Setup Presentation Module

app/src/main/java/com/ericampire/android/androidstudycase/MainActivity.kt

@@ -8,31 +8,20 @@ import androidx.compose.material.Surface
 import androidx.compose.material.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.tooling.preview.Preview
-import com.ericampire.android.androidstudycase.ui.theme.AndroidStudyCaseTheme
+import com.ericampire.android.androidstudycase.presentation.screen.main.ui.MainScreen
+import com.ericampire.android.androidstudycase.presentation.theme.AndroidStudyCaseTheme
+import dagger.hilt.android.AndroidEntryPoint
 
+@AndroidEntryPoint
 class MainActivity : ComponentActivity() {
   override fun onCreate(savedInstanceState: Bundle?) {
     super.onCreate(savedInstanceState)
     setContent {
-      AndroidStudyCaseTheme {
+      AndroidStudyCaseTheme(darkTheme = true) {
-        // A surface container using the 'background' color from the theme
         Surface(color = MaterialTheme.colors.background) {
-          Greeting("Android")
+          MainScreen()
         }
       }
     }
   }
-}
-
-@Composable
-fun Greeting(name: String) {
-  Text(text = "Hello $name!")
-}
-
-@Preview(showBackground = true)
-@Composable
-fun DefaultPreview() {
-  AndroidStudyCaseTheme {
-    Greeting("Android")
-  }
 }

app/src/main/java/com/ericampire/android/androidstudycase/app/AppNavigation.kt

@@ -0,0 +1,38 @@
+package com.ericampire.android.androidstudycase.app
+
+import androidx.hilt.navigation.compose.hiltViewModel
+import androidx.navigation.NavController
+import androidx.navigation.NavGraphBuilder
+import androidx.navigation.compose.composable
+import com.ericampire.android.androidstudycase.presentation.screen.explore.ui.ExploreScreen
+import com.ericampire.android.androidstudycase.presentation.screen.home.business.HomeViewModel
+import com.ericampire.android.androidstudycase.presentation.screen.home.ui.HomeScreen
+import com.ericampire.android.androidstudycase.presentation.screen.preview.ui.PreviewScreen
+import com.ericampire.android.androidstudycase.util.Destination
+
+fun NavGraphBuilder.addHomeScreen(navController: NavController) {
+  composable(Destination.Home.route) {
+    HomeScreen(
+      navController = navController,
+      viewModel = hiltViewModel()
+    )
+  }
+}
+
+fun NavGraphBuilder.addExploreScreen(navController: NavController) {
+  composable(Destination.Explore.route) {
+    ExploreScreen(
+      navController = navController,
+      viewModel = hiltViewModel()
+    )
+  }
+}
+
+fun NavGraphBuilder.addPreviewScreen(navController: NavController) {
+  composable(Destination.Preview.route) {
+    PreviewScreen(
+      navController = navController,
+      viewModel = hiltViewModel()
+    )
+  }
+}

app/src/main/java/com/ericampire/android/androidstudycase/app/di/RoomModule.kt

@@ -0,0 +1,42 @@
+package com.ericampire.android.androidstudycase.app.di
+
+import android.content.Context
+import androidx.room.Room
+import com.ericampire.android.androidstudycase.app.room.AppDatabase
+import com.ericampire.android.androidstudycase.data.room.AnimatorDao
+import com.ericampire.android.androidstudycase.data.room.BlogDao
+import com.ericampire.android.androidstudycase.data.room.LottieFilesDao
+import dagger.Module
+import dagger.Provides
+import dagger.hilt.InstallIn
+import dagger.hilt.android.qualifiers.ApplicationContext
+import dagger.hilt.components.SingletonComponent
+
+@Module
+@InstallIn(SingletonComponent::class)
+object RoomModule {
+
+  @Provides
+  fun provideRoomDatabase(@ApplicationContext context: Context): AppDatabase {
+    val db = Room.databaseBuilder(
+      context,
+      AppDatabase::class.java, "database-name"
+    )
+    return db.build()
+  }
+
+  @Provides
+  fun provideBlogDao(appDatabase: AppDatabase): BlogDao {
+    return appDatabase.blogDao
+  }
+
+  @Provides
+  fun provideAnimatorDao(appDatabase: AppDatabase): AnimatorDao {
+    return appDatabase.animatorDao
+  }
+
+  @Provides
+  fun provideLottieFilesDao(appDatabase: AppDatabase): LottieFilesDao {
+    return appDatabase.lottieFileDao
+  }
+}

app/src/main/java/com/ericampire/android/androidstudycase/app/di/ViewModelModule.kt

