Make message backup settings screen update properly.

app/src/main/java/org/thoughtcrime/securesms/backup/v2/BackupRepository.kt

@@ -755,7 +755,7 @@ enum class MessageBackupTier(val value: Int) {
     }
 
     override fun deserialize(data: Long): MessageBackupTier? {
-      return values().firstOrNull { it.value == data.toInt() } ?: null
+      return values().firstOrNull { it.value == data.toInt() }
     }
   }
 }

app/src/main/java/org/thoughtcrime/securesms/backup/v2/ui/subscription/MessageBackupsFlowState.kt

@@ -11,8 +11,8 @@ import org.thoughtcrime.securesms.keyvalue.SignalStore
 import org.thoughtcrime.securesms.lock.v2.PinKeyboardType
 
 data class MessageBackupsFlowState(
-  val selectedMessageBackupTier: MessageBackupTier? = null,
-  val currentMessageBackupTier: MessageBackupTier? = null,
+  val selectedMessageBackupTier: MessageBackupTier? = SignalStore.backup().backupTier,
+  val currentMessageBackupTier: MessageBackupTier? = SignalStore.backup().backupTier,
   val availableBackupTiers: List<MessageBackupTier> = emptyList(),
   val selectedPaymentMethod: InAppPaymentData.PaymentMethodType? = null,
   val availablePaymentMethods: List<InAppPaymentData.PaymentMethodType> = emptyList(),

app/src/main/java/org/thoughtcrime/securesms/backup/v2/ui/subscription/MessageBackupsTypeSelectionScreen.kt

@@ -146,6 +146,7 @@ fun MessageBackupsTypeSelectionScreen(
 
       Buttons.LargePrimary(
         onClick = onNextClicked,
+        enabled = selectedBackupTier != null,
         modifier = Modifier
           .fillMaxWidth()
           .padding(vertical = 16.dp)

app/src/main/java/org/thoughtcrime/securesms/components/settings/app/chats/backups/RemoteBackupsSettingsFragment.kt

@@ -154,6 +154,11 @@ class RemoteBackupsSettingsFragment : ComposeFragment() {
     super.onViewCreated(view, savedInstanceState)
     EventBus.getDefault().registerForLifecycle(subscriber = this, lifecycleOwner = viewLifecycleOwner)
   }
+
+  override fun onResume() {
+    super.onResume()
+    viewModel.refresh()
+  }
 }
 
 /**

app/src/main/java/org/thoughtcrime/securesms/components/settings/app/chats/backups/RemoteBackupsSettingsViewModel.kt

@@ -50,6 +50,15 @@ class RemoteBackupsSettingsViewModel : ViewModel() {
     internalState.value = state.value.copy(snackbar = snackbar)
   }
 
+  fun refresh() {
+    internalState.value = state.value.copy(
+      messageBackupsTier = SignalStore.backup().backupTier,
+      lastBackupTimestamp = SignalStore.backup().lastBackupTime,
+      backupSize = SignalStore.backup().totalBackupSize,
+      backupsFrequency = SignalStore.backup().backupFrequency
+    )
+  }
+
   fun turnOffAndDeleteBackups() {
     // TODO [message-backups] -- Delete.
     SignalStore.backup().areBackupsEnabled = false

app/src/main/java/org/thoughtcrime/securesms/components/settings/app/chats/backups/type/BackupsTypeSettingsFragment.kt

@@ -70,6 +70,11 @@ class BackupsTypeSettingsFragment : ComposeFragment() {
       startActivity(Intent(requireContext(), MessageBackupsFlowActivity::class.java))
     }
   }
+
+  override fun onResume() {
+    super.onResume()
+    viewModel.refresh()
+  }
 }
 
 private interface ContentCallbacks {
@@ -130,7 +135,7 @@ private fun BackupsTypeRow(
   backupsTier: MessageBackupTier,
   nextRenewalTimestamp: Long
 ) {
-  val messageBackupsType = remember {
+  val messageBackupsType = remember(backupsTier) {
     getTierDetails(backupsTier)
   }
 

app/src/main/java/org/thoughtcrime/securesms/components/settings/app/chats/backups/type/BackupsTypeSettingsViewModel.kt

@@ -18,4 +18,8 @@ class BackupsTypeSettingsViewModel : ViewModel() {
   )
 
   val state: State<BackupsTypeSettingsState> = internalState
+
+  fun refresh() {
+    internalState.value = state.value.copy(backupsTier = SignalStore.backup().backupTier)
+  }
 }