Implement login/logout functionality

app/src/main/java/gq/kirmanak/mealient/MainActivity.kt

@@ -9,6 +9,9 @@ import com.google.android.material.shape.CornerFamily
 import com.google.android.material.shape.MaterialShapeDrawable
 import dagger.hilt.android.AndroidEntryPoint
 import gq.kirmanak.mealient.databinding.MainActivityBinding
+import gq.kirmanak.mealient.ui.auth.AuthenticationState
+import gq.kirmanak.mealient.ui.auth.AuthenticationState.AUTHORIZED
+import gq.kirmanak.mealient.ui.auth.AuthenticationState.UNAUTHORIZED
 import gq.kirmanak.mealient.ui.auth.AuthenticationViewModel
 import timber.log.Timber
 
@@ -16,7 +19,8 @@ import timber.log.Timber
 class MainActivity : AppCompatActivity() {
     private lateinit var binding: MainActivityBinding
     private val authViewModel by viewModels<AuthenticationViewModel>()
-    private var isAuthenticated = false
+    private val authenticationState: AuthenticationState
+        get() = authViewModel.currentAuthenticationState
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
@@ -48,32 +52,34 @@ class MainActivity : AppCompatActivity() {
 
     private fun listenToAuthStatuses() {
         Timber.v("listenToAuthStatuses() called")
-        authViewModel.authenticationStatuses().observe(this) {
+        authViewModel.authenticationState.observe(this, ::onAuthStateUpdate)
-            changeAuthStatus(it)
-        }
     }
 
-    private fun changeAuthStatus(it: Boolean) {
+    private fun onAuthStateUpdate(authState: AuthenticationState) {
-        Timber.v("changeAuthStatus() called with: it = $it")
+        Timber.v("onAuthStateUpdate() called with: it = $authState")
-        if (isAuthenticated == it) return
-        isAuthenticated = it
         invalidateOptionsMenu()
     }
 
     override fun onCreateOptionsMenu(menu: Menu): Boolean {
         Timber.v("onCreateOptionsMenu() called with: menu = $menu")
         menuInflater.inflate(R.menu.main_toolbar, menu)
-        menu.findItem(R.id.logout).isVisible = isAuthenticated
+        menu.findItem(R.id.logout).isVisible = authenticationState == AUTHORIZED
+        menu.findItem(R.id.login).isVisible = authenticationState == UNAUTHORIZED
         return true
     }
 
     override fun onOptionsItemSelected(item: MenuItem): Boolean {
         Timber.v("onOptionsItemSelected() called with: item = $item")
-        val result = if (item.itemId == R.id.logout) {
+        val result = when (item.itemId) {
+            R.id.logout -> {
                 authViewModel.logout()
                 true
-        } else {
+            }
-            super.onOptionsItemSelected(item)
+            R.id.login -> {
+                authViewModel.login()
+                true
+            }
+            else -> super.onOptionsItemSelected(item)
         }
         return result
     }

app/src/main/java/gq/kirmanak/mealient/data/auth/AuthRepo.kt

@@ -4,13 +4,13 @@ import kotlinx.coroutines.flow.Flow
 
 interface AuthRepo {
 
+    val isAuthorizedFlow: Flow<Boolean>
+
     suspend fun authenticate(username: String, password: String)
 
     suspend fun getAuthHeader(): String?
 
     suspend fun requireAuthHeader(): String
 
-    fun authenticationStatuses(): Flow<Boolean>
-
     suspend fun logout()
 }

app/src/main/java/gq/kirmanak/mealient/data/auth/AuthStorage.kt

@@ -3,11 +3,12 @@ package gq.kirmanak.mealient.data.auth
 import kotlinx.coroutines.flow.Flow
 
 interface AuthStorage {
+
+    val authHeaderFlow: Flow<String?>
+
     suspend fun storeAuthData(authHeader: String)
 
     suspend fun getAuthHeader(): String?
 
