Create network module

app/build.gradle.kts

@@ -8,7 +8,6 @@ plugins {
     id("kotlin-kapt")
     id("androidx.navigation.safeargs.kotlin")
     id("dagger.hilt.android.plugin")
-    id("org.jetbrains.kotlin.plugin.serialization")
     id("com.google.gms.google-services")
     id("com.google.firebase.crashlytics")
     alias(libs.plugins.appsweep)
@@ -19,8 +18,6 @@ android {
         applicationId = "gq.kirmanak.mealient"
         versionCode = 13
         versionName = "0.2.4"
-
-        buildConfigField("Boolean", "LOG_NETWORK", "false")
     }
 
     signingConfigs {
@@ -68,6 +65,7 @@ dependencies {
 
     implementation(project(":database"))
     implementation(project(":datastore"))
+    implementation(project(":datasource"))
     implementation(project(":logging"))
 
     implementation(libs.android.material.material)
@@ -92,16 +90,6 @@ dependencies {
     kaptTest(libs.google.dagger.hiltAndroidCompiler)
     testImplementation(libs.google.dagger.hiltAndroidTesting)
 
-    implementation(libs.squareup.retrofit)
-
-    implementation(libs.jakewharton.retrofitSerialization)
-
-    implementation(platform(libs.okhttp3.bom))
-    implementation(libs.okhttp3.okhttp)
-    debugImplementation(libs.okhttp3.loggingInterceptor)
-
-    implementation(libs.jetbrains.kotlinx.serialization)
-
     implementation(libs.androidx.paging.runtimeKtx)
     testImplementation(libs.androidx.paging.commonKtx)
 
@@ -137,6 +125,4 @@ dependencies {
     testImplementation(libs.io.mockk)
 
     debugImplementation(libs.squareup.leakcanary)
-
-    debugImplementation(libs.chuckerteam.chucker)
 }

app/src/main/java/gq/kirmanak/mealient/data/add/AddRecipeDataSource.kt

@@ -1,8 +1,7 @@
 package gq.kirmanak.mealient.data.add
 
-import gq.kirmanak.mealient.data.add.models.AddRecipeRequest
+import gq.kirmanak.mealient.datasource.models.AddRecipeRequest
 
 interface AddRecipeDataSource {
-
     suspend fun addRecipe(recipe: AddRecipeRequest): String
 }

app/src/main/java/gq/kirmanak/mealient/data/add/AddRecipeRepo.kt

@@ -1,6 +1,6 @@
 package gq.kirmanak.mealient.data.add
 
-import gq.kirmanak.mealient.data.add.models.AddRecipeRequest
+import gq.kirmanak.mealient.datasource.models.AddRecipeRequest
 import kotlinx.coroutines.flow.Flow
 
 interface AddRecipeRepo {

app/src/main/java/gq/kirmanak/mealient/data/add/impl/AddRecipeDataSourceImpl.kt

@@ -1,8 +1,8 @@
 package gq.kirmanak.mealient.data.add.impl
 
 import gq.kirmanak.mealient.data.add.AddRecipeDataSource
-import gq.kirmanak.mealient.data.add.models.AddRecipeRequest
+import gq.kirmanak.mealient.data.network.MealieDataSourceWrapper
-import gq.kirmanak.mealient.data.network.ServiceFactory
+import gq.kirmanak.mealient.datasource.models.AddRecipeRequest
 import gq.kirmanak.mealient.extensions.logAndMapErrors
 import gq.kirmanak.mealient.logging.Logger
 import javax.inject.Inject
@@ -10,15 +10,14 @@ import javax.inject.Singleton
 
 @Singleton
 class AddRecipeDataSourceImpl @Inject constructor(
-    private val addRecipeServiceFactory: ServiceFactory<AddRecipeService>,
     private val logger: Logger,
+    private val mealieDataSourceWrapper: MealieDataSourceWrapper,
 ) : AddRecipeDataSource {
 
     override suspend fun addRecipe(recipe: AddRecipeRequest): String {
         logger.v { "addRecipe() called with: recipe = $recipe" }
-        val service = addRecipeServiceFactory.provideService()
         val response = logger.logAndMapErrors(
-            block = { service.addRecipe(recipe) },
+            block = { mealieDataSourceWrapper.addRecipe(recipe) },
             logProvider = { "addRecipe: can't add recipe" }
         )
         logger.v { "addRecipe() response = $response" }

app/src/main/java/gq/kirmanak/mealient/data/add/impl/AddRecipeRepoImpl.kt

@@ -2,8 +2,10 @@ package gq.kirmanak.mealient.data.add.impl
 
 import gq.kirmanak.mealient.data.add.AddRecipeDataSource
 import gq.kirmanak.mealient.data.add.AddRecipeRepo
-import gq.kirmanak.mealient.data.add.models.AddRecipeRequest
+import gq.kirmanak.mealient.datasource.models.AddRecipeRequest
 import gq.kirmanak.mealient.datastore.recipe.AddRecipeStorage
+import gq.kirmanak.mealient.extensions.toAddRecipeRequest
+import gq.kirmanak.mealient.extensions.toDraft
 import gq.kirmanak.mealient.logging.Logger
 import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.flow.first
@@ -19,7 +21,7 @@ class AddRecipeRepoImpl @Inject constructor(
 ) : AddRecipeRepo {
 
     override val addRecipeRequestFlow: Flow<AddRecipeRequest>
-        get() = addRecipeStorage.updates.map { AddRecipeRequest(it) }
+        get() = addRecipeStorage.updates.map { it.toAddRecipeRequest() }
 
     override suspend fun preserve(recipe: AddRecipeRequest) {
         logger.v { "preserveRecipe() called with: recipe = $recipe" }

app/src/main/java/gq/kirmanak/mealient/data/add/impl/AddRecipeService.kt

@@ -1,12 +0,0 @@
-package gq.kirmanak.mealient.data.add.impl
-
-import gq.kirmanak.mealient.data.add.models.AddRecipeRequest
-import retrofit2.http.Body
-import retrofit2.http.POST
-
-interface AddRecipeService {
-
-    @POST("/api/recipes/create")
-    suspend fun addRecipe(@Body addRecipeRequest: AddRecipeRequest): String
-
-}

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

@@ -4,5 +4,5 @@ interface AuthDataSource {
     /**
      * Tries to acquire authentication token using the provided credentials
      */
-    suspend fun authenticate(username: String, password: String): String
+    suspend fun authenticate(username: String, password: String, baseUrl: String): String
 }

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

@@ -1,56 +1,25 @@
 package gq.kirmanak.mealient.data.auth.impl
 
 import gq.kirmanak.mealient.data.auth.AuthDataSource
-import gq.kirmanak.mealient.data.network.ErrorDetail
+import gq.kirmanak.mealient.datasource.MealieDataSource
-import gq.kirmanak.mealient.data.network.NetworkError.NotMealie
-import gq.kirmanak.mealient.data.network.NetworkError.Unauthorized
-import gq.kirmanak.mealient.data.network.ServiceFactory
-import gq.kirmanak.mealient.extensions.decodeErrorBody
 import gq.kirmanak.mealient.extensions.logAndMapErrors
 import gq.kirmanak.mealient.logging.Logger
-import kotlinx.serialization.json.Json
-import retrofit2.HttpException
-import retrofit2.Response
 import javax.inject.Inject
 import javax.inject.Singleton
 
 @Singleton
 class AuthDataSourceImpl @Inject constructor(
-    private val authServiceFactory: ServiceFactory<AuthService>,
-    private val json: Json,
     private val logger: Logger,
+    private val mealieDataSource: MealieDataSource,
 ) : AuthDataSource {
 