@@ -1,6 +1,11 @@
 package com.ericampire.android.androidstudycase.app.di
 
+import com.ericampire.android.androidstudycase.domain.usecase.*
+import com.ericampire.android.androidstudycase.presentation.screen.explore.business.ExploreViewModel
+import com.ericampire.android.androidstudycase.presentation.screen.home.business.HomeViewModel
+import com.ericampire.android.androidstudycase.presentation.screen.preview.business.PreviewViewModel
 import dagger.Module
+import dagger.Provides
 import dagger.hilt.InstallIn
 import dagger.hilt.android.components.ViewModelComponent
 
@@ -8,4 +13,35 @@ import dagger.hilt.android.components.ViewModelComponent
 @InstallIn(ViewModelComponent::class)
 object ViewModelModule {
 
+  @Provides
+  fun provideHomeViewModel(
+    findFeaturedAnimatorUseCase: FindFeaturedAnimatorUseCase,
+    findFeaturedBlogUseCase: FindFeaturedBlogUseCase
+  ): HomeViewModel {
+    return HomeViewModel(
+      findFeaturedAnimatorUseCase = findFeaturedAnimatorUseCase,
+      findFeaturedBlogUseCase = findFeaturedBlogUseCase
+    )
+  }
+
+  @Provides
+  fun provideExploreViewModel(
+    findFeaturedAnimatorUseCase: FindFeaturedAnimatorUseCase,
+    findFeaturedBlogUseCase: FindFeaturedBlogUseCase
+  ): PreviewViewModel {
+    return PreviewViewModel()
+  }
+
+  @Provides
+  fun providePreview(
+    findPopularLottieFileUseCase: FindPopularLottieFileUseCase,
+    findRecentLottieFileUseCase: FindRecentLottieFileUseCase,
+    findFeaturedLottieFileUseCase: FindFeaturedLottieFileUseCase
+  ): ExploreViewModel {
+    return ExploreViewModel(
+      findPopularLottieFileUseCase = findPopularLottieFileUseCase,
+      findRecentLottieFileUseCase = findRecentLottieFileUseCase,
+      findFeaturedLottieFileUseCase = findFeaturedLottieFileUseCase
+    )
+  }
 }

app/src/main/java/com/ericampire/android/androidstudycase/app/room/AppDatabase.kt

@@ -0,0 +1,23 @@
+package com.ericampire.android.androidstudycase.app.room
+
+import androidx.room.Database
+import androidx.room.RoomDatabase
+import androidx.room.TypeConverters
+import com.ericampire.android.androidstudycase.data.room.AnimatorDao
+import com.ericampire.android.androidstudycase.data.room.BlogDao
+import com.ericampire.android.androidstudycase.data.room.LottieFilesDao
+import com.ericampire.android.androidstudycase.domain.entity.Animator
+import com.ericampire.android.androidstudycase.domain.entity.Blog
+import com.ericampire.android.androidstudycase.domain.entity.Lottiefile
+import com.ericampire.android.androidstudycase.util.room.DateConverter
+
+@Database(
+  entities = [Blog::class, Animator::class, Lottiefile::class],
+  version = 2,
+  exportSchema = false
+)
+abstract class AppDatabase : RoomDatabase() {
+  abstract val blogDao: BlogDao
+  abstract val animatorDao: AnimatorDao
+  abstract val lottieFileDao: LottieFilesDao
+}

app/src/main/java/com/ericampire/android/androidstudycase/presentation/screen/explore/business/ExploreAction.kt

@@ -0,0 +1,7 @@
+package com.ericampire.android.androidstudycase.presentation.screen.explore.business
+
+sealed interface ExploreAction {
+  object FindRecentFile : ExploreAction
+  object FindFeaturedFile : ExploreAction
+  object FindPopularFile : ExploreAction
+}

app/src/main/java/com/ericampire/android/androidstudycase/presentation/screen/explore/business/ExploreEffect.kt

@@ -0,0 +1,7 @@
+package com.ericampire.android.androidstudycase.presentation.screen.explore.business
+
+sealed interface ExploreEffect {
+  data class ShowErrorMessage(val message: String) : ExploreEffect
+  object Loading : ExploreEffect
+  object Success : ExploreEffect
+}

app/src/main/java/com/ericampire/android/androidstudycase/presentation/screen/explore/business/ExploreViewModel.kt

