Set base url through Interceptor

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

@@ -19,18 +19,16 @@ class AuthDataSourceImpl @Inject constructor(
 
     private suspend fun getVersion(): ServerVersion = serverInfoRepo.getVersion()
 
-    private suspend fun getUrl(): String = serverInfoRepo.requireUrl()
-
     override suspend fun authenticate(
         username: String,
         password: String,
     ): String = when (getVersion()) {
-        ServerVersion.V0 -> v0Source.authenticate(getUrl(), username, password)
+        ServerVersion.V0 -> v0Source.authenticate(username, password)
-        ServerVersion.V1 -> v1Source.authenticate(getUrl(), username, password)
+        ServerVersion.V1 -> v1Source.authenticate(username, password)
     }
 
     override suspend fun createApiToken(name: String): String = when (getVersion()) {
-        ServerVersion.V0 -> v0Source.createApiToken(getUrl(), CreateApiTokenRequestV0(name))
+        ServerVersion.V0 -> v0Source.createApiToken(CreateApiTokenRequestV0(name))
-        ServerVersion.V1 -> v1Source.createApiToken(getUrl(), CreateApiTokenRequestV1(name)).token
+        ServerVersion.V1 -> v1Source.createApiToken(CreateApiTokenRequestV1(name)).token
     }
 }

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

@@ -4,10 +4,9 @@ interface ServerInfoRepo {
 
     suspend fun getUrl(): String?
 
-    suspend fun requireUrl(): String
-
     suspend fun getVersion(): ServerVersion
 
-    suspend fun storeBaseURL(baseURL: String, version: String)
+    suspend fun tryBaseURL(baseURL: String): Result<Unit>
+
 }
 

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

@@ -1,6 +1,8 @@
 package gq.kirmanak.mealient.data.baseurl
 
 import gq.kirmanak.mealient.datasource.NetworkError
+import gq.kirmanak.mealient.datasource.ServerUrlProvider
+import gq.kirmanak.mealient.datasource.runCatchingExceptCancel
 import gq.kirmanak.mealient.logging.Logger
 import javax.inject.Inject
 import javax.inject.Singleton
@@ -10,7 +12,7 @@ class ServerInfoRepoImpl @Inject constructor(
     private val serverInfoStorage: ServerInfoStorage,
     private val versionDataSource: VersionDataSource,
     private val logger: Logger,
-) : ServerInfoRepo {
+) : ServerInfoRepo, ServerUrlProvider {
 
     override suspend fun getUrl(): String? {
         val result = serverInfoStorage.getBaseURL()
@@ -18,17 +20,11 @@ class ServerInfoRepoImpl @Inject constructor(
         return result
     }
 
-    override suspend fun requireUrl(): String {
-        val result = checkNotNull(getUrl()) { "Server URL was null when it was required" }
-        logger.v { "requireUrl() returned: $result" }
-        return result
-    }
-
     override suspend fun getVersion(): ServerVersion {
         var version = serverInfoStorage.getServerVersion()
         val serverVersion = if (version == null) {
             logger.d { "getVersion: version is null, requesting" }
-            version = versionDataSource.getVersionInfo(requireUrl()).version
+            version = versionDataSource.getVersionInfo().version
             val result = determineServerVersion(version)
             serverInfoStorage.storeServerVersion(version)
             result
@@ -45,8 +41,16 @@ class ServerInfoRepoImpl @Inject constructor(
         else -> throw NetworkError.NotMealie(IllegalStateException("Server version is unknown: $version"))
     }
 
-    override suspend fun storeBaseURL(baseURL: String, version: String) {
+    override suspend fun tryBaseURL(baseURL: String): Result<Unit> {
-        logger.v { "storeBaseURL() called with: baseURL = $baseURL, version = $version" }
+        val oldVersion = serverInfoStorage.getServerVersion()
-        serverInfoStorage.storeBaseURL(baseURL, version)
+        val oldBaseUrl = serverInfoStorage.getBaseURL()
+
+        return runCatchingExceptCancel {
+            serverInfoStorage.storeBaseURL(baseURL)
+            val version = versionDataSource.getVersionInfo().version
+            serverInfoStorage.storeServerVersion(version)
+        }.onFailure {
+            serverInfoStorage.storeBaseURL(oldBaseUrl, oldVersion)
+        }
     }
 }

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

@@ -4,9 +4,12 @@ interface ServerInfoStorage {
 
     suspend fun getBaseURL(): String?
 
-    suspend fun storeBaseURL(baseURL: String, version: String)
+    suspend fun storeBaseURL(baseURL: String)
+
+    suspend fun storeBaseURL(baseURL: String?, version: String?)
 
     suspend fun storeServerVersion(version: String)
 
     suspend fun getServerVersion(): String?
+
 }

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

@@ -2,5 +2,5 @@ package gq.kirmanak.mealient.data.baseurl
 
 interface VersionDataSource {
 
-    suspend fun getVersionInfo(baseUrl: String): VersionInfo
+    suspend fun getVersionInfo(): VersionInfo
 }

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

@@ -16,13 +16,13 @@ class VersionDataSourceImpl @Inject constructor(
     private val v1Source: MealieDataSourceV1,
 ) : VersionDataSource {
 
-    override suspend fun getVersionInfo(baseUrl: String): VersionInfo {
+    override suspend fun getVersionInfo(): VersionInfo {
         val responses = coroutineScope {
             val v0Deferred = async {
-                runCatchingExceptCancel { v0Source.getVersionInfo(baseUrl).toVersionInfo() }
+                runCatchingExceptCancel { v0Source.getVersionInfo().toVersionInfo() }
             }
             val v1Deferred = async {
-                runCatchingExceptCancel { v1Source.getVersionInfo(baseUrl).toVersionInfo() }
+                runCatchingExceptCancel { v1Source.getVersionInfo().toVersionInfo() }
             }
             listOf(v0Deferred, v1Deferred).awaitAll()
         }

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

@@ -19,11 +19,28 @@ class ServerInfoStorageImpl @Inject constructor(
 
     override suspend fun getBaseURL(): String? = getValue(baseUrlKey)
 
-    override suspend fun storeBaseURL(baseURL: String, version: String) {
+    override suspend fun storeBaseURL(baseURL: String) {
-        preferencesStorage.storeValues(
+        preferencesStorage.storeValues(Pair(baseUrlKey, baseURL))
-            Pair(baseUrlKey, baseURL),
+        preferencesStorage.removeValues(serverVersionKey)
-            Pair(serverVersionKey, version),
+    }
-        )
+
+    override suspend fun storeBaseURL(baseURL: String?, version: String?) {
+        when {
+            baseURL == null -> {
+                preferencesStorage.removeValues(baseUrlKey, serverVersionKey)
+            }
+
+            version != null -> {
+                preferencesStorage.storeValues(
+                    Pair(baseUrlKey, baseURL), Pair(serverVersionKey, version)
+                )
+            }
+
+            else -> {
+                preferencesStorage.removeValues(serverVersionKey)
+                preferencesStorage.storeValues(Pair(baseUrlKey, baseURL))
+            }
+        }
     }
 
     override suspend fun getServerVersion(): String? = getValue(serverVersionKey)
@@ -33,4 +50,5 @@ class ServerInfoStorageImpl @Inject constructor(
     }
 
     private suspend fun <T> getValue(key: Preferences.Key<T>): T? = preferencesStorage.getValue(key)
+
 }

app/src/main/java/gq/kirmanak/mealient/data/network/MealieDataSourceWrapper.kt

@@ -29,13 +29,11 @@ class MealieDataSourceWrapper @Inject constructor(
 
     private suspend fun getVersion(): ServerVersion = serverInfoRepo.getVersion()
 
