Minor improvement in downloading functionality.

* When the internet connection is turned off and then turned on back, the download progress is now properly tracked while the application is in the foreground. Tracking progress is working fine with this scenario when the application is closed.

app/detekt_baseline.xml

@@ -17,7 +17,6 @@
     <ID>NestedBlockDepth:ReceiverHandShake.kt$ReceiverHandShake$override fun exchangeFileTransferMetadata(inputStream: InputStream, outputStream: OutputStream)</ID>
     <ID>PackageNaming:AvailableSpaceCalculator.kt$package
       org.kiwix.kiwixmobile.zimManager.libraryView</ID>
-    <ID>PackageNaming:ConnectivityBroadcastReceiver.kt$package org.kiwix.kiwixmobile.zimManager</ID>
     <ID>PackageNaming:DefaultLanguageProvider.kt$package org.kiwix.kiwixmobile.zimManager</ID>
     <ID>PackageNaming:DeleteFiles.kt$package
       org.kiwix.kiwixmobile.zimManager.fileselectView.effects</ID>
@@ -37,7 +36,6 @@
     <ID>PackageNaming:MountFileSystemChecker.kt$package org.kiwix.kiwixmobile.zimManager</ID>
     <ID>PackageNaming:NavigateToDownloads.kt$package
       org.kiwix.kiwixmobile.zimManager.fileselectView.effects</ID>
-    <ID>PackageNaming:NetworkState.kt$package org.kiwix.kiwixmobile.zimManager</ID>
     <ID>PackageNaming:None.kt$package org.kiwix.kiwixmobile.zimManager.fileselectView.effects</ID>
     <ID>PackageNaming:OpenFileWithNavigation.kt$package
       org.kiwix.kiwixmobile.zimManager.fileselectView.effects</ID>

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

@@ -89,7 +89,7 @@ import org.kiwix.kiwixmobile.core.utils.dialog.DialogShower
 import org.kiwix.kiwixmobile.core.utils.dialog.KiwixDialog
 import org.kiwix.kiwixmobile.core.utils.dialog.KiwixDialog.YesNoDialog.WifiOnly
 import org.kiwix.kiwixmobile.databinding.FragmentDestinationDownloadBinding
-import org.kiwix.kiwixmobile.zimManager.NetworkState
+import org.kiwix.kiwixmobile.core.zim_manager.NetworkState
 import org.kiwix.kiwixmobile.zimManager.ZimManageViewModel
 import org.kiwix.kiwixmobile.zimManager.libraryView.AvailableSpaceCalculator
 import org.kiwix.kiwixmobile.zimManager.libraryView.adapter.LibraryAdapter

app/src/main/java/org/kiwix/kiwixmobile/zimManager/ZimManageViewModel.kt

@@ -66,13 +66,15 @@ import org.kiwix.kiwixmobile.core.utils.BookUtils
 import org.kiwix.kiwixmobile.core.utils.SharedPreferenceUtil
 import org.kiwix.kiwixmobile.core.utils.files.Log
 import org.kiwix.kiwixmobile.core.utils.files.ScanningProgressListener
+import org.kiwix.kiwixmobile.core.zim_manager.ConnectivityBroadcastReceiver
 import org.kiwix.kiwixmobile.core.zim_manager.Language
+import org.kiwix.kiwixmobile.core.zim_manager.NetworkState
 import org.kiwix.kiwixmobile.core.zim_manager.fileselect_view.SelectionMode.MULTI
 import org.kiwix.kiwixmobile.core.zim_manager.fileselect_view.SelectionMode.NORMAL
 import org.kiwix.kiwixmobile.core.zim_manager.fileselect_view.adapter.BooksOnDiskListItem
 import org.kiwix.kiwixmobile.core.zim_manager.fileselect_view.adapter.BooksOnDiskListItem.BookOnDisk
 import org.kiwix.kiwixmobile.zimManager.Fat32Checker.FileSystemState
-import org.kiwix.kiwixmobile.zimManager.NetworkState.CONNECTED
+import org.kiwix.kiwixmobile.core.zim_manager.NetworkState.CONNECTED
 import org.kiwix.kiwixmobile.zimManager.ZimManageViewModel.FileSelectActions.MultiModeFinished
 import org.kiwix.kiwixmobile.zimManager.ZimManageViewModel.FileSelectActions.RequestDeleteMultiSelection
 import org.kiwix.kiwixmobile.zimManager.ZimManageViewModel.FileSelectActions.RequestMultiSelection

