Moved free space to IO thread.

app/build.gradle.kts

@@ -106,6 +106,7 @@ androidComponents {
 }
 
 dependencies {
+  implementation(Libs.kotlinx_coroutines_rx3)
   androidTestImplementation(Libs.leakcanary_android_instrumentation)
   testImplementation(Libs.kotlinx_coroutines_test)
 }

app/src/main/java/org/kiwix/kiwixmobile/nav/destination/library/CopyMoveFileHandler.kt

@@ -208,7 +208,7 @@ class CopyMoveFileHandler @Inject constructor(
     }
   }
 
-  fun handleDetectingFileSystemState() {
+  suspend fun handleDetectingFileSystemState() {
     if (isBookLessThan4GB()) {
       performCopyMoveOperationIfSufficientSpaceAvailable()
     } else {
@@ -217,7 +217,7 @@ class CopyMoveFileHandler @Inject constructor(
     }
   }
 
-  fun handleCannotWrite4GbFileState() {
+  suspend fun handleCannotWrite4GbFileState() {
     if (isBookLessThan4GB()) {
       performCopyMoveOperationIfSufficientSpaceAvailable()
     } else {
@@ -240,8 +240,7 @@ class CopyMoveFileHandler @Inject constructor(
       }
   }
 
-  fun performCopyMoveOperationIfSufficientSpaceAvailable() {
-    lifecycleScope?.launch {
+  suspend fun performCopyMoveOperationIfSufficientSpaceAvailable() {
     val availableSpace = storageCalculator.availableBytes(File(sharedPreferenceUtil.prefStorage))
     if (hasNotSufficientStorageSpace(availableSpace)) {
       fileCopyMoveCallback?.insufficientSpaceInStorage(availableSpace)
@@ -249,7 +248,6 @@ class CopyMoveFileHandler @Inject constructor(
       performCopyMoveOperation()
     }
   }
-  }
 
   fun showCopyMoveDialog(showStorageSelectionDialog: Boolean = false) {
     alertDialogShower.show(

app/src/main/java/org/kiwix/kiwixmobile/nav/destination/library/LocalLibraryFragment.kt

@@ -244,8 +244,10 @@ class LocalLibraryFragment : BaseFragment(), CopyMoveFileHandler.FileCopyMoveCal
     )
   }
 
+  @Suppress("LongMethod")
   override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
     super.onViewCreated(view, savedInstanceState)
+    lifecycleScope.launch {
       setUpSwipeRefreshLayout()
       copyMoveFileHandler?.apply {
         setFileCopyMoveCallback(this@LocalLibraryFragment)
@@ -308,6 +310,7 @@ class LocalLibraryFragment : BaseFragment(), CopyMoveFileHandler.FileCopyMoveCal
       )
       showCopyMoveDialogForOpenedZimFileFromStorage()
     }
+  }
 
   private fun showCopyMoveDialogForOpenedZimFileFromStorage() {
     val args = LocalLibraryFragmentArgs.fromBundle(requireArguments())
@@ -680,6 +683,7 @@ class LocalLibraryFragment : BaseFragment(), CopyMoveFileHandler.FileCopyMoveCal
   private fun storeDeviceInPreferences(
     storageDevice: StorageDevice
   ) {
+    lifecycleScope.launch {
       sharedPreferenceUtil.putPrefStorage(
         sharedPreferenceUtil.getPublicDirectoryPath(storageDevice.name)
       )
@@ -691,3 +695,4 @@ class LocalLibraryFragment : BaseFragment(), CopyMoveFileHandler.FileCopyMoveCal
       copyMoveFileHandler?.copyMoveZIMFileInSelectedStorage(storageDevice)
     }
   }
+}

app/src/test/java/org/kiwix/kiwixmobile/localLibrary/CopyMoveFileHandlerTest.kt

@@ -136,11 +136,11 @@ class CopyMoveFileHandlerTest {
       val result = fileHandler.validateZimFileCanCopyOrMove(storageFile)
 
       assertFalse(result)
-      verify { fileHandler.handleDetectingFileSystemState() }
+      coVerify { fileHandler.handleDetectingFileSystemState() }
     }
 
   @Test
-  fun validateZimFileCanCopyOrMoveShouldReturnFalseWhenCannotWrite4GbFile() = runBlocking {
+  fun validateZimFileCanCopyOrMoveShouldReturnFalseWhenCannotWrite4GbFile() = runTest {
     every { fileHandler.isBookLessThan4GB() } returns true
     every { fileHandler.showCopyMoveDialog() } just Runs
     every {
@@ -151,23 +151,23 @@ class CopyMoveFileHandlerTest {
     val result = fileHandler.validateZimFileCanCopyOrMove(storageFile)
 
     assertFalse(result)
-    verify { fileHandler.handleCannotWrite4GbFileState() }
+    coVerify { fileHandler.handleCannotWrite4GbFileState() }
   }
 
