moving login and home modules to the chat engine

app/src/main/kotlin/app/dapk/st/graph/AppModule.kt

@@ -25,7 +25,6 @@ import app.dapk.st.imageloader.ImageLoaderModule
 import app.dapk.st.login.LoginModule
 import app.dapk.st.matrix.MatrixClient
 import app.dapk.st.matrix.auth.DeviceDisplayNameGenerator
-import app.dapk.st.matrix.auth.authService
 import app.dapk.st.matrix.auth.installAuthService
 import app.dapk.st.matrix.common.*
 import app.dapk.st.matrix.crypto.RoomMembersProvider
@@ -171,9 +170,8 @@ internal class FeatureModules internal constructor(
     }
     val loginModule by unsafeLazy {
         LoginModule(
-            matrixModules.auth,
+            matrixModules.engine,
             domainModules.pushModule,
-            matrixModules.profile,
             trackingModule.errorTracker
         )
     }
@@ -191,7 +189,7 @@ internal class FeatureModules internal constructor(
             storeModule.value.messageStore(),
         )
     }
-    val homeModule by unsafeLazy { HomeModule(storeModule.value, matrixModules.profile, matrixModules.sync, buildMeta) }
+    val homeModule by unsafeLazy { HomeModule(matrixModules.engine, storeModule.value, buildMeta) }
     val settingsModule by unsafeLazy {
         SettingsModule(
             storeModule.value,
@@ -473,7 +471,6 @@ internal class MatrixModules(
         }
     }
 
-    val auth by unsafeLazy { matrix.authService() }
     val push by unsafeLazy { matrix.pushService() }
     val sync by unsafeLazy { matrix.syncService() }
     val message by unsafeLazy { matrix.messageService() }

chat-engine/build.gradle

@@ -5,8 +5,4 @@ plugins {
 dependencies {
     api Dependencies.mavenCentral.kotlinCoroutinesCore
     api project(":matrix:common")
-
-    implementation project(":matrix:services:sync")
-    implementation project(":matrix:services:message")
-    implementation project(":matrix:services:room")
 }

chat-engine/src/main/kotlin/app/dapk/st/engine/ChatEngine.kt

@@ -1,46 +1,14 @@
 package app.dapk.st.engine
 
-import app.dapk.st.matrix.common.AvatarUrl
-import app.dapk.st.matrix.common.EventId
-import app.dapk.st.matrix.common.RoomId
-import app.dapk.st.matrix.common.RoomMember
 import kotlinx.coroutines.flow.Flow
 
 interface ChatEngine {
 
     fun directory(): Flow<DirectoryState>
+    fun invites(): Flow<InviteState>
+
+    suspend fun login(request: LoginRequest): LoginResult
+
+    suspend fun me(forceRefresh: Boolean): Me
 
 }
-
-typealias DirectoryState = List<DirectoryItem>
-typealias OverviewState = List<RoomOverview>
-
-data class DirectoryItem(
-    val overview: RoomOverview,
-    val unreadCount: UnreadCount,
-    val typing: Typing?
-)
-
-data class RoomOverview(
-    val roomId: RoomId,
-    val roomCreationUtc: Long,
-    val roomName: String?,
-    val roomAvatarUrl: AvatarUrl?,
-    val lastMessage: LastMessage?,
-    val isGroup: Boolean,
-    val readMarker: EventId?,
-    val isEncrypted: Boolean,
-) {
-
-    data class LastMessage(
-        val content: String,
-        val utcTimestamp: Long,
-        val author: RoomMember,
-    )
-
-}
-
-@JvmInline
-value class UnreadCount(val value: Int)
-
-data class Typing(val roomId: RoomId, val members: List<RoomMember>)