@@ -0,0 +1,79 @@
+package com.ericampire.android.androidstudycase.presentation.screen.explore.business
+
+import androidx.lifecycle.viewModelScope
+import com.ericampire.android.androidstudycase.domain.entity.Lottiefile
+import com.ericampire.android.androidstudycase.domain.usecase.FindFeaturedLottieFileUseCase
+import com.ericampire.android.androidstudycase.domain.usecase.FindPopularLottieFileUseCase
+import com.ericampire.android.androidstudycase.domain.usecase.FindRecentLottieFileUseCase
+import com.ericampire.android.androidstudycase.util.Result
+import com.ericampire.android.androidstudycase.util.mvi.BaseViewModel
+import dagger.hilt.android.lifecycle.HiltViewModel
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.collect
+import kotlinx.coroutines.flow.collectLatest
+import kotlinx.coroutines.launch
+import org.orbitmvi.orbit.Container
+import org.orbitmvi.orbit.syntax.simple.intent
+import org.orbitmvi.orbit.syntax.simple.postSideEffect
+import org.orbitmvi.orbit.syntax.simple.reduce
+import org.orbitmvi.orbit.viewmodel.container
+import javax.inject.Inject
+
+@HiltViewModel
+class ExploreViewModel  @Inject constructor(
+  private val findPopularLottieFileUseCase: FindPopularLottieFileUseCase,
+  private val findRecentLottieFileUseCase: FindRecentLottieFileUseCase,
+  private val findFeaturedLottieFileUseCase: FindFeaturedLottieFileUseCase
+) : BaseViewModel<ExploreViewState, ExploreEffect, ExploreAction>() {
+
+  override val container: Container<ExploreViewState, ExploreEffect>
+    get() = container(initialState = ExploreViewState())
+
+  init {
+    viewModelScope.launch {
+      pendingAction.collectLatest { action ->
+        when(action) {
+          ExploreAction.FindFeaturedFile -> findFeaturedFile()
+          ExploreAction.FindPopularFile -> findPopularFile()
+          ExploreAction.FindRecentFile -> findRecentFile()
+        }
+      }
+    }
+  }
+
+  private fun Flow<Result<List<Lottiefile>>>.fetchData() = intent {
+    collect { result ->
+      when(result) {
+        is Result.Error -> {
+          val errorMessage = result.exception.localizedMessage ?: "Unknown Error"
+          postSideEffect(ExploreEffect.ShowErrorMessage(errorMessage))
+        }
+        Result.Loading -> {
+          postSideEffect(ExploreEffect.Loading)
+        }
+        is Result.Success -> {
+          postSideEffect(ExploreEffect.Success)
+          reduce { state.copy(files = result.data) }
+        }
+      }
+    }
+  }
+
+  private fun findRecentFile() {
+    viewModelScope.launch {
+      findRecentLottieFileUseCase(Unit).fetchData()
+    }
+  }
+
+  private fun findPopularFile() {
+    viewModelScope.launch {
+      findPopularLottieFileUseCase(Unit).fetchData()
+    }
+  }
+
+  private fun findFeaturedFile() {
+    viewModelScope.launch {
+      findFeaturedLottieFileUseCase(Unit).fetchData()
+    }
+  }
+}

app/src/main/java/com/ericampire/android/androidstudycase/presentation/screen/explore/business/ExploreViewState.kt

@@ -0,0 +1,7 @@
+package com.ericampire.android.androidstudycase.presentation.screen.explore.business
+
+import com.ericampire.android.androidstudycase.domain.entity.Lottiefile
+
+data class ExploreViewState(
+  val files: List<Lottiefile> = emptyList()
+)

app/src/main/java/com/ericampire/android/androidstudycase/presentation/screen/explore/ui/ExploreScreen.kt

@@ -0,0 +1,13 @@
+package com.ericampire.android.androidstudycase.presentation.screen.explore.ui
+
+import androidx.compose.runtime.Composable
+import androidx.navigation.NavController
+import com.ericampire.android.androidstudycase.presentation.screen.explore.business.ExploreViewModel
+
+@Composable
+fun ExploreScreen(
+  navController: NavController,
+  viewModel: ExploreViewModel
+) {
+
+}

app/src/main/java/com/ericampire/android/androidstudycase/presentation/screen/home/business/HomeAction.kt

@@ -0,0 +1,3 @@
+package com.ericampire.android.androidstudycase.presentation.screen.home.business
+
+sealed interface HomeAction

app/src/main/java/com/ericampire/android/androidstudycase/presentation/screen/home/business/HomeEffect.kt

@@ -0,0 +1,3 @@
+package com.ericampire.android.androidstudycase.presentation.screen.home.business
+
+sealed interface HomeEffect

app/src/main/java/com/ericampire/android/androidstudycase/presentation/screen/home/business/HomeViewModel.kt

