().folderSize
+
+    override fun getToursSize() = getFile<FileModule.FileDirectory.ToursDir>().folderSize
+
+    override fun getFeedSize() = getFile<FileModule.FileDirectory.FeedsDir>().folderSize
+
+    override fun getAlbumSize() = getFile<FileModule.FileDirectory.Albums>().folderSize
+
+    override fun allCacheSize() = FileModule.assetsFile(context).folderSize
 
 }
 

app/src/main/java/com/biganto/visual/roompark/data/repository/file/FileModule.kt

@@ -71,6 +71,9 @@ class FileModule @Inject constructor(val context: Application) {
             File(context.filesDir.absolutePath.plus(dirType.dir))
 
         fun assetsDirectory(context: Context): String = context.filesDir.absolutePath
+
+        fun assetsFile(context: Context): File = context.filesDir.absoluteFile
+
     }
 
 

app/src/main/java/com/biganto/visual/roompark/domain/contract/FilesContract.kt

@@ -6,4 +6,9 @@ package com.biganto.visual.roompark.domain.contract
 
 interface FilesContract{
 
+    fun allCacheSize(): Long
+    fun getAlbumSize(): Long
+    fun getFeedSize(): Long
+    fun getToursSize(): Long
+    fun getPlansSize(): Long
 }
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app/src/main/java/com/biganto/visual/roompark/util/extensions/ext.kt

@@ -5,6 +5,7 @@ import android.graphics.Canvas
 import android.graphics.RectF
 import android.view.View
 import timber.log.Timber
+import java.io.File
 import java.text.DecimalFormat
 import java.text.SimpleDateFormat
 import java.util.*
@@ -97,4 +98,10 @@ fun Bitmap.scaleCenterCrop(viewHolder:View): Bitmap {
     canvas.drawBitmap(this, null, targetRect, null)
 
     return dest
-}
\ No newline at end of file
+}
+
+val File.folderSize get() =
+    this.walkTopDown()
+    .asSequence()
+    .map {it.length()}
+    .sum()
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