Initial attempt to request WRITE_EXTERNAL_STORAGE permission

3 files changed, 52 insertions, 0 deletions

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 d942de2..c6a4b2e 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
@@ -1,8 +1,12 @@
 package mx.trackermap.TrackerMap.android.details
 
+import android.Manifest
+import android.content.pm.PackageManager
 import android.os.Bundle
 import android.util.Log
+import androidx.activity.result.contract.ActivityResultContracts
 import androidx.appcompat.app.AppCompatActivity
+import androidx.core.app.ActivityCompat
 import com.google.android.material.tabs.TabLayout
 import com.google.android.material.tabs.TabLayoutMediator
 import mx.trackermap.TrackerMap.android.R
@@ -75,5 +79,33 @@ class DetailsActivity : AppCompatActivity() {
             override fun onTabUnselected(tab: TabLayout.Tab?) {}
             override fun onTabReselected(tab: TabLayout.Tab?) {}
         })
+
+        requestPermission(Manifest.permission.WRITE_EXTERNAL_STORAGE)
+    }
+
+    private fun requestPermission (permission: String) {
+        val launcher = registerForActivityResult(
+            ActivityResultContracts.RequestPermission()
+        ) { isGranted: Boolean ->
+            if (isGranted) {
+                Log.d("DetailsActivity", "$permission = PackageManager.PERMISSION_GRANTED")
+            } else {
+                Log.d("UnitReportsFragment", "$permission = PackageManager.PERMISSION_DENIED")
+            }
+        }
+
+        when {
+            ActivityCompat.checkSelfPermission(this, permission)
+                    == PackageManager.PERMISSION_GRANTED -> {
+                Log.d("DetailsActivity", "$permission = PackageManager.PERMISSION_GRANTED")
+            }
+            ActivityCompat.shouldShowRequestPermissionRationale(this, permission) -> {
+                Log.d("DetailsActivity", "shouldShowRequestPermissionRationale")
+            }
+            else -> {
+                Log.d("DetailsActivity", "Requesting $permission permission")
+                launcher.launch(permission)
+            }
+        }
     }
 }
\ No newline at end of file
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 2cb2d9a..2c8e1c6 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
@@ -1,5 +1,7 @@
 package mx.trackermap.TrackerMap.android.details.reports
 
+import android.Manifest
+import android.content.pm.PackageManager
 import android.os.Bundle
 import android.util.Log
 import android.view.LayoutInflater
@@ -8,6 +10,7 @@ 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
@@ -121,6 +124,10 @@ class UnitReportsFragment : Fragment() {
             )
         }
 
+        unitReportsViewModel.reportFile.observe(viewLifecycleOwner) { file ->
+            downloadFile(file, "report.xlsx")
+        }
+
         unitReportsViewModel.geofences.observe(viewLifecycleOwner) { geofences ->
             Log.d("UnitReportsFragment", "Success $geofences")
             reportsMapFragment.displayGeofences(geofences.values.toTypedArray())
@@ -256,4 +263,12 @@ 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")
+        }
+    }
 }
\ No newline at end of file
diff --git a/androidApp/src/main/java/mx/trackermap/TrackerMap/android/details/reports/UnitReportsViewModel.kt b/androidApp/src/main/java/mx/trackermap/TrackerMap/android/details/reports/UnitReportsViewModel.kt
index 8db7cda..fe13ba0 100644
--- a/androidApp/src/main/java/mx/trackermap/TrackerMap/android/details/reports/UnitReportsViewModel.kt
+++ b/androidApp/src/main/java/mx/trackermap/TrackerMap/android/details/reports/UnitReportsViewModel.kt
@@ -42,12 +42,14 @@ class UnitReportsViewModel(
     private val _reportPeriod: MutableLiveData<ReportPeriod> =
         savedStateHandle.getLiveData("reportPeriod", null)
     private val _report: MutableLiveData<Report> = MutableLiveData()
+    private val _reportFile: MutableLiveData<ByteArray> = MutableLiveData()
     private val _geofences: MutableLiveData<Map<Int, Geofence>> = MutableLiveData()
 
     val deviceId: LiveData<Int> get() = _deviceId
     val reportType: LiveData<ReportType> get() = _reportType
     val reportPeriod: LiveData<ReportPeriod> get() = _reportPeriod
     val report: LiveData<Report> get() = _report
+    val reportFile: LiveData<ByteArray> get() = _reportFile
     val geofences: LiveData<Map<Int, Geofence>> get() = _geofences
 
     private val dateFormat = SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss'Z'", Locale.getDefault())
@@ -157,6 +159,7 @@ class UnitReportsViewModel(
                 _deviceId.value!!
             )
             Log.d("UnitReportsVM", "Positions report: $result")
+            _reportFile.postValue(result)
         }
 
     }
@@ -195,6 +198,7 @@ class UnitReportsViewModel(
                 _deviceId.value!!
             )
             Log.d("UnitReportsVM", "Events report: $result")
+            _reportFile.postValue(result)
         }
     }
 
@@ -216,6 +220,7 @@ class UnitReportsViewModel(
                 _deviceId.value!!
             )
             Log.d("UnitReportsVM", "Stops report: $result")
+            _reportFile.postValue(result)
         }
 
     }