@@ -0,0 +1,30 @@
+package com.ericampire.android.androidstudycase.presentation.screen.home.business
+
+import androidx.lifecycle.viewModelScope
+import com.ericampire.android.androidstudycase.domain.usecase.FindFeaturedAnimatorUseCase
+import com.ericampire.android.androidstudycase.domain.usecase.FindFeaturedBlogUseCase
+import com.ericampire.android.androidstudycase.util.mvi.BaseViewModel
+import dagger.hilt.android.lifecycle.HiltViewModel
+import kotlinx.coroutines.flow.collectLatest
+import kotlinx.coroutines.launch
+import org.orbitmvi.orbit.Container
+import org.orbitmvi.orbit.viewmodel.container
+import javax.inject.Inject
+
+@HiltViewModel
+class HomeViewModel @Inject constructor(
+  private val findFeaturedBlogUseCase: FindFeaturedBlogUseCase,
+  private val findFeaturedAnimatorUseCase: FindFeaturedAnimatorUseCase
+) : BaseViewModel<HomeViewState, HomeEffect, HomeAction>() {
+
+  override val container: Container<HomeViewState, HomeEffect>
+    get() = container(initialState = HomeViewState())
+
+  init {
+    viewModelScope.launch {
+      pendingAction.collectLatest { action ->
+
+      }
+    }
+  }
+}

app/src/main/java/com/ericampire/android/androidstudycase/presentation/screen/home/business/HomeViewState.kt

@@ -0,0 +1,7 @@
+package com.ericampire.android.androidstudycase.presentation.screen.home.business
+
+import com.ericampire.android.androidstudycase.domain.entity.Blog
+
+data class HomeViewState(
+  val blog: List<Blog> = emptyList()
+)

app/src/main/java/com/ericampire/android/androidstudycase/presentation/screen/home/ui/HomeScreen.kt

@@ -0,0 +1,13 @@
+package com.ericampire.android.androidstudycase.presentation.screen.home.ui
+
+import androidx.compose.runtime.Composable
+import androidx.navigation.NavController
+import com.ericampire.android.androidstudycase.presentation.screen.home.business.HomeViewModel
+
+@Composable
+fun HomeScreen(
+  navController: NavController,
+  viewModel: HomeViewModel
+) {
+
+}

app/src/main/java/com/ericampire/android/androidstudycase/presentation/screen/main/ui/MainScreen.kt

@@ -0,0 +1,92 @@
+package com.ericampire.android.androidstudycase.presentation.screen.main.ui
+
+import androidx.compose.runtime.Composable
+import androidx.navigation.compose.rememberNavController
+import androidx.compose.animation.ExperimentalAnimationApi
+import androidx.compose.foundation.ExperimentalFoundationApi
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.layout.size
+import androidx.compose.material.*
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.rounded.Explore
+import androidx.compose.material.icons.rounded.Home
+import androidx.compose.material.icons.rounded.Scanner
+import androidx.compose.runtime.*
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.graphics.vector.ImageVector
+import androidx.compose.ui.res.stringResource
+import androidx.navigation.NavDestination.Companion.hierarchy
+import androidx.navigation.compose.NavHost
+import androidx.hilt.navigation.compose.hiltViewModel
+import androidx.navigation.compose.currentBackStackEntryAsState
+import com.ericampire.android.androidstudycase.app.addExploreScreen
+import com.ericampire.android.androidstudycase.app.addHomeScreen
+import com.ericampire.android.androidstudycase.app.addPreviewScreen
+import com.ericampire.android.androidstudycase.util.Destination
+
+@Composable
+fun MainScreen() {
+  val navController = rememberNavController()
+
+  val items = listOf(
+    Destination.Home,
+    Destination.Preview,
+    Destination.Explore,
+  )
+
+  Scaffold(
+    bottomBar = {
+      BottomNavigation(
+        backgroundColor = MaterialTheme.colors.background,
+        content = {
+          val navBackStackEntry by navController.currentBackStackEntryAsState()
+          val currentDestination = navBackStackEntry?.destination
+          items.forEachIndexed { index, screen ->
+            BottomNavigationItem(
+              selectedContentColor = MaterialTheme.colors.primary,
+              unselectedContentColor = Color.Gray,
+              icon = {
+                Icon(
+                  imageVector = getIconByIndex(index),
+                  contentDescription = null
+                )
+              },
+              label = {
+                Text(text = stringResource(screen.resourceId))
+              },
+              selected = currentDestination?.hierarchy?.any { it.route == screen.route } == true,
+              onClick = {
+                navController.navigate(screen.route) {
+                  launchSingleTop = true
+                  restoreState = true
+                }
+              }
+            )
+          }
+        }
+      )
+    },
+    content = { innerPadding ->
+      NavHost(
+        navController = navController,
+        modifier = Modifier.padding(innerPadding),
+        startDestination = Destination.Home.route,
+        builder = {
+          addHomeScreen(navController = navController)
+          addPreviewScreen(navController = navController)
+          addExploreScreen(navController = navController)
+        }
+      )
+    },
+  )
+}
+
+fun getIconByIndex(index: Int): ImageVector {
+  return when (index) {
+    0 -> Icons.Rounded.Home
+    1 -> Icons.Rounded.Scanner
+    2 -> Icons.Rounded.Explore
+    else -> Icons.Rounded.Home
+  }
+}

