first commit

.gitignore

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+*.iml
+.gradle
+/local.properties
+/.idea/caches
+/.idea/libraries
+/.idea/modules.xml
+/.idea/workspace.xml
+/.idea/navEditor.xml
+/.idea/assetWizardSettings.xml
+.DS_Store
+/build
+/captures
+.externalNativeBuild
+.cxx
+local.properties

app/.gitignore

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+/build

app/build.gradle.kts

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+import com.android.build.gradle.internal.cxx.configure.gradleLocalProperties
+
+plugins {
+    kotlin("kapt")
+    id("com.android.application")
+    id("org.jetbrains.kotlin.android")
+    id("com.google.dagger.hilt.android")
+}
+
+android {
+    namespace = "io.iakanoe.github.dolarcito"
+    compileSdk = 34
+
+    defaultConfig {
+        applicationId = "io.iakanoe.github.dolarcito"
+        minSdk = 27
+        targetSdk = 34
+        versionCode = 1
+        versionName = "1.0"
+
+        testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
+        vectorDrawables {
+            useSupportLibrary = true
+        }
+
+        buildConfigField("String", "API_KEY", gradleLocalProperties(rootDir).getProperty("API_KEY"))
+    }
+
+    buildTypes {
+        release {
+            isMinifyEnabled = false
+            proguardFiles(getDefaultProguardFile("proguard-android-optimize.txt"), "proguard-rules.pro")
+        }
+    }
+
+    compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_1_8
+        targetCompatibility = JavaVersion.VERSION_1_8
+    }
+
+    kotlinOptions {
+        jvmTarget = "1.8"
+    }
+
+    buildFeatures {
+        compose = true
+        buildConfig = true
+    }
+
+    composeOptions {
+        kotlinCompilerExtensionVersion = "1.5.3"
+    }
+
+    packaging {
+        resources {
+            excludes += "/META-INF/{AL2.0,LGPL2.1}"
+        }
+    }
+}
+
+kapt {
+    correctErrorTypes = true
+}
+
+dependencies {
+    implementation("com.google.dagger:hilt-android:2.48")
+    kapt("com.google.dagger:hilt-android-compiler:2.48")
+
+    implementation("androidx.hilt:hilt-navigation-compose:1.1.0-rc01")
+
+    implementation("com.squareup.retrofit2:retrofit:2.9.0")
+    implementation("com.squareup.retrofit2:converter-gson:2.9.0")
+
+    implementation("androidx.core:core-ktx:1.12.0")
+    implementation("androidx.lifecycle:lifecycle-runtime-ktx:2.6.2")
+    implementation("androidx.lifecycle:lifecycle-viewmodel-compose:2.6.2")
+    implementation("androidx.activity:activity-compose:1.8.0")
+    implementation("androidx.navigation:navigation-compose:2.7.4")
+    implementation("androidx.datastore:datastore-preferences:1.0.0")
+
+    implementation(platform("androidx.compose:compose-bom:2023.10.01"))
+    implementation("androidx.compose.ui:ui")
+    implementation("androidx.compose.ui:ui-graphics")
+    implementation("androidx.compose.ui:ui-tooling-preview")
+    implementation("androidx.compose.material3:material3")
+    debugImplementation("androidx.compose.ui:ui-tooling")
+    debugImplementation("androidx.compose.ui:ui-test-manifest")
+}

app/proguard-rules.pro

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+# Add project specific ProGuard rules here.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile

app/src/main/AndroidManifest.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools">
+
+    <uses-permission android:name="android.permission.INTERNET" />
+
+    <application
+        android:name=".DolarcitoApplication"
+        android:allowBackup="true"
+        android:dataExtractionRules="@xml/data_extraction_rules"
+        android:fullBackupContent="@xml/backup_rules"
+        android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name"
+        android:roundIcon="@mipmap/ic_launcher_round"
+        android:supportsRtl="true"
+        android:theme="@style/Theme.Dolarcito"
+        tools:targetApi="31">
+
+        <activity
+            android:name=".MainActivity"
+            android:exported="true"
+            android:theme="@style/Theme.Dolarcito">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+
+    </application>
+
+</manifest>