-    fun authHeaderObservable(): Flow<String?>
-
     suspend fun clearAuthData()
 }

app/src/main/java/gq/kirmanak/mealient/data/auth/impl/AuthRepoImpl.kt

@@ -15,6 +15,9 @@ class AuthRepoImpl @Inject constructor(
     private val storage: AuthStorage,
 ) : AuthRepo {
 
+    override val isAuthorizedFlow: Flow<Boolean>
+        get() = storage.authHeaderFlow.map { it != null }
+
     override suspend fun authenticate(username: String, password: String) {
         Timber.v("authenticate() called with: username = $username, password = $password")
         val accessToken = dataSource.authenticate(username, password)
@@ -27,11 +30,6 @@ class AuthRepoImpl @Inject constructor(
     override suspend fun requireAuthHeader(): String =
         checkNotNull(getAuthHeader()) { "Auth header is null when it was required" }
 
-    override fun authenticationStatuses(): Flow<Boolean> {
-        Timber.v("authenticationStatuses() called")
-        return storage.authHeaderObservable().map { it != null }
-    }
-
     override suspend fun logout() {
         Timber.v("logout() called")
         storage.clearAuthData()

app/src/main/java/gq/kirmanak/mealient/data/auth/impl/AuthStorageImpl.kt

@@ -1,5 +1,6 @@
 package gq.kirmanak.mealient.data.auth.impl
 
+import androidx.datastore.preferences.core.Preferences
 import gq.kirmanak.mealient.data.auth.AuthStorage
 import gq.kirmanak.mealient.data.storage.PreferencesStorage
 import kotlinx.coroutines.flow.Flow
@@ -12,7 +13,10 @@ class AuthStorageImpl @Inject constructor(
     private val preferencesStorage: PreferencesStorage,
 ) : AuthStorage {
 
-    private val authHeaderKey by preferencesStorage::authHeaderKey
+    private val authHeaderKey: Preferences.Key<String>
+        get() = preferencesStorage.authHeaderKey
+    override val authHeaderFlow: Flow<String?>
+        get() = preferencesStorage.valueUpdates(authHeaderKey)
 
     override suspend fun storeAuthData(authHeader: String) {
         Timber.v("storeAuthData() called with: authHeader = $authHeader")
@@ -26,11 +30,6 @@ class AuthStorageImpl @Inject constructor(
         return token
     }
 
-    override fun authHeaderObservable(): Flow<String?> {
-        Timber.v("authHeaderObservable() called")
-        return preferencesStorage.valueUpdates(authHeaderKey)
-    }
-
     override suspend fun clearAuthData() {
         Timber.v("clearAuthData() called")
         preferencesStorage.removeValues(authHeaderKey)

app/src/main/java/gq/kirmanak/mealient/data/baseurl/BaseURLStorageImpl.kt

@@ -1,5 +1,6 @@
 package gq.kirmanak.mealient.data.baseurl
 
+import androidx.datastore.preferences.core.Preferences
 import gq.kirmanak.mealient.data.storage.PreferencesStorage
 import javax.inject.Inject
 import javax.inject.Singleton
@@ -9,7 +10,8 @@ class BaseURLStorageImpl @Inject constructor(
     private val preferencesStorage: PreferencesStorage,
 ) : BaseURLStorage {
 
-    private val baseUrlKey by preferencesStorage::baseUrlKey
+    private val baseUrlKey: Preferences.Key<String>
+        get() = preferencesStorage.baseUrlKey
 
     override suspend fun getBaseURL(): String? = preferencesStorage.getValue(baseUrlKey)
 

app/src/main/java/gq/kirmanak/mealient/data/disclaimer/DisclaimerStorage.kt

@@ -1,6 +1,11 @@
 package gq.kirmanak.mealient.data.disclaimer
 
+import kotlinx.coroutines.flow.Flow
+
 interface DisclaimerStorage {
+
+    val isDisclaimerAcceptedFlow: Flow<Boolean>
+
     suspend fun isDisclaimerAccepted(): Boolean
 
     suspend fun acceptDisclaimer()

app/src/main/java/gq/kirmanak/mealient/data/disclaimer/DisclaimerStorageImpl.kt

@@ -1,6 +1,9 @@
 package gq.kirmanak.mealient.data.disclaimer
 
+import androidx.datastore.preferences.core.Preferences
 import gq.kirmanak.mealient.data.storage.PreferencesStorage
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.map
 import timber.log.Timber
 import javax.inject.Inject
 import javax.inject.Singleton
@@ -10,7 +13,10 @@ class DisclaimerStorageImpl @Inject constructor(
     private val preferencesStorage: PreferencesStorage,
 ) : DisclaimerStorage {
 