-    private suspend fun getUrl(): String = serverInfoRepo.requireUrl()
-
     override suspend fun addRecipe(recipe: AddRecipeInfo): String = when (getVersion()) {
-        ServerVersion.V0 -> v0Source.addRecipe(getUrl(), recipe.toV0Request())
+        ServerVersion.V0 -> v0Source.addRecipe(recipe.toV0Request())
         ServerVersion.V1 -> {
-            val slug = v1Source.createRecipe(getUrl(), recipe.toV1CreateRequest())
+            val slug = v1Source.createRecipe(recipe.toV1CreateRequest())
-            v1Source.updateRecipe(getUrl(), slug, recipe.toV1UpdateRequest())
+            v1Source.updateRecipe(slug, recipe.toV1UpdateRequest())
             slug
         }
     }
@@ -45,25 +43,25 @@ class MealieDataSourceWrapper @Inject constructor(
         limit: Int,
     ): List<RecipeSummaryInfo> = when (getVersion()) {
         ServerVersion.V0 -> {
-            v0Source.requestRecipes(getUrl(), start, limit).map { it.toRecipeSummaryInfo() }
+            v0Source.requestRecipes(start, limit).map { it.toRecipeSummaryInfo() }
         }
         ServerVersion.V1 -> {
             // Imagine start is 30 and limit is 15. It means that we already have page 1 and 2, now we need page 3
             val page = start / limit + 1
-            v1Source.requestRecipes(getUrl(), page, limit).map { it.toRecipeSummaryInfo() }
+            v1Source.requestRecipes(page, limit).map { it.toRecipeSummaryInfo() }
         }
     }
 
     override suspend fun requestRecipeInfo(slug: String): FullRecipeInfo = when (getVersion()) {
-        ServerVersion.V0 -> v0Source.requestRecipeInfo(getUrl(), slug).toFullRecipeInfo()
+        ServerVersion.V0 -> v0Source.requestRecipeInfo(slug).toFullRecipeInfo()
-        ServerVersion.V1 -> v1Source.requestRecipeInfo(getUrl(), slug).toFullRecipeInfo()
+        ServerVersion.V1 -> v1Source.requestRecipeInfo(slug).toFullRecipeInfo()
     }
 
     override suspend fun parseRecipeFromURL(
         parseRecipeURLInfo: ParseRecipeURLInfo,
     ): String = when (getVersion()) {
-        ServerVersion.V0 -> v0Source.parseRecipeFromURL(getUrl(), parseRecipeURLInfo.toV0Request())
+        ServerVersion.V0 -> v0Source.parseRecipeFromURL(parseRecipeURLInfo.toV0Request())
-        ServerVersion.V1 -> v1Source.parseRecipeFromURL(getUrl(), parseRecipeURLInfo.toV1Request())
+        ServerVersion.V1 -> v1Source.parseRecipeFromURL(parseRecipeURLInfo.toV1Request())
     }
 
 }

app/src/main/java/gq/kirmanak/mealient/di/BaseURLModule.kt

@@ -6,6 +6,7 @@ import dagger.hilt.InstallIn
 import dagger.hilt.components.SingletonComponent
 import gq.kirmanak.mealient.data.baseurl.*
 import gq.kirmanak.mealient.data.baseurl.impl.ServerInfoStorageImpl
+import gq.kirmanak.mealient.datasource.ServerUrlProvider
 import javax.inject.Singleton
 
 @Module
@@ -23,4 +24,8 @@ interface BaseURLModule {
     @Binds
     @Singleton
     fun bindServerInfoRepo(serverInfoRepoImpl: ServerInfoRepoImpl): ServerInfoRepo
+
+    @Binds
+    @Singleton
+    fun bindServerUrlProvider(serverInfoRepoImpl: ServerInfoRepoImpl): ServerUrlProvider
 }

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

@@ -7,9 +7,7 @@ import androidx.lifecycle.viewModelScope
 import dagger.hilt.android.lifecycle.HiltViewModel
 import gq.kirmanak.mealient.data.auth.AuthRepo
 import gq.kirmanak.mealient.data.baseurl.ServerInfoRepo
-import gq.kirmanak.mealient.data.baseurl.VersionDataSource
 import gq.kirmanak.mealient.data.recipes.RecipeRepo
-import gq.kirmanak.mealient.datasource.runCatchingExceptCancel
 import gq.kirmanak.mealient.logging.Logger
 import gq.kirmanak.mealient.ui.OperationUiState
 import kotlinx.coroutines.launch
@@ -20,7 +18,6 @@ class BaseURLViewModel @Inject constructor(
     private val serverInfoRepo: ServerInfoRepo,
     private val authRepo: AuthRepo,
     private val recipeRepo: RecipeRepo,
-    private val versionDataSource: VersionDataSource,
     private val logger: Logger,
 ) : ViewModel() {
 
@@ -42,10 +39,8 @@ class BaseURLViewModel @Inject constructor(
             _uiState.value = OperationUiState.fromResult(Result.success(Unit))
             return
         }
-        val result = runCatchingExceptCancel {
+        val result = serverInfoRepo.tryBaseURL(baseURL)
-            // If it returns proper version info then it must be a Mealie
+        if (result.isSuccess) {
-            val version = versionDataSource.getVersionInfo(baseURL).version
-            serverInfoRepo.storeBaseURL(baseURL, version)
             authRepo.logout()
             recipeRepo.clearLocalData()
         }

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

@@ -9,7 +9,6 @@ import gq.kirmanak.mealient.datasource.runCatchingExceptCancel
 import gq.kirmanak.mealient.test.AuthImplTestData.TEST_API_AUTH_HEADER
 import gq.kirmanak.mealient.test.AuthImplTestData.TEST_API_TOKEN
 import gq.kirmanak.mealient.test.AuthImplTestData.TEST_AUTH_HEADER
-import gq.kirmanak.mealient.test.AuthImplTestData.TEST_BASE_URL
 import gq.kirmanak.mealient.test.AuthImplTestData.TEST_PASSWORD
 import gq.kirmanak.mealient.test.AuthImplTestData.TEST_SERVER_VERSION_V0
 import gq.kirmanak.mealient.test.AuthImplTestData.TEST_TOKEN
@@ -54,7 +53,6 @@ class AuthRepoImplTest : BaseUnitTest() {
     fun `when authenticate successfully then saves to storage`() = runTest {
         coEvery { serverInfoRepo.getVersion() } returns TEST_SERVER_VERSION_V0
         coEvery { dataSource.authenticate(any(), any()) } returns TEST_TOKEN
-        coEvery { serverInfoRepo.requireUrl() } returns TEST_BASE_URL
         coEvery { dataSource.createApiToken(any()) } returns TEST_API_TOKEN
         subject.authenticate(TEST_USERNAME, TEST_PASSWORD)
         coVerify {
@@ -69,7 +67,6 @@ class AuthRepoImplTest : BaseUnitTest() {
     @Test
     fun `when authenticate fails then does not change storage`() = runTest {
         coEvery { dataSource.authenticate(any(), any()) } throws RuntimeException()
-        coEvery { serverInfoRepo.requireUrl() } returns TEST_BASE_URL
         runCatchingExceptCancel { subject.authenticate("invalid", "") }
         confirmVerified(storage)
     }

app/src/test/java/gq/kirmanak/mealient/data/baseurl/ServerInfoRepoTest.kt

@@ -13,6 +13,7 @@ import kotlinx.coroutines.ExperimentalCoroutinesApi
 import kotlinx.coroutines.test.runTest
 import org.junit.Before
 import org.junit.Test
+import java.io.IOException
 
 @OptIn(ExperimentalCoroutinesApi::class)
 class ServerInfoRepoTest : BaseUnitTest() {
@@ -44,12 +45,6 @@ class ServerInfoRepoTest : BaseUnitTest() {
         assertThat(subject.getUrl()).isEqualTo(expected)
     }
 
