Feature: Identity Unit-tests for useCases

app/build.gradle

@@ -1,6 +1,10 @@
 plugins {
     id 'com.android.application'
     id 'org.jetbrains.kotlin.android'
+    id 'kotlin-kapt'
+    id 'com.google.devtools.ksp'
+    id 'dagger.hilt.android.plugin'
+    id 'androidx.navigation.safeargs'
 }
 
 android {
@@ -15,6 +19,7 @@ android {
         versionName "1.0"
 
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+        buildConfigField "String", "BASE_URL", "\"https://api.npoint.io/\""
     }
 
     buildTypes {
@@ -24,21 +29,58 @@ android {
         }
     }
     compileOptions {
-        sourceCompatibility JavaVersion.VERSION_1_8
-        targetCompatibility JavaVersion.VERSION_1_8
+        sourceCompatibility JavaVersion.VERSION_17
+        targetCompatibility JavaVersion.VERSION_17
     }
     kotlinOptions {
-        jvmTarget = '1.8'
+        jvmTarget = '17'
+    }
+    kapt {
+        generateStubs = true
+    }
+    dataBinding {
+        enabled = true
     }
 }
 
 dependencies {
 
-    implementation 'androidx.core:core-ktx:1.9.0'
+    implementation 'androidx.core:core-ktx:1.10.1'
     implementation 'androidx.appcompat:appcompat:1.6.1'
     implementation 'com.google.android.material:material:1.9.0'
     implementation 'androidx.constraintlayout:constraintlayout:2.1.4'
     testImplementation 'junit:junit:4.13.2'
     androidTestImplementation 'androidx.test.ext:junit:1.1.5'
     androidTestImplementation 'androidx.test.espresso:espresso-core:3.5.1'
+    // sdp & ssp library for support all sizes on the screen
+    implementation "com.intuit.sdp:sdp-android:$sdp_version"
+    implementation "com.intuit.ssp:ssp-android:$ssp_version"
+    // media3-exoplayer library for playing videos
+    implementation "androidx.media3:media3-exoplayer:$media3_version"
+    implementation "androidx.media3:media3-ui:$media3_version"
+    // dagger hilt dependencies for dependency injection
+    implementation "com.google.dagger:hilt-android:$hilt_version"
+    kapt "com.google.dagger:hilt-compiler:$hilt_version"
+    // datastore for saving data in the local storage
+    implementation "androidx.datastore:datastore-preferences:$datastore_version"
+    // mockito for testing purposes
+    testImplementation "org.mockito.kotlin:mockito-kotlin:3.2.0"
+    // lifecycle scope for observing data
+    implementation 'androidx.lifecycle:lifecycle-runtime-ktx:2.6.1'
+    implementation 'androidx.lifecycle:lifecycle-viewmodel-ktx:2.6.1'
+    // ktx for kotlin extensions
+    implementation 'androidx.activity:activity-ktx:1.7.2'
+    implementation 'androidx.fragment:fragment-ktx:1.6.1'
+    // navigation component for navigating between fragments
+    implementation 'androidx.navigation:navigation-fragment-ktx:2.6.0'
+    implementation 'androidx.navigation:navigation-ui-ktx:2.6.0'
+    // retrofit for networking calls
+    implementation "com.squareup.retrofit2:retrofit:$retrofit_version"
+    implementation "com.squareup.retrofit2:converter-gson:$retrofit_version"
+    // coil library for loading images
+    implementation "io.coil-kt:coil:$coil_version"
+    // room database
+    implementation "androidx.room:room-runtime:$room_version"
+    implementation "androidx.room:room-ktx:$room_version"
+    ksp "androidx.room:room-compiler:$room_version"
 }

app/src/main/AndroidManifest.xml

@@ -2,7 +2,12 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools">
 
+    <uses-permission android:name="android.permission.INTERNET" />
+    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
+    <uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />
+
     <application
+        android:name=".app.PhoodApplication"
         android:allowBackup="true"
         android:dataExtractionRules="@xml/data_extraction_rules"
         android:fullBackupContent="@xml/backup_rules"
@@ -12,15 +17,20 @@
         android:supportsRtl="true"
         android:theme="@style/Theme.Phood"
         tools:targetApi="31">
+
         <activity
-            android:name=".MainActivity"
+            android:name=".identity.ui.view.LoginActivity"
             android:exported="true">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
 
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
+
+        <activity
+            android:name=".app.main.MainActivity"
+            android:exported="true" />
     </application>
 