app/src/main/java/com/ericampire/android/androidstudycase/presentation/screen/preview/business/PreviewAction.kt

@@ -0,0 +1,3 @@
+package com.ericampire.android.androidstudycase.presentation.screen.preview.business
+
+sealed interface PreviewAction

app/src/main/java/com/ericampire/android/androidstudycase/presentation/screen/preview/business/PreviewEffect.kt

@@ -0,0 +1,3 @@
+package com.ericampire.android.androidstudycase.presentation.screen.preview.business
+
+sealed interface PreviewEffect

app/src/main/java/com/ericampire/android/androidstudycase/presentation/screen/preview/business/PreviewViewModel.kt

@@ -0,0 +1,27 @@
+package com.ericampire.android.androidstudycase.presentation.screen.preview.business
+
+import androidx.lifecycle.viewModelScope
+import com.ericampire.android.androidstudycase.util.mvi.BaseViewModel
+import dagger.hilt.android.lifecycle.HiltViewModel
+import kotlinx.coroutines.flow.collectLatest
+import kotlinx.coroutines.launch
+import org.orbitmvi.orbit.Container
+import org.orbitmvi.orbit.viewmodel.container
+import javax.inject.Inject
+
+@HiltViewModel
+class PreviewViewModel @Inject constructor(
+
+) : BaseViewModel<PreviewViewState, PreviewEffect, PreviewAction>() {
+
+  override val container: Container<PreviewViewState, PreviewEffect>
+    get() = container(initialState = PreviewViewState())
+
+  init {
+    viewModelScope.launch {
+      pendingAction.collectLatest { action ->
+
+      }
+    }
+  }
+}

app/src/main/java/com/ericampire/android/androidstudycase/presentation/screen/preview/business/PreviewViewState.kt

@@ -0,0 +1,7 @@
+package com.ericampire.android.androidstudycase.presentation.screen.preview.business
+
+import com.ericampire.android.androidstudycase.domain.entity.Lottiefile
+
+data class PreviewViewState(
+  val lottieFile: Lottiefile? = null
+)

app/src/main/java/com/ericampire/android/androidstudycase/presentation/screen/preview/ui/PreviewScreen.kt

@@ -0,0 +1,13 @@
+package com.ericampire.android.androidstudycase.presentation.screen.preview.ui
+
+import androidx.compose.runtime.Composable
+import androidx.navigation.NavController
+import com.ericampire.android.androidstudycase.presentation.screen.preview.business.PreviewViewModel
+
+@Composable
+fun PreviewScreen(
+  navController: NavController,
+  viewModel: PreviewViewModel
+) {
+
+}

app/src/main/java/com/ericampire/android/androidstudycase/presentation/theme/Color.kt

@@ -0,0 +1,12 @@
+package com.ericampire.android.androidstudycase.presentation.theme
+
+import androidx.compose.ui.graphics.Color
+
+
+
+object AppColor {
+  val Purple200 = Color(0xFFBB86FC)
+  val Purple500 = Color(0xFF6200EE)
+  val Purple700 = Color(0xFF3700B3)
+  val Teal200 = Color(0xFF03DAC5)
+}

app/src/main/java/com/ericampire/android/androidstudycase/presentation/theme/Shape.kt

@@ -1,4 +1,4 @@
-package com.ericampire.android.androidstudycase.ui.theme
+package com.ericampire.android.androidstudycase.presentation.theme
 
 import androidx.compose.foundation.shape.RoundedCornerShape
 import androidx.compose.material.Shapes

app/src/main/java/com/ericampire/android/androidstudycase/presentation/theme/Theme.kt

