Add DSBDownloader

Add update DSBActivity MainContent

app/src/main/java/com/schoolapp/cleverclass/DSBActivity.kt

@@ -1,12 +1,18 @@
 package com.schoolapp.cleverclass
 
+import android.graphics.BitmapFactory
 import android.os.Bundle
 import androidx.activity.ComponentActivity
 import androidx.activity.compose.setContent
+import androidx.compose.foundation.Image
 import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Spacer
 import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.height
 import androidx.compose.foundation.layout.size
+import androidx.compose.foundation.rememberScrollState
+import androidx.compose.foundation.verticalScroll
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.filled.ArrowBack
 import androidx.compose.material3.ExperimentalMaterial3Api
@@ -19,12 +25,24 @@ import androidx.compose.material3.TopAppBar
 import androidx.compose.material3.TopAppBarDefaults
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.asImageBitmap
 import androidx.compose.ui.unit.dp
 import com.schoolapp.cleverclass.ui.theme.CleverClassTheme
+import kotlinx.coroutines.DelicateCoroutinesApi
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.GlobalScope
+import kotlinx.coroutines.launch
+import java.io.File
 
 class DSBActivity : ComponentActivity() {
+    @OptIn(DelicateCoroutinesApi::class)
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
+
+        GlobalScope.launch(Dispatchers.IO) {
+            downloadDSB(this@DSBActivity)
+        }
+
         setContent {
             CleverClassTheme {
                 Surface(
@@ -42,7 +60,7 @@ class DSBActivity : ComponentActivity() {
 @OptIn(ExperimentalMaterial3Api::class)
 @Composable
 fun DSBContent(activity: ComponentActivity){
-    Column() {
+    Column {
         TopAppBar(
             colors = TopAppBarDefaults.centerAlignedTopAppBarColors(MaterialTheme.colorScheme.primaryContainer),
             title = {
@@ -63,8 +81,27 @@ fun DSBContent(activity: ComponentActivity){
             modifier = Modifier.fillMaxWidth()
         )
 
-        Column() {
+        Column(modifier = Modifier.verticalScroll(rememberScrollState())) {
+            val mainFolder = File(activity.filesDir, "dataDSB")
 
+            mainFolder.listFiles()?.forEach { folder ->
+                DayPrefab(folder = folder)
+                Spacer(modifier = Modifier.height(48.dp))
+            }
         }
     }
-}
+}
+
+@Composable
+fun DayPrefab(folder: File){
+    val imageFiles = folder.listFiles { file -> file.extension == "jpg" }?.toList()
+
+    Column {
+        imageFiles?.forEach {
+            val imageBitmap = BitmapFactory.decodeFile(it.absolutePath)
+
+            Image(bitmap = imageBitmap.asImageBitmap(), contentDescription = null)
+            Spacer(modifier = Modifier.height(8.dp))
+        }
+    }
+}