-    @Test(expected = IllegalStateException::class)
-    fun `when storage returns null url expect requireUrl to throw`() = runTest {
-        coEvery { storage.getBaseURL() } returns null
-        subject.requireUrl()
-    }
-
     @Test
     fun `when getUrl expect storage is accessed`() = runTest {
         coEvery { storage.getBaseURL() } returns null
@@ -58,32 +53,45 @@ class ServerInfoRepoTest : BaseUnitTest() {
     }
 
     @Test
-    fun `when requireUrl expect storage is accessed`() = runTest {
+    fun `when tryBaseURL succeeds expect call to storage`() = runTest {
-        coEvery { storage.getBaseURL() } returns TEST_BASE_URL
+        coEvery { storage.getServerVersion() } returns null
-        subject.requireUrl()
+        coEvery { storage.getBaseURL() } returns null
-        coVerify { storage.getBaseURL() }
+        coEvery { dataSource.getVersionInfo() } returns VersionInfo(TEST_VERSION)
+        subject.tryBaseURL(TEST_BASE_URL)
+        coVerify {
+            storage.storeBaseURL(eq(TEST_BASE_URL))
+            dataSource.getVersionInfo()
+            storage.storeServerVersion(TEST_VERSION)
+        }
     }
 
     @Test
-    fun `when storeBaseUrl expect call to storage`() = runTest {
+    fun `when tryBaseURL fails expect call to storage`() = runTest {
-        subject.storeBaseURL(TEST_BASE_URL, TEST_VERSION)
+        coEvery { storage.getServerVersion() } returns "serverVersion"
-        coVerify { storage.storeBaseURL(TEST_BASE_URL, TEST_VERSION) }
+        coEvery { storage.getBaseURL() } returns "baseUrl"
+        coEvery { dataSource.getVersionInfo() } throws IOException()
+        subject.tryBaseURL(TEST_BASE_URL)
+        coVerify {
+            storage.storeBaseURL(eq(TEST_BASE_URL))
+            dataSource.getVersionInfo()
+            storage.storeBaseURL(eq("baseUrl"), eq("serverVersion"))
+        }
     }
 
     @Test
     fun `when storage is empty expect getVersion to call data source`() = runTest {
         coEvery { storage.getServerVersion() } returns null
         coEvery { storage.getBaseURL() } returns TEST_BASE_URL
-        coEvery { dataSource.getVersionInfo(eq(TEST_BASE_URL)) } returns VERSION_INFO_V0
+        coEvery { dataSource.getVersionInfo() } returns VERSION_INFO_V0
         subject.getVersion()
-        coVerify { dataSource.getVersionInfo(eq(TEST_BASE_URL)) }
+        coVerify { dataSource.getVersionInfo() }
     }
 
     @Test
     fun `when storage is empty and data source has value expect getVersion to save it`() = runTest {
         coEvery { storage.getServerVersion() } returns null
         coEvery { storage.getBaseURL() } returns TEST_BASE_URL
-        coEvery { dataSource.getVersionInfo(eq(TEST_BASE_URL)) } returns VersionInfo(TEST_VERSION)
+        coEvery { dataSource.getVersionInfo() } returns VersionInfo(TEST_VERSION)
         subject.getVersion()
         coVerify { storage.storeServerVersion(TEST_VERSION) }
     }
@@ -92,7 +100,7 @@ class ServerInfoRepoTest : BaseUnitTest() {
     fun `when data source has invalid value expect getVersion to throw`() = runTest {
         coEvery { storage.getServerVersion() } returns null
         coEvery { storage.getBaseURL() } returns TEST_BASE_URL
-        coEvery { dataSource.getVersionInfo(eq(TEST_BASE_URL)) } returns VersionInfo("v2.0.0")
+        coEvery { dataSource.getVersionInfo() } returns VersionInfo("v2.0.0")
         subject.getVersion()
     }
 
@@ -100,7 +108,7 @@ class ServerInfoRepoTest : BaseUnitTest() {
     fun `when data source has invalid value expect getVersion not to save`() = runTest {
         coEvery { storage.getServerVersion() } returns null
         coEvery { storage.getBaseURL() } returns TEST_BASE_URL
-        coEvery { dataSource.getVersionInfo(eq(TEST_BASE_URL)) } returns VersionInfo("v2.0.0")
+        coEvery { dataSource.getVersionInfo() } returns VersionInfo("v2.0.0")
         subject.runCatching { getVersion() }
         coVerify(inverse = true) { storage.storeServerVersion(any()) }
     }
@@ -116,7 +124,7 @@ class ServerInfoRepoTest : BaseUnitTest() {
     fun `when storage has value expect getVersion to not call data source`() = runTest {
         coEvery { storage.getServerVersion() } returns TEST_VERSION
         subject.getVersion()
-        coVerify(inverse = true) { dataSource.getVersionInfo(any()) }
+        coVerify(inverse = true) { dataSource.getVersionInfo() }
     }
 
     @Test
@@ -135,7 +143,7 @@ class ServerInfoRepoTest : BaseUnitTest() {
     fun `when data source has valid v0 value expect getVersion to return it`() = runTest {
         coEvery { storage.getServerVersion() } returns null
         coEvery { storage.getBaseURL() } returns TEST_BASE_URL
-        coEvery { dataSource.getVersionInfo(eq(TEST_BASE_URL)) } returns VersionInfo("v0.5.6")
+        coEvery { dataSource.getVersionInfo() } returns VersionInfo("v0.5.6")
         assertThat(subject.getVersion()).isEqualTo(ServerVersion.V0)
     }
 
@@ -143,7 +151,7 @@ class ServerInfoRepoTest : BaseUnitTest() {
     fun `when data source has valid v1 value expect getVersion to return it`() = runTest {
         coEvery { storage.getServerVersion() } returns null
         coEvery { storage.getBaseURL() } returns TEST_BASE_URL
-        coEvery { dataSource.getVersionInfo(eq(TEST_BASE_URL)) } returns VersionInfo("v1.0.0-beta05")
+        coEvery { dataSource.getVersionInfo() } returns VersionInfo("v1.0.0-beta05")
         assertThat(subject.getVersion()).isEqualTo(ServerVersion.V1)
     }
 }

app/src/test/java/gq/kirmanak/mealient/data/network/MealieDataSourceWrapperTest.kt

@@ -6,7 +6,6 @@ import gq.kirmanak.mealient.data.baseurl.ServerInfoRepo
 import gq.kirmanak.mealient.datasource.v0.MealieDataSourceV0
 import gq.kirmanak.mealient.datasource.v1.MealieDataSourceV1
 import gq.kirmanak.mealient.test.AuthImplTestData.TEST_AUTH_HEADER
-import gq.kirmanak.mealient.test.AuthImplTestData.TEST_BASE_URL
 import gq.kirmanak.mealient.test.AuthImplTestData.TEST_SERVER_VERSION_V0
 import gq.kirmanak.mealient.test.AuthImplTestData.TEST_SERVER_VERSION_V1
 import gq.kirmanak.mealient.test.BaseUnitTest
@@ -55,15 +54,14 @@ class MealieDataSourceWrapperTest : BaseUnitTest() {
     fun `when server version v1 expect requestRecipeInfo to call v1`() = runTest {
         val slug = "porridge"
         coEvery {
-            v1Source.requestRecipeInfo(eq(TEST_BASE_URL), eq(slug))
+            v1Source.requestRecipeInfo(eq(slug))
         } returns PORRIDGE_RECIPE_RESPONSE_V1
         coEvery { serverInfoRepo.getVersion() } returns TEST_SERVER_VERSION_V1
-        coEvery { serverInfoRepo.requireUrl() } returns TEST_BASE_URL
         coEvery { authRepo.getAuthHeader() } returns TEST_AUTH_HEADER
 
         val actual = subject.requestRecipeInfo(slug)
 
