[#1] 지출내역 Database 구현

app/build.gradle.kts

@@ -1,6 +1,7 @@
 plugins {
     alias(libs.plugins.android.application)
     alias(libs.plugins.kotlin.android)
+    alias(libs.plugins.kotlin.ksp)
 }
 
 android {
@@ -18,6 +19,9 @@ android {
         vectorDrawables {
             useSupportLibrary = true
         }
+        ksp {
+            arg("room.schemaLocation", "$projectDir/schemas")
+        }
     }
 
     buildTypes {
@@ -30,11 +34,11 @@ android {
         }
     }
     compileOptions {
-        sourceCompatibility = JavaVersion.VERSION_19
-        targetCompatibility = JavaVersion.VERSION_19
+        sourceCompatibility = JavaVersion.VERSION_17
+        targetCompatibility = JavaVersion.VERSION_17
     }
     kotlinOptions {
-        jvmTarget = "19"
+        jvmTarget = "17"
     }
     buildFeatures {
         compose = true
@@ -50,7 +54,6 @@ android {
 }
 
 dependencies {
-
     implementation(libs.androidx.core.ktx)
     implementation(libs.androidx.lifecycle.runtime.ktx)
     implementation(libs.androidx.activity.compose)
@@ -59,6 +62,10 @@ dependencies {
     implementation(libs.androidx.ui.graphics)
     implementation(libs.androidx.ui.tooling.preview)
     implementation(libs.androidx.material3)
+
+    implementation(libs.androidx.room.ktx)
+    ksp(libs.androidx.room.compiler)
+
     testImplementation(libs.junit)
     androidTestImplementation(libs.androidx.junit)
     androidTestImplementation(libs.androidx.espresso.core)

