make it translatable

and add a notice that you can't rent

app/build.gradle.kts

@@ -62,7 +62,6 @@ android {
 
 
 dependencies {
-
     implementation(libs.androidx.core.ktx)
     implementation(libs.androidx.appcompat)
     implementation(libs.material)

app/src/main/java/eu/m724/vastapp/activity/dashboard/DashboardViewModel.kt

@@ -115,10 +115,10 @@ class DashboardViewModel(
 
     fun toggleInstance(instance: RentedInstance) {
         val deferred =
-            if (instance.status == "running") {
+            if (instance.isRunning()) {
-                vastApi.startInstance(instance.rentalId)
-            } else {
                 vastApi.stopInstance(instance.rentalId)
+            } else {
+                vastApi.startInstance(instance.rentalId)
             }
 
         viewModelScope.launch {
@@ -144,5 +144,4 @@ class DashboardViewModel(
         }
     } // TODO once again these methods share some code and more probably will so why not move the shared stuff
     // OR not refresh but refresh only instances or even better don't refresh instances but delete or edit that one
-
 }

app/src/main/java/eu/m724/vastapp/activity/dashboard/screen/Dashboard.kt

@@ -72,34 +72,21 @@ fun DashboardScreen(dashboardViewModel: DashboardViewModel) {
                 horizontalArrangement = Arrangement.Center
             ) {
                 // balance card
-                Card(
+                BalanceCard(balance = user.credit, balanceWarning = user.balanceThreshold)
-                    modifier = Modifier
+
-                        .padding(16.dp),
+                // time card
-                    colors = CardDefaults.cardColors(
+                if (rentedInstances.isNotEmpty())
-                        containerColor = balanceCardColor(user.credit)
+                    RemainingTimeCard(remainingTime = remainingTime)
-                    )
+
-                ) {
+                // instances
-                    Row(
+                InstancesCard(rentedInstancesCount = rentedInstances.size)
-                        modifier = Modifier.padding(16.dp, 8.dp),
+            }
-                        verticalAlignment = Alignment.CenterVertically
+        }
-                    ) {
-                        Icon(
-                            modifier = Modifier.size(24.dp),
-                            painter = painterResource(id = R.drawable.baseline_monetization_on_24),
-                            contentDescription = stringResource(id = R.string.balance)
-                        )
-                        Spacer(
-                            modifier = Modifier.width(12.dp)
-                        )
-                        Text(
-                            text = "$%.2f".format(user.credit),
-                            fontSize = 22.sp,
-                            color = balanceColor(user.credit, user.balanceThreshold)
-                        )
     }
 }
 
-                // time card
+@Composable
+fun RemainingTimeCard(remainingTime: Int) {
     Card(
         modifier = Modifier
             .padding(16.dp)
@@ -122,8 +109,40 @@ fun DashboardScreen(dashboardViewModel: DashboardViewModel) {
             )
         }
     }
+}
 
-                // instances
+@Composable
+fun BalanceCard(balance: Double, balanceWarning: Double) {
+    Card(
+        modifier = Modifier
+            .padding(16.dp),
+        colors = CardDefaults.cardColors(
+            containerColor = balanceCardColor(balance)
+        )
+    ) {
+        Row(
+            modifier = Modifier.padding(16.dp, 8.dp),
+            verticalAlignment = Alignment.CenterVertically
+        ) {
+            Icon(
+                modifier = Modifier.size(24.dp),
+                painter = painterResource(id = R.drawable.baseline_monetization_on_24),
+                contentDescription = stringResource(id = R.string.balance)
+            )
+            Spacer(
+                modifier = Modifier.width(12.dp)
+            )
+            Text(
+                text = "$%.2f".format(balance),
+                fontSize = 22.sp,
+                color = balanceColor(balance, balanceWarning)
+            )
+        }
+    }
+}
+
+@Composable
+fun InstancesCard(rentedInstancesCount: Int) {
     Card(
         modifier = Modifier
             .padding(16.dp)
@@ -141,15 +160,12 @@ fun DashboardScreen(dashboardViewModel: DashboardViewModel) {
                 modifier = Modifier.width(12.dp)
             )
             Text(
-                            text = rentedInstances.size.toString(),
+                text = rentedInstancesCount.toString(),
                 fontSize = 22.sp
             )
         }
     }
 }
-        }
-    }
-}
 