-        coVerify { v1Source.requestRecipeInfo(eq(TEST_BASE_URL), eq(slug)) }
+        coVerify { v1Source.requestRecipeInfo(eq(slug)) }
 
         assertThat(actual).isEqualTo(PORRIDGE_FULL_RECIPE_INFO)
     }
@@ -71,10 +69,9 @@ class MealieDataSourceWrapperTest : BaseUnitTest() {
     @Test
     fun `when server version v1 expect requestRecipes to call v1`() = runTest {
         coEvery {
-            v1Source.requestRecipes(any(), any(), any())
+            v1Source.requestRecipes(any(), any())
         } returns listOf(PORRIDGE_RECIPE_SUMMARY_RESPONSE_V1)
         coEvery { serverInfoRepo.getVersion() } returns TEST_SERVER_VERSION_V1
-        coEvery { serverInfoRepo.requireUrl() } returns TEST_BASE_URL
         coEvery { authRepo.getAuthHeader() } returns TEST_AUTH_HEADER
 
         val actual = subject.requestRecipes(40, 10)
@@ -82,7 +79,7 @@ class MealieDataSourceWrapperTest : BaseUnitTest() {
         val page = 5 // 0-9 (1), 10-19 (2), 20-29 (3), 30-39 (4), 40-49 (5)
         val perPage = 10
         coVerify {
-            v1Source.requestRecipes(eq(TEST_BASE_URL), eq(page), eq(perPage))
+            v1Source.requestRecipes(eq(page), eq(perPage))
         }
 
         assertThat(actual).isEqualTo(listOf(RECIPE_SUMMARY_PORRIDGE_V1))
@@ -91,10 +88,9 @@ class MealieDataSourceWrapperTest : BaseUnitTest() {
     @Test
     fun `when server version v0 expect requestRecipes to call v0`() = runTest {
         coEvery {
-            v0Source.requestRecipes(any(), any(), any())
+            v0Source.requestRecipes(any(), any())
         } returns listOf(PORRIDGE_RECIPE_SUMMARY_RESPONSE_V0)
         coEvery { serverInfoRepo.getVersion() } returns TEST_SERVER_VERSION_V0
-        coEvery { serverInfoRepo.requireUrl() } returns TEST_BASE_URL
         coEvery { authRepo.getAuthHeader() } returns TEST_AUTH_HEADER
 
         val start = 40
@@ -102,7 +98,7 @@ class MealieDataSourceWrapperTest : BaseUnitTest() {
         val actual = subject.requestRecipes(start, limit)
 
         coVerify {
-            v0Source.requestRecipes(eq(TEST_BASE_URL), eq(start), eq(limit))
+            v0Source.requestRecipes(eq(start), eq(limit))
         }
 
         assertThat(actual).isEqualTo(listOf(RECIPE_SUMMARY_PORRIDGE_V0))
@@ -110,9 +106,8 @@ class MealieDataSourceWrapperTest : BaseUnitTest() {
 
     @Test(expected = IOException::class)
     fun `when request fails expect addRecipe to rethrow`() = runTest {
-        coEvery { v0Source.addRecipe(any(), any()) } throws IOException()
+        coEvery { v0Source.addRecipe(any()) } throws IOException()
         coEvery { serverInfoRepo.getVersion() } returns TEST_SERVER_VERSION_V0
-        coEvery { serverInfoRepo.requireUrl() } returns TEST_BASE_URL
         coEvery { authRepo.getAuthHeader() } returns TEST_AUTH_HEADER
         subject.addRecipe(PORRIDGE_ADD_RECIPE_INFO)
     }
@@ -121,16 +116,14 @@ class MealieDataSourceWrapperTest : BaseUnitTest() {
     fun `when server version v0 expect addRecipe to call v0`() = runTest {
         val slug = "porridge"
 
-        coEvery { v0Source.addRecipe(any(), any()) } returns slug
+        coEvery { v0Source.addRecipe(any()) } returns slug
         coEvery { serverInfoRepo.getVersion() } returns TEST_SERVER_VERSION_V0
-        coEvery { serverInfoRepo.requireUrl() } returns TEST_BASE_URL
         coEvery { authRepo.getAuthHeader() } returns TEST_AUTH_HEADER
 
         val actual = subject.addRecipe(PORRIDGE_ADD_RECIPE_INFO)
 
         coVerify {
             v0Source.addRecipe(
-                eq(TEST_BASE_URL),
                 eq(PORRIDGE_ADD_RECIPE_REQUEST_V0),
             )
         }
@@ -142,24 +135,21 @@ class MealieDataSourceWrapperTest : BaseUnitTest() {
     fun `when server version v1 expect addRecipe to call v1`() = runTest {
         val slug = "porridge"
 
-        coEvery { v1Source.createRecipe(any(), any()) } returns slug
+        coEvery { v1Source.createRecipe(any()) } returns slug
         coEvery {
-            v1Source.updateRecipe(any(), any(), any())
+            v1Source.updateRecipe(any(), any())
         } returns PORRIDGE_RECIPE_RESPONSE_V1
         coEvery { serverInfoRepo.getVersion() } returns TEST_SERVER_VERSION_V1
-        coEvery { serverInfoRepo.requireUrl() } returns TEST_BASE_URL
         coEvery { authRepo.getAuthHeader() } returns TEST_AUTH_HEADER
 
         val actual = subject.addRecipe(PORRIDGE_ADD_RECIPE_INFO)
 
         coVerifySequence {
             v1Source.createRecipe(
-                eq(TEST_BASE_URL),
                 eq(PORRIDGE_CREATE_RECIPE_REQUEST_V1),
             )
 
             v1Source.updateRecipe(
-                eq(TEST_BASE_URL),
                 eq(slug),
                 eq(PORRIDGE_UPDATE_RECIPE_REQUEST_V1),
             )

app/src/test/java/gq/kirmanak/mealient/ui/baseurl/BaseURLViewModelTest.kt

@@ -3,11 +3,8 @@ package gq.kirmanak.mealient.ui.baseurl
 import com.google.common.truth.Truth.assertThat
 import gq.kirmanak.mealient.data.auth.AuthRepo
 import gq.kirmanak.mealient.data.baseurl.ServerInfoRepo
-import gq.kirmanak.mealient.data.baseurl.VersionDataSource
-import gq.kirmanak.mealient.data.baseurl.VersionInfo
 import gq.kirmanak.mealient.data.recipes.RecipeRepo
 import gq.kirmanak.mealient.test.AuthImplTestData.TEST_BASE_URL
-import gq.kirmanak.mealient.test.AuthImplTestData.TEST_VERSION
 import gq.kirmanak.mealient.test.BaseUnitTest
 import gq.kirmanak.mealient.ui.OperationUiState
 import io.mockk.coEvery
@@ -31,9 +28,6 @@ class BaseURLViewModelTest : BaseUnitTest() {
     @MockK(relaxUnitFun = true)
     lateinit var recipeRepo: RecipeRepo
 
-    @MockK
-    lateinit var versionDataSource: VersionDataSource
-
     lateinit var subject: BaseURLViewModel
 
     @Before
@@ -43,7 +37,6 @@ class BaseURLViewModelTest : BaseUnitTest() {
             serverInfoRepo = serverInfoRepo,
             authRepo = authRepo,
             recipeRepo = recipeRepo,
-            versionDataSource = versionDataSource,
             logger = logger,
         )
     }
@@ -51,13 +44,13 @@ class BaseURLViewModelTest : BaseUnitTest() {
     @Test
     fun `when saveBaseURL expect no version checks given that current URL matches new`() = runTest {
         setupSaveBaseUrlWithOldUrl()
-        coVerify(inverse = true) { versionDataSource.getVersionInfo(any()) }
+        coVerify(inverse = true) { serverInfoRepo.tryBaseURL(any()) }
     }
 
