fix childs naming

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

 package com.biganto.visual.roompark.data.data_provider
 
+import android.app.Application
 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 javax.inject.Inject
+import kotlin.reflect.full.primaryConstructor
 
 /**
  * Created by Vladislav Bogdashkin on 29.10.2019.
@@ -14,10 +16,15 @@ import javax.inject.Inject
 class FilesContractModule @Inject constructor(
     private val files: FileModule,
     private val api: IRoomParkApi,
-    private val db: IDb
+    private val db: IDb,
+    private val context: Application
 ): FilesContract {
 
-    
+
+    inline fun <reified T:FileModule.FileDirectory> getDirectory(): T? =
+        T::class.primaryConstructor?.call()
+
+    fun getPlansSize() = getDirectorySize<>()
 
 }
 

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

@@ -73,9 +73,13 @@ class FileModule @Inject constructor(val context: Application) {
         fun assetsDirectory(context: Context): String = context.filesDir.absolutePath
     }
 
+
     sealed class FileDirectory(val dir:String) {
+
         class PlanTypeDir: FileDirectory{
-            constructor (dir:String = "/estates",childName:String? = null) : super(dir.plus("/$childName"))
+
+            constructor (dir:String = "/estates",childName:String? = null)
+                    :super(dir.plus(childName.slashed()))
 
             constructor (catalog:String = "/estates"
                             ,estateId: Int
@@ -93,8 +97,15 @@ class FileModule @Inject constructor(val context: Application) {
                 .plus(".html"))
         }
 
-        class ToursDir(dir:String = "/tours",childName:String? = null) : FileDirectory(dir.plus("/childName"))
-        class FeedsDir(dir:String = "/feeds",childName:String? = null) : FileDirectory(dir.plus("/childName"))
-        class Albums(dir:String = "/photos",childName:String? = null) : FileDirectory(dir.plus("/childName"))
+        class ToursDir(dir:String = "/tours",childName:String? = null)
+            : FileDirectory(dir.plus(childName.slashed()))
+        class FeedsDir(dir:String = "/feeds",childName:String? = null)
+            : FileDirectory(dir.plus(childName.slashed()))
+        class Albums(dir:String = "/photos",childName:String? = null)
+            : FileDirectory(dir.plus(childName.slashed()))
     }
+}
+
+private fun String?.slashed(): String {
+    return this?.padStart(this.length+1,'/')?:""
 }
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