-    private val isDisclaimerAcceptedKey by preferencesStorage::isDisclaimerAcceptedKey
+    private val isDisclaimerAcceptedKey: Preferences.Key<Boolean>
+        get() = preferencesStorage.isDisclaimerAcceptedKey
+    override val isDisclaimerAcceptedFlow: Flow<Boolean>
+        get() = preferencesStorage.valueUpdates(isDisclaimerAcceptedKey).map { it == true }
 
     override suspend fun isDisclaimerAccepted(): Boolean {
         Timber.v("isDisclaimerAccepted() called")

app/src/main/java/gq/kirmanak/mealient/ui/auth/AuthenticationFragment.kt

@@ -4,8 +4,8 @@ import android.os.Bundle
 import android.view.View
 import androidx.appcompat.app.AppCompatActivity
 import androidx.fragment.app.Fragment
-import androidx.fragment.app.viewModels
+import androidx.fragment.app.activityViewModels
-import androidx.lifecycle.Observer
+import androidx.lifecycle.LiveData
 import androidx.lifecycle.lifecycleScope
 import androidx.navigation.fragment.findNavController
 import by.kirich1409.viewbindingdelegate.viewBinding
@@ -19,22 +19,15 @@ import timber.log.Timber
 @AndroidEntryPoint
 class AuthenticationFragment : Fragment(R.layout.fragment_authentication) {
     private val binding by viewBinding(FragmentAuthenticationBinding::bind)
-    private val viewModel by viewModels<AuthenticationViewModel>()
+    private val viewModel by activityViewModels<AuthenticationViewModel>()
 
-    private val authStatuses by lazy { viewModel.authenticationStatuses() }
+    private val authStatuses: LiveData<AuthenticationState>
-    private val authStatusObserver = Observer<Boolean> { onAuthStatusChange(it) }
+        get() = viewModel.authenticationState
-    private fun onAuthStatusChange(isAuthenticated: Boolean) {
-        Timber.v("onAuthStatusChange() called with: isAuthenticated = $isAuthenticated")
-        if (isAuthenticated) {
-            authStatuses.removeObserver(authStatusObserver)
-            navigateToRecipes()
-        }
-    }
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         Timber.v("onCreate() called with: savedInstanceState = $savedInstanceState")
-        authStatuses.observe(this, authStatusObserver)
+        authStatuses.observe(this, ::onAuthStatusChange)
     }
 
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
@@ -45,9 +38,11 @@ class AuthenticationFragment : Fragment(R.layout.fragment_authentication) {
             getString(R.string.app_name)
     }
 
-    private fun navigateToRecipes() {
+    private fun onAuthStatusChange(isAuthenticated: AuthenticationState) {
-        Timber.v("navigateToRecipes() called")
+        Timber.v("onAuthStatusChange() called with: isAuthenticated = $isAuthenticated")
-        findNavController().navigate(AuthenticationFragmentDirections.actionAuthenticationFragmentToRecipesFragment())
+        if (isAuthenticated == AuthenticationState.AUTHORIZED) {
+            findNavController().popBackStack()
+        }
     }
 