app/src/androidTest/java/kr/ksw/mybudget/data/local/SpendingDaoTest.kt

@@ -0,0 +1,173 @@
+package kr.ksw.mybudget.data.local
+
+import android.content.Context
+import androidx.room.Room
+import androidx.test.core.app.ApplicationProvider
+import androidx.test.ext.junit.runners.AndroidJUnit4
+import kotlinx.coroutines.flow.first
+import kotlinx.coroutines.test.runTest
+import kr.ksw.mybudget.R
+import kr.ksw.mybudget.data.local.dao.SpendingDao
+import kr.ksw.mybudget.data.local.databases.MyBudgetDatabase
+import kr.ksw.mybudget.data.local.entity.SpendingEntity
+import kr.ksw.mybudget.data.local.mock.MAJOR_CATEGORY_FOOD
+import kr.ksw.mybudget.data.local.mock.MAJOR_CATEGORY_LIFE_STYLE
+import kr.ksw.mybudget.data.local.mock.spendingList
+import kr.ksw.mybudget.data.local.mock.spendingListForBetween
+import org.junit.After
+import org.junit.Before
+import org.junit.Test
+import org.junit.runner.RunWith
+import java.io.IOException
+import java.time.LocalDate
+
+@RunWith(AndroidJUnit4::class)
+class SpendingDaoTest {
+    private lateinit var db: MyBudgetDatabase
+    private lateinit var dao: SpendingDao
+
+    @Before
+    fun createDB() {
+        val context = ApplicationProvider.getApplicationContext<Context>()
+        db = Room.inMemoryDatabaseBuilder(
+            context,
+            MyBudgetDatabase::class.java
+        ).build()
+        dao = db.spendingDao
+    }
+
+    @After
+    @Throws(IOException::class)
+    fun closeDB() {
+        db.close()
+    }
+
+    @Test
+    fun getAllSpendingEntitiesIsEmpty() = runTest {
+        val result = dao.getAllSpendingEntities().first()
+        assert(result.isEmpty())
+    }
+
+    @Test
+    fun upsertSpendingEntity() = runTest {
+        val context = ApplicationProvider.getApplicationContext<Context>()
+        dao.upsertSpendingEntity(SpendingEntity(
+            title = "스타벅스",
+            date = LocalDate.now(),
+            majorCategory = context.resources.getInteger(R.integer.category_food),
+            subCategory = context.resources.getInteger(R.integer.category_cafe),
+            price = 5_000
+        ))
+        val result = dao.getAllSpendingEntities().first()
+        assert(result.isNotEmpty())
+    }
+
+    @Test
+    fun deleteSpendingEntity() = runTest {
+        val context = ApplicationProvider.getApplicationContext<Context>()
+        val spending = SpendingEntity(
+            id = 1,
+            title = "스타벅스",
+            date = LocalDate.now(),
+            majorCategory = context.resources.getInteger(R.integer.category_food),
+            subCategory = context.resources.getInteger(R.integer.category_cafe),
+            price = 5_000
+        )
+        dao.upsertSpendingEntity(spending)
+        assert(dao.getAllSpendingEntities().first().isNotEmpty())
+        dao.deleteSpendingEntity(spending)
+        assert(dao.getAllSpendingEntities().first().isEmpty())
+    }
+
+    @Test
+    fun `getSpendingEntitiesByMajorCategory Test Food Result Count is 2`() = runTest {
+        spendingList.forEach { spending ->
+            dao.upsertSpendingEntity(spending)
+        }
+        assert(dao.getAllSpendingEntities().first().isNotEmpty())
+
+        val result = dao.getSpendingEntitiesByMajorCategory(MAJOR_CATEGORY_FOOD)
+        assert(result.isNotEmpty())
+        assert(result.size == 2)
+    }
+
+    @Test
+    fun `getSpendingEntitiesBySubCategory Test LifeStyle And Transportation Category`() = runTest {
+        spendingList.forEach { spending ->
+            dao.upsertSpendingEntity(spending)
+        }
+        assert(dao.getAllSpendingEntities().first().isNotEmpty())
+
+        val resultLifeStyle = dao.getSpendingEntitiesByMajorCategory(MAJOR_CATEGORY_LIFE_STYLE)
+        assert(resultLifeStyle.size == 2)
+
+        val categoryTransportation = 31
+        val resultTransportation = dao.getSpendingEntitiesBySubCategory(categoryTransportation)
+        assert(resultTransportation.size == 1)
+    }
+
+    @Test
+    fun `getSpendingEntitiesBetween Today`() = runTest {
+        spendingList.forEach { spending ->
+            dao.upsertSpendingEntity(spending)
+        }
+        val from = LocalDate.now()
+        val to = LocalDate.now()
+        val result = dao.getSpendingEntitiesBetween(from, to)
+        assert(result.isNotEmpty())
+        assert(result.size == spendingList.size)
+    }
+
+    @Test
+    fun `getSpendingEntitiesBetween Week`() = runTest {
+        val now = LocalDate.now()
+        val from = now.plusDays(-((now.dayOfWeek.value - 1).toLong()))
+        val to = now.plusDays((7 - now.dayOfWeek.value).toLong())
+        spendingListForBetween.forEach { spending ->
+            dao.upsertSpendingEntity(spending)
+        }
+        val result = dao.getSpendingEntitiesBetween(from, to)
+        assert(result.isNotEmpty())
+        assert(result.size == 1)
+    }
+
+    @Test
+    fun `getSpendingEntitiesBetween Month`() = runTest {
+        val now = LocalDate.now()
+        val from = now.withDayOfMonth(1)
+        val to = now.withDayOfMonth(now.lengthOfMonth())
+        spendingListForBetween.forEach { spending ->
+            dao.upsertSpendingEntity(spending)
+        }
+        val result = dao.getSpendingEntitiesBetween(from, to)
+        assert(result.isNotEmpty())
+        assert(result.size == 2)
+    }
+
+    @Test
+    fun `getSpendingEntitiesBetween One Month Before`() = runTest {
+        val month = LocalDate.now().plusMonths(-1L)
+        val from = month.withDayOfMonth(1)
+        val to = month.withDayOfMonth(month.lengthOfMonth())
+        println("$from, $to")
+        spendingListForBetween.forEach { spending ->
+            dao.upsertSpendingEntity(spending)
+        }
+        val result = dao.getSpendingEntitiesBetween(from, to)
+        assert(result.isNotEmpty())
+        assert(result.size == 1)
+    }
+
+    @Test
+    fun `getSpendingEntitiesBetween Year`() = runTest {
+        val now = LocalDate.now()
+        val from = now.withDayOfYear(1)
+        println("$from, $now")
+        spendingListForBetween.forEach { spending ->
+            dao.upsertSpendingEntity(spending)
+        }
+        val result = dao.getSpendingEntitiesBetween(from, now)
+        assert(result.isNotEmpty())
+        assert(result.size == spendingListForBetween.size)
+    }
+}