chat-engine/src/main/kotlin/app/dapk/st/engine/Models.kt

@@ -0,0 +1,64 @@
+package app.dapk.st.engine
+
+import app.dapk.st.matrix.common.*
+
+typealias DirectoryState = List<DirectoryItem>
+typealias OverviewState = List<RoomOverview>
+typealias InviteState = List<RoomInvite>
+
+data class DirectoryItem(
+    val overview: RoomOverview,
+    val unreadCount: UnreadCount,
+    val typing: Typing?
+)
+
+data class RoomOverview(
+    val roomId: RoomId,
+    val roomCreationUtc: Long,
+    val roomName: String?,
+    val roomAvatarUrl: AvatarUrl?,
+    val lastMessage: LastMessage?,
+    val isGroup: Boolean,
+    val readMarker: EventId?,
+    val isEncrypted: Boolean,
+) {
+
+    data class LastMessage(
+        val content: String,
+        val utcTimestamp: Long,
+        val author: RoomMember,
+    )
+
+}
+
+data class RoomInvite(
+    val from: RoomMember,
+    val roomId: RoomId,
+    val inviteMeta: InviteMeta,
+) {
+    sealed class InviteMeta {
+        object DirectMessage : InviteMeta()
+        data class Room(val roomName: String? = null) : InviteMeta()
+    }
+
+}
+
+@JvmInline
+value class UnreadCount(val value: Int)
+
+data class Typing(val roomId: RoomId, val members: List<RoomMember>)
+
+data class LoginRequest(val userName: String, val password: String, val serverUrl: String?)
+
+sealed interface LoginResult {
+    data class Success(val userCredentials: UserCredentials) : LoginResult
+    object MissingWellKnown : LoginResult
+    data class Error(val cause: Throwable) : LoginResult
+}
+
+data class Me(
+    val userId: UserId,
+    val displayName: String?,
+    val avatarUrl: AvatarUrl?,
+    val homeServerUrl: HomeServerUrl,
+)

features/home/build.gradle

@@ -1,9 +1,7 @@
 applyAndroidComposeLibraryModule(project)
 
 dependencies {
-    implementation project(":matrix:services:profile")
-    implementation project(":matrix:services:crypto")
-    implementation project(":matrix:services:sync")
+    implementation project(":chat-engine")
     implementation project(":features:directory")
     implementation project(":features:login")
     implementation project(":features:settings")

features/home/src/main/kotlin/app/dapk/st/home/HomeModule.kt

@@ -4,31 +4,28 @@ import app.dapk.st.core.BuildMeta
 import app.dapk.st.core.ProvidableModule
 import app.dapk.st.directory.DirectoryViewModel
 import app.dapk.st.domain.StoreModule
+import app.dapk.st.engine.ChatEngine
 import app.dapk.st.login.LoginViewModel
-import app.dapk.st.matrix.room.ProfileService
-import app.dapk.st.matrix.sync.SyncService
 import app.dapk.st.profile.ProfileViewModel
 
 class HomeModule(
+    private val chatEngine: ChatEngine,
     private val storeModule: StoreModule,
-    private val profileService: ProfileService,
-    private val syncService: SyncService,
     private val buildMeta: BuildMeta,
 ) : ProvidableModule {
 
     fun homeViewModel(directory: DirectoryViewModel, login: LoginViewModel, profileViewModel: ProfileViewModel): HomeViewModel {
         return HomeViewModel(
+            chatEngine,
             storeModule.credentialsStore(),
             directory,
             login,
             profileViewModel,
-            profileService,
             storeModule.cacheCleaner(),
             BetaVersionUpgradeUseCase(
                 storeModule.applicationStore(),
                 buildMeta,
             ),
-            syncService,
         )
     }
 

features/home/src/main/kotlin/app/dapk/st/home/HomeState.kt

@@ -4,13 +4,13 @@ import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.filled.Menu
 import androidx.compose.material.icons.filled.Settings
 import androidx.compose.ui.graphics.vector.ImageVector
-import app.dapk.st.matrix.room.ProfileService
+import app.dapk.st.engine.Me
 
 sealed interface HomeScreenState {
 
     object Loading : HomeScreenState
     object SignedOut : HomeScreenState
-    data class SignedIn(val page: Page, val me: ProfileService.Me, val invites: Int) : HomeScreenState
+    data class SignedIn(val page: Page, val me: Me, val invites: Int) : HomeScreenState
 
