♻️ change the return type of feed repository

android/app/src/main/java/net/pengcook/android/data/datasource/FeedPagingSource.kt

@@ -2,13 +2,13 @@ package net.pengcook.android.data.datasource
 
 import androidx.paging.PagingSource
 import androidx.paging.PagingState
-import net.pengcook.android.presentation.core.model.Feed
+import net.pengcook.android.presentation.core.model.Recipe
 
 class FeedPagingSource(
     private val initialPageNumber: Int = 0,
-    private val fetchFeeds: suspend (pageNumber: Int, size: Int) -> Result<List<Feed>>,
-) : PagingSource<Int, Feed>() {
-    override suspend fun load(params: LoadParams<Int>): LoadResult<Int, Feed> {
+    private val fetchFeeds: suspend (pageNumber: Int, size: Int) -> Result<List<Recipe>>,
+) : PagingSource<Int, Recipe>() {
+    override suspend fun load(params: LoadParams<Int>): LoadResult<Int, Recipe> {
         val pageNumber = params.key ?: initialPageNumber
         return runCatching {
             val feeds = fetchFeeds(pageNumber, params.loadSize)
@@ -20,11 +20,11 @@ class FeedPagingSource(
                 nextKey = nextKey,
             )
         }.onFailure { throwable ->
-            LoadResult.Error<Int, Feed>(throwable)
+            LoadResult.Error<Int, Recipe>(throwable)
         }.getOrThrow()
     }
 
-    override fun getRefreshKey(state: PagingState<Int, Feed>): Int? {
+    override fun getRefreshKey(state: PagingState<Int, Recipe>): Int? {
         return state.anchorPosition?.let { anchorPosition ->
             state.closestPageToPosition(anchorPosition)?.prevKey
         }

android/app/src/main/java/net/pengcook/android/data/model/feed/item/FeedItemResponse.kt

@@ -7,7 +7,7 @@ data class FeedItemResponse(
     val description: String,
     val difficulty: Int,
     val ingredient: List<IngredientResponse>,
-    val likeCount: Int,
+    val likeCount: Long,
     val recipeId: Long,
     val thumbnail: String,
     val title: String,

android/app/src/main/java/net/pengcook/android/data/repository/feed/DefaultFeedRepository.kt

@@ -3,10 +3,10 @@ package net.pengcook.android.data.repository.feed
 import net.pengcook.android.data.datasource.feed.FeedRemoteDataSource
 import net.pengcook.android.data.model.feed.item.FeedItemResponse
 import net.pengcook.android.data.model.feed.step.RecipeStepResponse
-import net.pengcook.android.data.util.mapper.toFeed
+import net.pengcook.android.data.util.mapper.toRecipe
 import net.pengcook.android.data.util.mapper.toRecipeStep
 import net.pengcook.android.data.util.network.NetworkResponseHandler
-import net.pengcook.android.presentation.core.model.Feed
+import net.pengcook.android.presentation.core.model.Recipe
 import net.pengcook.android.presentation.detail.RecipeStep
 import retrofit2.Response
 
@@ -16,10 +16,10 @@ class DefaultFeedRepository(
     override suspend fun fetchRecipes(
         pageNumber: Int,
         pageSize: Int,
-    ): Result<List<Feed>> {
+    ): Result<List<Recipe>> {
         return runCatching {
             val response = feedRemoteDataSource.fetchRecipes(pageNumber, pageSize)
-            body(response, RESPONSE_CODE_SUCCESS).map(FeedItemResponse::toFeed)
+            body(response, RESPONSE_CODE_SUCCESS).map(FeedItemResponse::toRecipe)
         }
     }
 
@@ -34,11 +34,11 @@ class DefaultFeedRepository(
         pageNumber: Int,
         pageSize: Int,
         category: String,
-    ): Result<List<Feed>> {
+    ): Result<List<Recipe>> {
         return runCatching {
             val response =
                 feedRemoteDataSource.fetchRecipesByCategory(pageNumber, pageSize, category)
-            body(response, RESPONSE_CODE_SUCCESS).map(FeedItemResponse::toFeed)
+            body(response, RESPONSE_CODE_SUCCESS).map(FeedItemResponse::toRecipe)
         }
     }
 

android/app/src/main/java/net/pengcook/android/data/repository/feed/FeedRepository.kt

@@ -1,19 +1,19 @@
 package net.pengcook.android.data.repository.feed
 
-import net.pengcook.android.presentation.core.model.Feed
+import net.pengcook.android.presentation.core.model.Recipe
 import net.pengcook.android.presentation.detail.RecipeStep
 
 interface FeedRepository {
     suspend fun fetchRecipes(
         pageNumber: Int,
         pageSize: Int,
-    ): Result<List<Feed>>
+    ): Result<List<Recipe>>
 
     suspend fun fetchRecipeSteps(recipeId: Long): Result<List<RecipeStep>>
 
     suspend fun fetchRecipesByCategory(
         pageNumber: Int,
         pageSize: Int,
         category: String,
-    ): Result<List<Feed>>
+    ): Result<List<Recipe>>
 }