-    override suspend fun authenticate(username: String, password: String): String {
+    override suspend fun authenticate(username: String, password: String, baseUrl: String): String {
         logger.v { "authenticate() called with: username = $username, password = $password" }
-        val authService = authServiceFactory.provideService()
+        val accessToken = logger.logAndMapErrors(
-        val response = sendRequest(authService, username, password)
+            block = { mealieDataSource.authenticate(baseUrl, username, password) },
-        val accessToken = parseToken(response)
+            logProvider = { "sendRequest: can't get token" },
+        )
         logger.v { "authenticate() returned: $accessToken" }
         return accessToken
     }
-
-    private suspend fun sendRequest(
-        authService: AuthService,
-        username: String,
-        password: String
-    ): Response<GetTokenResponse> = logger.logAndMapErrors(
-        block = { authService.getToken(username = username, password = password) },
-        logProvider = { "sendRequest: can't get token" },
-    )
-
-    private fun parseToken(
-        response: Response<GetTokenResponse>
-    ): String = if (response.isSuccessful) {
-        response.body()?.accessToken ?: throw NotMealie(NullPointerException("Body is null"))
-    } else {
-        val cause = HttpException(response)
-        val errorDetail = json.runCatching<Json, ErrorDetail> { decodeErrorBody(response) }
-            .onFailure { logger.e(it) { "Can't decode error body" } }
-            .getOrNull()
-        throw when (errorDetail?.detail) {
-            "Unauthorized" -> Unauthorized(cause)
-            else -> NotMealie(cause)
-        }
-    }
 }

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

@@ -3,6 +3,7 @@ package gq.kirmanak.mealient.data.auth.impl
 import gq.kirmanak.mealient.data.auth.AuthDataSource
 import gq.kirmanak.mealient.data.auth.AuthRepo
 import gq.kirmanak.mealient.data.auth.AuthStorage
+import gq.kirmanak.mealient.data.baseurl.BaseURLStorage
 import gq.kirmanak.mealient.extensions.runCatchingExceptCancel
 import gq.kirmanak.mealient.logging.Logger
 import kotlinx.coroutines.flow.Flow
@@ -14,6 +15,7 @@ import javax.inject.Singleton
 class AuthRepoImpl @Inject constructor(
     private val authStorage: AuthStorage,
     private val authDataSource: AuthDataSource,
+    private val baseURLStorage: BaseURLStorage,
     private val logger: Logger,
 ) : AuthRepo {
 
@@ -22,7 +24,7 @@ class AuthRepoImpl @Inject constructor(
 
     override suspend fun authenticate(email: String, password: String) {
         logger.v { "authenticate() called with: email = $email, password = $password" }
-        authDataSource.authenticate(email, password)
+        authDataSource.authenticate(email, password, baseURLStorage.requireBaseURL())
             .let { AUTH_HEADER_FORMAT.format(it) }
             .let { authStorage.setAuthHeader(it) }
         authStorage.setEmail(email)

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

@@ -1,15 +0,0 @@
-package gq.kirmanak.mealient.data.auth.impl
-
-import retrofit2.Response
-import retrofit2.http.Field
-import retrofit2.http.FormUrlEncoded
-import retrofit2.http.POST
-
-interface AuthService {
-    @FormUrlEncoded
-    @POST("/api/auth/token")
-    suspend fun getToken(
-        @Field("username") username: String,
-        @Field("password") password: String,
-    ): Response<GetTokenResponse>
-}

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

@@ -1,9 +1,6 @@
 package gq.kirmanak.mealient.data.baseurl
 
-import gq.kirmanak.mealient.data.network.NetworkError
-
 interface VersionDataSource {
 
-    @Throws(NetworkError::class)
     suspend fun getVersionInfo(baseUrl: String): VersionInfo
 }

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

@@ -2,7 +2,7 @@ package gq.kirmanak.mealient.data.baseurl.impl
 
 import gq.kirmanak.mealient.data.baseurl.VersionDataSource
 import gq.kirmanak.mealient.data.baseurl.VersionInfo
-import gq.kirmanak.mealient.data.network.ServiceFactory
+import gq.kirmanak.mealient.data.network.MealieDataSourceWrapper
 import gq.kirmanak.mealient.extensions.logAndMapErrors
 import gq.kirmanak.mealient.extensions.versionInfo
 import gq.kirmanak.mealient.logging.Logger
@@ -11,16 +11,15 @@ import javax.inject.Singleton
 
 @Singleton
 class VersionDataSourceImpl @Inject constructor(
-    private val serviceFactory: ServiceFactory<VersionService>,
     private val logger: Logger,
+    private val mealieDataSourceWrapper: MealieDataSourceWrapper,
 ) : VersionDataSource {
 
     override suspend fun getVersionInfo(baseUrl: String): VersionInfo {
         logger.v { "getVersionInfo() called with: baseUrl = $baseUrl" }
 
-        val service = serviceFactory.provideService(baseUrl)
         val response = logger.logAndMapErrors(
-            block = { service.getVersion() },
+            block = { mealieDataSourceWrapper.getVersionInfo(baseUrl) },
             logProvider = { "getVersionInfo: can't request version" }
         )
 

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

@@ -1,8 +0,0 @@
-package gq.kirmanak.mealient.data.baseurl.impl
-
-import retrofit2.http.GET
-
-interface VersionService {
-    @GET("api/debug/version")
-    suspend fun getVersion(): VersionResponse
-}

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

@@ -1,43 +0,0 @@
-package gq.kirmanak.mealient.data.network
-
-import gq.kirmanak.mealient.data.auth.AuthRepo
-import kotlinx.coroutines.runBlocking
-import okhttp3.Interceptor
-import okhttp3.Response
-import javax.inject.Inject
-import javax.inject.Singleton
-
-@Singleton
-class AuthenticationInterceptor @Inject constructor(
-    private val authRepo: AuthRepo,
-) : Interceptor {
-
-    private val authHeader: String?
-        get() = runBlocking { authRepo.getAuthHeader() }
-
-    override fun intercept(chain: Interceptor.Chain): Response {
-        val currentHeader = authHeader ?: return chain.proceed(chain.request())
-        val response = proceedWithAuthHeader(chain, currentHeader)
-        return if (listOf(401, 403).contains(response.code)) {
-            runBlocking { authRepo.invalidateAuthHeader() }
-            // Try again with new auth header (if any) or return previous response
-            authHeader?.let { proceedWithAuthHeader(chain, it) } ?: response
-        } else {
-            response
-        }
-    }
-
-    private fun proceedWithAuthHeader(
-        chain: Interceptor.Chain,
-        authHeader: String,
-    ) = chain.proceed(
-        chain.request()
-            .newBuilder()
-            .header(HEADER_NAME, authHeader)
-            .build()
-    )
-
-    companion object {
-        private const val HEADER_NAME = "Authorization"
-    }
-}

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

@@ -0,0 +1,49 @@
+package gq.kirmanak.mealient.data.network
+
+import gq.kirmanak.mealient.data.auth.AuthRepo
+import gq.kirmanak.mealient.data.baseurl.BaseURLStorage
+import gq.kirmanak.mealient.datasource.MealieDataSource
+import gq.kirmanak.mealient.datasource.models.*
+import gq.kirmanak.mealient.datasource.models.NetworkError
+import javax.inject.Inject
+import javax.inject.Singleton
+
+@Singleton
+class MealieDataSourceWrapper @Inject constructor(
+    private val baseURLStorage: BaseURLStorage,
+    private val authRepo: AuthRepo,
+    private val mealieDataSource: MealieDataSource,
+) {
+
+    suspend fun addRecipe(recipe: AddRecipeRequest): String {
+        val baseUrl = baseURLStorage.requireBaseURL()
+        return withAuthHeader { token -> addRecipe(baseUrl, token, recipe) }
+    }
+
+    suspend fun getVersionInfo(baseUrl: String): VersionResponse {
+        return mealieDataSource.getVersionInfo(baseUrl)
+    }
+
+    suspend fun requestRecipes(
+        start: Int = 0,
+        limit: Int = 9999,
+    ): List<GetRecipeSummaryResponse> {
+        val baseUrl = baseURLStorage.requireBaseURL()
+        return withAuthHeader { token -> requestRecipes(baseUrl, token, start, limit) }
+    }
+
+    suspend fun requestRecipeInfo(slug: String): GetRecipeResponse {
+        val baseUrl = baseURLStorage.requireBaseURL()
+        return withAuthHeader { token -> requestRecipeInfo(baseUrl, token, slug) }
+    }
+
+    private suspend inline fun <T> withAuthHeader(block: MealieDataSource.(String?) -> T): T =
+        mealieDataSource.runCatching { block(authRepo.getAuthHeader()) }.getOrElse {
+            if (it is NetworkError.Unauthorized) {
+                authRepo.invalidateAuthHeader()
+                mealieDataSource.block(authRepo.getAuthHeader())
+            } else {
+                throw it
+            }
+        }
+}

