Room Database insert

app/build.gradle.kts

@@ -7,8 +7,7 @@ plugins {
     alias(libs.plugins.android.application)
     alias(libs.plugins.kotlin.android)
     alias(libs.plugins.hilt.android)
-    kotlin("kapt")
-
+    alias(libs.plugins.ksp)
 }
 android {
     namespace = "com.flab.deepsleep"
@@ -48,9 +47,8 @@ android {
     }
 }
 dependencies {
-    kapt(libs.hilt.android.compiler)
-    kapt(libs.hilt.compiler)
-    kapt(libs.androidx.hilt.compiler)
+    ksp(libs.hilt.compiler)
+    ksp(libs.room.compiler)
     implementation(libs.retrofit)
     implementation(libs.gson)
     implementation(libs.hilt.android)
@@ -67,6 +65,8 @@ dependencies {
     implementation(libs.kotlinx.coroutines.android)
     implementation(libs.okhttp)
     implementation(libs.okhttp.profiler)
+    implementation(libs.room.runtime)
+    implementation(libs.room.ktx)
 
     implementation(libs.androidx.core.ktx)
     implementation(libs.androidx.appcompat)
@@ -77,15 +77,6 @@ dependencies {
     androidTestImplementation(libs.androidx.junit)
     androidTestImplementation(libs.androidx.espresso.core)
 }
-kapt {
-    correctErrorTypes = true
-    useBuildCache = false
-    showProcessorStats = true
-
-    arguments {
-        arg("dagger.hilt.android.internal.disableAndroidSuperclassValidation", "true")
-    }
-}
 hilt {
     enableAggregatingTask = false
-}
+}

app/src/main/java/com/flab/deepsleep/MainActivity.kt

@@ -2,6 +2,7 @@ package com.flab.deepsleep
 
 import PhotoAdapter
 import android.os.Bundle
+import android.widget.Toast
 import androidx.activity.enableEdgeToEdge
 import androidx.activity.viewModels
 import androidx.appcompat.app.AlertDialog
@@ -11,10 +12,11 @@ import androidx.lifecycle.Lifecycle
 import androidx.lifecycle.Observer
 import androidx.lifecycle.lifecycleScope
 import androidx.lifecycle.repeatOnLifecycle
-import androidx.recyclerview.widget.LinearLayoutManager
+import androidx.recyclerview.widget.GridLayoutManager
 import androidx.recyclerview.widget.RecyclerView
 import com.flab.deepsleep.databinding.ActivityMainBinding
 import com.flab.deepsleep.ui.photo.PhotoViewModel
+import com.flab.deepsleep.utils.RecyclerItemClickListener
 import dagger.hilt.android.AndroidEntryPoint
 import kotlinx.coroutines.flow.collectLatest
 import kotlinx.coroutines.launch
@@ -26,6 +28,20 @@ class MainActivity : AppCompatActivity() {
     private val photoRecyclerView: RecyclerView by lazy { binding.photosRecyclerView }
     private val photoAdapter: PhotoAdapter by lazy { PhotoAdapter() }
 
+    private fun setRecyclerView() {
+        photoRecyclerView.layoutManager = GridLayoutManager(this, 2)
+        photoRecyclerView.adapter = photoAdapter
+        photoRecyclerView.addOnItemTouchListener(
+            RecyclerItemClickListener(this, photoRecyclerView) { _, position ->
+                val photo = photoAdapter.snapshot()[position]
+                photo?.let {
+                    photoViewModel.insertPhoto(photo)
+                    Toast.makeText(this, "즐겨찾기 추가", Toast.LENGTH_SHORT).show()
+                }
+            }
+        )
+    }
+
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         enableEdgeToEdge()
@@ -45,6 +61,7 @@ class MainActivity : AppCompatActivity() {
             photoViewModel.searchPhotos(text.toString())
         }
 
+
         /* 에러 관찰 */
         photoViewModel.errorMessage.observe(this, Observer { it ->
             it?.let {
@@ -53,11 +70,6 @@ class MainActivity : AppCompatActivity() {
         })
     }
 
-    private fun setRecyclerView() {
-        photoRecyclerView.layoutManager = LinearLayoutManager(this)
-        photoRecyclerView.adapter = photoAdapter
-    }
-
     private fun showErrorDialog(message: String) {
         AlertDialog.Builder(this)
             .setTitle("Error")
@@ -67,5 +79,4 @@ class MainActivity : AppCompatActivity() {
             }
             .show()
     }
-
 }

app/src/main/java/com/flab/deepsleep/data/api/UnplashService.kt

@@ -2,7 +2,7 @@ package com.flab.deepsleep.data.api
 
 import com.flab.deepsleep.data.entity.photos.SinglePhoto
 
-import com.flab.deepsleep.data.entity.search.SearchPhotos
+import com.flab.deepsleep.data.entity.photos.SearchPhotos
 import retrofit2.http.GET
 import retrofit2.http.Path
 import retrofit2.http.Query