app/src/test/java/org/kiwix/kiwixmobile/zimManager/ZimManageViewModelTest.kt

@@ -48,7 +48,9 @@ import org.kiwix.kiwixmobile.core.entity.LibraryNetworkEntity.Book
 import org.kiwix.kiwixmobile.core.utils.BookUtils
 import org.kiwix.kiwixmobile.core.utils.SharedPreferenceUtil
 import org.kiwix.kiwixmobile.core.utils.files.ScanningProgressListener
+import org.kiwix.kiwixmobile.core.zim_manager.ConnectivityBroadcastReceiver
 import org.kiwix.kiwixmobile.core.zim_manager.Language
+import org.kiwix.kiwixmobile.core.zim_manager.NetworkState
 import org.kiwix.kiwixmobile.core.zim_manager.fileselect_view.SelectionMode.MULTI
 import org.kiwix.kiwixmobile.core.zim_manager.fileselect_view.SelectionMode.NORMAL
 import org.kiwix.kiwixmobile.core.zim_manager.fileselect_view.adapter.BooksOnDiskListItem
@@ -56,8 +58,8 @@ import org.kiwix.kiwixmobile.core.zim_manager.fileselect_view.adapter.BooksOnDis
 import org.kiwix.kiwixmobile.zimManager.Fat32Checker.FileSystemState
 import org.kiwix.kiwixmobile.zimManager.Fat32Checker.FileSystemState.CanWrite4GbFile
 import org.kiwix.kiwixmobile.zimManager.Fat32Checker.FileSystemState.CannotWrite4GbFile
-import org.kiwix.kiwixmobile.zimManager.NetworkState.CONNECTED
+import org.kiwix.kiwixmobile.core.zim_manager.NetworkState.CONNECTED
-import org.kiwix.kiwixmobile.zimManager.NetworkState.NOT_CONNECTED
+import org.kiwix.kiwixmobile.core.zim_manager.NetworkState.NOT_CONNECTED
 import org.kiwix.kiwixmobile.zimManager.ZimManageViewModel.FileSelectActions.MultiModeFinished
 import org.kiwix.kiwixmobile.zimManager.ZimManageViewModel.FileSelectActions.RequestDeleteMultiSelection
 import org.kiwix.kiwixmobile.zimManager.ZimManageViewModel.FileSelectActions.RequestMultiSelection

core/detekt_baseline.xml

@@ -51,6 +51,8 @@
     <ID>PackageNaming:MountPointProducer.kt$package org.kiwix.kiwixmobile.core.zim_manager</ID>
     <ID>PackageNaming:SelectionMode.kt$package org.kiwix.kiwixmobile.core.zim_manager.fileselect_view</ID>
     <ID>PackageNaming:TagsView.kt$package org.kiwix.kiwixmobile.core.zim_manager</ID>
+    <ID>PackageNaming:ConnectivityBroadcastReceiver.kt$package org.kiwix.kiwixmobile.core.zim_manager</ID>
+    <ID>PackageNaming:NetworkState.kt$package org.kiwix.kiwixmobile.core.zim_manager</ID>
     <ID>ReturnCount:FileUtils.kt$FileUtils$@JvmStatic fun getAllZimParts(book: Book): List&lt;File></ID>
     <ID>ReturnCount:FileUtils.kt$FileUtils$@JvmStatic fun getLocalFilePathByUri( context: Context, uri: Uri ): String?</ID>
     <ID>ReturnCount:FileUtils.kt$FileUtils$@JvmStatic fun hasPart(file: File): Boolean</ID>

core/src/main/java/org/kiwix/kiwixmobile/core/ConnectivityManagerExtensions.kt

@@ -16,13 +16,13 @@
  *
  */
 
-package org.kiwix.kiwixmobile
+package org.kiwix.kiwixmobile.core
 
 import android.net.ConnectivityManager
 import org.kiwix.kiwixmobile.core.compat.CompatHelper.Companion.isNetworkAvailable
-import org.kiwix.kiwixmobile.zimManager.NetworkState
+import org.kiwix.kiwixmobile.core.zim_manager.NetworkState
-import org.kiwix.kiwixmobile.zimManager.NetworkState.CONNECTED
+import org.kiwix.kiwixmobile.core.zim_manager.NetworkState.CONNECTED
-import org.kiwix.kiwixmobile.zimManager.NetworkState.NOT_CONNECTED
+import org.kiwix.kiwixmobile.core.zim_manager.NetworkState.NOT_CONNECTED
 
 val ConnectivityManager.networkState: NetworkState
   get() = if (isNetworkAvailable())

core/src/main/java/org/kiwix/kiwixmobile/core/downloader/downloadManager/DownloadManagerMonitor.kt