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

@@ -1,28 +0,0 @@
-package gq.kirmanak.mealient.data.network
-
-import com.jakewharton.retrofit2.converter.kotlinx.serialization.asConverterFactory
-import gq.kirmanak.mealient.logging.Logger
-import kotlinx.serialization.ExperimentalSerializationApi
-import kotlinx.serialization.json.Json
-import okhttp3.MediaType.Companion.toMediaType
-import okhttp3.OkHttpClient
-import retrofit2.Retrofit
-
-class RetrofitBuilder(
-    private val okHttpClient: OkHttpClient,
-    private val json: Json,
-    private val logger: Logger,
-) {
-
-    @OptIn(ExperimentalSerializationApi::class)
-    fun buildRetrofit(baseUrl: String): Retrofit {
-        logger.v { "buildRetrofit() called with: baseUrl = $baseUrl" }
-        val contentType = "application/json".toMediaType()
-        val converterFactory = json.asConverterFactory(contentType)
-        return Retrofit.Builder()
-            .baseUrl(baseUrl)
-            .client(okHttpClient)
-            .addConverterFactory(converterFactory)
-            .build()
-    }
-}

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

@@ -1,37 +0,0 @@
-package gq.kirmanak.mealient.data.network
-
-import gq.kirmanak.mealient.data.baseurl.BaseURLStorage
-import gq.kirmanak.mealient.extensions.runCatchingExceptCancel
-import gq.kirmanak.mealient.logging.Logger
-
-inline fun <reified T> RetrofitBuilder.createServiceFactory(
-    baseURLStorage: BaseURLStorage,
-    logger: Logger
-) =
-    RetrofitServiceFactory(T::class.java, this, baseURLStorage, logger)
-
-class RetrofitServiceFactory<T>(
-    private val serviceClass: Class<T>,
-    private val retrofitBuilder: RetrofitBuilder,
-    private val baseURLStorage: BaseURLStorage,
-    private val logger: Logger,
-) : ServiceFactory<T> {
-
-    private val cache: MutableMap<String, T> = mutableMapOf()
-
-    override suspend fun provideService(baseUrl: String?): T = runCatchingExceptCancel {
-        logger.v { "provideService() called with: baseUrl = $baseUrl, class = ${serviceClass.simpleName}" }
-        val url = baseUrl ?: baseURLStorage.requireBaseURL()
-        synchronized(cache) { cache[url] ?: createService(url, serviceClass) }
-    }.getOrElse {
-        logger.e(it) { "provideService: can't provide service for $baseUrl" }
-        throw NetworkError.MalformedUrl(it)
-    }
-
-    private fun createService(url: String, serviceClass: Class<T>): T {
-        logger.v { "createService() called with: url = $url, serviceClass = ${serviceClass.simpleName}" }
-        val service = retrofitBuilder.buildRetrofit(url).create(serviceClass)
-        cache[url] = service
-        return service
-    }
-}

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

@@ -1,6 +0,0 @@
-package gq.kirmanak.mealient.data.network
-
-interface ServiceFactory<T> {
-
-    suspend fun provideService(baseUrl: String? = null): T
-}

app/src/main/java/gq/kirmanak/mealient/data/recipes/db/RecipeStorage.kt

@@ -1,10 +1,10 @@
 package gq.kirmanak.mealient.data.recipes.db
 
 import androidx.paging.PagingSource
-import gq.kirmanak.mealient.data.recipes.network.response.GetRecipeResponse
-import gq.kirmanak.mealient.data.recipes.network.response.GetRecipeSummaryResponse
 import gq.kirmanak.mealient.database.recipe.entity.FullRecipeInfo
 import gq.kirmanak.mealient.database.recipe.entity.RecipeSummaryEntity
+import gq.kirmanak.mealient.datasource.models.GetRecipeResponse
+import gq.kirmanak.mealient.datasource.models.GetRecipeSummaryResponse
 
 interface RecipeStorage {
     suspend fun saveRecipes(recipes: List<GetRecipeSummaryResponse>)

app/src/main/java/gq/kirmanak/mealient/data/recipes/db/RecipeStorageImpl.kt

@@ -2,11 +2,11 @@ package gq.kirmanak.mealient.data.recipes.db
 
 import androidx.paging.PagingSource
 import androidx.room.withTransaction
-import gq.kirmanak.mealient.data.recipes.network.response.GetRecipeResponse
-import gq.kirmanak.mealient.data.recipes.network.response.GetRecipeSummaryResponse
 import gq.kirmanak.mealient.database.AppDb
 import gq.kirmanak.mealient.database.recipe.RecipeDao
 import gq.kirmanak.mealient.database.recipe.entity.*
+import gq.kirmanak.mealient.datasource.models.GetRecipeResponse
+import gq.kirmanak.mealient.datasource.models.GetRecipeSummaryResponse
 import gq.kirmanak.mealient.extensions.recipeEntity
 import gq.kirmanak.mealient.extensions.toRecipeEntity
 import gq.kirmanak.mealient.extensions.toRecipeIngredientEntity

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

@@ -1,7 +1,7 @@
 package gq.kirmanak.mealient.data.recipes.network
 
-import gq.kirmanak.mealient.data.recipes.network.response.GetRecipeResponse
+import gq.kirmanak.mealient.datasource.models.GetRecipeResponse
-import gq.kirmanak.mealient.data.recipes.network.response.GetRecipeSummaryResponse
+import gq.kirmanak.mealient.datasource.models.GetRecipeSummaryResponse
 
 interface RecipeDataSource {
     suspend fun requestRecipes(start: Int = 0, limit: Int = 9999): List<GetRecipeSummaryResponse>

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

@@ -1,34 +1,30 @@
 package gq.kirmanak.mealient.data.recipes.network
 
-import gq.kirmanak.mealient.data.network.ServiceFactory
+import gq.kirmanak.mealient.data.network.MealieDataSourceWrapper
-import gq.kirmanak.mealient.data.recipes.network.response.GetRecipeResponse
+import gq.kirmanak.mealient.datasource.models.GetRecipeResponse
-import gq.kirmanak.mealient.data.recipes.network.response.GetRecipeSummaryResponse
+import gq.kirmanak.mealient.datasource.models.GetRecipeSummaryResponse
 import gq.kirmanak.mealient.logging.Logger
 import javax.inject.Inject
 import javax.inject.Singleton
 
 @Singleton
 class RecipeDataSourceImpl @Inject constructor(
-    private val recipeServiceFactory: ServiceFactory<RecipeService>,
     private val logger: Logger,
+    private val mealieDataSourceWrapper: MealieDataSourceWrapper,
 ) : RecipeDataSource {
 
     override suspend fun requestRecipes(start: Int, limit: Int): List<GetRecipeSummaryResponse> {
         logger.v { "requestRecipes() called with: start = $start, limit = $limit" }
-        val recipeSummary = getRecipeService().getRecipeSummary(start, limit)
+        val recipeSummary = mealieDataSourceWrapper.requestRecipes(start, limit)
         logger.v { "requestRecipes() returned: $recipeSummary" }
         return recipeSummary
     }
 
     override suspend fun requestRecipeInfo(slug: String): GetRecipeResponse {
         logger.v { "requestRecipeInfo() called with: slug = $slug" }
-        val recipeInfo = getRecipeService().getRecipe(slug)
+        val recipeInfo = mealieDataSourceWrapper.requestRecipeInfo(slug)
         logger.v { "requestRecipeInfo() returned: $recipeInfo" }
         return recipeInfo
     }
 
-    private suspend fun getRecipeService(): RecipeService {
-        logger.v { "getRecipeService() called" }
-        return recipeServiceFactory.provideService()
-    }
 }

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

@@ -1,20 +0,0 @@
-package gq.kirmanak.mealient.data.recipes.network
-
-import gq.kirmanak.mealient.data.recipes.network.response.GetRecipeResponse
-import gq.kirmanak.mealient.data.recipes.network.response.GetRecipeSummaryResponse
-import retrofit2.http.GET
-import retrofit2.http.Path
-import retrofit2.http.Query
-
-interface RecipeService {
-    @GET("/api/recipes/summary")
-    suspend fun getRecipeSummary(
-        @Query("start") start: Int,
-        @Query("limit") limit: Int,
-    ): List<GetRecipeSummaryResponse>
-
-    @GET("/api/recipes/{recipe_slug}")
-    suspend fun getRecipe(
-        @Path("recipe_slug") recipeSlug: String,
-    ): GetRecipeResponse
-}