     enum class Page(val icon: ImageVector) {
         Directory(Icons.Filled.Menu),

features/home/src/main/kotlin/app/dapk/st/home/HomeViewModel.kt

@@ -3,12 +3,11 @@ package app.dapk.st.home
 import androidx.lifecycle.viewModelScope
 import app.dapk.st.directory.DirectoryViewModel
 import app.dapk.st.domain.StoreCleaner
+import app.dapk.st.engine.ChatEngine
 import app.dapk.st.home.HomeScreenState.*
 import app.dapk.st.login.LoginViewModel
 import app.dapk.st.matrix.common.CredentialsStore
 import app.dapk.st.matrix.common.isSignedIn
-import app.dapk.st.matrix.room.ProfileService
-import app.dapk.st.matrix.sync.SyncService
 import app.dapk.st.profile.ProfileViewModel
 import app.dapk.st.viewmodel.DapkViewModel
 import kotlinx.coroutines.CoroutineScope
@@ -20,14 +19,13 @@ import kotlinx.coroutines.flow.onEach
 import kotlinx.coroutines.launch
 
 class HomeViewModel(
+    private val chatEngine: ChatEngine,
     private val credentialsProvider: CredentialsStore,
     private val directoryViewModel: DirectoryViewModel,
     private val loginViewModel: LoginViewModel,
     private val profileViewModel: ProfileViewModel,
-    private val profileService: ProfileService,
     private val cacheCleaner: StoreCleaner,
     private val betaVersionUpgradeUseCase: BetaVersionUpgradeUseCase,
-    private val syncService: SyncService,
 ) : DapkViewModel<HomeScreenState, HomeEvent>(
     initialState = Loading
 ) {
@@ -56,8 +54,8 @@ class HomeViewModel(
     }
 
     private suspend fun initialHomeContent(): SignedIn {
-        val me = profileService.me(forceRefresh = false)
-        val initialInvites = syncService.invites().first().size
+        val me = chatEngine.me(forceRefresh = false)
+        val initialInvites = chatEngine.invites().first().size
         return SignedIn(Page.Directory, me, invites = initialInvites)
     }
 
@@ -70,7 +68,7 @@ class HomeViewModel(
 
     private fun CoroutineScope.listenForInviteChanges() {
         listenForInvitesJob?.cancel()
-        listenForInvitesJob = syncService.invites()
+        listenForInvitesJob = chatEngine.invites()
             .onEach { invites ->
                 when (val currentState = state) {
                     is SignedIn -> updateState { currentState.copy(invites = invites.size) }

features/login/build.gradle

@@ -1,12 +1,10 @@
 applyAndroidComposeLibraryModule(project)
 
 dependencies {
+    implementation project(":chat-engine")
     implementation project(":domains:android:compose-core")
     implementation project(":domains:android:push")
     implementation project(":domains:android:viewmodel")
-    implementation project(":matrix:services:auth")
-    implementation project(":matrix:services:profile")
-    implementation project(":matrix:services:crypto")
     implementation project(":design-library")
     implementation project(":core")
 }

features/login/src/main/kotlin/app/dapk/st/login/LoginModule.kt

@@ -2,18 +2,16 @@ package app.dapk.st.login
 
 import app.dapk.st.core.ProvidableModule
 import app.dapk.st.core.extensions.ErrorTracker
-import app.dapk.st.matrix.auth.AuthService
-import app.dapk.st.matrix.room.ProfileService
+import app.dapk.st.engine.ChatEngine
 import app.dapk.st.push.PushModule
 
 class LoginModule(
-    private val authService: AuthService,
+    private val chatEngine: ChatEngine,
     private val pushModule: PushModule,
-    private val profileService: ProfileService,
     private val errorTracker: ErrorTracker,
 ) : ProvidableModule {
 
     fun loginViewModel(): LoginViewModel {
-        return LoginViewModel(authService, pushModule.pushTokenRegistrar(), profileService, errorTracker)
+        return LoginViewModel(chatEngine, pushModule.pushTokenRegistrar(), errorTracker)
     }
 }

