Fix loading state in New Message Fragment

app/src/main/java/org/thoughtcrime/securesms/conversation/newmessage/NewMessageFragment.kt

@@ -183,6 +183,7 @@ fun EnterAccountId(
                 .padding(horizontal = LocalDimensions.current.marginLarge)
                 .fillMaxWidth()
                 .contentDescription(R.string.next),
+            enabled = state.isNextButtonEnabled,
             onClick = { callbacks.onContinue() }
         ) {
             LoadingArcOr(state.loading) {

app/src/main/java/org/thoughtcrime/securesms/conversation/newmessage/NewMessageViewModel.kt

@@ -4,27 +4,29 @@ import android.app.Application
 import androidx.lifecycle.AndroidViewModel
 import androidx.lifecycle.viewModelScope
 import dagger.hilt.android.lifecycle.HiltViewModel
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.Job
 import kotlinx.coroutines.channels.Channel
 import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.asStateFlow
 import kotlinx.coroutines.flow.receiveAsFlow
 import kotlinx.coroutines.flow.update
+import kotlinx.coroutines.isActive
 import kotlinx.coroutines.launch
+import kotlinx.coroutines.withTimeout
 import network.loki.messenger.R
-import nl.komponents.kovenant.ui.failUi
-import nl.komponents.kovenant.ui.successUi
 import org.session.libsession.snode.SnodeAPI
 import org.session.libsignal.utilities.PublicKeyValidation
 import org.thoughtcrime.securesms.ui.GetString
 import javax.inject.Inject
+import kotlin.time.Duration.Companion.seconds
 
 @HiltViewModel
 class NewMessageViewModel @Inject constructor(
     private val application: Application
 ): AndroidViewModel(application), Callbacks {
 
-
     private val _state = MutableStateFlow(State())
     val state = _state.asStateFlow()
 
@@ -34,11 +36,13 @@ class NewMessageViewModel @Inject constructor(
     private val _qrErrors = Channel<String>()
     val qrErrors: Flow<String> = _qrErrors.receiveAsFlow()
 
+    private var job: Job? = null
+
     override fun onChange(value: String) {
-        _state.update { it.copy(
-            newMessageIdOrOns = value,
-            error = null
-        ) }
+        job?.cancel()
+        job = null
+
+        _state.update { State(newMessageIdOrOns = value) }
     }
 
     override fun onContinue() {
@@ -54,6 +58,8 @@ class NewMessageViewModel @Inject constructor(
     }
 
     private fun createPrivateChatIfPossible(onsNameOrPublicKey: String) {
+        if (job?.isActive == true) return
+
         if (PublicKeyValidation.isValid(onsNameOrPublicKey, isPrefixRequired = false)) {
             if (PublicKeyValidation.hasValidPrefix(onsNameOrPublicKey)) {
                 onPublicKey(onsNameOrPublicKey)
@@ -64,11 +70,18 @@ class NewMessageViewModel @Inject constructor(
             // This could be an ONS name
             _state.update { it.copy(error = null, loading = true) }
 
-            SnodeAPI.getSessionID(onsNameOrPublicKey).successUi { hexEncodedPublicKey ->
-                _state.update { it.copy(loading = false) }
-                onPublicKey(onsNameOrPublicKey)
-            }.failUi { exception ->
-                _state.update { it.copy(loading = false, error = GetString(exception) { it.toMessage() }) }
+            job = viewModelScope.launch(Dispatchers.IO) {
+                try {
+                    withTimeout(5.seconds) {
+                        SnodeAPI.getSessionID(onsNameOrPublicKey).get()
+                    }
+                    if (isActive) {
+                        _state.update { it.copy(loading = false) }
+                        onPublicKey(onsNameOrPublicKey)
+                    }
+                } catch (e: Exception) {
+                    if (isActive) _state.update { it.copy(loading = false, error = GetString(e) { it.toMessage() }) }
+                }
             }
         }
     }
@@ -87,7 +100,9 @@ data class State(
     val newMessageIdOrOns: String = "",
     val error: GetString? = null,
     val loading: Boolean = false
-)
+) {
+    val isNextButtonEnabled: Boolean get() = newMessageIdOrOns.isNotBlank()
+}
 
 sealed interface Event {
     data class Success(val key: String): Event

app/src/main/java/org/thoughtcrime/securesms/ui/components/Button.kt

@@ -93,12 +93,14 @@ fun OutlineButton(
 @Composable
 fun OutlineButton(
     modifier: Modifier = Modifier,
+    enabled: Boolean = true,
     interactionSource: MutableInteractionSource = remember { MutableInteractionSource() },
     onClick: () -> Unit,
     content: @Composable () -> Unit = {}
 ) {
     OutlinedButton(
         modifier = modifier.applyButtonSize(),
+        enabled = enabled,
         interactionSource = interactionSource,
         onClick = onClick,
         border = BorderStroke(1.dp, LocalButtonColor.current),