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

@@ -2,46 +2,20 @@ package gq.kirmanak.mealient.di
 
 import dagger.Binds
 import dagger.Module
-import dagger.Provides
 import dagger.hilt.InstallIn
 import dagger.hilt.components.SingletonComponent
 import gq.kirmanak.mealient.data.add.AddRecipeDataSource
 import gq.kirmanak.mealient.data.add.AddRecipeRepo
 import gq.kirmanak.mealient.data.add.impl.AddRecipeDataSourceImpl
 import gq.kirmanak.mealient.data.add.impl.AddRecipeRepoImpl
-import gq.kirmanak.mealient.data.add.impl.AddRecipeService
-import gq.kirmanak.mealient.data.baseurl.BaseURLStorage
-import gq.kirmanak.mealient.data.network.RetrofitBuilder
-import gq.kirmanak.mealient.data.network.ServiceFactory
-import gq.kirmanak.mealient.data.network.createServiceFactory
 import gq.kirmanak.mealient.datastore.recipe.AddRecipeStorage
 import gq.kirmanak.mealient.datastore.recipe.AddRecipeStorageImpl
-import gq.kirmanak.mealient.logging.Logger
-import kotlinx.serialization.json.Json
-import okhttp3.OkHttpClient
-import javax.inject.Named
 import javax.inject.Singleton
 
 @Module
 @InstallIn(SingletonComponent::class)
 interface AddRecipeModule {
 
-    companion object {
-
-        @Provides
-        @Singleton
-        fun provideAddRecipeServiceFactory(
-            @Named(AUTH_OK_HTTP) okHttpClient: OkHttpClient,
-            json: Json,
-            logger: Logger,
-            baseURLStorage: BaseURLStorage,
-        ): ServiceFactory<AddRecipeService> {
-            return RetrofitBuilder(okHttpClient, json, logger).createServiceFactory(
-                baseURLStorage,
-                logger
-            )
-        }
-    }
 
     @Binds
     @Singleton

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

@@ -13,16 +13,7 @@ import gq.kirmanak.mealient.data.auth.AuthRepo
 import gq.kirmanak.mealient.data.auth.AuthStorage
 import gq.kirmanak.mealient.data.auth.impl.AuthDataSourceImpl
 import gq.kirmanak.mealient.data.auth.impl.AuthRepoImpl
-import gq.kirmanak.mealient.data.auth.impl.AuthService
 import gq.kirmanak.mealient.data.auth.impl.AuthStorageImpl
-import gq.kirmanak.mealient.data.baseurl.BaseURLStorage
-import gq.kirmanak.mealient.data.network.RetrofitBuilder
-import gq.kirmanak.mealient.data.network.ServiceFactory
-import gq.kirmanak.mealient.data.network.createServiceFactory
-import gq.kirmanak.mealient.logging.Logger
-import kotlinx.serialization.json.Json
-import okhttp3.OkHttpClient
-import javax.inject.Named
 import javax.inject.Singleton
 
 @Module
@@ -31,20 +22,6 @@ interface AuthModule {
 
     companion object {
 
-        @Provides
-        @Singleton
-        fun provideAuthServiceFactory(
-            @Named(NO_AUTH_OK_HTTP) okHttpClient: OkHttpClient,
-            json: Json,
-            logger: Logger,
-            baseURLStorage: BaseURLStorage,
-        ): ServiceFactory<AuthService> {
-            return RetrofitBuilder(okHttpClient, json, logger).createServiceFactory(
-                baseURLStorage,
-                logger
-            )
-        }
-
         @Provides
         @Singleton
         fun provideAccountManager(@ApplicationContext context: Context): AccountManager {

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

@@ -2,44 +2,18 @@ package gq.kirmanak.mealient.di
 
 import dagger.Binds
 import dagger.Module
-import dagger.Provides
 import dagger.hilt.InstallIn
 import dagger.hilt.components.SingletonComponent
 import gq.kirmanak.mealient.data.baseurl.BaseURLStorage
 import gq.kirmanak.mealient.data.baseurl.VersionDataSource
 import gq.kirmanak.mealient.data.baseurl.impl.BaseURLStorageImpl
 import gq.kirmanak.mealient.data.baseurl.impl.VersionDataSourceImpl
-import gq.kirmanak.mealient.data.baseurl.impl.VersionService
-import gq.kirmanak.mealient.data.network.RetrofitBuilder
-import gq.kirmanak.mealient.data.network.ServiceFactory
-import gq.kirmanak.mealient.data.network.createServiceFactory
-import gq.kirmanak.mealient.logging.Logger
-import kotlinx.serialization.json.Json
-import okhttp3.OkHttpClient
-import javax.inject.Named
 import javax.inject.Singleton
 
 @Module
 @InstallIn(SingletonComponent::class)
 interface BaseURLModule {
 
-    companion object {
-
-        @Provides
-        @Singleton
-        fun provideVersionServiceFactory(
-            @Named(AUTH_OK_HTTP) okHttpClient: OkHttpClient,
-            json: Json,
-            logger: Logger,
-            baseURLStorage: BaseURLStorage,
-        ): ServiceFactory<VersionService> {
-            return RetrofitBuilder(okHttpClient, json, logger).createServiceFactory(
-                baseURLStorage,
-                logger
-            )
-        }
-    }
-
     @Binds
     @Singleton
     fun bindVersionDataSource(versionDataSourceImpl: VersionDataSourceImpl): VersionDataSource

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

@@ -8,7 +8,6 @@ import gq.kirmanak.mealient.database.recipe.entity.RecipeSummaryEntity
 import gq.kirmanak.mealient.logging.Logger
 import okhttp3.OkHttpClient
 import java.io.InputStream
-import javax.inject.Named
 
 @EntryPoint
 @InstallIn(SingletonComponent::class)
@@ -16,7 +15,6 @@ interface GlideModuleEntryPoint {
 
     fun provideLogger(): Logger
 
-    @Named(AUTH_OK_HTTP)
     fun provideOkHttp(): OkHttpClient
 
     fun provideRecipeLoaderFactory(): ModelLoaderFactory<RecipeSummaryEntity, InputStream>

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

@@ -1,50 +0,0 @@
-package gq.kirmanak.mealient.di
-
-import dagger.Module
-import dagger.Provides
-import dagger.hilt.InstallIn
-import dagger.hilt.components.SingletonComponent
-import gq.kirmanak.mealient.data.network.AuthenticationInterceptor
-import kotlinx.serialization.json.Json
-import okhttp3.Interceptor
-import okhttp3.OkHttpClient
-import javax.inject.Named
-import javax.inject.Singleton
-
-const val AUTH_OK_HTTP = "auth"
-const val NO_AUTH_OK_HTTP = "noauth"
-
-@Module
-@InstallIn(SingletonComponent::class)
-object NetworkModule {
-
-    @Provides
-    @Singleton
-    @Named(AUTH_OK_HTTP)
-    fun createAuthOkHttp(
-        // Use @JvmSuppressWildcards because otherwise dagger can't inject it (https://stackoverflow.com/a/43149382)
-        interceptors: Set<@JvmSuppressWildcards Interceptor>,
-        authenticationInterceptor: AuthenticationInterceptor,
-    ): OkHttpClient = OkHttpClient.Builder()
-        .addInterceptor(authenticationInterceptor)
-        .apply { for (interceptor in interceptors) addNetworkInterceptor(interceptor) }
-        .build()
-
-    @Provides
-    @Singleton
-    @Named(NO_AUTH_OK_HTTP)
-    fun createNoAuthOkHttp(
-        // Use @JvmSuppressWildcards because otherwise dagger can't inject it (https://stackoverflow.com/a/43149382)
-        interceptors: Set<@JvmSuppressWildcards Interceptor>,
-    ): OkHttpClient = OkHttpClient.Builder()
-        .apply { for (interceptor in interceptors) addNetworkInterceptor(interceptor) }
-        .build()
-
-    @Provides
-    @Singleton
-    fun createJson(): Json = Json {
-        coerceInputValues = true
-        ignoreUnknownKeys = true
-        encodeDefaults = true
-    }
-}