@@ -1,4 +1,4 @@
-package com.ericampire.android.androidstudycase.ui.theme
+package com.ericampire.android.androidstudycase.presentation.theme
 
 import androidx.compose.foundation.isSystemInDarkTheme
 import androidx.compose.material.MaterialTheme
@@ -8,15 +8,15 @@ import androidx.compose.runtime.Composable
 import androidx.compose.ui.graphics.Color
 
 private val DarkColorPalette = darkColors(
-  primary = Purple200,
+  primary = AppColor.Purple200,
-  primaryVariant = Purple700,
+  primaryVariant = AppColor.Purple700,
-  secondary = Teal200
+  secondary = AppColor.Teal200
 )
 
 private val LightColorPalette = lightColors(
-  primary = Purple500,
+  primary = AppColor.Purple500,
-  primaryVariant = Purple700,
+  primaryVariant = AppColor.Purple700,
-  secondary = Teal200,
+  secondary = AppColor.Teal200,
   background = Color.White,
   surface = Color.White,
   onPrimary = Color.White,

app/src/main/java/com/ericampire/android/androidstudycase/presentation/theme/Type.kt

@@ -1,4 +1,4 @@
-package com.ericampire.android.androidstudycase.ui.theme
+package com.ericampire.android.androidstudycase.presentation.theme
 
 import androidx.compose.material.Typography
 import androidx.compose.ui.text.TextStyle

app/src/main/java/com/ericampire/android/androidstudycase/ui/theme/Color.kt

@@ -1,8 +0,0 @@
-package com.ericampire.android.androidstudycase.ui.theme
-
-import androidx.compose.ui.graphics.Color
-
-val Purple200 = Color(0xFFBB86FC)
-val Purple500 = Color(0xFF6200EE)
-val Purple700 = Color(0xFF3700B3)
-val Teal200 = Color(0xFF03DAC5)

app/src/main/java/com/ericampire/android/androidstudycase/util/Destination.kt

@@ -0,0 +1,10 @@
+package com.ericampire.android.androidstudycase.util
+
+import androidx.annotation.StringRes
+import com.ericampire.android.androidstudycase.R
+
+sealed class Destination(val route: String, @StringRes val resourceId: Int) {
+  object Home : Destination("home", R.string.txt_home)
+  object Explore : Destination("explore", R.string.txt_explore)
+  object Preview : Destination("preview", R.string.txt_preview)
+}

buildSrc/src/main/kotlin/Libs.kt

@@ -32,6 +32,7 @@ object Libs {
   const val compose_ui_tooling = "androidx.compose.ui:ui-tooling:_"
   const val compose_ui_tooling_preview = "androidx.compose.ui:ui-tooling-preview:_"
 
+  const val androidx_lifecycle_viewmodel_ktx = "androidx.lifecycle:lifecycle-viewmodel-ktx:_"
   const val core_ktx = "androidx.core:core-ktx:_"
   const val lifecycle_runtime_ktx = "androidx.lifecycle:lifecycle-runtime-ktx:_"
   const val androidx_test_ext_junit = "androidx.test.ext:junit:_"
@@ -131,6 +132,7 @@ object Libs {
 
   const val room_compiler = "androidx.room:room-compiler:_"
   const val room_runtime = "androidx.room:room-runtime:_"
+  const val room_ktx = "androidx.room:room-ktx:_"
   const val room_testing = "androidx.room:room-testing:_"
 
   const val koin_core = "io.insert-koin:koin-core:_"
@@ -143,4 +145,6 @@ object Libs {
   const val orbit_mvi_viewmodel = "org.orbit-mvi:orbit-viewmodel:4.2.0"
   const val orbit_mvi_core = "org.orbit-mvi:orbit-core:4.2.0"
   const val orbit_mvi_test = "org.orbit-mvi:orbit-test:4.2.0"
+
+  const val joda_time = "net.danlew:android.joda:2.10.9"
 }

data/src/main/java/com/ericampire/android/androidstudycase/data/di/RepositoryModule.kt

@@ -1,6 +1,5 @@
 package com.ericampire.android.androidstudycase.data.di
 
-import com.ericampire.android.androidstudycase.data.datasource.animator.AnimatorDataSource
 import com.ericampire.android.androidstudycase.data.datasource.animator.LocalAnimatorDataSource
 import com.ericampire.android.androidstudycase.data.datasource.animator.RemoteAnimatorDataSource
 import com.ericampire.android.androidstudycase.data.datasource.blog.LocalBlogDataSource

domain/build.gradle.kts

@@ -3,7 +3,7 @@ import de.fayard.refreshVersions.core.versionFor
 plugins {
   id("com.android.library")
   id("kotlin-android")
-  kotlin("plugin.serialization") version "1.5.21"
+  kotlin("plugin.serialization") version "1.5.20"
   kotlin("kapt")
 }
 