   @Test
-  fun handleDetectingFileSystemStateShouldPerformCopyMoveOperationIfBookLessThan4GB() {
+  fun handleDetectingFileSystemStateShouldPerformCopyMoveOperationIfBookLessThan4GB() = runTest {
     fileHandler = spyk(fileHandler)
     prepareFileSystemAndFileForMockk()
     every { fileHandler.isBookLessThan4GB() } returns true
-    every { fileHandler.performCopyMoveOperationIfSufficientSpaceAvailable() } just Runs
+    coEvery { fileHandler.performCopyMoveOperationIfSufficientSpaceAvailable() } just Runs
 
     fileHandler.handleDetectingFileSystemState()
 
-    verify { fileHandler.performCopyMoveOperationIfSufficientSpaceAvailable() }
+    coVerify { fileHandler.performCopyMoveOperationIfSufficientSpaceAvailable() }
   }
 
   @Test
-  fun handleDetectingFileSystemStateShouldObserveFileSystemStateIfBookGreaterThan4GB() {
+  fun handleDetectingFileSystemStateShouldObserveFileSystemStateIfBookGreaterThan4GB() = runTest {
     fileHandler = spyk(fileHandler)
     prepareFileSystemAndFileForMockk(fileSystemState = DetectingFileSystem)
     every { fileHandler.isBookLessThan4GB() } returns false
@@ -178,19 +178,19 @@ class CopyMoveFileHandlerTest {
   }
 
   @Test
-  fun handleCannotWrite4GbFileStateShouldPerformCopyMoveOperationIfBookLessThan4GB() {
+  fun handleCannotWrite4GbFileStateShouldPerformCopyMoveOperationIfBookLessThan4GB() = runTest {
     fileHandler = spyk(fileHandler)
     prepareFileSystemAndFileForMockk()
     every { fileHandler.isBookLessThan4GB() } returns true
-    every { fileHandler.performCopyMoveOperationIfSufficientSpaceAvailable() } just Runs
+    coEvery { fileHandler.performCopyMoveOperationIfSufficientSpaceAvailable() } just Runs
 
     fileHandler.handleCannotWrite4GbFileState()
 
-    verify { fileHandler.performCopyMoveOperationIfSufficientSpaceAvailable() }
+    coVerify { fileHandler.performCopyMoveOperationIfSufficientSpaceAvailable() }
   }
 
   @Test
-  fun handleCannotWrite4GbFileStateShouldCallCallbackIfBookGreaterThan4GB() {
+  fun handleCannotWrite4GbFileStateShouldCallCallbackIfBookGreaterThan4GB() = runTest {
     fileHandler = spyk(fileHandler)
     prepareFileSystemAndFileForMockk()
     every { fileHandler.isBookLessThan4GB() } returns false

core/src/main/java/org/kiwix/kiwixmobile/core/extensions/FileExtensions.kt

@@ -19,17 +19,12 @@
 package org.kiwix.kiwixmobile.core.extensions
 
 import kotlinx.coroutines.Dispatchers
-import kotlinx.coroutines.runBlocking
 import kotlinx.coroutines.withContext
 import java.io.File
 
 suspend fun File.isFileExist(): Boolean = withContext(Dispatchers.IO) { exists() }
 
-fun File.freeSpace(): Long = runBlocking {
-  withContext(Dispatchers.IO) {
-    freeSpace
-  }
-}
+suspend fun File.freeSpace(): Long = withContext(Dispatchers.IO) { freeSpace }
 
 suspend fun File.totalSpace(): Long = withContext(Dispatchers.IO) { totalSpace }
 

custom/src/main/java/org/kiwix/kiwixmobile/custom/download/effects/SetPreferredStorageWithMostSpace.kt

@@ -28,7 +28,7 @@ import javax.inject.Inject
 
 class SetPreferredStorageWithMostSpace @Inject constructor(
   private val storageCalculator: StorageCalculator,
-  private val sharedPreferenceUtil: SharedPreferenceUtil
+  private val sharedPreferenceUtil: SharedPreferenceUtil,
 ) : SideEffect<Unit> {
   override fun invokeWith(activity: AppCompatActivity) {
     activity.lifecycleScope.launch {