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

@@ -9,10 +9,6 @@ import dagger.Provides
 import dagger.hilt.InstallIn
 import dagger.hilt.components.SingletonComponent
 import gq.kirmanak.mealient.R
-import gq.kirmanak.mealient.data.baseurl.BaseURLStorage
-import gq.kirmanak.mealient.data.network.RetrofitBuilder
-import gq.kirmanak.mealient.data.network.ServiceFactory
-import gq.kirmanak.mealient.data.network.createServiceFactory
 import gq.kirmanak.mealient.data.recipes.RecipeRepo
 import gq.kirmanak.mealient.data.recipes.db.RecipeStorage
 import gq.kirmanak.mealient.data.recipes.db.RecipeStorageImpl
@@ -21,14 +17,9 @@ import gq.kirmanak.mealient.data.recipes.impl.RecipeImageUrlProviderImpl
 import gq.kirmanak.mealient.data.recipes.impl.RecipeRepoImpl
 import gq.kirmanak.mealient.data.recipes.network.RecipeDataSource
 import gq.kirmanak.mealient.data.recipes.network.RecipeDataSourceImpl
-import gq.kirmanak.mealient.data.recipes.network.RecipeService
 import gq.kirmanak.mealient.database.recipe.entity.RecipeSummaryEntity
-import gq.kirmanak.mealient.logging.Logger
 import gq.kirmanak.mealient.ui.recipes.images.RecipeModelLoaderFactory
-import kotlinx.serialization.json.Json
-import okhttp3.OkHttpClient
 import java.io.InputStream
-import javax.inject.Named
 import javax.inject.Singleton
 
 @Module
@@ -57,20 +48,6 @@ interface RecipeModule {
 
     companion object {
 
-        @Provides
-        @Singleton
-        fun provideRecipeServiceFactory(
-            @Named(AUTH_OK_HTTP) okHttpClient: OkHttpClient,
-            json: Json,
-            logger: Logger,
-            baseURLStorage: BaseURLStorage,
-        ): ServiceFactory<RecipeService> {
-            return RetrofitBuilder(okHttpClient, json, logger).createServiceFactory(
-                baseURLStorage,
-                logger
-            )
-        }
-
         @Provides
         @Singleton
         fun provideRecipePagingSourceFactory(

app/src/main/java/gq/kirmanak/mealient/extensions/NetworkExtensions.kt

@@ -1,25 +1,7 @@
 package gq.kirmanak.mealient.extensions
 
-import gq.kirmanak.mealient.data.network.NetworkError
+import gq.kirmanak.mealient.datasource.mapToNetworkError
 import gq.kirmanak.mealient.logging.Logger
-import kotlinx.serialization.ExperimentalSerializationApi
-import kotlinx.serialization.SerializationException
-import kotlinx.serialization.json.Json
-import kotlinx.serialization.json.decodeFromStream
-import retrofit2.HttpException
-import retrofit2.Response
-
-@OptIn(ExperimentalSerializationApi::class)
-inline fun <T, reified R> Json.decodeErrorBody(response: Response<T>): R =
-    checkNotNull(response.errorBody()) { "Can't decode absent error body" }
-        .byteStream()
-        .let(::decodeFromStream)
-
-
-fun Throwable.mapToNetworkError(): NetworkError = when (this) {
-    is HttpException, is SerializationException -> NetworkError.NotMealie(this)
-    else -> NetworkError.NoServerConnection(this)
-}
 
 inline fun <T> Logger.logAndMapErrors(
     block: () -> T,

app/src/main/java/gq/kirmanak/mealient/extensions/RemoteToLocalMappings.kt

@@ -1,15 +1,12 @@
 package gq.kirmanak.mealient.extensions
 
 import gq.kirmanak.mealient.data.baseurl.VersionInfo
-import gq.kirmanak.mealient.data.baseurl.impl.VersionResponse
-import gq.kirmanak.mealient.data.recipes.network.response.GetRecipeIngredientResponse
-import gq.kirmanak.mealient.data.recipes.network.response.GetRecipeInstructionResponse
-import gq.kirmanak.mealient.data.recipes.network.response.GetRecipeResponse
-import gq.kirmanak.mealient.data.recipes.network.response.GetRecipeSummaryResponse
 import gq.kirmanak.mealient.database.recipe.entity.RecipeEntity
 import gq.kirmanak.mealient.database.recipe.entity.RecipeIngredientEntity
 import gq.kirmanak.mealient.database.recipe.entity.RecipeInstructionEntity
 import gq.kirmanak.mealient.database.recipe.entity.RecipeSummaryEntity
+import gq.kirmanak.mealient.datasource.models.*
+import gq.kirmanak.mealient.datastore.recipe.AddRecipeDraft
 
 fun GetRecipeResponse.toRecipeEntity() = RecipeEntity(
     remoteId = remoteId,
@@ -46,3 +43,25 @@ fun GetRecipeSummaryResponse.recipeEntity() = RecipeSummaryEntity(
 )
 
 fun VersionResponse.versionInfo() = VersionInfo(production, version, demoStatus)
+
+fun AddRecipeDraft.toAddRecipeRequest() = AddRecipeRequest(
+    name = recipeName,
+    description = recipeDescription,
+    recipeYield = recipeYield,
+    recipeIngredient = recipeIngredients.map { AddRecipeIngredient(note = it) },
+    recipeInstructions = recipeInstructions.map { AddRecipeInstruction(text = it) },
+    settings = AddRecipeSettings(
+        public = isRecipePublic,
+        disableComments = areCommentsDisabled,
+    )
+)
+
+fun AddRecipeRequest.toDraft(): AddRecipeDraft = AddRecipeDraft(
+    recipeName = name,
+    recipeDescription = description,
+    recipeYield = recipeYield,
+    recipeInstructions = recipeInstructions.map { it.text },
+    recipeIngredients = recipeIngredient.map { it.note },
+    isRecipePublic = settings.public,
+    areCommentsDisabled = settings.disableComments,
+)

app/src/main/java/gq/kirmanak/mealient/ui/add/AddRecipeFragment.kt

@@ -12,12 +12,12 @@ import androidx.fragment.app.viewModels
 import by.kirich1409.viewbindingdelegate.viewBinding
 import dagger.hilt.android.AndroidEntryPoint
 import gq.kirmanak.mealient.R
-import gq.kirmanak.mealient.data.add.models.AddRecipeIngredient
-import gq.kirmanak.mealient.data.add.models.AddRecipeInstruction
-import gq.kirmanak.mealient.data.add.models.AddRecipeRequest
-import gq.kirmanak.mealient.data.add.models.AddRecipeSettings
 import gq.kirmanak.mealient.databinding.FragmentAddRecipeBinding
 import gq.kirmanak.mealient.databinding.ViewSingleInputBinding
+import gq.kirmanak.mealient.datasource.models.AddRecipeIngredient
+import gq.kirmanak.mealient.datasource.models.AddRecipeInstruction
+import gq.kirmanak.mealient.datasource.models.AddRecipeRequest
+import gq.kirmanak.mealient.datasource.models.AddRecipeSettings
 import gq.kirmanak.mealient.extensions.checkIfInputIsEmpty
 import gq.kirmanak.mealient.extensions.collectWhenViewResumed
 import gq.kirmanak.mealient.logging.Logger

app/src/main/java/gq/kirmanak/mealient/ui/add/AddRecipeViewModel.kt

@@ -4,7 +4,7 @@ import androidx.lifecycle.ViewModel
 import androidx.lifecycle.viewModelScope
 import dagger.hilt.android.lifecycle.HiltViewModel
 import gq.kirmanak.mealient.data.add.AddRecipeRepo
-import gq.kirmanak.mealient.data.add.models.AddRecipeRequest
+import gq.kirmanak.mealient.datasource.models.AddRecipeRequest
 import gq.kirmanak.mealient.extensions.runCatchingExceptCancel
 import gq.kirmanak.mealient.logging.Logger
 import kotlinx.coroutines.channels.Channel

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

@@ -9,8 +9,8 @@ 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.FragmentAuthenticationBinding
+import gq.kirmanak.mealient.datasource.models.NetworkError
 import gq.kirmanak.mealient.extensions.checkIfInputIsEmpty
 import gq.kirmanak.mealient.logging.Logger
 import gq.kirmanak.mealient.ui.OperationUiState

