Add ViewModel and related MVVM parts

3 files changed, 52 insertions, 0 deletions

diff --git a/android/app/src/main/kotlin/net/mullvad/mullvadvpn/compose/state/SettingsUiState.kt b/android/app/src/main/kotlin/net/mullvad/mullvadvpn/compose/state/SettingsUiState.kt
new file mode 100644
index 0000000000..06bd0749eb
--- /dev/null
+++ b/android/app/src/main/kotlin/net/mullvad/mullvadvpn/compose/state/SettingsUiState.kt
@@ -0,0 +1,7 @@
+package net.mullvad.mullvadvpn.compose.state
+
+data class SettingsUiState(
+    val appVersion: String,
+    val isLoggedIn: Boolean,
+    val isUpdateAvailable: Boolean
+)
diff --git a/android/app/src/main/kotlin/net/mullvad/mullvadvpn/di/UiModule.kt b/android/app/src/main/kotlin/net/mullvad/mullvadvpn/di/UiModule.kt
index 2244438ef0..0e10278ac3 100644
--- a/android/app/src/main/kotlin/net/mullvad/mullvadvpn/di/UiModule.kt
+++ b/android/app/src/main/kotlin/net/mullvad/mullvadvpn/di/UiModule.kt
@@ -28,6 +28,7 @@ import net.mullvad.mullvadvpn.viewmodel.DeviceRevokedViewModel
 import net.mullvad.mullvadvpn.viewmodel.LoginViewModel
 import net.mullvad.mullvadvpn.viewmodel.PrivacyDisclaimerViewModel
 import net.mullvad.mullvadvpn.viewmodel.SelectLocationViewModel
+import net.mullvad.mullvadvpn.viewmodel.SettingsViewModel
 import net.mullvad.mullvadvpn.viewmodel.SplitTunnelingViewModel
 import net.mullvad.mullvadvpn.viewmodel.VpnSettingsViewModel
 import org.apache.commons.validator.routines.InetAddressValidator
@@ -87,6 +88,7 @@ val uiModule = module {
     viewModel { PrivacyDisclaimerViewModel(get()) }
     viewModel { VpnSettingsViewModel(get(), get(), get(), get()) }
     viewModel { SelectLocationViewModel(get()) }
+    viewModel { SettingsViewModel(get(), get()) }
 }
 
 const val SELF_PACKAGE_NAME = "SELF_PACKAGE_NAME"
diff --git a/android/app/src/main/kotlin/net/mullvad/mullvadvpn/viewmodel/SettingsViewModel.kt b/android/app/src/main/kotlin/net/mullvad/mullvadvpn/viewmodel/SettingsViewModel.kt
new file mode 100644
index 0000000000..8ef85cfca8
--- /dev/null
+++ b/android/app/src/main/kotlin/net/mullvad/mullvadvpn/viewmodel/SettingsViewModel.kt
@@ -0,0 +1,43 @@
+package net.mullvad.mullvadvpn.viewmodel
+
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
+import kotlinx.coroutines.flow.SharingStarted
+import kotlinx.coroutines.flow.StateFlow
+import kotlinx.coroutines.flow.combine
+import kotlinx.coroutines.flow.stateIn
+import net.mullvad.mullvadvpn.compose.state.SettingsUiState
+import net.mullvad.mullvadvpn.model.DeviceState
+import net.mullvad.mullvadvpn.repository.DeviceRepository
+import net.mullvad.mullvadvpn.ui.serviceconnection.ServiceConnectionManager
+
+class SettingsViewModel(
+    deviceRepository: DeviceRepository,
+    serviceConnectionManager: ServiceConnectionManager
+) : ViewModel() {
+
+    private val vmState: StateFlow<SettingsUiState> =
+        combine(deviceRepository.deviceState, serviceConnectionManager.connectionState) {
+                deviceState,
+                versionInfo ->
+                val cachedVersionInfo = versionInfo.readyContainer()?.appVersionInfoCache
+                SettingsUiState(
+                    isLoggedIn = deviceState is DeviceState.LoggedIn,
+                    appVersion = cachedVersionInfo?.version ?: "",
+                    isUpdateAvailable =
+                        cachedVersionInfo?.let { it.isSupported.not() || it.isOutdated } ?: false
+                )
+            }
+            .stateIn(
+                viewModelScope,
+                SharingStarted.WhileSubscribed(),
+                SettingsUiState(appVersion = "", isLoggedIn = false, isUpdateAvailable = false)
+            )
+
+    val uiState =
+        vmState.stateIn(
+            viewModelScope,
+            SharingStarted.WhileSubscribed(),
+            SettingsUiState(appVersion = "", isLoggedIn = false, isUpdateAvailable = false)
+        )
+}