app/src/main/java/com/flab/deepsleep/data/di/HiltModule.kt

@@ -1,11 +1,16 @@
 package com.flab.deepsleep.data.di
 
+import android.content.Context
 import com.flab.deepsleep.BuildConfig
 import com.flab.deepsleep.data.api.UnplashService
+import com.flab.deepsleep.data.entity.room.AppDatabase
+import com.flab.deepsleep.data.repository.db.PhotoRepository
+import com.flab.deepsleep.data.repository.db.OffLinePhotoRepository
 import com.localebro.okhttpprofiler.OkHttpProfilerInterceptor
 import dagger.Module
 import dagger.Provides
 import dagger.hilt.InstallIn
+import dagger.hilt.android.qualifiers.ApplicationContext
 import dagger.hilt.components.SingletonComponent
 import okhttp3.OkHttpClient
 import okhttp3.logging.HttpLoggingInterceptor
@@ -58,4 +63,17 @@ object HiltModule {
     fun provideUnplashService(retrofit: Retrofit): UnplashService {
         return HiltModule.retrofit.create(UnplashService::class.java)
     }
+
+    /*-- Room Database --*/
+    @Provides
+    @Singleton
+    fun provideItemsRepository(database: AppDatabase): PhotoRepository {
+        return OffLinePhotoRepository(database.photoDao())
+    }
+
+    @Provides
+    @Singleton
+    fun provideDatabase(@ApplicationContext context: Context): AppDatabase {
+        return AppDatabase.getDatabase(context)
+    }
 }

app/src/main/java/com/flab/deepsleep/data/entity/search/Results.kt → app/src/main/java/com/flab/deepsleep/data/entity/photos/Results.kt

@@ -1,4 +1,4 @@
-package com.flab.deepsleep.data.entity.search
+package com.flab.deepsleep.data.entity.photos
 import com.google.gson.annotations.SerializedName
 
 data class Results(

app/src/main/java/com/flab/deepsleep/data/entity/search/SearchPhotos.kt → app/src/main/java/com/flab/deepsleep/data/entity/photos/SearchPhotos.kt

@@ -1,4 +1,4 @@
-package com.flab.deepsleep.data.entity.search
+package com.flab.deepsleep.data.entity.photos
 import com.google.gson.annotations.SerializedName
 
 data class SearchPhotos(

app/src/main/java/com/flab/deepsleep/data/entity/search/SearchUser.kt → app/src/main/java/com/flab/deepsleep/data/entity/photos/SearchUser.kt

@@ -1,6 +1,5 @@
-package com.flab.deepsleep.data.entity.search
+package com.flab.deepsleep.data.entity.photos
 
-import com.flab.deepsleep.data.entity.photos.Urls
 import com.google.gson.annotations.SerializedName
 
 data class SearchUser(

app/src/main/java/com/flab/deepsleep/data/entity/photos/SinglePhoto.kt

@@ -1,5 +1,6 @@
 package com.flab.deepsleep.data.entity.photos
 
+import com.flab.deepsleep.data.entity.room.Photo
 import com.google.gson.annotations.SerializedName
 
 data class SinglePhoto(
@@ -33,24 +34,15 @@ data class SinglePhoto(
     val urls: Urls?,
     @SerializedName("user")
     val user: User?
-){
-    fun toDefault(singlePhoto: SinglePhoto): SinglePhoto{
-        return SinglePhoto(
-            id = singlePhoto?.id,
-            description = singlePhoto?.description,
-            color = singlePhoto?.color,
-            createdAt = singlePhoto?.createdAt,
-            downloads = 0,
-            height = 0,
-            width = 0,
-            blurHash = singlePhoto?.blurHash,
-            likedByUser = false,
-            likes = 0,
-            publicDomain = true,
-            updatedAt = singlePhoto?.updatedAt,
-            exif = singlePhoto?.exif,
-            urls = singlePhoto?.urls,
-            user = singlePhoto?.user
-        )
-    }
-}
+)
+
+fun SinglePhoto.toPhoto(): Photo {
+    return Photo(
+        id = this.id?.toIntOrNull() ?: 0,
+        likes = this.likes,
+        urls = this.urls?.raw,
+        createdAt = this.createdAt,
+        username = this.user?.username,
+        isLike = true
+    )
+}