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

@@ -9,8 +9,8 @@ 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.datasource.models.NetworkError
 import gq.kirmanak.mealient.extensions.checkIfInputIsEmpty
 import gq.kirmanak.mealient.logging.Logger
 import gq.kirmanak.mealient.ui.OperationUiState

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

@@ -1,12 +1,12 @@
 package gq.kirmanak.mealient.ui.recipes.images
 
 import com.bumptech.glide.load.Options
-import com.bumptech.glide.load.model.GlideUrl
+import com.bumptech.glide.load.model.*
-import com.bumptech.glide.load.model.ModelCache
-import com.bumptech.glide.load.model.ModelLoader
 import com.bumptech.glide.load.model.stream.BaseGlideUrlLoader
+import gq.kirmanak.mealient.data.auth.AuthRepo
 import gq.kirmanak.mealient.data.recipes.impl.RecipeImageUrlProvider
 import gq.kirmanak.mealient.database.recipe.entity.RecipeSummaryEntity
+import gq.kirmanak.mealient.datasource.DataSourceModule.Companion.AUTHORIZATION_HEADER_NAME
 import gq.kirmanak.mealient.logging.Logger
 import kotlinx.coroutines.runBlocking
 import java.io.InputStream
@@ -16,6 +16,7 @@ import javax.inject.Singleton
 class RecipeModelLoader private constructor(
     private val recipeImageUrlProvider: RecipeImageUrlProvider,
     private val logger: Logger,
+    private val authRepo: AuthRepo,
     concreteLoader: ModelLoader<GlideUrl, InputStream>,
     cache: ModelCache<RecipeSummaryEntity, GlideUrl>,
 ) : BaseGlideUrlLoader<RecipeSummaryEntity>(concreteLoader, cache) {
@@ -24,12 +25,13 @@ class RecipeModelLoader private constructor(
     class Factory @Inject constructor(
         private val recipeImageUrlProvider: RecipeImageUrlProvider,
         private val logger: Logger,
+        private val authRepo: AuthRepo,
     ) {
 
         fun build(
             concreteLoader: ModelLoader<GlideUrl, InputStream>,
             cache: ModelCache<RecipeSummaryEntity, GlideUrl>,
-        ) = RecipeModelLoader(recipeImageUrlProvider, logger, concreteLoader, cache)
+        ) = RecipeModelLoader(recipeImageUrlProvider, logger, authRepo, concreteLoader, cache)
 
     }
 
@@ -44,4 +46,20 @@ class RecipeModelLoader private constructor(
         logger.v { "getUrl() called with: model = $model, width = $width, height = $height, options = $options" }
         return runBlocking { recipeImageUrlProvider.generateImageUrl(model?.slug) }
     }
+
+    override fun getHeaders(
+        model: RecipeSummaryEntity?,
+        width: Int,
+        height: Int,
+        options: Options?
+    ): Headers? {
+        val authorization = runBlocking { authRepo.getAuthHeader() }
+        return if (authorization.isNullOrBlank()) {
+            super.getHeaders(model, width, height, options)
+        } else {
+            LazyHeaders.Builder()
+                .setHeader(AUTHORIZATION_HEADER_NAME, authorization)
+                .build()
+        }
+    }
 }

datasource/.gitignore

@@ -0,0 +1 @@
+/build

datasource/build.gradle.kts

@@ -0,0 +1,45 @@
+plugins {
+    id("gq.kirmanak.mealient.library")
+    id("kotlin-kapt")
+    id("dagger.hilt.android.plugin")
+    id("org.jetbrains.kotlin.plugin.serialization")
+}
+
+android {
+    defaultConfig {
+        buildConfigField("Boolean", "LOG_NETWORK", "false")
+    }
+    namespace = "gq.kirmanak.mealient.datasource"
+}
+
+dependencies {
+    implementation(project(":logging"))
+
+    implementation(libs.google.dagger.hiltAndroid)
+    kapt(libs.google.dagger.hiltCompiler)
+    kaptTest(libs.google.dagger.hiltAndroidCompiler)
+    testImplementation(libs.google.dagger.hiltAndroidTesting)
+
+    implementation(libs.jetbrains.kotlinx.datetime)
+
+    implementation(libs.jetbrains.kotlinx.serialization)
+
+    implementation(libs.squareup.retrofit)
+
+    implementation(libs.jakewharton.retrofitSerialization)
+
+    implementation(platform(libs.okhttp3.bom))
+    implementation(libs.okhttp3.okhttp)
+    debugImplementation(libs.okhttp3.loggingInterceptor)
+
+    implementation(libs.jetbrains.kotlinx.coroutinesAndroid)
+    testImplementation(libs.jetbrains.kotlinx.coroutinesTest)
+
+    testImplementation(libs.androidx.test.junit)
+
+    testImplementation(libs.google.truth)
+
+    testImplementation(libs.io.mockk)
+
+    debugImplementation(libs.chuckerteam.chucker)
+}

datasource/src/debug/kotlin/gq/kirmanak/mealient/DebugModule.kt

@@ -1,4 +1,4 @@
-package gq.kirmanak.mealient.di
+package gq.kirmanak.mealient
 
 import android.content.Context
 import com.chuckerteam.chucker.api.ChuckerCollector
@@ -10,7 +10,7 @@ import dagger.hilt.InstallIn
 import dagger.hilt.android.qualifiers.ApplicationContext
 import dagger.hilt.components.SingletonComponent
 import dagger.multibindings.IntoSet
-import gq.kirmanak.mealient.BuildConfig
+import gq.kirmanak.mealient.datasource.BuildConfig
 import gq.kirmanak.mealient.logging.Logger
 import okhttp3.Interceptor
 import okhttp3.logging.HttpLoggingInterceptor

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

@@ -0,0 +1,8 @@
+package gq.kirmanak.mealient.datasource
+
+import okhttp3.Cache
+
+interface CacheBuilder {
+
+    fun buildCache(): Cache
+}

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

@@ -0,0 +1,41 @@
+package gq.kirmanak.mealient.datasource
+
+import android.content.Context
+import android.os.StatFs
+import dagger.hilt.android.qualifiers.ApplicationContext
+import gq.kirmanak.mealient.logging.Logger
+import okhttp3.Cache
+import java.io.File
+import javax.inject.Inject
+import javax.inject.Singleton
+
+@Singleton
+class CacheBuilderImpl @Inject constructor(
+    @ApplicationContext private val context: Context,
+    private val logger: Logger,
+) : CacheBuilder {
+
+    override fun buildCache(): Cache {
+        val dir = findCacheDir()
+        return Cache(dir, calculateDiskCacheSize(dir))
+    }
+
+    private fun findCacheDir(): File = File(context.cacheDir, "okhttp")
+
+    private fun calculateDiskCacheSize(dir: File): Long = dir.runCatching {
+        StatFs(absolutePath).let {
+            it.blockCountLong * it.blockSizeLong * AVAILABLE_SPACE_PERCENT / 100
+        }
+    }
+        .onFailure { logger.e(it) { "Can't get available space" } }
+        .getOrNull()
+        ?.coerceAtLeast(MIN_OKHTTP_CACHE_SIZE)
+        ?.coerceAtMost(MAX_OKHTTP_CACHE_SIZE)
+        ?: MIN_OKHTTP_CACHE_SIZE
+
+    companion object {
+        private const val MIN_OKHTTP_CACHE_SIZE = 5 * 1024 * 1024L // 5MB
+        private const val MAX_OKHTTP_CACHE_SIZE = 50 * 1024 * 1024L // 50MB
+        private const val AVAILABLE_SPACE_PERCENT = 2
+    }
+}