 @Composable
 fun balanceCardColor(balance: Double): Color {

app/src/main/java/eu/m724/vastapp/activity/dashboard/screen/Instances.kt

@@ -2,13 +2,14 @@ package eu.m724.vastapp.activity.dashboard.screen
 
 import androidx.activity.ComponentActivity
 import androidx.compose.foundation.layout.Arrangement
-import androidx.compose.foundation.layout.Box
 import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.ContextualFlowRow
 import androidx.compose.foundation.layout.ExperimentalLayoutApi
+import androidx.compose.foundation.layout.IntrinsicSize
 import androidx.compose.foundation.layout.PaddingValues
 import androidx.compose.foundation.layout.Row
 import androidx.compose.foundation.layout.Spacer
+import androidx.compose.foundation.layout.fillMaxHeight
 import androidx.compose.foundation.layout.fillMaxWidth
 import androidx.compose.foundation.layout.height
 import androidx.compose.foundation.layout.padding
@@ -18,14 +19,17 @@ import androidx.compose.foundation.rememberScrollState
 import androidx.compose.foundation.verticalScroll
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.automirrored.filled.KeyboardArrowRight
+import androidx.compose.material3.AlertDialog
 import androidx.compose.material3.Button
 import androidx.compose.material3.Card
 import androidx.compose.material3.Icon
 import androidx.compose.material3.Text
+import androidx.compose.material3.TextButton
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.collectAsState
 import androidx.compose.runtime.derivedStateOf
 import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.remember
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
@@ -75,15 +79,19 @@ fun InstancesScreen(dashboardViewModel: DashboardViewModel) {
             )
         }
     } else {
-        Box(
+        Column(
             modifier = Modifier
                 .fillMaxWidth()
                 .height(100.dp),
-            contentAlignment = Alignment.Center
+            verticalArrangement = Arrangement.Bottom,
+            horizontalAlignment = Alignment.CenterHorizontally
         ) {
             Text(
                 text = stringResource(id = R.string.no_instances)
             )
+            Text(
+                text = stringResource(id = R.string.rent_on_website)
+            )
         }
     }
 }
@@ -99,13 +107,34 @@ fun RentedInstanceCard(
     deleteButtonClick: (RentedInstance) -> Unit,
 ) {
     val instance by remember(rentedInstance) { derivedStateOf { rentedInstance.instance } }
-    val label by remember(instance) { derivedStateOf {
+
-        rentedInstance.label ?: instance.machine.gpu.model
+    val dialogOpen = remember { mutableStateOf(false) }
-    } }
+
+    if (dialogOpen.value) {
+        InstanceDeleteDialog(
+            instance = rentedInstance,
+            onConfirm = {
+                dialogOpen.value = false
+                deleteButtonClick(rentedInstance)
+            },
+            onClose = { dialogOpen.value = false }
+        )
+    }
 
     Card(modifier = modifier) {
-        Row(modifier = Modifier.padding(8.dp)) {
+        Row(
-            Text(label, fontSize = 22.sp)
+            modifier = Modifier
+                .height(IntrinsicSize.Min)
+                .padding(8.dp)
+        ) {
+            Column(
+                modifier = Modifier.fillMaxHeight(),
+                verticalArrangement = Arrangement.SpaceEvenly // TODO I think the label is too low
+            ) {
+                Text(rentedInstance.getName(), fontSize = 22.sp)
+                Text(rentedInstance.status, fontSize = 14.sp)
+            }
+
             Spacer(modifier = Modifier.weight(1f))
 
             Column(
@@ -115,7 +144,7 @@ fun RentedInstanceCard(
                     Button(
                         modifier = Modifier.size(24.dp),
                         contentPadding = PaddingValues(0.dp),
-                        onClick = { deleteButtonClick(rentedInstance) },
+                        onClick = { dialogOpen.value = true },
                     ) {
                         Icon(
                             modifier = Modifier.size(16.dp),
@@ -130,9 +159,9 @@ fun RentedInstanceCard(
                         modifier = Modifier.size(24.dp),
                         contentPadding = PaddingValues(0.dp),
                         onClick = { actionButtonClick(rentedInstance) },
-                        enabled = rentedInstance.status == rentedInstance.targetStatus
+                        enabled = !rentedInstance.isChangingState()
                     ) {
-                        if (rentedInstance.status == "running") {
+                        if (rentedInstance.isRunning()) {
                             Icon(
                                 modifier = Modifier.size(16.dp),
                                 painter = painterResource(id = R.drawable.baseline_stop_24),
@@ -177,9 +206,52 @@ fun RentedInstanceCard(
                 Spacer(modifier = Modifier.height(6.dp))
                 Icon(
                     imageVector = Icons.AutoMirrored.Filled.KeyboardArrowRight,
-                    contentDescription = "Details about instance $label"
+                    contentDescription = "Details about instance ${rentedInstance.getName()}"
                 )
             }
         }
     }
 }
+
+
+
+@Composable
+fun InstanceDeleteDialog(
+    instance: RentedInstance,
+    onConfirm: () -> Unit,
+    onClose: () -> Unit,
+) {
+    AlertDialog(
+        onDismissRequest = { onClose() },
+        confirmButton = {
+            TextButton(
+                onClick = { onConfirm() }
+            ) {
+                Text("Confirm")
+            }
+        },
+        dismissButton = {
+            TextButton(
+                onClick = { onClose() }
+            ) {
+                Text("Dismiss")
+            }
+        },
+        title = {
+            Text(
+                text = stringResource(
+                    id = R.string.instance_confirm_delete
+                )
+            )
+        },
+        text = {
+            Text(
+                text = stringResource(
+                    id = R.string.instance_confirm_delete_text,
+                    instance.rentalId,
+                    instance.getName()
+                )
+            )
+        },
+    )
+}