@@ -41,8 +41,7 @@ dependencies {
 
   api(Libs.ktor_client_core)
   api(Libs.ktor_serialization)
-
+  api(Libs.joda_time)
-  api(Libs.room_runtime)
 
   testImplementation(Libs.junit_jupiter_api)
   testImplementation(Libs.junit_jupiter_engine)

domain/src/main/java/com/ericampire/android/androidstudycase/domain/entity/Animator.kt

@@ -10,8 +10,8 @@ import kotlinx.serialization.Serializable
 @Entity
 data class Animator(
   @PrimaryKey
-  val name: String = "",
+  var name: String = "",
-  val avatarUrl: String = "",
+  var avatarUrl: String = "",
 )
 
 @Serializable

domain/src/main/java/com/ericampire/android/androidstudycase/domain/entity/BlogPage.kt

@@ -2,6 +2,9 @@ package com.ericampire.android.androidstudycase.domain.entity
 
 import androidx.room.Entity
 import androidx.room.PrimaryKey
+import androidx.room.TypeConverters
+import com.ericampire.android.androidstudycase.domain.util.DateSerializer
+import com.ericampire.android.androidstudycase.util.room.DateConverter
 import kotlinx.serialization.Contextual
 import kotlinx.serialization.SerialName
 import kotlinx.serialization.Serializable
@@ -9,29 +12,31 @@ import java.util.*
 
 @Serializable
 data class BlogPage(
-    val currentPage: Int,
+  val currentPage: Int,
-    val from: Int,
+  val from: Int,
-    val perPage: Int,
+  val perPage: Int,
-    val blogs: List<Blog>,
+  val blogs: List<Blog>,
-    val to: Int,
+  val to: Int,
-    val total: Int,
+  val total: Int,
-    val totalPages: Int
+  val totalPages: Int
 )
 
 @Serializable
 data class BlogData(
-    @SerialName("blogs") val blogPage: BlogPage
+  @SerialName("blogs") val blogPage: BlogPage
 )
 
 @Serializable
 data class BlogApiResponse(
-    @SerialName("data") val blogBlogData: BlogData
+  @SerialName("data") val blogBlogData: BlogData
 )
 
 @Serializable
 @Entity
 data class Blog(
-    @Contextual val postedAt: Date,
+//  @TypeConverters(DateConverter::class)
-    @PrimaryKey val imageUrl: String,
+//  @Serializable(with = DateSerializer::class)
-    val title: String
+  var postedAt: String = "",
+  @PrimaryKey val imageUrl: String = "",
+  var title: String
 )

domain/src/main/java/com/ericampire/android/androidstudycase/domain/entity/Lottiefile.kt

@@ -1,14 +1,14 @@
 package com.ericampire.android.androidstudycase.domain.entity
 
-import androidx.room.Entity
+import androidx.room.*
-import androidx.room.PrimaryKey
+import com.ericampire.android.androidstudycase.domain.util.DateSerializer
+import com.ericampire.android.androidstudycase.util.room.DateConverter
 import kotlinx.serialization.Contextual
 import kotlinx.serialization.ExperimentalSerializationApi
 import java.util.*
 import kotlinx.serialization.SerialName
 import kotlinx.serialization.Serializable
 import kotlinx.serialization.json.JsonNames
-import java.util.*
 
 @Serializable
 data class LottieFilesApiResponse(
@@ -16,10 +16,9 @@ data class LottieFilesApiResponse(
   val lottieFilesLottieFilesData: LottieFilesData
 )
 
-@ExperimentalSerializationApi
 @Serializable
 data class LottieFilesData(
-  @JsonNames("recent", "popular")
+  @SerialName("recent")
   val page: LottieFilesPage
 )
 
@@ -39,15 +38,17 @@ data class LottieFilesPage(
 @Serializable
 @Entity
 class Lottiefile(
-  @PrimaryKey val id: Long,
+  @PrimaryKey var id: Long? = null,
-  val bgColor: String,
+  var bgColor: String = "",
-  val lottieUrl: String,
+  var lottieUrl: String = "",
-  val gifUrl: String,
+  var gifUrl: String = "",
-  val videoUrl: String,
+  var videoUrl: String = "",
-  val imageUrl: String,
+  var imageUrl: String = "",
-  val name: String,
+  var name: String = "",
-  @Contextual val createdAt: Date,
+//  @TypeConverters(DateConverter::class)
-  val createdBy: Animator
+//  @Serializable(with = DateSerializer::class)
+  var createdAt: String = "",
+  @Ignore var createdBy: Animator? = null
 )
 