     @Test
     fun `when saveBaseURL expect URL isn't saved given that current URL matches new`() = runTest {
         setupSaveBaseUrlWithOldUrl()
-        coVerify(inverse = true) { serverInfoRepo.storeBaseURL(any(), any()) }
+        coVerify(inverse = true) { serverInfoRepo.tryBaseURL(any()) }
     }
 
     @Test
@@ -74,7 +67,7 @@ class BaseURLViewModelTest : BaseUnitTest() {
 
     private fun TestScope.setupSaveBaseUrlWithOldUrl() {
         coEvery { serverInfoRepo.getUrl() } returns TEST_BASE_URL
-        versionDataSourceReturnsSuccess()
+        coEvery { serverInfoRepo.tryBaseURL(any()) } returns Result.success(Unit)
         subject.saveBaseUrl(TEST_BASE_URL)
         advanceUntilIdle()
     }
@@ -82,7 +75,7 @@ class BaseURLViewModelTest : BaseUnitTest() {
     @Test
     fun `when saveBaseUrl expect URL is saved given that new URL doesn't match old`() = runTest {
         setupSaveBaseUrlWithNewUrl()
-        coVerify { serverInfoRepo.storeBaseURL(eq(TEST_BASE_URL), eq(TEST_VERSION)) }
+        coVerify { serverInfoRepo.tryBaseURL(eq(TEST_BASE_URL)) }
     }
 
     @Test
@@ -99,21 +92,15 @@ class BaseURLViewModelTest : BaseUnitTest() {
 
     private fun TestScope.setupSaveBaseUrlWithNewUrl() {
         coEvery { serverInfoRepo.getUrl() } returns null
-        versionDataSourceReturnsSuccess()
+        coEvery { serverInfoRepo.tryBaseURL(any()) } returns Result.success(Unit)
         subject.saveBaseUrl(TEST_BASE_URL)
         advanceUntilIdle()
     }
 
-    private fun versionDataSourceReturnsSuccess() {
-        coEvery {
-            versionDataSource.getVersionInfo(eq(TEST_BASE_URL))
-        } returns VersionInfo(TEST_VERSION)
-    }
-
     @Test
     fun `when saveBaseURL expect error given that version can't be fetched`() = runTest {
         coEvery { serverInfoRepo.getUrl() } returns null
-        coEvery { versionDataSource.getVersionInfo(eq(TEST_BASE_URL)) } throws IOException()
+        coEvery { serverInfoRepo.tryBaseURL(any()) } returns Result.failure(IOException())
         subject.saveBaseUrl(TEST_BASE_URL)
         advanceUntilIdle()
         assertThat(subject.uiState.value).isInstanceOf(OperationUiState.Failure::class.java)

datasource/src/main/kotlin/gq/kirmanak/mealient/datasource/DataSourceModule.kt

@@ -8,6 +8,7 @@ import dagger.hilt.InstallIn
 import dagger.hilt.components.SingletonComponent
 import dagger.multibindings.IntoSet
 import gq.kirmanak.mealient.datasource.impl.AuthInterceptor
+import gq.kirmanak.mealient.datasource.impl.BaseUrlInterceptor
 import gq.kirmanak.mealient.datasource.impl.CacheBuilderImpl
 import gq.kirmanak.mealient.datasource.impl.NetworkRequestWrapperImpl
 import gq.kirmanak.mealient.datasource.impl.OkHttpBuilderImpl
@@ -20,7 +21,6 @@ import gq.kirmanak.mealient.datasource.v1.MealieDataSourceV1Impl
 import gq.kirmanak.mealient.datasource.v1.MealieServiceV1
 import kotlinx.serialization.ExperimentalSerializationApi
 import kotlinx.serialization.json.Json
-import okhttp3.Interceptor
 import okhttp3.MediaType.Companion.toMediaType
 import okhttp3.OkHttpClient
 import retrofit2.Converter
@@ -55,8 +55,11 @@ interface DataSourceModule {
 
         @Provides
         @Singleton
-        fun provideRetrofit(retrofitBuilder: RetrofitBuilder): Retrofit =
+        fun provideRetrofit(retrofitBuilder: RetrofitBuilder): Retrofit {
-            retrofitBuilder.buildRetrofit("https://beta.mealie.io/")
+            // Fake base URL which will be replaced later by BaseUrlInterceptor
+            // Solution was suggested here https://github.com/square/retrofit/issues/2161#issuecomment-274204152
+            return retrofitBuilder.buildRetrofit("http://localhost/")
+        }
 
         @Provides
         @Singleton
@@ -92,5 +95,10 @@ interface DataSourceModule {
     @Binds
     @Singleton
     @IntoSet
-    fun bindAuthInterceptor(authInterceptor: AuthInterceptor): Interceptor
+    fun bindAuthInterceptor(authInterceptor: AuthInterceptor): LocalInterceptor
+
+    @Binds
+    @Singleton
+    @IntoSet
+    fun bindBaseUrlInterceptor(baseUrlInterceptor: BaseUrlInterceptor): LocalInterceptor
 }

datasource/src/main/kotlin/gq/kirmanak/mealient/datasource/LocalInterceptor.kt

@@ -0,0 +1,12 @@
+package gq.kirmanak.mealient.datasource
+
+import okhttp3.Interceptor
+import okhttp3.OkHttpClient
+
+/**
+ * Marker interface which is different from [Interceptor] only in how it is handled.
+ * [Interceptor]s are added as network interceptors to OkHttpClient whereas [LocalInterceptor]s
+ * are added via [OkHttpClient.Builder.addInterceptor] function. They will observe the
+ * full call lifecycle, whereas network interceptors will see only the network part.
+ */
+interface LocalInterceptor : Interceptor

datasource/src/main/kotlin/gq/kirmanak/mealient/datasource/ServerUrlProvider.kt

@@ -0,0 +1,6 @@
+package gq.kirmanak.mealient.datasource
+
+interface ServerUrlProvider {
+
+    suspend fun getUrl(): String?
+}

datasource/src/main/kotlin/gq/kirmanak/mealient/datasource/impl/AuthInterceptor.kt

@@ -2,6 +2,7 @@ package gq.kirmanak.mealient.datasource.impl
 
 import androidx.annotation.VisibleForTesting
 import gq.kirmanak.mealient.datasource.AuthenticationProvider
+import gq.kirmanak.mealient.datasource.LocalInterceptor
 import gq.kirmanak.mealient.logging.Logger
 import kotlinx.coroutines.runBlocking
 import okhttp3.Interceptor
@@ -14,13 +15,13 @@ import javax.inject.Singleton
 class AuthInterceptor @Inject constructor(
     private val logger: Logger,
     private val authenticationProviderProvider: Provider<AuthenticationProvider>,
-) : Interceptor {
+) : LocalInterceptor {
 
     private val authenticationProvider: AuthenticationProvider
         get() = authenticationProviderProvider.get()
 
     override fun intercept(chain: Interceptor.Chain): Response {
-        logger.v { "intercept() was called" }
+        logger.v { "intercept() was called with: request = ${chain.request()}" }
         val header = getAuthHeader()
         val request = chain.request().let {
             if (header == null) it else it.newBuilder().header(HEADER_NAME, header).build()

datasource/src/main/kotlin/gq/kirmanak/mealient/datasource/impl/BaseUrlInterceptor.kt