     private fun onLoginClicked(): Unit = with(binding) {

app/src/main/java/gq/kirmanak/mealient/ui/auth/AuthenticationState.kt

@@ -0,0 +1,26 @@
+package gq.kirmanak.mealient.ui.auth
+
+import timber.log.Timber
+
+enum class AuthenticationState {
+    AUTHORIZED,
+    AUTH_REQUESTED,
+    UNAUTHORIZED;
+
+    companion object {
+
+        fun determineState(
+            isLoginRequested: Boolean,
+            isAuthorized: Boolean,
+        ): AuthenticationState {
+            Timber.v("determineState() called with: isLoginRequested = $isLoginRequested, isAuthorized = $isAuthorized")
+            val result = when {
+                isAuthorized -> AUTHORIZED
+                isLoginRequested -> AUTH_REQUESTED
+                else -> UNAUTHORIZED
+            }
+            Timber.v("determineState() returned: $result")
+            return result
+        }
+    }
+}

app/src/main/java/gq/kirmanak/mealient/ui/auth/AuthenticationViewModel.kt

@@ -3,7 +3,8 @@ package gq.kirmanak.mealient.ui.auth
 import androidx.lifecycle.*
 import dagger.hilt.android.lifecycle.HiltViewModel
 import gq.kirmanak.mealient.data.auth.AuthRepo
-import gq.kirmanak.mealient.data.recipes.RecipeRepo
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.combine
 import kotlinx.coroutines.launch
 import timber.log.Timber
 import javax.inject.Inject
@@ -11,9 +12,16 @@ import javax.inject.Inject
 @HiltViewModel
 class AuthenticationViewModel @Inject constructor(
     private val authRepo: AuthRepo,
-    private val recipeRepo: RecipeRepo
 ) : ViewModel() {
 
+    private val loginRequestsFlow = MutableStateFlow(false)
+    val authenticationState: LiveData<AuthenticationState> = loginRequestsFlow.combine(
+        flow = authRepo.isAuthorizedFlow,
+        transform = AuthenticationState::determineState
+    ).asLiveData()
+    val currentAuthenticationState: AuthenticationState
+        get() = checkNotNull(authenticationState.value) { "Auth state flow mustn't be null" }
+
     fun authenticate(username: String, password: String): LiveData<Result<Unit>> {
         Timber.v("authenticate() called with: username = $username, password = $password")
         val result = MutableLiveData<Result<Unit>>()
@@ -31,16 +39,16 @@ class AuthenticationViewModel @Inject constructor(
         return result
     }
 
-    fun authenticationStatuses(): LiveData<Boolean> {
-        Timber.v("authenticationStatuses() called")
-        return authRepo.authenticationStatuses().asLiveData()
-    }
-
     fun logout() {
         Timber.v("logout() called")
         viewModelScope.launch {
+            loginRequestsFlow.emit(false)
             authRepo.logout()
-            recipeRepo.clearLocalData()
         }
     }
+
+    fun login() {
+        Timber.v("login() called")
+        viewModelScope.launch { loginRequestsFlow.emit(true) }
+    }
 }

app/src/main/java/gq/kirmanak/mealient/ui/baseurl/BaseURLFragment.kt

@@ -4,12 +4,14 @@ import android.os.Bundle
 import android.view.View
 import androidx.fragment.app.Fragment
 import androidx.fragment.app.viewModels
+import androidx.lifecycle.lifecycleScope
 import androidx.navigation.fragment.findNavController
 import by.kirich1409.viewbindingdelegate.viewBinding
 import dagger.hilt.android.AndroidEntryPoint
 import gq.kirmanak.mealient.R
 import gq.kirmanak.mealient.data.network.NetworkError
 import gq.kirmanak.mealient.databinding.FragmentBaseUrlBinding
+import gq.kirmanak.mealient.ui.checkIfInputIsEmpty
 import timber.log.Timber
 