app/src/main/java/io/iakanoe/github/dolarcito/DolarcitoApplication.kt

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+package io.iakanoe.github.dolarcito
+
+import android.app.Application
+import dagger.hilt.android.HiltAndroidApp
+
+@HiltAndroidApp
+class DolarcitoApplication : Application()

app/src/main/java/io/iakanoe/github/dolarcito/MainActivity.kt

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+package io.iakanoe.github.dolarcito
+
+import android.os.Bundle
+import androidx.activity.ComponentActivity
+import androidx.activity.compose.setContent
+import dagger.hilt.android.AndroidEntryPoint
+import io.iakanoe.github.dolarcito.ui.DolarcitoNavigation
+import io.iakanoe.github.dolarcito.ui.common.theme.DolarcitoTheme
+
+@AndroidEntryPoint
+class MainActivity : ComponentActivity() {
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContent {
+            DolarcitoTheme {
+                DolarcitoNavigation()
+            }
+        }
+    }
+}
+

app/src/main/java/io/iakanoe/github/dolarcito/data/ExchangeRateRepository.kt

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+package io.iakanoe.github.dolarcito.data
+
+import io.iakanoe.github.dolarcito.gateway.DolarcitoApiGateway
+
+class ExchangeRateRepository(
+    private val apiGateway: DolarcitoApiGateway
+) {
+    suspend fun getExchangeRates() =
+        apiGateway.getRates().values.filterNotNull()
+}

app/src/main/java/io/iakanoe/github/dolarcito/data/SettingsRepository.kt

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+package io.iakanoe.github.dolarcito.data
+
+import io.iakanoe.github.dolarcito.gateway.SettingsGateway
+import io.iakanoe.github.dolarcito.model.Settings
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.combine
+
+class SettingsRepository(
+    private val settingsGateway: SettingsGateway
+) {
+    fun getSettings(): Flow<Settings> {
+        val showingRatesNames = settingsGateway.retrieveShowingRatesNames()
+        val hiddenRatesNames = settingsGateway.retrieveHiddenRatesNames()
+        return combine(showingRatesNames, hiddenRatesNames) { showing, hidden ->
+            Settings(showing, hidden)
+        }
+    }
+
+    suspend fun setSettings(settings: Settings) =
+        settingsGateway.saveBothRatesNames(settings.showingRatesNames, settings.hiddenRatesNames)
+}

app/src/main/java/io/iakanoe/github/dolarcito/di/GatewayModule.kt

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+package io.iakanoe.github.dolarcito.di
+
+import android.content.Context
+import com.google.gson.Gson
+import dagger.Module
+import dagger.Provides
+import dagger.hilt.InstallIn
+import dagger.hilt.android.qualifiers.ApplicationContext
+import dagger.hilt.components.SingletonComponent
+import io.iakanoe.github.dolarcito.gateway.DolarcitoApiGateway
+import io.iakanoe.github.dolarcito.gateway.SettingsGateway
+import retrofit2.Retrofit
+import retrofit2.create
+import javax.inject.Singleton
+
+@Module
+@InstallIn(SingletonComponent::class)
+object GatewayModule {
+
+    @Provides
+    @Singleton
+    fun providesDolarcitoApiGateway(
+        retrofit: Retrofit
+    ) = retrofit.create<DolarcitoApiGateway>()
+
+    @Provides
+    @Singleton
+    fun providesSettingsGateway(
+        @ApplicationContext context: Context,
+        gson: Gson
+    ) = SettingsGateway(context, gson)
+
+}

app/src/main/java/io/iakanoe/github/dolarcito/di/GsonModule.kt

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+package io.iakanoe.github.dolarcito.di
+
+import com.google.gson.Gson
+import dagger.Module
+import dagger.Provides
+import dagger.hilt.InstallIn
+import dagger.hilt.components.SingletonComponent
+import javax.inject.Singleton
+
+@Module
+@InstallIn(SingletonComponent::class)
+object GsonModule {
+
+    @Provides
+    @Singleton
+    fun provideGson() = Gson()
+}