fix update cache info; add delay to show progress bar

app/src/main/java/com/biganto/visual/roompark/domain/interactor/settings.kt

@@ -36,9 +36,9 @@ class SettingsInteractor @Inject constructor(
         }
 
 
-    private val plans
+    private val plans : Observable<CachedDataModel>
             get() = settingsUseCase.planTypesSize.map {
-        CachedDataModel(activity.resources.getString(R.string.plans_cache),it,1)
+                CachedDataModel(activity.resources.getString(R.string.plans_cache), it, 1)
     }
 
     private val tours
@@ -64,7 +64,7 @@ class SettingsInteractor @Inject constructor(
 
     fun deleteCacheFiles() = settingsUseCase.clearAllCache()
 
-    fun getCacheInfo() =
+    fun getCacheInfo(): Observable<MutableList<CachedDataModel>> =
         Observable.concatArray(plans, tours, feeds, albums, overall).toList().toObservable()
 
     fun fetchSettings(): Observable<SettingsModel> = Observable.just(sampleSettings)

app/src/main/java/com/biganto/visual/roompark/domain/use_case/settingsUseCase.kt

@@ -19,18 +19,18 @@ class SettingsUseCase @Inject constructor(
     fun clearAllCache() = fileContract.deleteAllFiles()
 
     val planTypesSize
-            get() = Observable.just(fileContract.getPlansSize())
+            get() =  Observable.defer { Observable.just(fileContract.getPlansSize()) }
 
     val albumsSize
-        get() = Observable.just(fileContract.getAlbumSize())
+        get() = Observable.defer { Observable.just(fileContract.getAlbumSize()) }
 
     val feedsSize
-        get() = Observable.just(fileContract.getFeedSize())
+        get() = Observable.defer { Observable.just(fileContract.getFeedSize()) }
 
     val toursSize
-        get() = Observable.just(fileContract.getToursSize())
+        get() = Observable.defer { Observable.just(fileContract.getToursSize()) }
 
     val overallSize
-        get() = Observable.just(fileContract.allCacheSize())
+        get() = Observable.defer { Observable.just(fileContract.allCacheSize()) }
 
 }
\ No newline at end of file

app/src/main/java/com/biganto/visual/roompark/presentation/screen/settings/ScreenPresenter.kt

@@ -11,6 +11,7 @@ import io.reactivex.Observable
 import io.reactivex.android.schedulers.AndroidSchedulers
 import io.reactivex.schedulers.Schedulers
 import timber.log.Timber
+import java.util.concurrent.TimeUnit
 import javax.inject.Inject
 
 /**
@@ -99,6 +100,7 @@ class SettingsScreenPresenter @Inject constructor(
                             it.first / it.second.toFloat()
                         )
                     }
+                    .delay(500,TimeUnit.MILLISECONDS)
                     .startWith(SettingsScreenViewState.OnCacheDeleting(0f))
                     .doOnError { Timber.e(it) }
             }