Feat/102 implement authentication and onboarding logic#103
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MarcelMilka merged 11 commits intoApr 4, 2026
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- Create a new Android library module `auth` with namespace `eu.project.auth`. - Configure `build.gradle.kts` with `compileSdk` 36, `minSdk` 26, and Java 11 compatibility. - Add dependencies for Hilt (using KSP), AppCompat, Material, and the internal `:common` module. - Register the `:auth` module in `settings.gradle.kts`. - Add standard ProGuard and gitignore configurations for the new module.
- Add `AuthnManager` and `AuthnManagerImpl` to handle Google authentication and session management via Supabase. - Implement `GoogleCredentialManager` using Android's `CredentialManager` to retrieve Google ID tokens. - Add `NonceGenerator` to create raw and SHA-256 hashed nonces for secure authentication. - Configure `SupabaseClient` with authentication support using GoTrue/Auth. - Add required dependencies for Ktor, Supabase BOM, AndroidX Credentials, and Google ID to `libs.versions.toml` and `auth/build.gradle.kts`. - Enable `buildConfig` and define `GOOGLE_WEB_CLIENT_ID`, `SUPABASE_DATABASE_URL`, and `SUPABASE_PUBLISHABLE_KEY` fields in the `auth` module. - Define data classes for `RawNonce`, `HashedNonce`, `NonceSet`, `GoogleIdToken`, and `AccessToken`.
- Create `User` data class with `id` (UUID) and `email` fields. - Add `getUser()` method to the `AuthnManager` interface to retrieve the current session user. - Implement `getUser()` in `AuthnManagerImpl` by mapping Supabase current user data to the `User` model. - Add UUID parsing and validation logic when retrieving the user ID from the authentication client.
- Create `ApplicationViewModel` to handle session restoration and determine the initial navigation route using `AuthnManager`. - Introduce `ApplicationStartupState` sealed class to represent `Pending` and `Ready` states. - Update `MainActivity` to keep the splash screen visible until the startup state is `Ready`. - Modify `ApplicationScaffold` to accept a `startRoute` and configure navigation graphs for `Authenticated`, `Unauthenticated`, and `InitializationError` destinations. - Expand `Navigation` sealed class with nested `Authenticated` and `Unauthenticated` route structures. - Add unit tests for `ApplicationViewModel` covering signed-in, signed-out, and initialization error scenarios.
- Create a new Android library module `feature:authenticate` with namespace `eu.project.authenticate`. - Configure `build.gradle.kts` with `compileSdk` 36, `minSdk` 26, Java 11 compatibility, and Compose support. - Add dependencies for Hilt (via KSP), Jetpack Compose, Navigation, and Kotlin Serialization. - Include internal project dependencies for `:ui`, `:common`, and `:auth`. - Register the `:feature:authenticate` module in `settings.gradle.kts`. - Add standard ProGuard and gitignore configurations for the new module.
- Create `SignInWithGoogleResult` sealed interface to represent Success, Canceled, and Unknown failure states. - Update `AuthnManager` interface and `AuthnManagerImpl` to handle the Google Sign-In flow internally using `GoogleCredentialManager` and `NonceGenerator`. - Refactor `signInWithGoogle` to no longer require external parameters, returning a `SignInWithGoogleResult` instead. - Update `AuthModule` to inject `GoogleCredentialManager` into `AuthnManagerImpl`.
- Add `ContentHolder` component to provide a consistent background and fullscreen container for screen content. - Add `SplitContent` component to divide the screen into two equal vertically weighted sections with customizable arrangements. - Add `LoadingContent` component utilizing `SplitContent` to display a loading indicator and supporting text. - Integrate testing tags and theme styling across all new components.
- Implement `WelcomeScreenViewModel` using Hilt, managing state via `MutableStateFlow` and handling the `ClickContinueWithGoogle` intent. - Integrate `AuthnManager` for Google Sign-In and `CrashlyticsManager` for error reporting within the ViewModel. - Add comprehensive unit tests for `WelcomeScreenViewModel` using MockK, Turbine, and `kotlinx-coroutines-test`. - Update `feature/authenticate/build.gradle.kts` with testing dependencies for MockK, Turbine, and Coroutines.
- Implement `WelcomeScreenViewModel` using Hilt, managing state via `MutableStateFlow` and handling the `ClickContinueWithGoogle` intent. - Integrate `AuthnManager` for Google Sign-In and `CrashlyticsManager` for error reporting within the ViewModel. - Add comprehensive unit tests for `WelcomeScreenViewModel` using MockK, Turbine, and `kotlinx-coroutines-test`. - Update `feature/authenticate/build.gradle.kts` with testing dependencies for MockK, Turbine, and Coroutines.
- Move `HomeScreen` from the root `Navigation` object to `Navigation.Authenticated`. - Update the `scaffold` module to include the `:feature:authenticate` dependency. - Replace placeholder navigation blocks in `ApplicationScaffold.kt` with `welcomeImpl` and `homeImpl` extensions. - Rename `welcomeScreenImpl` to `welcomeImpl` and update its corresponding file name. - Update `popUpTo` references in `SavedWordsImpl.kt` and `ExportWordsImpl.kt` to point to the new `Navigation.Authenticated.HomeScreen` route. - Remove unused imports and redundant composable declarations in `ApplicationScaffold.kt`.
- Replace `UnconfinedTestDispatcher` with `StandardTestDispatcher` as the default dispatcher in `MainDispatcherRule`. - Update imports in `WelcomeScreenViewModelTest.kt` to reflect the change.
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