app/src/main/java/com/flab/deepsleep/data/entity/room/AppDatabase.kt

@@ -0,0 +1,24 @@
+package com.flab.deepsleep.data.entity.room
+
+import android.content.Context
+import androidx.room.Database
+import androidx.room.Room
+import androidx.room.RoomDatabase
+
+@Database(entities = [Photo::class], version = 2)
+abstract class AppDatabase : RoomDatabase() {
+    abstract fun photoDao(): PhotoDao
+
+    companion object {
+        @Volatile
+        private var Instance: AppDatabase? = null
+
+        fun getDatabase(context: Context): AppDatabase {
+            return Instance ?: synchronized(this) {
+                Room.databaseBuilder(context, AppDatabase::class.java, "photo_database")
+                    .build()
+                    .also { Instance = it }
+            }
+        }
+    }
+}

app/src/main/java/com/flab/deepsleep/data/entity/room/Photo.kt

@@ -0,0 +1,16 @@
+package com.flab.deepsleep.data.entity.room
+
+import androidx.room.ColumnInfo
+import androidx.room.Entity
+import androidx.room.PrimaryKey
+
+@Entity(tableName = "photo")
+data class Photo(
+    @PrimaryKey(autoGenerate = true) val pk: Int = 0,
+    @ColumnInfo(name = "id") val id: Int,
+    @ColumnInfo(name = "likes") val likes: Int,
+    @ColumnInfo(name = "urls") val urls: String?,
+    @ColumnInfo(name = "created_at") val createdAt: String?,
+    @ColumnInfo(name = "username") val username: String?,
+    @ColumnInfo(name = "is_like", defaultValue = "0") val isLike: Boolean = false,
+)

app/src/main/java/com/flab/deepsleep/data/entity/room/PhotoDao.kt

@@ -0,0 +1,20 @@
+package com.flab.deepsleep.data.entity.room
+
+import androidx.room.Dao
+import androidx.room.Delete
+import androidx.room.Insert
+import androidx.room.OnConflictStrategy
+import androidx.room.Query
+import kotlinx.coroutines.flow.Flow
+
+@Dao
+interface PhotoDao {
+    @Query("SELECT * FROM `photo` order by pk DESC")
+    fun getAll(): Flow<List<Photo>>
+
+    @Insert(onConflict = OnConflictStrategy.IGNORE)
+    fun insert(vararg like: Photo)
+
+    @Delete
+    suspend fun delete(like: Photo)
+}

app/src/main/java/com/flab/deepsleep/data/repository/db/OffLinePhotoRepository.kt

@@ -0,0 +1,11 @@
+package com.flab.deepsleep.data.repository.db
+
+import com.flab.deepsleep.data.entity.room.Photo
+import com.flab.deepsleep.data.entity.room.PhotoDao
+import kotlinx.coroutines.flow.Flow
+
+class OffLinePhotoRepository(private val photoDao: PhotoDao) : PhotoRepository {
+    override fun getAllPhotos(): Flow<List<Photo>> = photoDao.getAll()
+    override suspend fun insertPhoto(like: Photo) = photoDao.insert(like)
+    override suspend fun deletePhoto(like: Photo) = photoDao.delete(like)
+}

app/src/main/java/com/flab/deepsleep/data/repository/db/PhotoRepository.kt

@@ -0,0 +1,10 @@
+package com.flab.deepsleep.data.repository.db
+
+import com.flab.deepsleep.data.entity.room.Photo
+import kotlinx.coroutines.flow.Flow
+
+interface PhotoRepository {
+    fun getAllPhotos(): Flow<List<Photo>>
+    suspend fun insertPhoto(like: Photo)
+    suspend fun deletePhoto(like: Photo)
+}

app/src/main/java/com/flab/deepsleep/data/repository/photo/UnplashRepository.kt

@@ -0,0 +1,10 @@
+package com.flab.deepsleep.data.repository.photo
+
+import com.flab.deepsleep.data.entity.photos.SinglePhoto
+import com.flab.deepsleep.data.entity.photos.SearchPhotos
+
+interface UnplashRepository {
+    suspend fun getRandomPhotos(count: Int): List<SinglePhoto>
+    suspend fun getSearchPhotos(query: String): SearchPhotos
+    suspend fun getSinglePhotoById(photoId: String): SinglePhoto
+}

app/src/main/java/com/flab/deepsleep/data/repo/UnplashRepositoryImpl.kt → app/src/main/java/com/flab/deepsleep/data/repository/photo/UnplashRepositoryImpl.kt

@@ -1,9 +1,9 @@
-package com.flab.deepsleep.data.repo
+package com.flab.deepsleep.data.repository.photo
 
 import com.flab.deepsleep.BuildConfig
 import com.flab.deepsleep.data.api.UnplashService
 import com.flab.deepsleep.data.entity.photos.SinglePhoto
-import com.flab.deepsleep.data.entity.search.SearchPhotos
+import com.flab.deepsleep.data.entity.photos.SearchPhotos
 import javax.inject.Inject
 
 class UnplashRepositoryImpl @Inject constructor(private val unplashService: UnplashService) :