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

@@ -0,0 +1,68 @@
+package gq.kirmanak.mealient.datasource
+
+import com.jakewharton.retrofit2.converter.kotlinx.serialization.asConverterFactory
+import dagger.Binds
+import dagger.Module
+import dagger.Provides
+import dagger.hilt.InstallIn
+import dagger.hilt.components.SingletonComponent
+import kotlinx.serialization.ExperimentalSerializationApi
+import kotlinx.serialization.json.Json
+import okhttp3.MediaType.Companion.toMediaType
+import okhttp3.OkHttpClient
+import retrofit2.Converter
+import retrofit2.Retrofit
+import retrofit2.create
+import javax.inject.Singleton
+
+@Module
+@InstallIn(SingletonComponent::class)
+interface DataSourceModule {
+
+    companion object {
+
+        const val AUTHORIZATION_HEADER_NAME = "Authorization"
+
+        @Provides
+        @Singleton
+        fun provideJson(): Json = Json {
+            coerceInputValues = true
+            ignoreUnknownKeys = true
+            encodeDefaults = true
+        }
+
+        @OptIn(ExperimentalSerializationApi::class)
+        @Provides
+        @Singleton
+        fun provideConverterFactory(json: Json): Converter.Factory =
+            json.asConverterFactory("application/json".toMediaType())
+
+        @Provides
+        @Singleton
+        fun provideOkHttp(okHttpBuilder: OkHttpBuilder): OkHttpClient =
+            okHttpBuilder.buildOkHttp()
+
+        @Provides
+        @Singleton
+        fun provideRetrofit(retrofitBuilder: RetrofitBuilder): Retrofit =
+            retrofitBuilder.buildRetrofit("https://beta.mealie.io/")
+
+        @Provides
+        @Singleton
+        fun provideMealieService(retrofit: Retrofit): MealieService =
+            retrofit.create()
+
+    }
+
+    @Binds
+    @Singleton
+    fun bindCacheBuilder(cacheBuilderImpl: CacheBuilderImpl): CacheBuilder
+
+    @Binds
+    @Singleton
+    fun bindOkHttpBuilder(okHttpBuilderImpl: OkHttpBuilderImpl): OkHttpBuilder
+
+    @Binds
+    @Singleton
+    fun bindMealieDataSource(mealientDataSourceImpl: MealieDataSourceImpl): MealieDataSource
+}

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

@@ -0,0 +1,41 @@
+package gq.kirmanak.mealient.datasource
+
+import gq.kirmanak.mealient.datasource.models.AddRecipeRequest
+import gq.kirmanak.mealient.datasource.models.GetRecipeResponse
+import gq.kirmanak.mealient.datasource.models.GetRecipeSummaryResponse
+import gq.kirmanak.mealient.datasource.models.VersionResponse
+
+interface MealieDataSource {
+
+    suspend fun addRecipe(
+        baseUrl: String,
+        token: String?,
+        recipe: AddRecipeRequest,
+    ): String
+
+    /**
+     * Tries to acquire authentication token using the provided credentials
+     */
+    suspend fun authenticate(
+        baseUrl: String,
+        username: String,
+        password: String,
+    ): String
+
+    suspend fun getVersionInfo(
+        baseUrl: String,
+    ): VersionResponse
+
+    suspend fun requestRecipes(
+        baseUrl: String,
+        token: String?,
+        start: Int = 0,
+        limit: Int = 9999,
+    ): List<GetRecipeSummaryResponse>
+
+    suspend fun requestRecipeInfo(
+        baseUrl: String,
+        token: String?,
+        slug: String,
+    ): GetRecipeResponse
+}

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

@@ -0,0 +1,106 @@
+package gq.kirmanak.mealient.datasource
+
+import gq.kirmanak.mealient.datasource.models.*
+import gq.kirmanak.mealient.logging.Logger
+import kotlinx.serialization.ExperimentalSerializationApi
+import kotlinx.serialization.SerializationException
+import kotlinx.serialization.json.Json
+import kotlinx.serialization.json.decodeFromStream
+import retrofit2.HttpException
+import retrofit2.Response
+import javax.inject.Inject
+import javax.inject.Singleton
+
+@Singleton
+class MealieDataSourceImpl @Inject constructor(
+    private val logger: Logger,
+    private val mealieService: MealieService,
+    private val json: Json,
+) : MealieDataSource {
+
+    override suspend fun addRecipe(
+        baseUrl: String, token: String?, recipe: AddRecipeRequest
+    ): String {
+        logger.v { "addRecipe() called with: baseUrl = $baseUrl, token = $token, recipe = $recipe" }
+        return mealieService.runCatching { addRecipe("$baseUrl/api/recipes/create", token, recipe) }
+            .onFailure { logger.e(it) { "addRecipe() request failed with: baseUrl = $baseUrl, token = $token, recipe = $recipe" } }
+            .onSuccess { logger.d { "addRecipe() request succeeded with: baseUrl = $baseUrl, token = $token, recipe = $recipe" } }
+            .getOrThrowUnauthorized()
+    }
+
+    override suspend fun authenticate(
+        baseUrl: String, username: String, password: String
+    ): String {
+        logger.v { "authenticate() called with: baseUrl = $baseUrl, username = $username, password = $password" }
+        return mealieService.runCatching { getToken("$baseUrl/api/auth/token", username, password) }
+            .onFailure { logger.e(it) { "authenticate() request failed with: baseUrl = $baseUrl, username = $username, password = $password" } }
+            .onSuccess { logger.d { "authenticate() request succeeded with: baseUrl = $baseUrl, username = $username, password = $password" } }
+            .mapCatching { parseToken(it) }
+            .getOrThrowUnauthorized()
+    }
+
+    override suspend fun getVersionInfo(baseUrl: String): VersionResponse {
+        logger.v { "getVersionInfo() called with: baseUrl = $baseUrl" }
+        return mealieService.runCatching { getVersion("$baseUrl/api/debug/version") }
+            .onFailure { logger.e(it) { "getVersionInfo() request failed with: baseUrl = $baseUrl" } }
+            .onSuccess { logger.d { "getVersionInfo() request succeeded with: baseUrl = $baseUrl" } }
+            .getOrThrowUnauthorized()
+    }
+
+    override suspend fun requestRecipes(
+        baseUrl: String, token: String?, start: Int, limit: Int
+    ): List<GetRecipeSummaryResponse> {
+        logger.v { "requestRecipes() called with: baseUrl = $baseUrl, token = $token, start = $start, limit = $limit" }
+        return mealieService.runCatching {
+            getRecipeSummary("$baseUrl/api/recipes/summary", token, start, limit)
+        }
+            .onFailure { logger.e(it) { "requestRecipes() request failed with: baseUrl = $baseUrl, token = $token, start = $start, limit = $limit" } }
+            .onSuccess { logger.d { "requestRecipes() request succeeded with: baseUrl = $baseUrl, token = $token, start = $start, limit = $limit" } }
+            .getOrThrowUnauthorized()
+    }
+
+    override suspend fun requestRecipeInfo(
+        baseUrl: String, token: String?, slug: String
+    ): GetRecipeResponse {
+        logger.v { "requestRecipeInfo() called with: baseUrl = $baseUrl, token = $token, slug = $slug" }
+        return mealieService.runCatching { getRecipe("$baseUrl/api/recipes/$slug", token) }
+            .onFailure { logger.e(it) { "requestRecipeInfo() request failed with: baseUrl = $baseUrl, token = $token, slug = $slug" } }
+            .onSuccess { logger.d { "requestRecipeInfo() request succeeded with: baseUrl = $baseUrl, token = $token, slug = $slug" } }
+            .getOrThrowUnauthorized()
+    }
+
+    private fun parseToken(
+        response: Response<GetTokenResponse>
+    ): String = if (response.isSuccessful) {
+        response.body()?.accessToken
+            ?: throw NetworkError.NotMealie(NullPointerException("Body is null"))
+    } else {
+        val cause = HttpException(response)
+        val errorDetail = json.runCatching<Json, ErrorDetail> { decodeErrorBody(response) }
+            .onFailure { logger.e(it) { "Can't decode error body" } }
+            .getOrNull()
+        throw when (errorDetail?.detail) {
+            "Unauthorized" -> NetworkError.Unauthorized(cause)
+            else -> NetworkError.NotMealie(cause)
+        }
+    }
+}
+
+private fun <T> Result<T>.getOrThrowUnauthorized(): T = getOrElse {
+    throw if (it is HttpException && it.code() in listOf(401, 403)) {
+        NetworkError.Unauthorized(it)
+    } else {
+        it
+    }
+}
+
+@OptIn(ExperimentalSerializationApi::class)
+private inline fun <T, reified R> Json.decodeErrorBody(response: Response<T>): R {
+    val responseBody = checkNotNull(response.errorBody()) { "Can't decode absent error body" }
+    return decodeFromStream(responseBody.byteStream())
+}
+
+fun Throwable.mapToNetworkError(): NetworkError = when (this) {
+    is HttpException, is SerializationException -> NetworkError.NotMealie(this)
+    else -> NetworkError.NoServerConnection(this)
+}