android/app/src/main/java/net/pengcook/android/data/util/mapper/FeedMapper.kt

@@ -1,18 +1,27 @@
 package net.pengcook.android.data.util.mapper
 
+import net.pengcook.android.data.model.feed.item.AuthorResponse
+import net.pengcook.android.data.model.feed.item.CategoryResponse
 import net.pengcook.android.data.model.feed.item.FeedItemResponse
+import net.pengcook.android.data.model.feed.item.IngredientResponse
 import net.pengcook.android.data.model.feed.step.RecipeStepResponse
-import net.pengcook.android.presentation.core.model.Feed
+import net.pengcook.android.presentation.core.model.Ingredient
+import net.pengcook.android.presentation.core.model.Recipe
+import net.pengcook.android.presentation.core.model.User
 import net.pengcook.android.presentation.detail.RecipeStep
 
-fun FeedItemResponse.toFeed(): Feed =
-    Feed(
-        id = recipeId,
-        username = author.authorName,
-        profileImageUrl = author.authorImage,
-        recipeImageUrl = thumbnail,
-        recipeTitle = title,
-        likeCount = likeCount,
+fun FeedItemResponse.toRecipe(): Recipe =
+    Recipe(
+        title = title,
+        recipeId = recipeId,
+        category = category.map(CategoryResponse::toCategoryText),
+        cookingTime = cookingTime,
+        thumbnail = thumbnail,
+        user = author.toUser(),
+        favoriteCount = likeCount,
+        ingredients = ingredient.map(IngredientResponse::toIngredient),
+        difficulty = difficulty,
+        introduction = description,
         commentCount = 0,
     )
 
@@ -24,3 +33,19 @@ fun RecipeStepResponse.toRecipeStep(): RecipeStep =
         image = image,
         sequence = sequence,
     )
+
+private fun CategoryResponse.toCategoryText(): String = categoryName
+
+private fun AuthorResponse.toUser(): User =
+    User(
+        id = authorId,
+        username = authorName,
+        profile = authorImage,
+    )
+
+private fun IngredientResponse.toIngredient(): Ingredient =
+    Ingredient(
+        ingredientId = ingredientId,
+        ingredientName = ingredientName,
+        requirement = requirement,
+    )

android/app/src/main/java/net/pengcook/android/presentation/core/model/Ingredient.kt

@@ -0,0 +1,11 @@
+package net.pengcook.android.presentation.core.model
+
+import android.os.Parcelable
+import kotlinx.parcelize.Parcelize
+
+@Parcelize
+data class Ingredient(
+    val ingredientId: Long,
+    val ingredientName: String,
+    val requirement: String,
+) : Parcelable

android/app/src/main/java/net/pengcook/android/presentation/core/model/Recipe.kt

@@ -5,13 +5,15 @@ import kotlinx.parcelize.Parcelize
 
 @Parcelize
 data class Recipe(
+    val recipeId: Long = 1L,
     val title: String,
-    val category: String,
+    val category: List<String>,
+    val cookingTime: String,
     val thumbnail: String,
     val user: User,
     val favoriteCount: Long,
-    val ingredients: List<String>,
-    val timeRequired: Int,
-    val difficulty: String,
+    val ingredients: List<Ingredient>,
+    val difficulty: Int,
     val introduction: String,
+    val commentCount: Long,
 ) : Parcelable

android/app/src/main/java/net/pengcook/android/presentation/home/FeedRecyclerViewAdapter.kt

@@ -6,11 +6,11 @@ import androidx.paging.PagingDataAdapter
 import androidx.recyclerview.widget.DiffUtil
 import androidx.recyclerview.widget.RecyclerView
 import net.pengcook.android.databinding.ItemFeedBinding
-import net.pengcook.android.presentation.core.model.Feed
+import net.pengcook.android.presentation.core.model.Recipe
 import net.pengcook.android.presentation.home.listener.FeedItemEventListener
 
 class FeedRecyclerViewAdapter(private val eventListener: FeedItemEventListener) :
-    PagingDataAdapter<Feed, FeedRecyclerViewAdapter.ViewHolder>(diffCallback) {
+    PagingDataAdapter<Recipe, FeedRecyclerViewAdapter.ViewHolder>(diffCallback) {
     override fun onCreateViewHolder(
         parent: ViewGroup,
         viewType: Int,
@@ -31,25 +31,25 @@ class FeedRecyclerViewAdapter(private val eventListener: FeedItemEventListener)
     }
 
     class ViewHolder(private val binding: ItemFeedBinding) : RecyclerView.ViewHolder(binding.root) {
-        fun bind(item: Feed) {
-            binding.feed = item
+        fun bind(item: Recipe) {
+            binding.recipe = item
             binding.executePendingBindings()
         }
     }
 
     companion object {
         val diffCallback =
-            object : DiffUtil.ItemCallback<Feed>() {
+            object : DiffUtil.ItemCallback<Recipe>() {
                 override fun areItemsTheSame(
-                    oldItem: Feed,
-                    newItem: Feed,
+                    oldItem: Recipe,
+                    newItem: Recipe,
                 ): Boolean {
-                    return oldItem.id == newItem.id
+                    return oldItem.recipeId == newItem.recipeId
                 }
 
                 override fun areContentsTheSame(
-                    oldItem: Feed,
-                    newItem: Feed,
+                    oldItem: Recipe,
+                    newItem: Recipe,
                 ): Boolean {
                     return oldItem == newItem
                 }

android/app/src/main/java/net/pengcook/android/presentation/home/HomeViewModel.kt