features/login/src/main/kotlin/app/dapk/st/login/LoginViewModel.kt

@@ -3,10 +3,11 @@ package app.dapk.st.login
 import androidx.lifecycle.viewModelScope
 import app.dapk.st.core.extensions.ErrorTracker
 import app.dapk.st.core.logP
+import app.dapk.st.engine.ChatEngine
+import app.dapk.st.engine.LoginRequest
+import app.dapk.st.engine.LoginResult
 import app.dapk.st.login.LoginEvent.LoginComplete
 import app.dapk.st.login.LoginScreenState.*
-import app.dapk.st.matrix.auth.AuthService
-import app.dapk.st.matrix.room.ProfileService
 import app.dapk.st.push.PushTokenRegistrar
 import app.dapk.st.viewmodel.DapkViewModel
 import kotlinx.coroutines.async
@@ -14,9 +15,8 @@ import kotlinx.coroutines.awaitAll
 import kotlinx.coroutines.launch
 
 class LoginViewModel(
-    private val authService: AuthService,
+    private val chatEngine: ChatEngine,
     private val pushTokenRegistrar: PushTokenRegistrar,
-    private val profileService: ProfileService,
     private val errorTracker: ErrorTracker,
 ) : DapkViewModel<LoginScreenState, LoginEvent>(
     initialState = Content(showServerUrl = false)
@@ -28,8 +28,8 @@ class LoginViewModel(
         state = Loading
         viewModelScope.launch {
             logP("login") {
-                when (val result = authService.login(AuthService.LoginRequest(userName, password, serverUrl.takeIfNotEmpty()))) {
-                    is AuthService.LoginResult.Success -> {
+                when (val result = chatEngine.login(LoginRequest(userName, password, serverUrl.takeIfNotEmpty()))) {
+                    is LoginResult.Success -> {
                         runCatching {
                             listOf(
                                 async { pushTokenRegistrar.registerCurrentToken() },
@@ -38,11 +38,13 @@ class LoginViewModel(
                         }
                         _events.tryEmit(LoginComplete)
                     }
-                    is AuthService.LoginResult.Error -> {
+
+                    is LoginResult.Error -> {
                         errorTracker.track(result.cause)
                         state = Error(result.cause)
                     }
-                    AuthService.LoginResult.MissingWellKnown -> {
+
+                    LoginResult.MissingWellKnown -> {
                         _events.tryEmit(LoginEvent.WellKnownMissing)
                         state = Content(showServerUrl = true)
                     }
@@ -51,7 +53,7 @@ class LoginViewModel(
         }
     }
 
-    private suspend fun preloadMe() = profileService.me(forceRefresh = false)
+    private suspend fun preloadMe() = chatEngine.me(forceRefresh = false)
 
     fun start() {
         val showServerUrl = previousState?.let { it is Content && it.showServerUrl } ?: false

matrix-chat-engine/src/main/kotlin/app/dapk/st/engine/MappingExtensions.kt

@@ -1,6 +1,12 @@
 package app.dapk.st.engine
 
+import app.dapk.st.matrix.auth.AuthService
+import app.dapk.st.matrix.sync.InviteMeta
+import app.dapk.st.matrix.auth.AuthService.LoginRequest as MatrixLoginRequest
+import app.dapk.st.matrix.auth.AuthService.LoginResult as MatrixLoginResult
+import app.dapk.st.matrix.room.ProfileService.Me as MatrixMe
 import app.dapk.st.matrix.sync.LastMessage as MatrixLastMessage
+import app.dapk.st.matrix.sync.RoomInvite as MatrixRoomInvite
 import app.dapk.st.matrix.sync.RoomOverview as MatrixRoomOverview
 import app.dapk.st.matrix.sync.SyncService.SyncEvent.Typing as MatrixTyping
 
