wip: reading file from either local or web

need-to: parse a file - we may need to decide on a format?

app/src/main/AndroidManifest.xml

@@ -2,6 +2,8 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools">
 
+    <uses-permission android:name="android.permission.INTERNET" />
+
     <application
         android:name=".MemoApplication"
         android:allowBackup="true"

app/src/main/java/fr/uparis/diamantkennel/memorisationapplication/HomeScreen.kt

@@ -49,6 +49,9 @@ import fr.uparis.diamantkennel.memorisationapplication.ui.ActionHome
 import fr.uparis.diamantkennel.memorisationapplication.ui.ActionImport
 import fr.uparis.diamantkennel.memorisationapplication.ui.ErrorsAjout
 import fr.uparis.diamantkennel.memorisationapplication.ui.HomeViewModel
+import kotlinx.coroutines.DelicateCoroutinesApi
+import kotlinx.coroutines.GlobalScope
+import kotlinx.coroutines.launch
 
 
 @Composable
@@ -210,7 +213,7 @@ fun CreationDialog(
     )
 }
 
-@OptIn(ExperimentalMaterial3Api::class)
+@OptIn(ExperimentalMaterial3Api::class, DelicateCoroutinesApi::class)
 @Composable
 fun ImportDialog(
     dismiss: () -> Unit,
@@ -289,7 +292,7 @@ fun ImportDialog(
         confirmButton = {
             Button(
                 // TODO : on charge le jeu de question dans le sujet
-                onClick = { model.import(lien) },
+                onClick = { GlobalScope.launch { model.import(lien) } },
                 content = { Text("Importer") }
             )
         },

app/src/main/java/fr/uparis/diamantkennel/memorisationapplication/ui/HomeViewModel.kt

@@ -8,7 +8,14 @@ import androidx.lifecycle.viewModelScope
 import fr.uparis.diamantkennel.memorisationapplication.MemoApplication
 import fr.uparis.diamantkennel.memorisationapplication.data.SetQuestions
 import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.flow.flow
+import kotlinx.coroutines.flow.flowOn
 import kotlinx.coroutines.launch
+import java.io.BufferedReader
+import java.io.File
+import java.io.InputStreamReader
+import java.net.HttpURLConnection
+import java.net.URL
 
 class HomeViewModel(application: Application) : AndroidViewModel(application) {
     private val dao = (application as MemoApplication).database.memoDao()
@@ -129,7 +136,39 @@ class HomeViewModel(application: Application) : AndroidViewModel(application) {
         error.value = null
     }
 
-    fun import(path: String) {
+    suspend fun import(path: String) {
+        val data =
+            flow {
+                if (path.startsWith("content://")) {
+                    // Local file
+                    val bufferedReader: BufferedReader = File(path).bufferedReader()
+
+                    emit(bufferedReader.use { it.readText() })
+                } else {
+                    // File from internet
+                    val url = URL(path)
+                    val connection = url.openConnection() as HttpURLConnection
+                    connection.requestMethod = "GET"
+
+                    val inputStream = connection.inputStream
+                    val reader = BufferedReader(InputStreamReader(inputStream))
+
+                    var content = ""
+                    var line: String? = reader.readLine()
+                    while (line != null) {
+                        content += line
+                        line = reader.readLine()
+                    }
+
+                    connection.disconnect()
+
+                    emit(content)
+                }
+            }.flowOn(Dispatchers.IO)
+
         dismissImportation()
+
+        // `data`
+        // Correspond au contenu du fichier qu'il faut ajouter à la bdd
     }
 }