@@ -10,13 +10,13 @@ import androidx.paging.cachedIn
 import androidx.paging.liveData
 import net.pengcook.android.data.datasource.FeedPagingSource
 import net.pengcook.android.data.repository.feed.FeedRepository
-import net.pengcook.android.presentation.core.model.Feed
+import net.pengcook.android.presentation.core.model.Recipe
 import net.pengcook.android.presentation.home.listener.FeedItemEventListener
 
 class HomeViewModel(
     private val feedRepository: FeedRepository,
 ) : ViewModel(), FeedItemEventListener {
-    val feedData: LiveData<PagingData<Feed>> =
+    val feedData: LiveData<PagingData<Recipe>> =
         Pager(
             config = PagingConfig(pageSize = PAGE_SIZE, enablePlaceholders = false),
             pagingSourceFactory = { FeedPagingSource(fetchFeeds = feedRepository::fetchRecipes) },
@@ -28,7 +28,7 @@ class HomeViewModel(
         private const val PAGE_SIZE = 10
     }
 
-    override fun onNavigateToDetail(feedInfo: Feed) {
+    override fun onNavigateToDetail(recipe: Recipe) {
         // Navigate to detail page
     }
 }

android/app/src/main/java/net/pengcook/android/presentation/home/listener/FeedItemEventListener.kt

@@ -1,7 +1,7 @@
 package net.pengcook.android.presentation.home.listener
 
-import net.pengcook.android.presentation.core.model.Feed
+import net.pengcook.android.presentation.core.model.Recipe
 
 interface FeedItemEventListener {
-    fun onNavigateToDetail(feedInfo: Feed)
+    fun onNavigateToDetail(recipe: Recipe)
 }

android/app/src/main/res/layout/item_feed.xml

@@ -6,8 +6,8 @@
     <data>
 
         <variable
-            name="feed"
-            type="net.pengcook.android.presentation.core.model.Feed" />
+            name="recipe"
+            type="net.pengcook.android.presentation.core.model.Recipe" />
     </data>
 
     <com.google.android.material.card.MaterialCardView
@@ -25,7 +25,7 @@
                 android:layout_width="0dp"
                 android:layout_height="200dp"
                 android:scaleType="centerCrop"
-                app:imageUrl="@{feed.recipeImageUrl}"
+                app:imageUrl="@{recipe.thumbnail}"
                 app:layout_constraintEnd_toEndOf="parent"
                 app:layout_constraintHorizontal_bias="0.0"
                 app:layout_constraintStart_toStartOf="parent"
@@ -39,7 +39,7 @@
                 android:layout_height="40dp"
                 android:layout_marginEnd="8dp"
                 app:shapeAppearanceOverlay="@style/roundImageView"
-                app:imageUrl="@{feed.profileImageUrl}"
+                app:imageUrl="@{recipe.user.profile}"
                 app:layout_constraintStart_toStartOf="parent"
                 app:layout_constraintTop_toTopOf="parent"
                 tools:src="@drawable/ic_launcher_background"
@@ -54,7 +54,7 @@
                 android:id="@+id/username"
                 android:layout_width="0dp"
                 android:layout_height="wrap_content"
-                android:text="@{feed.username}"
+                android:text="@{recipe.user.username}"
                 style="@style/Body.Medium.B2"
                 android:layout_marginHorizontal="8dp"
                 tools:text="Username"
@@ -82,7 +82,7 @@
                 android:id="@+id/recipe_title"
                 android:layout_width="0dp"
                 android:layout_height="wrap_content"
-                android:text="@{feed.recipeTitle}"
+                android:text="@{recipe.title}"
                 style="@style/Headline.H4"
                 app:layout_constraintStart_toStartOf="parent"
                 app:layout_constraintTop_toBottomOf="@id/recipe_image"
@@ -107,7 +107,7 @@
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
                 android:layout_marginStart="8dp"
-                android:text="@{String.valueOf(feed.likeCount)}"
+                android:text="@{String.valueOf(recipe.favoriteCount)}"
                 tools:text="1200"
                 app:layout_constraintStart_toEndOf="@id/like_icon"
                 app:layout_constraintTop_toTopOf="@id/like_icon"
@@ -129,7 +129,7 @@
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
                 android:layout_marginStart="8dp"
-                android:text="@{String.valueOf(feed.commentCount)}"
+                android:text="@{String.valueOf(recipe.commentCount)}"
                 tools:text="800"
                 app:layout_constraintStart_toEndOf="@id/comment_icon"
                 app:layout_constraintTop_toTopOf="@id/comment_icon"