@@ -0,0 +1,41 @@
+package gq.kirmanak.mealient.datasource.impl
+
+import gq.kirmanak.mealient.datasource.LocalInterceptor
+import gq.kirmanak.mealient.datasource.ServerUrlProvider
+import gq.kirmanak.mealient.logging.Logger
+import kotlinx.coroutines.runBlocking
+import okhttp3.HttpUrl.Companion.toHttpUrlOrNull
+import okhttp3.Interceptor
+import okhttp3.Response
+import java.io.IOException
+import javax.inject.Inject
+import javax.inject.Provider
+import javax.inject.Singleton
+
+@Singleton
+class BaseUrlInterceptor @Inject constructor(
+    private val serverUrlProviderProvider: Provider<ServerUrlProvider>,
+    private val logger: Logger,
+) : LocalInterceptor {
+
+    private val serverUrlProvider: ServerUrlProvider
+        get() = serverUrlProviderProvider.get()
+
+    override fun intercept(chain: Interceptor.Chain): Response {
+        logger.v { "intercept() was called with: request = ${chain.request()}" }
+        val oldRequest = chain.request()
+        val baseUrl = getBaseUrl()
+        val correctUrl = oldRequest.url
+            .newBuilder()
+            .host(baseUrl.host)
+            .scheme(baseUrl.scheme)
+            .build()
+        val newRequest = oldRequest.newBuilder().url(correctUrl).build()
+        logger.d { "Replaced ${oldRequest.url} with ${newRequest.url}" }
+        return chain.proceed(newRequest)
+    }
+
+    private fun getBaseUrl() = runBlocking {
+        serverUrlProvider.getUrl()?.toHttpUrlOrNull() ?: throw IOException("Base URL is unknown")
+    }
+}

datasource/src/main/kotlin/gq/kirmanak/mealient/datasource/impl/OkHttpBuilderImpl.kt

@@ -1,7 +1,9 @@
 package gq.kirmanak.mealient.datasource.impl
 
 import gq.kirmanak.mealient.datasource.CacheBuilder
+import gq.kirmanak.mealient.datasource.LocalInterceptor
 import gq.kirmanak.mealient.datasource.OkHttpBuilder
+import gq.kirmanak.mealient.logging.Logger
 import okhttp3.Interceptor
 import okhttp3.OkHttpClient
 import javax.inject.Inject
@@ -12,10 +14,16 @@ class OkHttpBuilderImpl @Inject constructor(
     private val cacheBuilder: CacheBuilder,
     // Use @JvmSuppressWildcards because otherwise dagger can't inject it (https://stackoverflow.com/a/43149382)
     private val interceptors: Set<@JvmSuppressWildcards Interceptor>,
+    private val localInterceptors: Set<@JvmSuppressWildcards LocalInterceptor>,
+    private val logger: Logger,
 ) : OkHttpBuilder {
 
-    override fun buildOkHttp(): OkHttpClient = OkHttpClient.Builder()
+    override fun buildOkHttp(): OkHttpClient {
-        .apply { interceptors.forEach(::addNetworkInterceptor) }
+        logger.v { "buildOkHttp() was called with cacheBuilder = $cacheBuilder, interceptors = $interceptors, localInterceptors = $localInterceptors" }
-        .cache(cacheBuilder.buildCache())
+        return OkHttpClient.Builder().apply {
-        .build()
+            localInterceptors.forEach(::addInterceptor)
+            interceptors.forEach(::addNetworkInterceptor)
+            cache(cacheBuilder.buildCache())
+        }.build()
+    }
 }

datasource/src/main/kotlin/gq/kirmanak/mealient/datasource/v0/MealieDataSourceV0.kt

@@ -10,7 +10,6 @@ import gq.kirmanak.mealient.datasource.v0.models.VersionResponseV0
 interface MealieDataSourceV0 {
 
     suspend fun addRecipe(
-        baseUrl: String,
         recipe: AddRecipeRequestV0,
     ): String
 
@@ -18,33 +17,27 @@ interface MealieDataSourceV0 {
      * Tries to acquire authentication token using the provided credentials
      */
     suspend fun authenticate(
-        baseUrl: String,
         username: String,
         password: String,
     ): String
 
     suspend fun getVersionInfo(
-        baseUrl: String,
     ): VersionResponseV0
 
     suspend fun requestRecipes(
-        baseUrl: String,
         start: Int,
         limit: Int,
     ): List<GetRecipeSummaryResponseV0>
 
     suspend fun requestRecipeInfo(
-        baseUrl: String,
         slug: String,
     ): GetRecipeResponseV0
 
     suspend fun parseRecipeFromURL(
-        baseUrl: String,
         request: ParseRecipeURLRequestV0,
     ): String
 
     suspend fun createApiToken(
-        baseUrl: String,
         request: CreateApiTokenRequestV0,
     ): String
 }

datasource/src/main/kotlin/gq/kirmanak/mealient/datasource/v0/MealieDataSourceV0Impl.kt

@@ -26,34 +26,30 @@ class MealieDataSourceV0Impl @Inject constructor(
 ) : MealieDataSourceV0 {
 
     override suspend fun addRecipe(
-        baseUrl: String,
         recipe: AddRecipeRequestV0,
     ): String = networkRequestWrapper.makeCallAndHandleUnauthorized(
-        block = { service.addRecipe("$baseUrl/api/recipes/create", recipe) },
+        block = { service.addRecipe(recipe) },
         logMethod = { "addRecipe" },
-        logParameters = { "baseUrl = $baseUrl, recipe = $recipe" }
+        logParameters = { "recipe = $recipe" }
     )
 
     override suspend fun authenticate(
-        baseUrl: String,
         username: String,
         password: String,
     ): String = networkRequestWrapper.makeCall(
-        block = { service.getToken("$baseUrl/api/auth/token", username, password) },
+        block = { service.getToken(username, password) },
         logMethod = { "authenticate" },
-        logParameters = { "baseUrl = $baseUrl, username = $username, password = $password" }
+        logParameters = { "username = $username, password = $password" }
     ).map { it.accessToken }.getOrElse {
         val errorBody = (it as? HttpException)?.response()?.errorBody() ?: throw it
         val errorDetailV0 = errorBody.decode<ErrorDetailV0>(json)
         throw if (errorDetailV0.detail == "Unauthorized") NetworkError.Unauthorized(it) else it
     }
 
-    override suspend fun getVersionInfo(
+    override suspend fun getVersionInfo(): VersionResponseV0 = networkRequestWrapper.makeCall(
-        baseUrl: String
+        block = { service.getVersion() },
-    ): VersionResponseV0 = networkRequestWrapper.makeCall(
-        block = { service.getVersion("$baseUrl/api/debug/version") },
         logMethod = { "getVersionInfo" },
-        logParameters = { "baseUrl = $baseUrl" },
+        logParameters = { "" },
     ).getOrElse {
         throw when (it) {
             is HttpException, is SerializationException -> NetworkError.NotMealie(it)
@@ -63,39 +59,35 @@ class MealieDataSourceV0Impl @Inject constructor(
     }
 
     override suspend fun requestRecipes(
-        baseUrl: String,
         start: Int,
         limit: Int,
     ): List<GetRecipeSummaryResponseV0> = networkRequestWrapper.makeCallAndHandleUnauthorized(
-        block = { service.getRecipeSummary("$baseUrl/api/recipes/summary", start, limit) },
+        block = { service.getRecipeSummary(start, limit) },
         logMethod = { "requestRecipes" },
-        logParameters = { "baseUrl = $baseUrl, start = $start, limit = $limit" }
+        logParameters = { "start = $start, limit = $limit" }
     )
 
     override suspend fun requestRecipeInfo(
-        baseUrl: String,
         slug: String,
     ): GetRecipeResponseV0 = networkRequestWrapper.makeCallAndHandleUnauthorized(
-        block = { service.getRecipe("$baseUrl/api/recipes/$slug") },
+        block = { service.getRecipe(slug) },
         logMethod = { "requestRecipeInfo" },
-        logParameters = { "baseUrl = $baseUrl, slug = $slug" }
+        logParameters = { "slug = $slug" }
     )
 