app/src/androidTest/java/kr/ksw/mybudget/data/local/mock/SpendingMock.kt

@@ -0,0 +1,78 @@
+package kr.ksw.mybudget.data.local.mock
+
+import kr.ksw.mybudget.data.local.entity.SpendingEntity
+import java.time.LocalDate
+
+const val MAJOR_CATEGORY_FOOD = 1
+const val MAJOR_CATEGORY_CULTURE = 2
+const val MAJOR_CATEGORY_LIFE_STYLE = 3
+const val MAJOR_CATEGORY_CASH = 4
+
+val spendingList = listOf(
+    SpendingEntity(
+        title = "스타벅스",
+        date = LocalDate.now(),
+        majorCategory = MAJOR_CATEGORY_FOOD,
+        subCategory = 12,
+        price = 6_000
+    ),
+    SpendingEntity(
+        title = "할리스",
+        date = LocalDate.now(),
+        majorCategory = MAJOR_CATEGORY_FOOD,
+        subCategory = 12,
+        price = 5_000
+    ),
+    SpendingEntity(
+        title = "영화",
+        date = LocalDate.now(),
+        majorCategory = MAJOR_CATEGORY_CULTURE,
+        subCategory = 22,
+        price = 15_000
+    ),
+    SpendingEntity(
+        title = "교통비",
+        date = LocalDate.now(),
+        majorCategory = MAJOR_CATEGORY_LIFE_STYLE,
+        subCategory = 31,
+        price = 100_000
+    ),
+    SpendingEntity(
+        title = "통신비",
+        date = LocalDate.now(),
+        majorCategory = MAJOR_CATEGORY_LIFE_STYLE,
+        subCategory = 32,
+        price = 50_000
+    ),
+    SpendingEntity(
+        title = "송금",
+        date = LocalDate.now(),
+        majorCategory = MAJOR_CATEGORY_CASH,
+        subCategory = 41,
+        price = 200_000
+    ),
+)
+
+val spendingListForBetween = listOf(
+    SpendingEntity(
+        title = "송금",
+        date = LocalDate.now().plusWeeks(-1L),
+        majorCategory = MAJOR_CATEGORY_CASH,
+        subCategory = 41,
+        price = 200_000
+    ),
+    SpendingEntity(
+        title = "송금",
+        date = LocalDate.now().plusMonths(-1L),
+        majorCategory = MAJOR_CATEGORY_CASH,
+        subCategory = 41,
+        price = 200_000
+    ),
+    SpendingEntity(
+        title = "송금",
+        date = LocalDate.now(),
+        majorCategory = MAJOR_CATEGORY_CASH,
+        subCategory = 41,
+        price = 200_000
+    ),
+)

app/src/main/java/kr/ksw/mybudget/data/local/converter/Converters.kt

@@ -0,0 +1,16 @@
+package kr.ksw.mybudget.data.local.converter
+
+import androidx.room.TypeConverter
+import java.time.LocalDate
+
+class Converters {
+    @TypeConverter
+    fun fromTimestamp(value: Int?): LocalDate? {
+        return value?.let {  LocalDate.ofYearDay(LocalDate.now().year, value) }
+    }
+
+    @TypeConverter
+    fun dateToTimestamp(date: LocalDate?): Int? {
+        return date?.dayOfYear
+    }
+}

app/src/main/java/kr/ksw/mybudget/data/local/dao/SpendingDao.kt

@@ -0,0 +1,38 @@
+package kr.ksw.mybudget.data.local.dao
+
+import androidx.room.Dao
+import androidx.room.Delete
+import androidx.room.Query
+import androidx.room.Upsert
+import kotlinx.coroutines.flow.Flow
+import kr.ksw.mybudget.data.local.entity.SpendingEntity
+import java.time.LocalDate
+import java.util.Date
+
+@Dao
+interface SpendingDao {
+    @Upsert
+    suspend fun upsertSpendingEntity(spendingEntity: SpendingEntity)
+
+    @Delete
+    suspend fun deleteSpendingEntity(spendingEntity: SpendingEntity)
+
+    @Query("SELECT * FROM spending_table")
+    fun getAllSpendingEntities(): Flow<List<SpendingEntity>>
+
+    @Query("SELECT * FROM spending_table WHERE majorCategory = :majorCategory")
+    suspend fun getSpendingEntitiesByMajorCategory(
+        majorCategory: Int
+    ): List<SpendingEntity>
+
+    @Query("SELECT * FROM spending_table WHERE subCategory = :subCategory")
+    suspend fun getSpendingEntitiesBySubCategory(
+        subCategory: Int
+    ): List<SpendingEntity>
+
+    @Query("SELECT * FROM spending_table WHERE date BETWEEN :from AND :to")
+    suspend fun getSpendingEntitiesBetween(
+        from: LocalDate,
+        to: LocalDate
+    ): List<SpendingEntity>
+}