@@ -24,4 +30,35 @@ fun MatrixLastMessage.engine() = RoomOverview.LastMessage(
 fun MatrixTyping.engine() = Typing(
     this.roomId,
     this.members,
-)
+)
+
+fun LoginRequest.engine() = MatrixLoginRequest(
+    this.userName,
+    this.password,
+    this.serverUrl
+)
+
+fun MatrixLoginResult.engine() = when (this) {
+    is AuthService.LoginResult.Error -> LoginResult.Error(this.cause)
+    AuthService.LoginResult.MissingWellKnown -> LoginResult.MissingWellKnown
+    is AuthService.LoginResult.Success -> LoginResult.Success(this.userCredentials)
+}
+
+fun MatrixMe.engine() = Me(
+    this.userId,
+    this.displayName,
+    this.avatarUrl,
+    this.homeServerUrl,
+)
+
+fun MatrixRoomInvite.engine() = RoomInvite(
+    this.from,
+    this.roomId,
+    this.inviteMeta.engine(),
+)
+
+fun InviteMeta.engine() = when (this) {
+    InviteMeta.DirectMessage -> RoomInvite.InviteMeta.DirectMessage
+    is InviteMeta.Room -> RoomInvite.InviteMeta.Room(this.roomName)
+}
+

matrix-chat-engine/src/main/kotlin/app/dapk/st/engine/MatrixEngine.kt

@@ -7,6 +7,7 @@ import app.dapk.st.core.SingletonFlows
 import app.dapk.st.core.extensions.ErrorTracker
 import app.dapk.st.matrix.MatrixClient
 import app.dapk.st.matrix.auth.DeviceDisplayNameGenerator
+import app.dapk.st.matrix.auth.authService
 import app.dapk.st.matrix.auth.installAuthService
 import app.dapk.st.matrix.common.*
 import app.dapk.st.matrix.crypto.RoomMembersProvider
@@ -27,13 +28,27 @@ import app.dapk.st.matrix.sync.internal.room.MessageDecrypter
 import app.dapk.st.olm.DeviceKeyFactory
 import app.dapk.st.olm.OlmStore
 import app.dapk.st.olm.OlmWrapper
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.map
 import java.time.Clock
 
 class MatrixEngine internal constructor(
     private val directoryUseCase: Lazy<DirectoryUseCase>,
+    private val matrix: Lazy<MatrixClient>,
 ) : ChatEngine {
 
     override fun directory() = directoryUseCase.value.state()
+    override fun invites(): Flow<InviteState> {
+        return matrix.value.syncService().invites().map { it.map { it.engine() } }
+    }
+
+    override suspend fun login(request: LoginRequest): LoginResult {
+        return matrix.value.authService().login(request.engine()).engine()
+    }
+
+    override suspend fun me(forceRefresh: Boolean): Me {
+        return matrix.value.profileService().me(forceRefresh).engine()
+    }
 
     class Factory {
 
@@ -57,28 +72,30 @@ class MatrixEngine internal constructor(
             knownDeviceStore: KnownDeviceStore,
             olmStore: OlmStore,
         ): ChatEngine {
-            val matrix = MatrixFactory.createMatrix(
-                base64,
-                buildMeta,
-                logger,
-                nameGenerator,
-                coroutineDispatchers,
-                errorTracker,
-                imageContentReader,
-                backgroundScheduler,
-                memberStore,
-                roomStore,
-                profileStore,
-                syncStore,
-                overviewStore,
-                filterStore,
-                localEchoStore,
-                credentialsStore,
-                knownDeviceStore,
-                olmStore
-            )
-
+            val lazyMatrix = unsafeLazy {
+                MatrixFactory.createMatrix(
+                    base64,
+                    buildMeta,
+                    logger,
+                    nameGenerator,
+                    coroutineDispatchers,
+                    errorTracker,
+                    imageContentReader,
+                    backgroundScheduler,
+                    memberStore,
+                    roomStore,
+                    profileStore,
+                    syncStore,
+                    overviewStore,
+                    filterStore,
+                    localEchoStore,
+                    credentialsStore,
+                    knownDeviceStore,
+                    olmStore
+                )
+            }
             val directoryUseCase = unsafeLazy {
+                val matrix = lazyMatrix.value
                 DirectoryUseCase(
                     matrix.syncService(),
                     matrix.messageService(),
@@ -88,7 +105,7 @@ class MatrixEngine internal constructor(
                 )
             }
 
-            return MatrixEngine(directoryUseCase)
+            return MatrixEngine(directoryUseCase, lazyMatrix)
 
         }