@@ -18,6 +18,7 @@
 
 package org.kiwix.kiwixmobile.core.downloader.downloadManager
 
+import android.annotation.SuppressLint
 import android.app.DownloadManager
 import android.content.Context
 import android.content.Intent
@@ -25,33 +26,50 @@ import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
 import org.kiwix.kiwixmobile.core.dao.DownloadRoomDao
-import org.kiwix.kiwixmobile.core.dao.entities.DownloadRoomEntity
 import org.kiwix.kiwixmobile.core.downloader.DownloadMonitor
 import org.kiwix.kiwixmobile.core.downloader.downloadManager.DownloadNotificationManager.Companion.ACTION_CANCEL
 import org.kiwix.kiwixmobile.core.downloader.downloadManager.DownloadNotificationManager.Companion.ACTION_PAUSE
 import org.kiwix.kiwixmobile.core.downloader.downloadManager.DownloadNotificationManager.Companion.ACTION_QUERY_DOWNLOAD_STATUS
 import org.kiwix.kiwixmobile.core.downloader.downloadManager.DownloadNotificationManager.Companion.ACTION_RESUME
+import org.kiwix.kiwixmobile.core.extensions.registerReceiver
+import org.kiwix.kiwixmobile.core.zim_manager.ConnectivityBroadcastReceiver
 import javax.inject.Inject
 
 class DownloadManagerMonitor @Inject constructor(
   val downloadRoomDao: DownloadRoomDao,
-  private val context: Context
+  private val context: Context,
+  private val connectivityBroadcastReceiver: ConnectivityBroadcastReceiver
 ) : DownloadMonitor, DownloadManagerBroadcastReceiver.Callback {
   private val lock = Any()
 
   init {
+    context.registerReceiver(connectivityBroadcastReceiver)
+    startServiceIfActiveDownloads()
+    trackNetworkState()
+  }
+
+  @SuppressLint("CheckResult")
+  private fun trackNetworkState() {
+    connectivityBroadcastReceiver.networkStates
+      .distinctUntilChanged()
+      .subscribe(
+        {
+          // Start the service when the network changes so that we can
+          // track the progress accurately.
+          startServiceIfActiveDownloads()
+        },
+        Throwable::printStackTrace
+      )
+  }
+
+  private fun startServiceIfActiveDownloads() {
     CoroutineScope(Dispatchers.IO).launch {
-      if (getActiveDownloads().isNotEmpty()) {
+      if (downloadRoomDao.downloads().blockingFirst().isNotEmpty()) {
         startService()
       }
     }
   }
 
-  private suspend fun getActiveDownloads(): List<DownloadRoomEntity> =
-    downloadRoomDao.downloadRoomEntity().blockingFirst().filter {
-      it.status != Status.PAUSED && it.status != Status.CANCELLED
-    }
-
   override fun downloadCompleteOrCancelled(intent: Intent) {
     synchronized(lock) {
       intent.extras?.let {

core/src/main/java/org/kiwix/kiwixmobile/core/zim_manager/ConnectivityBroadcastReceiver.kt

@@ -16,7 +16,7 @@
  *
  */
 
-package org.kiwix.kiwixmobile.zimManager
+package org.kiwix.kiwixmobile.core.zim_manager
 
 import android.content.Context
 import android.content.Intent
@@ -24,7 +24,7 @@ import android.net.ConnectivityManager
 import io.reactivex.Flowable
 import io.reactivex.processors.BehaviorProcessor
 import org.kiwix.kiwixmobile.core.base.BaseBroadcastReceiver
-import org.kiwix.kiwixmobile.networkState
+import org.kiwix.kiwixmobile.core.networkState
 import javax.inject.Inject
 
 class ConnectivityBroadcastReceiver @Inject constructor(

core/src/main/java/org/kiwix/kiwixmobile/core/zim_manager/NetworkState.kt

@@ -16,7 +16,7 @@
  *
  */
 
-package org.kiwix.kiwixmobile.zimManager
+package org.kiwix.kiwixmobile.core.zim_manager
 
 enum class NetworkState {
   CONNECTED,