     override suspend fun parseRecipeFromURL(
-        baseUrl: String,
         request: ParseRecipeURLRequestV0
     ): String = networkRequestWrapper.makeCallAndHandleUnauthorized(
-        block = { service.createRecipeFromURL("$baseUrl/api/recipes/create-url", request) },
+        block = { service.createRecipeFromURL(request) },
         logMethod = { "parseRecipeFromURL" },
-        logParameters = { "baseUrl = $baseUrl, request = $request" },
+        logParameters = { "request = $request" },
     )
 
     override suspend fun createApiToken(
-        baseUrl: String,
         request: CreateApiTokenRequestV0,
     ): String = networkRequestWrapper.makeCallAndHandleUnauthorized(
-        block = { service.createApiToken("$baseUrl/api/users/api-tokens", request) },
+        block = { service.createApiToken(request) },
         logMethod = { "createApiToken" },
-        logParameters = { "baseUrl = $baseUrl, request = $request" }
+        logParameters = { "request = $request" }
     )
 }

datasource/src/main/kotlin/gq/kirmanak/mealient/datasource/v0/MealieServiceV0.kt

@@ -6,45 +6,38 @@ import retrofit2.http.*
 interface MealieServiceV0 {
 
     @FormUrlEncoded
-    @POST
+    @POST("/api/auth/token")
     suspend fun getToken(
-        @Url url: String,
         @Field("username") username: String,
         @Field("password") password: String,
     ): GetTokenResponseV0
 
-    @POST
+    @POST("/api/recipes/create")
     suspend fun addRecipe(
-        @Url url: String,
         @Body addRecipeRequestV0: AddRecipeRequestV0,
     ): String
 
-    @GET
+    @GET("/api/debug/version")
-    suspend fun getVersion(
+    suspend fun getVersion(): VersionResponseV0
-        @Url url: String,
-    ): VersionResponseV0
 
-    @GET
+    @GET("/api/recipes/summary")
     suspend fun getRecipeSummary(
-        @Url url: String,
         @Query("start") start: Int,
         @Query("limit") limit: Int,
     ): List<GetRecipeSummaryResponseV0>
 
-    @GET
+    @GET("/api/recipes/{slug}")
     suspend fun getRecipe(
-        @Url url: String,
+        @Path("slug") slug: String,
     ): GetRecipeResponseV0
 
-    @POST
+    @POST("/api/recipes/create-url")
     suspend fun createRecipeFromURL(
-        @Url url: String,
         @Body request: ParseRecipeURLRequestV0,
     ): String
 
-    @POST
+    @POST("/api/users/api-tokens")
     suspend fun createApiToken(
-        @Url url: String,
         @Body request: CreateApiTokenRequestV0,
     ): String
 }

datasource/src/main/kotlin/gq/kirmanak/mealient/datasource/v1/MealieDataSourceV1.kt

@@ -12,12 +12,10 @@ import gq.kirmanak.mealient.datasource.v1.models.VersionResponseV1
 interface MealieDataSourceV1 {
 
     suspend fun createRecipe(
-        baseUrl: String,
         recipe: CreateRecipeRequestV1,
     ): String
 
     suspend fun updateRecipe(
-        baseUrl: String,
         slug: String,
         recipe: UpdateRecipeRequestV1,
     ): GetRecipeResponseV1
@@ -26,33 +24,27 @@ interface MealieDataSourceV1 {
      * Tries to acquire authentication token using the provided credentials
      */
     suspend fun authenticate(
-        baseUrl: String,
         username: String,
         password: String,
     ): String
 
     suspend fun getVersionInfo(
-        baseUrl: String,
     ): VersionResponseV1
 
     suspend fun requestRecipes(
-        baseUrl: String,
         page: Int,
         perPage: Int,
     ): List<GetRecipeSummaryResponseV1>
 
     suspend fun requestRecipeInfo(
-        baseUrl: String,
         slug: String,
     ): GetRecipeResponseV1
 
     suspend fun parseRecipeFromURL(
-        baseUrl: String,
         request: ParseRecipeURLRequestV1,
     ): String
 
     suspend fun createApiToken(
-        baseUrl: String,
         request: CreateApiTokenRequestV1,
     ): CreateApiTokenResponseV1
 }

datasource/src/main/kotlin/gq/kirmanak/mealient/datasource/v1/MealieDataSourceV1Impl.kt

@@ -28,44 +28,39 @@ class MealieDataSourceV1Impl @Inject constructor(
 ) : MealieDataSourceV1 {
 
     override suspend fun createRecipe(
-        baseUrl: String,
         recipe: CreateRecipeRequestV1
     ): String = networkRequestWrapper.makeCallAndHandleUnauthorized(
-        block = { service.createRecipe("$baseUrl/api/recipes", recipe) },
+        block = { service.createRecipe(recipe) },
         logMethod = { "createRecipe" },
-        logParameters = { "baseUrl = $baseUrl, recipe = $recipe" }
+        logParameters = { "recipe = $recipe" }
     )
 
     override suspend fun updateRecipe(
-        baseUrl: String,
         slug: String,
         recipe: UpdateRecipeRequestV1
     ): GetRecipeResponseV1 = networkRequestWrapper.makeCallAndHandleUnauthorized(
-        block = { service.updateRecipe("$baseUrl/api/recipes/$slug", recipe) },
+        block = { service.updateRecipe(recipe, slug) },
         logMethod = { "updateRecipe" },
-        logParameters = { "baseUrl = $baseUrl, slug = $slug, recipe = $recipe" }
+        logParameters = { "slug = $slug, recipe = $recipe" }
     )
 
     override suspend fun authenticate(
-        baseUrl: String,
         username: String,
         password: String,
     ): String = networkRequestWrapper.makeCall(
-        block = { service.getToken("$baseUrl/api/auth/token", username, password) },
+        block = { service.getToken(username, password) },
         logMethod = { "authenticate" },
-        logParameters = { "baseUrl = $baseUrl, username = $username, password = $password" }
+        logParameters = { "username = $username, password = $password" }
     ).map { it.accessToken }.getOrElse {
         val errorBody = (it as? HttpException)?.response()?.errorBody() ?: throw it
         val errorDetailV0 = errorBody.decode<ErrorDetailV1>(json)
         throw if (errorDetailV0.detail == "Unauthorized") NetworkError.Unauthorized(it) else it
     }
 
-    override suspend fun getVersionInfo(
+    override suspend fun getVersionInfo(): VersionResponseV1 = networkRequestWrapper.makeCall(
-        baseUrl: String,
+        block = { service.getVersion() },
-    ): VersionResponseV1 = networkRequestWrapper.makeCall(
-        block = { service.getVersion("$baseUrl/api/app/about") },
         logMethod = { "getVersionInfo" },
-        logParameters = { "baseUrl = $baseUrl" },
+        logParameters = { "" },
     ).getOrElse {
         throw when (it) {
             is HttpException, is SerializationException -> NetworkError.NotMealie(it)
@@ -75,40 +70,36 @@ class MealieDataSourceV1Impl @Inject constructor(
     }
 
     override suspend fun requestRecipes(
-        baseUrl: String,
         page: Int,
         perPage: Int
     ): List<GetRecipeSummaryResponseV1> = networkRequestWrapper.makeCallAndHandleUnauthorized(
-        block = { service.getRecipeSummary("$baseUrl/api/recipes", page, perPage) },
+        block = { service.getRecipeSummary(page, perPage) },
         logMethod = { "requestRecipes" },
-        logParameters = { "baseUrl = $baseUrl, page = $page, perPage = $perPage" }
+        logParameters = { "page = $page, perPage = $perPage" }
     ).items
 
     override suspend fun requestRecipeInfo(
-        baseUrl: String,
         slug: String
     ): GetRecipeResponseV1 = networkRequestWrapper.makeCallAndHandleUnauthorized(
-        block = { service.getRecipe("$baseUrl/api/recipes/$slug") },
+        block = { service.getRecipe(slug) },
         logMethod = { "requestRecipeInfo" },
-        logParameters = { "baseUrl = $baseUrl, slug = $slug" }
+        logParameters = { "slug = $slug" }
     )
 