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

@@ -0,0 +1,43 @@
+package gq.kirmanak.mealient.datasource
+
+import gq.kirmanak.mealient.datasource.DataSourceModule.Companion.AUTHORIZATION_HEADER_NAME
+import gq.kirmanak.mealient.datasource.models.*
+import retrofit2.Response
+import retrofit2.http.*
+
+interface MealieService {
+
+    @FormUrlEncoded
+    @POST
+    suspend fun getToken(
+        @Url url: String,
+        @Field("username") username: String,
+        @Field("password") password: String,
+    ): Response<GetTokenResponse>
+
+    @POST
+    suspend fun addRecipe(
+        @Url url: String,
+        @Header(AUTHORIZATION_HEADER_NAME) token: String?,
+        @Body addRecipeRequest: AddRecipeRequest,
+    ): String
+
+    @GET
+    suspend fun getVersion(
+        @Url url: String,
+    ): VersionResponse
+
+    @GET
+    suspend fun getRecipeSummary(
+        @Url url: String,
+        @Header(AUTHORIZATION_HEADER_NAME) token: String?,
+        @Query("start") start: Int,
+        @Query("limit") limit: Int,
+    ): List<GetRecipeSummaryResponse>
+
+    @GET
+    suspend fun getRecipe(
+        @Url url: String,
+        @Header(AUTHORIZATION_HEADER_NAME) token: String?,
+    ): GetRecipeResponse
+}

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

@@ -0,0 +1,8 @@
+package gq.kirmanak.mealient.datasource
+
+import okhttp3.OkHttpClient
+
+interface OkHttpBuilder {
+
+    fun buildOkHttp(): OkHttpClient
+}

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

@@ -0,0 +1,19 @@
+package gq.kirmanak.mealient.datasource
+
+import okhttp3.Interceptor
+import okhttp3.OkHttpClient
+import javax.inject.Inject
+import javax.inject.Singleton
+
+@Singleton
+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>,
+) : OkHttpBuilder {
+
+    override fun buildOkHttp(): OkHttpClient = OkHttpClient.Builder()
+        .apply { interceptors.forEach(::addNetworkInterceptor) }
+        .cache(cacheBuilder.buildCache())
+        .build()
+}

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

@@ -0,0 +1,25 @@
+package gq.kirmanak.mealient.datasource
+
+import gq.kirmanak.mealient.logging.Logger
+import okhttp3.OkHttpClient
+import retrofit2.Converter.Factory
+import retrofit2.Retrofit
+import javax.inject.Inject
+import javax.inject.Singleton
+
+@Singleton
+class RetrofitBuilder @Inject constructor(
+    private val okHttpClient: OkHttpClient,
+    private val converterFactory: Factory,
+    private val logger: Logger,
+) {
+
+    fun buildRetrofit(baseUrl: String): Retrofit {
+        logger.v { "buildRetrofit() called with: baseUrl = $baseUrl" }
+        return Retrofit.Builder()
+            .baseUrl(baseUrl)
+            .client(okHttpClient)
+            .addConverterFactory(converterFactory)
+            .build()
+    }
+}

datasource/src/main/kotlin/gq/kirmanak/mealient/datasource/models/AddRecipeRequest.kt

@@ -1,6 +1,5 @@
-package gq.kirmanak.mealient.data.add.models
+package gq.kirmanak.mealient.datasource.models
 
-import gq.kirmanak.mealient.datastore.recipe.AddRecipeDraft
 import kotlinx.serialization.SerialName
 import kotlinx.serialization.Serializable
 
@@ -20,29 +19,7 @@ data class AddRecipeRequest(
     @SerialName("extras") val extras: Map<String, String> = emptyMap(),
     @SerialName("assets") val assets: List<String> = emptyList(),
     @SerialName("settings") val settings: AddRecipeSettings = AddRecipeSettings(),
-) {
-    constructor(input: AddRecipeDraft) : this(
-        name = input.recipeName,
-        description = input.recipeDescription,
-        recipeYield = input.recipeYield,
-        recipeIngredient = input.recipeIngredients.map { AddRecipeIngredient(note = it) },
-        recipeInstructions = input.recipeInstructions.map { AddRecipeInstruction(text = it) },
-        settings = AddRecipeSettings(
-            public = input.isRecipePublic,
-            disableComments = input.areCommentsDisabled,
 )
-    )
-
-    fun toDraft(): AddRecipeDraft = AddRecipeDraft(
-        recipeName = name,
-        recipeDescription = description,
-        recipeYield = recipeYield,
-        recipeInstructions = recipeInstructions.map { it.text },
-        recipeIngredients = recipeIngredient.map { it.note },
-        isRecipePublic = settings.public,
-        areCommentsDisabled = settings.disableComments,
-    )
-}
 
 @Serializable
 data class AddRecipeSettings(

datasource/src/main/kotlin/gq/kirmanak/mealient/datasource/models/ErrorDetail.kt

@@ -1,4 +1,4 @@
-package gq.kirmanak.mealient.data.network
+package gq.kirmanak.mealient.datasource.models
 
 import kotlinx.serialization.SerialName
 import kotlinx.serialization.Serializable

datasource/src/main/kotlin/gq/kirmanak/mealient/datasource/models/GetRecipeIngredientResponse.kt

@@ -1,4 +1,4 @@
-package gq.kirmanak.mealient.data.recipes.network.response
+package gq.kirmanak.mealient.datasource.models
 
 import kotlinx.serialization.SerialName
 import kotlinx.serialization.Serializable

datasource/src/main/kotlin/gq/kirmanak/mealient/datasource/models/GetRecipeInstructionResponse.kt

@@ -1,4 +1,4 @@
-package gq.kirmanak.mealient.data.recipes.network.response
+package gq.kirmanak.mealient.datasource.models
 
 import kotlinx.serialization.SerialName
 import kotlinx.serialization.Serializable

datasource/src/main/kotlin/gq/kirmanak/mealient/datasource/models/GetRecipeResponse.kt

@@ -1,4 +1,4 @@
-package gq.kirmanak.mealient.data.recipes.network.response
+package gq.kirmanak.mealient.datasource.models
 
 import kotlinx.datetime.LocalDate
 import kotlinx.datetime.LocalDateTime

datasource/src/main/kotlin/gq/kirmanak/mealient/datasource/models/GetRecipeSummaryResponse.kt

@@ -1,4 +1,4 @@
-package gq.kirmanak.mealient.data.recipes.network.response
+package gq.kirmanak.mealient.datasource.models
 
 import kotlinx.datetime.LocalDate
 import kotlinx.datetime.LocalDateTime

datasource/src/main/kotlin/gq/kirmanak/mealient/datasource/models/GetTokenResponse.kt

@@ -1,4 +1,4 @@
-package gq.kirmanak.mealient.data.auth.impl
+package gq.kirmanak.mealient.datasource.models
 
 import kotlinx.serialization.SerialName
 import kotlinx.serialization.Serializable

datasource/src/main/kotlin/gq/kirmanak/mealient/datasource/models/NetworkError.kt

@@ -1,4 +1,4 @@
-package gq.kirmanak.mealient.data.network
+package gq.kirmanak.mealient.datasource.models
 
 sealed class NetworkError(cause: Throwable) : RuntimeException(cause) {
     class Unauthorized(cause: Throwable) : NetworkError(cause)

datasource/src/main/kotlin/gq/kirmanak/mealient/datasource/models/VersionResponse.kt

@@ -1,4 +1,4 @@
-package gq.kirmanak.mealient.data.baseurl.impl
+package gq.kirmanak.mealient.datasource.models
 
 import kotlinx.serialization.SerialName
 import kotlinx.serialization.Serializable

datasource/src/release/java/gq/kirmanak/mealient/ReleaseModule.kt

@@ -1,4 +1,4 @@
-package gq.kirmanak.mealient.di
+package gq.kirmanak.mealient
 
 import dagger.Module
 import dagger.Provides

settings.gradle.kts

@@ -23,3 +23,4 @@ include(":app")
 include(":database")
 include(":datastore")
 include(":logging")
+include(":datasource")