 @AndroidEntryPoint
@@ -22,9 +24,15 @@ class BaseURLFragment : Fragment(R.layout.fragment_base_url) {
         super.onViewCreated(view, savedInstanceState)
         Timber.v("onViewCreated() called with: view = $view, savedInstanceState = $savedInstanceState")
         viewModel.screenState.observe(viewLifecycleOwner, ::updateState)
-        binding.button.setOnClickListener {
+        binding.button.setOnClickListener(::onProceedClick)
-            viewModel.saveBaseUrl(binding.urlInput.text.toString())
     }
+
+    private fun onProceedClick(view: View) {
+        Timber.v("onProceedClick() called with: view = $view")
+        val url = binding.urlInput.checkIfInputIsEmpty(binding.urlInputLayout, lifecycleScope) {
+            getString(R.string.fragment_baseurl_url_input_empty)
+        } ?: return
+        viewModel.saveBaseUrl(url)
     }
 
     private fun updateState(baseURLScreenState: BaseURLScreenState) {

app/src/main/java/gq/kirmanak/mealient/ui/baseurl/BaseURLViewModel.kt

@@ -24,15 +24,20 @@ class BaseURLViewModel @Inject constructor(
         private set(value) {
             _screenState.value = value
         }
-    val screenState: LiveData<BaseURLScreenState> by ::_screenState
+    val screenState: LiveData<BaseURLScreenState>
+        get() = _screenState
 
     fun saveBaseUrl(baseURL: String) {
         Timber.v("saveBaseUrl() called with: baseURL = $baseURL")
-        viewModelScope.launch { checkBaseURL(baseURL) }
+        val hasPrefix = ALLOWED_PREFIXES.any { baseURL.startsWith(it) }
+        val url = baseURL.takeIf { hasPrefix } ?: WITH_PREFIX_FORMAT.format(baseURL)
+        viewModelScope.launch { checkBaseURL(url) }
     }
 
     private suspend fun checkBaseURL(baseURL: String) {
+        Timber.v("checkBaseURL() called with: baseURL = $baseURL")
         val version = try {
+            // If it returns proper version info then it must be a Mealie
             versionDataSource.getVersionInfo(baseURL)
         } catch (e: NetworkError) {
             Timber.e(e, "checkBaseURL: can't get version info")
@@ -43,4 +48,9 @@ class BaseURLViewModel @Inject constructor(
         baseURLStorage.storeBaseURL(baseURL)
         currentScreenState = BaseURLScreenState(null, true)
     }
+
+    companion object {
+        private val ALLOWED_PREFIXES = listOf("http://", "https://")
+        private const val WITH_PREFIX_FORMAT = "https://%s"
+    }
 }

app/src/main/java/gq/kirmanak/mealient/ui/disclaimer/DisclaimerFragment.kt

@@ -20,16 +20,12 @@ class DisclaimerFragment : Fragment(R.layout.fragment_disclaimer) {
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         Timber.v("onCreate() called with: savedInstanceState = $savedInstanceState")
-        listenToAcceptStatus()
+        viewModel.isAccepted.observe(this, ::onAcceptStateChange)
     }
 
-    private fun listenToAcceptStatus() {
+    private fun onAcceptStateChange(isAccepted: Boolean) {
-        Timber.v("listenToAcceptStatus() called")
+        Timber.v("onAcceptStateChange() called with: isAccepted = $isAccepted")
-        viewModel.isAccepted.observe(this) {
+        if (isAccepted) navigateNext()
-            Timber.d("listenToAcceptStatus: new status = $it")
-            if (it) navigateNext()
-        }
-        viewModel.checkIsAccepted()
     }
 
     private fun navigateNext() {

app/src/main/java/gq/kirmanak/mealient/ui/disclaimer/DisclaimerViewModel.kt

@@ -1,10 +1,7 @@
 package gq.kirmanak.mealient.ui.disclaimer
 
 import androidx.annotation.VisibleForTesting
-import androidx.lifecycle.LiveData
+import androidx.lifecycle.*
-import androidx.lifecycle.MutableLiveData
-import androidx.lifecycle.ViewModel
-import androidx.lifecycle.viewModelScope
 import dagger.hilt.android.lifecycle.HiltViewModel
 import gq.kirmanak.mealient.data.disclaimer.DisclaimerStorage
 import kotlinx.coroutines.delay
@@ -21,25 +18,15 @@ import javax.inject.Inject
 class DisclaimerViewModel @Inject constructor(
     private val disclaimerStorage: DisclaimerStorage
 ) : ViewModel() {
-    private val _isAccepted = MutableLiveData(false)
+    val isAccepted: LiveData<Boolean>
-    val isAccepted: LiveData<Boolean> = _isAccepted
+        get() = disclaimerStorage.isDisclaimerAcceptedFlow.asLiveData()
 
     private val _okayCountDown = MutableLiveData(FULL_COUNT_DOWN_SEC)
     val okayCountDown: LiveData<Int> = _okayCountDown
 