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

@@ -60,8 +60,6 @@ import eu.m724.vastapp.activity.dashboard.DashboardActivity
 import eu.m724.vastapp.ui.theme.VastappTheme
 import eu.m724.vastapp.vastai.data.User
 import kotlinx.coroutines.launch
-import org.chromium.net.CronetEngine
-import java.util.concurrent.Executors
 
 class LoginActivity : ComponentActivity() {
     private lateinit var dashboardLauncher: ActivityResultLauncher<Intent>
@@ -73,21 +71,25 @@ class LoginActivity : ComponentActivity() {
             ActivityResultContracts.StartActivityForResult()
         ) { _ -> finish() } // TODO re-login here
 
-        val executor = Executors.newSingleThreadExecutor()
+        val loginViewModel = LoginViewModel(application)
-        val cronetEngine = CronetEngine.Builder(baseContext).build()
-        val loginViewModel = LoginViewModel(application, cronetEngine, executor)
 
+        // load api key if saved
+        loginViewModel.init()
+
+        // handle login errors
         loginViewModel.error.observe(this) { errorMessage ->
             if (errorMessage != null) {
                 Toast.makeText(baseContext, errorMessage, Toast.LENGTH_SHORT).show()
             }
         }
 
+        // handle loading error
         val loadingError = intent.getStringExtra("error")
         if (loadingError != null) {
             Toast.makeText(baseContext, loadingError, Toast.LENGTH_SHORT).show()
         }
 
+        // load app if it's time
         lifecycleScope.launch { // TODO I was suggested not to launch an activity from a lifecycle scope
             loginViewModel.uiState.collect { state ->
                 if (state is LoginUiState.Success) {

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

@@ -5,19 +5,17 @@ import androidx.lifecycle.AndroidViewModel
 import androidx.lifecycle.LiveData
 import androidx.lifecycle.MutableLiveData
 import androidx.lifecycle.viewModelScope
+import eu.m724.vastapp.BuildConfig
 import eu.m724.vastapp.VastApplication
+import eu.m724.vastapp.vastai.Account
 import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.StateFlow
 import kotlinx.coroutines.flow.asStateFlow
 import kotlinx.coroutines.flow.update
 import kotlinx.coroutines.launch
-import org.chromium.net.CronetEngine
-import java.util.concurrent.Executor
 
 class LoginViewModel(
-    application: Application,
+    application: Application
-    private val cronetEngine: CronetEngine,
-    private val executor: Executor
 ) : AndroidViewModel(application) {
     private val _uiState: MutableStateFlow<LoginUiState> =
         MutableStateFlow(LoginUiState.Idle)
@@ -32,13 +30,19 @@ class LoginViewModel(
 
     private val application = getApplication<VastApplication>()
 
+    fun init() {
+        _apiKey.value = application.loadKey() ?: BuildConfig.VASTAI_KEY
+    }
+
     fun tryLogin() {
+        application.vastApi.setApiKey(apiKey.value)
         val userDeferred = application.vastApi.getUser()
 
         viewModelScope.launch {
             try {
                 val user = userDeferred.await()
                 application.submitKey(apiKey.value) // TODO toggle for this
+                application.account = Account(user)
                 _uiState.update { LoginUiState.Success(user) }
             } catch (e: Exception) {
                 _uiState.update { LoginUiState.Idle }

app/src/main/java/eu/m724/vastapp/vastai/VastApi.kt

@@ -56,7 +56,7 @@ class VastApi(
         val deferred = CompletableDeferred<Unit>()
 
         val request = requestMaker.buildRequest(
-            "/instances/$rentalId",
+            "/instances/$rentalId/", // THIS NEEDS A / AT THE END
             JsonUrlRequestCallback(
                 onSuccess = {
                     if (it.getBoolean("success"))
@@ -77,7 +77,7 @@ class VastApi(
         val deferred = CompletableDeferred<Unit>()
 
         val request = requestMaker.buildRequest(
-            "/instances/$rentalId",
+            "/instances/$rentalId/", // THIS NEEDS A / AT THE END
             JsonUrlRequestCallback(
                 onSuccess = {
                     deferred.complete(Unit)
@@ -97,7 +97,7 @@ class VastApi(
         val deferred = CompletableDeferred<Unit>()
 