 </manifest>

app/src/main/java/com/moataz/phood/app/PhoodApplication.kt

@@ -0,0 +1,7 @@
+package com.moataz.phood.app
+
+import android.app.Application
+import dagger.hilt.android.HiltAndroidApp
+
+@HiltAndroidApp
+class PhoodApplication : Application()

app/src/main/java/com/moataz/phood/app/di/DataSourceModule.kt

@@ -0,0 +1,20 @@
+package com.moataz.phood.app.di
+
+import com.moataz.phood.identity.data.local.IdentityLocalDataSourceImpl
+import com.moataz.phood.identity.data.repositories.datasources.IdentityLocalDataSource
+import dagger.Binds
+import dagger.Module
+import dagger.hilt.InstallIn
+import dagger.hilt.components.SingletonComponent
+import javax.inject.Singleton
+
+@Module
+@InstallIn(SingletonComponent::class)
+abstract class DataSourceModule {
+
+    @Singleton
+    @Binds
+    abstract fun bindIdentityDataSource(
+        identityLocalDataSourceImpl: IdentityLocalDataSourceImpl,
+    ): IdentityLocalDataSource
+}

app/src/main/java/com/moataz/phood/app/di/DatabaseModule.kt

@@ -0,0 +1,49 @@
+package com.moataz.phood.app.di
+
+import android.content.Context
+import androidx.datastore.core.DataStore
+import androidx.datastore.preferences.core.PreferenceDataStoreFactory
+import androidx.datastore.preferences.core.Preferences
+import androidx.datastore.preferences.preferencesDataStoreFile
+import androidx.room.Room
+import com.moataz.phood.app.di.utils.Constant.DATABASE_NAME
+import com.moataz.phood.app.di.utils.Constant.PREFERENCE_NAME
+import com.moataz.phood.recipes.data.local.RecipesDao
+import com.moataz.phood.recipes.data.local.RecipesDatabase
+import dagger.Module
+import dagger.Provides
+import dagger.hilt.InstallIn
+import dagger.hilt.android.qualifiers.ApplicationContext
+import dagger.hilt.components.SingletonComponent
+import javax.inject.Singleton
+
+@Module
+@InstallIn(SingletonComponent::class)
+object DatabaseModule {
+
+    @Singleton
+    @Provides
+    fun provideDatabase(@ApplicationContext appContext: Context): RecipesDatabase {
+        return Room.databaseBuilder(
+            appContext,
+            RecipesDatabase::class.java,
+            DATABASE_NAME,
+        ).build()
+    }
+
+    @Singleton
+    @Provides
+    fun provideRecipesDao(database: RecipesDatabase): RecipesDao {
+        return database.recipesDao()
+    }
+
+    @Provides
+    @Singleton
+    fun provideIdentityDataStorePreferences(
+        @ApplicationContext applicationContext: Context,
+    ): DataStore<Preferences> {
+        return PreferenceDataStoreFactory.create {
+            applicationContext.preferencesDataStoreFile(PREFERENCE_NAME)
+        }
+    }
+}

app/src/main/java/com/moataz/phood/app/di/NetworkModule.kt

@@ -0,0 +1,63 @@
+package com.moataz.phood.app.di
+
+import com.moataz.phood.BuildConfig
+import com.moataz.phood.identity.data.remote.IdentityService
+import com.moataz.phood.identity.data.remote.IdentityServiceImpl
+import com.moataz.phood.recipes.data.remote.RecipesService
+import dagger.Module
+import dagger.Provides
+import dagger.hilt.InstallIn
+import dagger.hilt.components.SingletonComponent
+import okhttp3.OkHttpClient
+import retrofit2.Retrofit
+import retrofit2.converter.gson.GsonConverterFactory
+import java.util.concurrent.TimeUnit
+import javax.inject.Singleton
+
+@Module
+@InstallIn(SingletonComponent::class)
+object NetworkModule {
+
+    @Provides
+    @Singleton
+    fun provideIdentityService(): IdentityService {
+        return IdentityServiceImpl()
+    }
+
+    @Singleton
+    @Provides
+    fun provideRecipesNetworkService(
+        retrofit: Retrofit,
+    ): RecipesService {
+        return retrofit.create(RecipesService::class.java)
+    }
+
+    @Singleton
+    @Provides
+    fun provideOkHttpClient(): OkHttpClient {
+        val builder = OkHttpClient()
+            .newBuilder()
+            .callTimeout(25, TimeUnit.SECONDS)
+            .connectTimeout(25, TimeUnit.SECONDS)
+        return builder.build()
+    }
+
+    @Singleton
+    @Provides
+    fun provideGsonConverterFactory(): GsonConverterFactory {
+        return GsonConverterFactory.create()
+    }
+
+    @Singleton
+    @Provides
+    fun provideRetrofit(
+        okHttpClient: OkHttpClient,
+        gsonConverterFactory: GsonConverterFactory,
+    ): Retrofit {
+        return Retrofit.Builder()
+            .baseUrl(BuildConfig.BASE_URL)
+            .client(okHttpClient)
+            .addConverterFactory(gsonConverterFactory)
+            .build()
+    }
+}

