add remembering me

app/src/main/java/eu/m724/vastapp/activity/login/LoginActivity.kt

@@ -63,7 +63,6 @@ import androidx.compose.ui.unit.dp
 import androidx.lifecycle.lifecycleScope
 import eu.m724.vastapp.BuildConfig
 import eu.m724.vastapp.R
-import eu.m724.vastapp.activity.PermissionChecker
 import eu.m724.vastapp.activity.dashboard.DashboardActivity
 import eu.m724.vastapp.ui.theme.VastappTheme
 import eu.m724.vastapp.vastai.data.User
@@ -84,7 +83,7 @@ class LoginActivity : ComponentActivity() {
 
         val executor = Executors.newSingleThreadExecutor()
         val cronetEngine = CronetEngine.Builder(baseContext).build()
-        val loginViewModel = LoginViewModel(cronetEngine, executor)
+        val loginViewModel = LoginViewModel(application, cronetEngine, executor)
 
         loginViewModel.error.observe(this) { errorMessage ->
             if (errorMessage != null) {
@@ -100,6 +99,8 @@ class LoginActivity : ComponentActivity() {
             }
         }
 
+        loginViewModel.loadKey()
+
         enableEdgeToEdge()
         setContent {
             VastappTheme {

app/src/main/java/eu/m724/vastapp/activity/login/LoginViewModel.kt

@@ -1,23 +1,24 @@
 package eu.m724.vastapp.activity.login
 
-import android.widget.Toast
+import android.app.Application
+import android.content.Context
+import androidx.lifecycle.AndroidViewModel
 import androidx.lifecycle.LiveData
 import androidx.lifecycle.MutableLiveData
-import androidx.lifecycle.ViewModel
-import androidx.lifecycle.viewModelScope
-import eu.m724.vastapp.vastai.ApiFailure
 import eu.m724.vastapp.vastai.ApiRoute
 import eu.m724.vastapp.vastai.VastApi
 import eu.m724.vastapp.vastai.api.UserUrlRequestCallback
-import eu.m724.vastapp.vastai.data.User
 import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.StateFlow
 import kotlinx.coroutines.flow.asStateFlow
-import kotlinx.coroutines.launch
 import org.chromium.net.CronetEngine
 import java.util.concurrent.Executor
 
-class LoginViewModel(val cronetEngine: CronetEngine, val executor: Executor) : ViewModel() {
+class LoginViewModel(
+    application: Application,
+    val cronetEngine: CronetEngine,
+    val executor: Executor
+) : AndroidViewModel(application) {
     private val _uiState: MutableStateFlow<LoginUiState> =
         MutableStateFlow(LoginUiState.Idle)
     val uiState: StateFlow<LoginUiState> =
@@ -26,11 +27,26 @@ class LoginViewModel(val cronetEngine: CronetEngine, val executor: Executor) : V
     private val _error = MutableLiveData<String?>(null)
     val error: LiveData<String?> = _error // TODO put this in uistate
 
+    private val applicationContext = getApplication<Application>().applicationContext
+    private val sharedPreferences = applicationContext.getSharedPreferences("login", Context.MODE_PRIVATE)
+
+    fun loadKey() {
+        val apiKey = sharedPreferences.getString("apiKey", null)
+
+        if (apiKey != null) {
+            tryLogin(apiKey)
+        }
+    }
+
     fun tryLogin(apiKey: String) {
         val vastApi = VastApi(apiKey, cronetEngine, executor)
         val request = vastApi.buildRequest(
             ApiRoute.SHOW_USER,
             UserUrlRequestCallback({ user ->
+                with (sharedPreferences.edit()) {
+                    putString("apiKey", apiKey) // TODO encrypt
+                    apply()
+                } // TODO toggle for this
                 _uiState.value = LoginUiState.Success(user)
             }, { apiFailure ->
                 _uiState.value = LoginUiState.Idle