         val request = requestMaker.buildRequest(
-            "/instances/$rentalId",
+            "/instances/$rentalId/", // THIS NEEDS A / AT THE END
             JsonUrlRequestCallback(
                 onSuccess = {
                     deferred.complete(Unit)

app/src/main/java/eu/m724/vastapp/vastai/cronet/StringUrlRequestCallback.kt

@@ -25,7 +25,8 @@ open class StringUrlRequestCallback(
     }
 
     override fun onResponseStarted(request: UrlRequest?, info: UrlResponseInfo?) {
-        request?.read(ByteBuffer.allocateDirect(102400))
+        val size = info?.allHeaders?.get("content-length")?.get(0)?.toIntOrNull()
+        request?.read(ByteBuffer.allocateDirect(size ?: 100000))
     }
 
     override fun onReadCompleted(
@@ -36,13 +37,19 @@ open class StringUrlRequestCallback(
         byteBuffer?.clear()
         request?.read(byteBuffer)
 
-        stringResponse.append(Charsets.UTF_8.newDecoder().onUnmappableCharacter(CodingErrorAction.IGNORE).decode(byteBuffer))
+        stringResponse.append(
+            Charsets.UTF_8.newDecoder()
+                .onUnmappableCharacter(CodingErrorAction.IGNORE)
+                .decode(byteBuffer)
+        )
     }
 
     override fun onSucceeded(request: UrlRequest?, info: UrlResponseInfo?) {
         if (info != null) {
             val body = stringResponse.toString()
             val statusCode = info.httpStatusCode
+            println(info.httpStatusCode.toString() + ": " + stringResponse.substring(0, stringResponse.length))
+            println(info.allHeaders.toString())
 
             if (statusCode == 200) {
                 try {
@@ -52,7 +59,7 @@ open class StringUrlRequestCallback(
                 }
             } else if (statusCode >= 500) {
                 onFailure(ServerError(statusCode, body))
-            } else if (statusCode == 403) {
+            } else if (statusCode == 401) {
                 onFailure(UnauthorizedException(body))
             } else {
                 onFailure(ClientException(body))

app/src/main/java/eu/m724/vastapp/vastai/data/RentedInstance.kt

@@ -72,4 +72,34 @@ data class RentedInstance(
             )
         }
     }
+
+    /**
+     * gpu model or label if set
+     * @return instance name
+     */
+    fun getName(): String {
+        return label ?: instance.machine.gpu.model
+    }
+
+    /**
+     * returns whether the instance is running
+     * this is true also if the instance is stopping
+     * vice versa, false if stopped or starting
+     * @return is the instance running
+     */
+    fun isRunning(): Boolean {
+        return status == "running"
+    }
+
+    fun isStopping(): Boolean {
+        return status == "running" && targetStatus == "stopped"
+    }
+
+    fun isStarting(): Boolean {
+        return status == "exited" && targetStatus == "running"
+    }
+
+    fun isChangingState(): Boolean {
+        return isStopping() || isStarting()
+    }
 }

app/src/main/res/values-pl/strings.xml

@@ -4,7 +4,7 @@
     <string name="title_activity_login">Logowanie</string>
     <string name="nav_dashboard">Kokpit</string>
     <string name="nav_billing">Płatności</string>
-    <string name="nav_instances">Maszyny</string>
+    <string name="nav_instances">Instancje</string>
     <string name="nav_help">Pomoc</string>
     <string name="balance">Bilans</string>
     <string name="greeting">Witaj %1$s!</string>
@@ -27,7 +27,10 @@
     <string name="termux_not_configured">Termux nie jest skonfigurowany pod działanie z innymi aplikacjami.</string>
     <string name="termux_open_instructions">Otwórz instrukcje na github.com</string>
     <string name="termux_error">Wystąpił błąd:</string>
-    <string name="no_instances">Nie wynajmujesz żadnych maszyn</string>
+    <string name="no_instances">Nie wynajmujesz żadnych instancji</string>
     <string name="webview_todo">(kiedyś to będzie tutaj)</string>
     <string name="termux_no_ssh">Brakuje klienta SSH na Termux</string>
+    <string name="rent_on_website">Jeszcze nie możesz wynajmować z tej aplikacji</string>
+    <string name="instance_confirm_delete">Potwierdź usunięcie</string>
+    <string name="instance_confirm_delete_text">Instancja #%1$d (%2$s)</string>
 </resources>

app/src/main/res/values/strings.xml

@@ -31,4 +31,7 @@
     <string name="webview_todo">(this will be a webview)</string>
     <string name="no_instances">You are not renting any instances</string>
     <string name="termux_no_ssh">Missing SSH client on Termux</string>
+    <string name="rent_on_website">You can\'t rent from this app yet</string>
+    <string name="instance_confirm_delete">Confirm deletion</string>
+    <string name="instance_confirm_delete_text">Instance #%1$d (%2$s)</string>
 </resources>