app/src/main/java/com/moataz/phood/app/di/RepositoryModule.kt

@@ -0,0 +1,28 @@
+package com.moataz.phood.app.di
+
+import com.moataz.phood.identity.data.repositories.IdentityRepositoryImpl
+import com.moataz.phood.identity.domain.repository.IdentityRepository
+import com.moataz.phood.recipes.data.repositories.RecipesRepositoryImpl
+import com.moataz.phood.recipes.domain.repository.RecipesRepository
+import dagger.Binds
+import dagger.Module
+import dagger.hilt.InstallIn
+import dagger.hilt.android.components.ViewModelComponent
+import dagger.hilt.android.scopes.ViewModelScoped
+
+@Module
+@InstallIn(ViewModelComponent::class)
+abstract class RepositoryModule {
+
+    @ViewModelScoped
+    @Binds
+    abstract fun bindIdentityRepository(
+        identityRepositoryImpl: IdentityRepositoryImpl,
+    ): IdentityRepository
+
+    @ViewModelScoped
+    @Binds
+    abstract fun bindRecipesRepository(
+        recipesRepositoryImpl: RecipesRepositoryImpl,
+    ): RecipesRepository
+}

app/src/main/java/com/moataz/phood/app/di/utils/Constant.kt

@@ -0,0 +1,6 @@
+package com.moataz.phood.app.di.utils
+
+object Constant {
+    const val DATABASE_NAME = "phood_recipes.db"
+    const val PREFERENCE_NAME = "com.moataz.phood.app_preferences"
+}

app/src/main/java/com/moataz/phood/app/main/MainActivity.kt

@@ -0,0 +1,29 @@
+package com.moataz.phood.app.main
+
+import android.os.Build
+import android.os.Bundle
+import android.view.View
+import androidx.appcompat.app.AppCompatActivity
+import androidx.databinding.DataBindingUtil
+import com.moataz.phood.R
+import com.moataz.phood.databinding.ActivityMainBinding
+import dagger.hilt.android.AndroidEntryPoint
+
+@AndroidEntryPoint
+class MainActivity : AppCompatActivity() {
+    private lateinit var binding: ActivityMainBinding
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        binding = DataBindingUtil.setContentView(this, R.layout.activity_main)
+        initView()
+    }
+
+    private fun initView() {
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
+            window.decorView.systemUiVisibility = View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR
+        } else {
+            window.statusBarColor = resources.getColor(R.color.main_color)
+        }
+    }
+}

app/src/main/java/com/moataz/phood/identity/data/local/IdentityLocalDataSourceImpl.kt

@@ -0,0 +1,33 @@
+package com.moataz.phood.identity.data.local
+
+import androidx.datastore.core.DataStore
+import androidx.datastore.preferences.core.Preferences
+import androidx.datastore.preferences.core.booleanPreferencesKey
+import androidx.datastore.preferences.core.edit
+import com.moataz.phood.identity.data.local.utils.DataStorePreferencesKeys.LOGIN_STATE
+import com.moataz.phood.identity.data.repositories.datasources.IdentityLocalDataSource
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.flow.first
+import kotlinx.coroutines.flow.map
+import kotlinx.coroutines.withContext
+import javax.inject.Inject
+
+class IdentityLocalDataSourceImpl @Inject constructor(
+    private val userDataStore: DataStore<Preferences>,
+) : IdentityLocalDataSource {
+    override suspend fun saveLoggedInStatus(status: Boolean) {
+        withContext(Dispatchers.IO) {
+            userDataStore.edit { preferences ->
+                preferences[booleanPreferencesKey(LOGIN_STATE)] = status
+            }
+        }
+    }
+
+    override suspend fun getLoggedInStatus(): Boolean? {
+        return withContext(Dispatchers.IO) {
+            userDataStore.data.map { preferences ->
+                preferences[booleanPreferencesKey(LOGIN_STATE)]
+            }.first()
+        }
+    }
+}

app/src/main/java/com/moataz/phood/identity/data/local/utils/DataStorePreferencesKeys.kt

@@ -0,0 +1,5 @@
+package com.moataz.phood.identity.data.local.utils
+
+object DataStorePreferencesKeys {
+    const val LOGIN_STATE = "login_state"
+}

app/src/main/java/com/moataz/phood/identity/data/remote/IdentityService.kt

@@ -0,0 +1,7 @@
+package com.moataz.phood.identity.data.remote
+
+import com.moataz.phood.identity.data.remote.dto.UserDTO
+
+interface IdentityService {
+    suspend fun signIn(email: String, password: String): UserDTO
+}

app/src/main/java/com/moataz/phood/identity/data/remote/IdentityServiceImpl.kt

@@ -0,0 +1,9 @@
+package com.moataz.phood.identity.data.remote
+
+import com.moataz.phood.identity.data.remote.dto.UserDTO
+
+class IdentityServiceImpl : IdentityService {
+    override suspend fun signIn(email: String, password: String): UserDTO {
+        return UserDTO()
+    }
+}