-    fun checkIsAccepted() {
-        Timber.v("checkIsAccepted() called")
-        viewModelScope.launch {
-            _isAccepted.value = disclaimerStorage.isDisclaimerAccepted()
-        }
-    }
-
     fun acceptDisclaimer() {
         Timber.v("acceptDisclaimer() called")
-        viewModelScope.launch {
+        viewModelScope.launch { disclaimerStorage.acceptDisclaimer() }
-            disclaimerStorage.acceptDisclaimer()
-            _isAccepted.value = true
-        }
     }
 
     fun startCountDown() {

app/src/main/java/gq/kirmanak/mealient/ui/recipes/RecipesFragment.kt

@@ -4,6 +4,7 @@ import android.os.Bundle
 import android.view.View
 import androidx.appcompat.app.AppCompatActivity
 import androidx.fragment.app.Fragment
+import androidx.fragment.app.activityViewModels
 import androidx.fragment.app.viewModels
 import androidx.lifecycle.lifecycleScope
 import androidx.navigation.fragment.findNavController
@@ -12,6 +13,8 @@ import dagger.hilt.android.AndroidEntryPoint
 import gq.kirmanak.mealient.R
 import gq.kirmanak.mealient.data.recipes.db.entity.RecipeSummaryEntity
 import gq.kirmanak.mealient.databinding.FragmentRecipesBinding
+import gq.kirmanak.mealient.ui.auth.AuthenticationState
+import gq.kirmanak.mealient.ui.auth.AuthenticationViewModel
 import gq.kirmanak.mealient.ui.refreshesLiveData
 import kotlinx.coroutines.flow.collect
 import timber.log.Timber
@@ -20,6 +23,19 @@ import timber.log.Timber
 class RecipesFragment : Fragment(R.layout.fragment_recipes) {
     private val binding by viewBinding(FragmentRecipesBinding::bind)
     private val viewModel by viewModels<RecipeViewModel>()
+    private val authViewModel by activityViewModels<AuthenticationViewModel>()
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        authViewModel.authenticationState.observe(this, ::onAuthStateChange)
+    }
+
+    private fun onAuthStateChange(authenticationState: AuthenticationState) {
+        Timber.v("onAuthStateChange() called with: authenticationState = $authenticationState")
+        if (authenticationState == AuthenticationState.AUTH_REQUESTED) {
+            findNavController().navigate(RecipesFragmentDirections.actionRecipesFragmentToAuthenticationFragment())
+        }
+    }
 
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)

app/src/main/java/gq/kirmanak/mealient/ui/recipes/info/RecipeInfoViewModel.kt

@@ -24,9 +24,11 @@ constructor(
 ) : ViewModel() {
 
     private val _recipeInfo = MutableLiveData<FullRecipeInfo>()
-    val recipeInfo: LiveData<FullRecipeInfo> by ::_recipeInfo
+    val recipeInfo: LiveData<FullRecipeInfo>
+        get() = _recipeInfo
     private val _listsVisibility = MutableLiveData(RecipeInfoListsVisibility())
-    val listsVisibility: LiveData<RecipeInfoListsVisibility> by ::_listsVisibility
+    val listsVisibility: LiveData<RecipeInfoListsVisibility>
+        get() = _listsVisibility
 
     fun loadRecipeImage(view: ImageView, recipeSlug: String) {
         Timber.v("loadRecipeImage() called with: view = $view, recipeSlug = $recipeSlug")