 

domain/src/main/java/com/ericampire/android/androidstudycase/domain/util/DataSerializer.kt

@@ -0,0 +1,23 @@
+package com.ericampire.android.androidstudycase.domain.util
+
+import kotlinx.serialization.KSerializer
+import kotlinx.serialization.descriptors.PrimitiveKind
+import kotlinx.serialization.descriptors.PrimitiveSerialDescriptor
+import kotlinx.serialization.descriptors.SerialDescriptor
+import kotlinx.serialization.encoding.Decoder
+import kotlinx.serialization.encoding.Encoder
+import org.joda.time.DateTime
+import java.util.*
+
+object DateSerializer : KSerializer<Date> {
+  override val descriptor: SerialDescriptor
+    get() = PrimitiveSerialDescriptor("Date", PrimitiveKind.STRING)
+
+  override fun serialize(encoder: Encoder, value: Date) {
+    encoder.encodeString(DateTime(value).toString())
+  }
+
+  override fun deserialize(decoder: Decoder): Date {
+    return DateTime(decoder.decodeString()).toDate()
+  }
+}

i18n/src/main/res/values/strings.xml

@@ -2,6 +2,10 @@
 <resources>
 
     <string name="app_name">Lottiefile App</string>
-
+    <string name="txt_home">Home</string>
-
+    <string name="txt_explore">Explore</string>
+    <string name="txt_preview">Preview</string>
+    <string name="txt_featured">Featured</string>
+    <string name="txt_recent">Recent</string>
+    <string name="txt_popular">Popular</string>
 </resources>

util/build.gradle.kts

@@ -32,10 +32,16 @@ dependencies {
 
   api(project(":i18n"))
   implementation(Libs.core_ktx)
+  api(Libs.androidx_lifecycle_viewmodel_ktx)
+
+  api(Libs.room_runtime)
+  api(Libs.room_ktx)
 
   api(platform(Libs.kotlin_coroutine_bom))
   api(Libs.kotlin_coroutine_core)
 
+  api(Libs.orbit_mvi_core)
+
   testImplementation(Libs.junit_jupiter_api)
   testImplementation(Libs.junit_jupiter_engine)
 

util/src/main/java/com/ericampire/android/androidstudycase/util/mvi/BaseViewModel.kt

@@ -0,0 +1,17 @@
+package com.ericampire.android.androidstudycase.util.mvi
+
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
+import kotlinx.coroutines.flow.MutableSharedFlow
+import kotlinx.coroutines.launch
+import org.orbitmvi.orbit.ContainerHost
+
+abstract class BaseViewModel<S: Any, E: Any, A> : ContainerHost<S, E>, ViewModel() {
+  protected val pendingAction = MutableSharedFlow<A>()
+
+  protected fun submitAction(action: A) {
+    viewModelScope.launch {
+      pendingAction.emit(action)
+    }
+  }
+}

util/src/main/java/com/ericampire/android/androidstudycase/util/room/DateConverter.kt

@@ -0,0 +1,18 @@
+package com.ericampire.android.androidstudycase.util.room
+
+import androidx.room.TypeConverter
+import java.util.*
+
+
+object DateConverter {
+
+  @TypeConverter
+  fun fromTimestamp(value: Long): Date {
+    return Date(value)
+  }
+
+  @TypeConverter
+  fun dateToTimestamp(date: Date): Long {
+    return date.time
+  }
+}

util/src/main/java/com/ericampire/android/androidstudycase/util/usecase/FlowUseCase.kt

@@ -5,6 +5,7 @@ import kotlinx.coroutines.CoroutineDispatcher
 import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.flow.catch
 import kotlinx.coroutines.flow.flowOn
+import kotlinx.coroutines.flow.onStart
 
 /**
  * Executes business logic in its execute method and keep posting updates to the result as
@@ -13,6 +14,7 @@ import kotlinx.coroutines.flow.flowOn
  */
 abstract class FlowUseCase<in P, R>(private val coroutineDispatcher: CoroutineDispatcher) {
 	operator fun invoke(parameters: P): Flow<Result<R>> = execute(parameters)
+		.onStart { emit(Result.Loading) }
 		.catch { e -> emit(Result.Error(Exception(e))) }
 		.flowOn(coroutineDispatcher)