     override suspend fun parseRecipeFromURL(
-        baseUrl: String,
         request: ParseRecipeURLRequestV1
     ): String = networkRequestWrapper.makeCallAndHandleUnauthorized(
-        block = { service.createRecipeFromURL("$baseUrl/api/recipes/create-url", request) },
+        block = { service.createRecipeFromURL(request) },
         logMethod = { "parseRecipeFromURL" },
-        logParameters = { "baseUrl = $baseUrl, request = $request" }
+        logParameters = { "request = $request" }
     )
 
     override suspend fun createApiToken(
-        baseUrl: String,
         request: CreateApiTokenRequestV1
     ): CreateApiTokenResponseV1 = networkRequestWrapper.makeCallAndHandleUnauthorized(
-        block = { service.createApiToken("$baseUrl/api/users/api-tokens", request) },
+        block = { service.createApiToken(request) },
         logMethod = { "createApiToken" },
-        logParameters = { "baseUrl = $baseUrl, request = $request" }
+        logParameters = { "request = $request" }
     )
 }
 

datasource/src/main/kotlin/gq/kirmanak/mealient/datasource/v1/MealieServiceV1.kt

@@ -6,51 +6,44 @@ import retrofit2.http.*
 interface MealieServiceV1 {
 
     @FormUrlEncoded
-    @POST
+    @POST("/api/auth/token")
     suspend fun getToken(
-        @Url url: String,
         @Field("username") username: String,
         @Field("password") password: String,
     ): GetTokenResponseV1
 
-    @POST
+    @POST("/api/recipes")
     suspend fun createRecipe(
-        @Url url: String,
         @Body addRecipeRequest: CreateRecipeRequestV1,
     ): String
 
-    @PATCH
+    @PATCH("/api/recipes/{slug}")
     suspend fun updateRecipe(
-        @Url url: String,
         @Body addRecipeRequest: UpdateRecipeRequestV1,
+        @Path("slug") slug: String,
     ): GetRecipeResponseV1
 
-    @GET
+    @GET("/api/app/about")
-    suspend fun getVersion(
+    suspend fun getVersion(): VersionResponseV1
-        @Url url: String,
-    ): VersionResponseV1
 
-    @GET
+    @GET("/api/recipes")
     suspend fun getRecipeSummary(
-        @Url url: String,
         @Query("page") page: Int,
         @Query("perPage") perPage: Int,
     ): GetRecipesResponseV1
 
-    @GET
+    @GET("/api/recipes/{slug}")
     suspend fun getRecipe(
-        @Url url: String,
+        @Path("slug") slug: String,
     ): GetRecipeResponseV1
 
-    @POST
+    @POST("/api/recipes/create-url")
     suspend fun createRecipeFromURL(
-        @Url url: String,
         @Body request: ParseRecipeURLRequestV1,
     ): String
 
-    @POST
+    @POST("/api/users/api-tokens")
     suspend fun createApiToken(
-        @Url url: String,
         @Body request: CreateApiTokenRequestV1,
     ): CreateApiTokenResponseV1
 }

datasource/src/test/kotlin/gq/kirmanak/mealient/datasource/MealieDataSourceV0ImplTest.kt

@@ -38,34 +38,34 @@ class MealieDataSourceV0ImplTest : BaseUnitTest() {
     @Test(expected = NetworkError.NotMealie::class)
     fun `when getVersionInfo and getVersion throws HttpException then NotMealie`() = runTest {
         val error = HttpException(Response.error<VersionResponseV0>(404, "".toJsonResponseBody()))
-        coEvery { service.getVersion(any()) } throws error
+        coEvery { service.getVersion() } throws error
-        subject.getVersionInfo(TEST_BASE_URL)
+        subject.getVersionInfo()
     }
 
     @Test(expected = NetworkError.NotMealie::class)
     fun `when getVersionInfo and getVersion throws SerializationException then NotMealie`() =
         runTest {
-            coEvery { service.getVersion(any()) } throws SerializationException()
+            coEvery { service.getVersion() } throws SerializationException()
-            subject.getVersionInfo(TEST_BASE_URL)
+            subject.getVersionInfo()
         }
 
     @Test(expected = NetworkError.NoServerConnection::class)
     fun `when getVersionInfo and getVersion throws IOException then NoServerConnection`() =
         runTest {
-            coEvery { service.getVersion(any()) } throws ConnectException()
+            coEvery { service.getVersion() } throws ConnectException()
-            subject.getVersionInfo(TEST_BASE_URL)
+            subject.getVersionInfo()
         }
 
     @Test
     fun `when getVersionInfo and getVersion returns result then result`() = runTest {
         val versionResponse = VersionResponseV0("v0.5.6")
-        coEvery { service.getVersion(any()) } returns versionResponse
+        coEvery { service.getVersion() } returns versionResponse
-        assertThat(subject.getVersionInfo(TEST_BASE_URL)).isSameInstanceAs(versionResponse)
+        assertThat(subject.getVersionInfo()).isSameInstanceAs(versionResponse)
     }
 
     @Test
     fun `when authentication is successful then token is correct`() = runTest {
-        coEvery { service.getToken(any(), any(), any()) } returns GetTokenResponseV0(TEST_TOKEN)
+        coEvery { service.getToken(any(), any()) } returns GetTokenResponseV0(TEST_TOKEN)
         assertThat(callAuthenticate()).isEqualTo(TEST_TOKEN)
     }
 
@@ -73,7 +73,7 @@ class MealieDataSourceV0ImplTest : BaseUnitTest() {
     fun `when authenticate receives 401 and Unauthorized then throws Unauthorized`() = runTest {
         val body = "{\"detail\":\"Unauthorized\"}".toJsonResponseBody()
         coEvery {
-            service.getToken(any(), any(), any())
+            service.getToken(any(), any())
         } throws HttpException(Response.error<GetTokenResponseV0>(401, body))
         callAuthenticate()
     }
@@ -82,7 +82,7 @@ class MealieDataSourceV0ImplTest : BaseUnitTest() {
     fun `when authenticate receives 401 but not Unauthorized then throws NotMealie`() = runTest {
         val body = "{\"detail\":\"Something\"}".toJsonResponseBody()
         coEvery {
-            service.getToken(any(), any(), any())
+            service.getToken(any(), any())
         } throws HttpException(Response.error<GetTokenResponseV0>(401, body))
         callAuthenticate()
     }
@@ -91,22 +91,21 @@ class MealieDataSourceV0ImplTest : BaseUnitTest() {
     fun `when authenticate receives 404 and empty body then throws NotMealie`() = runTest {
         val body = "".toJsonResponseBody()
         coEvery {
-            service.getToken(any(), any(), any())
+            service.getToken(any(), any())
         } throws HttpException(Response.error<GetTokenResponseV0>(401, body))
         callAuthenticate()
     }
 
     @Test(expected = IOException::class)
     fun `when authenticate and getToken throws then throws NoServerConnection`() = runTest {
-        coEvery { service.getToken(any(), any(), any()) } throws IOException("Server not found")
+        coEvery { service.getToken(any(), any()) } throws IOException("Server not found")
         callAuthenticate()
     }
 
     private suspend fun callAuthenticate(): String =
-        subject.authenticate(TEST_USERNAME, TEST_PASSWORD, TEST_BASE_URL)
+        subject.authenticate(TEST_PASSWORD, TEST_BASE_URL)
 
     companion object {
-        const val TEST_USERNAME = "TEST_USERNAME"
         const val TEST_PASSWORD = "TEST_PASSWORD"
         const val TEST_BASE_URL = "https://example.com/"
         const val TEST_TOKEN = "TEST_TOKEN"