app/src/main/java/gq/kirmanak/mealient/ui/splash/SplashFragment.kt

@@ -5,6 +5,7 @@ import android.view.View
 import androidx.appcompat.app.AppCompatActivity
 import androidx.fragment.app.Fragment
 import androidx.fragment.app.viewModels
+import androidx.navigation.NavDirections
 import androidx.navigation.fragment.findNavController
 import dagger.hilt.android.AndroidEntryPoint
 import gq.kirmanak.mealient.R
@@ -19,10 +20,12 @@ class SplashFragment : Fragment(R.layout.fragment_splash) {
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         Timber.v("onCreate() called with: savedInstanceState = $savedInstanceState")
-        viewModel.nextDestination.observe(this) {
+        viewModel.nextDestination.observe(this, ::onNextDestination)
-            Timber.d("onCreate: next destination $it")
-            findNavController().navigate(it)
     }
+
+    private fun onNextDestination(navDirections: NavDirections) {
+        Timber.v("onNextDestination() called with: navDirections = $navDirections")
+        findNavController().navigate(navDirections)
     }
 
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {

app/src/main/res/menu/main_toolbar.xml

@@ -2,6 +2,12 @@
 <menu xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto">
 
+    <item
+        android:id="@+id/login"
+        android:contentDescription="@string/menu_main_toolbar_content_description_login"
+        android:title="@string/menu_main_toolbar_login"
+        app:showAsAction="never" />
+
     <item
         android:id="@+id/logout"
         android:contentDescription="@string/menu_main_toolbar_content_description_logout"

app/src/main/res/navigation/nav_graph.xml

@@ -9,13 +9,7 @@
 		android:id="@+id/authenticationFragment"
 		android:name="gq.kirmanak.mealient.ui.auth.AuthenticationFragment"
 		android:label="AuthenticationFragment"
-		tools:layout="@layout/fragment_authentication">
+		tools:layout="@layout/fragment_authentication" />
-		<action
-			android:id="@+id/action_authenticationFragment_to_recipesFragment"
-			app:destination="@id/recipesFragment"
-			app:popUpTo="@id/nav_graph"
-			app:popUpToInclusive="true" />
-	</fragment>
 	<fragment
 		android:id="@+id/recipesFragment"
 		android:name="gq.kirmanak.mealient.ui.recipes.RecipesFragment"
@@ -23,9 +17,7 @@
 		tools:layout="@layout/fragment_recipes">
 		<action
 			android:id="@+id/action_recipesFragment_to_authenticationFragment"
-			app:destination="@id/authenticationFragment"
+			app:destination="@id/authenticationFragment" />
-			app:popUpTo="@id/nav_graph"
-			app:popUpToInclusive="true" />
 		<action
 			android:id="@+id/action_recipesFragment_to_recipeInfoFragment"
 			app:destination="@id/recipeInfoFragment" />
@@ -58,11 +50,6 @@
 		android:name="gq.kirmanak.mealient.ui.splash.SplashFragment"
 		android:label="fragment_splash"
 		tools:layout="@layout/fragment_splash">
-		<action
-			android:id="@+id/action_splashFragment_to_authenticationFragment"
-			app:destination="@id/authenticationFragment"
-			app:popUpTo="@id/nav_graph"
-			app:popUpToInclusive="true" />
 		<action
 			android:id="@+id/action_splashFragment_to_disclaimerFragment"
 			app:destination="@id/disclaimerFragment"

app/src/main/res/values-ru/strings.xml

@@ -14,11 +14,12 @@
 	<string name="fragment_disclaimer_main_text">Этот проект разрабатывается независимо от основного проекта Meale. Он не связан с разработчиками Mealie. О любых проблемах следует писать в репозиторий Mealient, НЕ в репозиторий Mealie.</string>
 	<string name="fragment_authentication_email_input_empty">E-mail не может быть пустым</string>
 	<string name="fragment_authentication_password_input_empty">Пароль не может быть пустым</string>
-	<string name="fragment_authentication_url_input_empty">URL не может быть пустым</string>
+	<string name="fragment_baseurl_url_input_empty">URL не может быть пустым</string>
 	<string name="fragment_authentication_credentials_incorrect">E-mail или пароль не подходит.</string>
 	<string name="fragment_base_url_no_connection">Ошибка подключения, проверьте адрес.</string>
 	<string name="fragment_base_url_unexpected_response">Неожиданный ответ. Это Mealie?</string>
 	<string name="fragment_authentication_unknown_error">Что-то пошло не так, попробуйте еще раз.</string>
 	<string name="fragment_base_url_malformed_url">Проверьте формат URL: %s</string>
 	<string name="fragment_base_url_save">Продолжить</string>
+	<string name="menu_main_toolbar_login">Войти</string>
 </resources>

