Download video function optmization

app/src/main/java/com/areeb/whatsappstatussaver/ui/DetailScreen/fragments/DetailFragment.kt

@@ -3,9 +3,11 @@ package com.areeb.whatsappstatussaver.ui.DetailScreen.fragments
 import android.graphics.drawable.BitmapDrawable
 import android.net.Uri
 import android.os.Bundle
+import android.os.Environment
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
+import android.widget.Toast
 import androidx.fragment.app.viewModels
 import androidx.lifecycle.lifecycleScope
 import com.areeb.whatsappstatussaver.databinding.FragmentDetailBinding
@@ -15,7 +17,14 @@ import com.areeb.whatsappstatussaver.utils.constants.Constants.TARGET_DIRECTORY.
 import com.areeb.whatsappstatussaver.utils.constants.Constants.TARGET_DIRECTORY.SHARING.Companion.SCREEN
 import com.bumptech.glide.Glide
 import dagger.hilt.android.AndroidEntryPoint
+import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
+import kotlinx.coroutines.withContext
+import java.io.File
+import java.io.FileOutputStream
+import java.io.IOException
+import java.io.InputStream
+import java.io.OutputStream
 
 @AndroidEntryPoint
 class DetailFragment : BaseFragments(), View.OnClickListener {
@@ -80,14 +89,18 @@ class DetailFragment : BaseFragments(), View.OnClickListener {
                     if (arguments?.getInt(SCREEN) == 1) {
                         downloadImage()
                     } else {
-                        showToast("coming soon")
+                        downloadVideo(
+                            Uri.parse(
+                                arguments?.getString(FRAGMENT_IMAGE_URI).toString(),
+                            ),
+                        )
                     }
                 }
             }
         }
     }
 
-    private suspend fun downloadImage() {
+    private fun downloadImage() {
         val drawable = binding.detailImage.drawable as? BitmapDrawable
         val bitmap = drawable?.bitmap
 
@@ -96,6 +109,50 @@ class DetailFragment : BaseFragments(), View.OnClickListener {
         }
     }
 
+    private fun downloadVideo(videoUri: Uri) {
+        lifecycleScope.launch(Dispatchers.IO) {
+            val inputStream: InputStream? =
+                requireActivity().contentResolver.openInputStream(videoUri)
+            val filename = "my_video.mp4" // Specify the desired filename with the correct extension
+            val outputFile =
+                File(requireActivity().getExternalFilesDir(Environment.DIRECTORY_MOVIES), filename)
+
+            try {
+                val outputStream: OutputStream = FileOutputStream(outputFile)
+
+                inputStream?.let {
+                    val buffer = ByteArray(4096)
+                    var bytesRead: Int
+                    while (inputStream.read(buffer).also { bytesRead = it } != -1) {
+                        outputStream.write(buffer, 0, bytesRead)
+                    }
+                    outputStream.flush()
+
+                    // Download successful, show a Toast message
+                    withContext(Dispatchers.Main) {
+                        Toast.makeText(
+                            requireContext(),
+                            "Video downloaded successfully!",
+                            Toast.LENGTH_SHORT,
+                        ).show()
+                    }
+                }
+            } catch (e: IOException) {
+                e.printStackTrace()
+                // Show a Toast message for any download errors
+                withContext(Dispatchers.Main) {
+                    Toast.makeText(
+                        requireContext(),
+                        "Failed to download video.",
+                        Toast.LENGTH_SHORT,
+                    ).show()
+                }
+            } finally {
+                inputStream?.close()
+            }
+        }
+    }
+
     override fun onDestroy() {
         super.onDestroy()
         binding.videoView.setOnPreparedListener {