From 638e3bc6aec499caaf0308c36cace663dc4de3ac Mon Sep 17 00:00:00 2001
From: Iván Ávalos <avalos@disroot.org>
Date: Fri, 14 Jan 2022 00:38:49 -0600
Subject: Save downloaded XLSX to downloads folder

---
 .../TrackerMap/android/details/DetailsActivity.kt  | 14 ++++----------
 .../android/details/reports/UnitReportsFragment.kt | 22 +++++++++++++++-------
 2 files changed, 19 insertions(+), 17 deletions(-)

(limited to 'androidApp/src/main/java/mx/trackermap/TrackerMap/android/details')

diff --git a/androidApp/src/main/java/mx/trackermap/TrackerMap/android/details/DetailsActivity.kt b/androidApp/src/main/java/mx/trackermap/TrackerMap/android/details/DetailsActivity.kt
index c6a4b2e..2c20c70 100644
--- a/androidApp/src/main/java/mx/trackermap/TrackerMap/android/details/DetailsActivity.kt
+++ b/androidApp/src/main/java/mx/trackermap/TrackerMap/android/details/DetailsActivity.kt
@@ -80,19 +80,13 @@ class DetailsActivity : AppCompatActivity() {
             override fun onTabReselected(tab: TabLayout.Tab?) {}
         })
 
-        requestPermission(Manifest.permission.WRITE_EXTERNAL_STORAGE)
+        requestPermission {}
     }
 
-    private fun requestPermission (permission: String) {
+    private fun requestPermission (callback: (Boolean) -> Unit) {
+        val permission = Manifest.permission.WRITE_EXTERNAL_STORAGE
         val launcher = registerForActivityResult(
-            ActivityResultContracts.RequestPermission()
-        ) { isGranted: Boolean ->
-            if (isGranted) {
-                Log.d("DetailsActivity", "$permission = PackageManager.PERMISSION_GRANTED")
-            } else {
-                Log.d("UnitReportsFragment", "$permission = PackageManager.PERMISSION_DENIED")
-            }
-        }
+            ActivityResultContracts.RequestPermission(), callback)
 
         when {
             ActivityCompat.checkSelfPermission(this, permission)
diff --git a/androidApp/src/main/java/mx/trackermap/TrackerMap/android/details/reports/UnitReportsFragment.kt b/androidApp/src/main/java/mx/trackermap/TrackerMap/android/details/reports/UnitReportsFragment.kt
index 2c8e1c6..ed4af2e 100644
--- a/androidApp/src/main/java/mx/trackermap/TrackerMap/android/details/reports/UnitReportsFragment.kt
+++ b/androidApp/src/main/java/mx/trackermap/TrackerMap/android/details/reports/UnitReportsFragment.kt
@@ -1,8 +1,7 @@
 package mx.trackermap.TrackerMap.android.details.reports
 
-import android.Manifest
-import android.content.pm.PackageManager
 import android.os.Bundle
+import android.os.Environment
 import android.util.Log
 import android.view.LayoutInflater
 import android.view.View
@@ -10,7 +9,6 @@ import android.view.ViewGroup
 import android.widget.PopupMenu
 import android.widget.TableRow
 import android.widget.TextView
-import androidx.core.app.ActivityCompat
 import androidx.core.view.setMargins
 import androidx.fragment.app.Fragment
 import androidx.fragment.app.commit
@@ -25,6 +23,9 @@ import mx.trackermap.TrackerMap.client.models.Position
 import mx.trackermap.TrackerMap.client.models.Stop
 import mx.trackermap.TrackerMap.utils.Formatter
 import org.koin.androidx.viewmodel.ext.android.viewModel
+import java.io.File
+import java.io.FileOutputStream
+import java.lang.Exception
 import kotlin.math.max
 
 @DelicateCoroutinesApi
@@ -265,10 +266,17 @@ class UnitReportsFragment : Fragment() {
     }
 
     private fun downloadFile(file: ByteArray, filename: String) {
-        val permission = Manifest.permission.WRITE_EXTERNAL_STORAGE
-        if (ActivityCompat.checkSelfPermission(activity!!, permission)
-            == PackageManager.PERMISSION_GRANTED) {
-            Log.d("UnitReportsFragment", "Downloading file $filename: $file")
+        Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOWNLOADS).let { filesDir ->
+            Log.d("UnitReportsFragment", "Downloading file $filename into ${filesDir.absolutePath}")
+            try {
+                val outputFile = File(filesDir, filename)
+                val outputStream = FileOutputStream(outputFile)
+                outputStream.write(file)
+                outputStream.flush()
+                outputStream.close()
+            } catch (e: Exception) {
+                e.printStackTrace()
+            }
         }
     }
 }
\ No newline at end of file
-- 
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