app/src/main/res/values/strings.xml

@@ -16,7 +16,7 @@
 	<string name="view_holder_recipe_instructions_step">Step: %d</string>
 	<string name="fragment_authentication_email_input_empty">E-mail can\'t be empty</string>
 	<string name="fragment_authentication_password_input_empty">Password can\'t be empty</string>
-	<string name="fragment_authentication_url_input_empty">URL can\'t be empty</string>
+	<string name="fragment_baseurl_url_input_empty">URL can\'t be empty</string>
 	<string name="fragment_authentication_credentials_incorrect">E-mail or password is incorrect.</string>
 	<string name="fragment_base_url_no_connection">Can\'t connect, check address.</string>
 	<string name="fragment_base_url_unexpected_response">Unexpected response. Is it Mealie?</string>
@@ -24,4 +24,6 @@
 	<string name="fragment_base_url_malformed_url">Check URL format: %s</string>
 	<string name="fragment_base_url_save">Proceed</string>
 	<string name="fragment_base_url_unknown_error" translatable="false">@string/fragment_authentication_unknown_error</string>
+	<string name="menu_main_toolbar_content_description_login" translatable="false">@string/menu_main_toolbar_login</string>
+	<string name="menu_main_toolbar_login">Login</string>
 </resources>

app/src/test/java/gq/kirmanak/mealient/data/auth/impl/AuthRepoImplTest.kt

@@ -39,14 +39,14 @@ class AuthRepoImplTest : RobolectricTest() {
 
     @Test
     fun `when not authenticated then first auth status is false`() = runTest {
-        coEvery { storage.authHeaderObservable() } returns flowOf(null)
+        coEvery { storage.authHeaderFlow } returns flowOf(null)
-        assertThat(subject.authenticationStatuses().first()).isFalse()
+        assertThat(subject.isAuthorizedFlow.first()).isFalse()
     }
 
     @Test
     fun `when authenticated then first auth status is true`() = runTest {
-        coEvery { storage.authHeaderObservable() } returns flowOf(TEST_AUTH_HEADER)
+        coEvery { storage.authHeaderFlow } returns flowOf(TEST_AUTH_HEADER)
-        assertThat(subject.authenticationStatuses().first()).isTrue()
+        assertThat(subject.isAuthorizedFlow.first()).isTrue()
     }
 
     @Test(expected = Unauthorized::class)

app/src/test/java/gq/kirmanak/mealient/data/auth/impl/AuthStorageImplTest.kt

@@ -35,20 +35,20 @@ class AuthStorageImplTest : HiltRobolectricTest() {
 
     @Test
     fun `when didn't store auth data then first token is null`() = runTest {
-        assertThat(subject.authHeaderObservable().first()).isNull()
+        assertThat(subject.authHeaderFlow.first()).isNull()
     }
 
     @Test
     fun `when stored auth data then first token is correct`() = runTest {
         subject.storeAuthData(TEST_AUTH_HEADER)
-        assertThat(subject.authHeaderObservable().first()).isEqualTo(TEST_AUTH_HEADER)
+        assertThat(subject.authHeaderFlow.first()).isEqualTo(TEST_AUTH_HEADER)
     }
 
     @Test
     fun `when clearAuthData then first token is null`() = runTest {
         subject.storeAuthData(TEST_AUTH_HEADER)
         subject.clearAuthData()
-        assertThat(subject.authHeaderObservable().first()).isNull()
+        assertThat(subject.authHeaderFlow.first()).isNull()
     }
 
     @Test