From 0d9b4e9a46df5ba285a3ac73aab9c46c1ee44de1 Mon Sep 17 00:00:00 2001
From: woowabrie <buyong.jo@woowahan.com>
Date: Fri, 14 Jun 2024 09:15:31 +0900
Subject: [PATCH] =?UTF-8?q?refactor:=20AttributeConverter=20=EC=B6=94?=
 =?UTF-8?q?=EC=83=81=ED=99=94?=
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---
 .../support/domain/StringToListConverter.kt   | 18 ++++++++++++------
 .../domain/StringToLongListConverter.kt       | 19 -------------------
 2 files changed, 12 insertions(+), 25 deletions(-)
 delete mode 100644 src/main/kotlin/support/domain/StringToLongListConverter.kt

diff --git a/src/main/kotlin/support/domain/StringToListConverter.kt b/src/main/kotlin/support/domain/StringToListConverter.kt
index f375d0a1f..3e26f1b44 100644
--- a/src/main/kotlin/support/domain/StringToListConverter.kt
+++ b/src/main/kotlin/support/domain/StringToListConverter.kt
@@ -2,18 +2,24 @@ package support.domain
 
 import javax.persistence.AttributeConverter
 import javax.persistence.Converter
+import kotlin.reflect.KClass
 
-@Converter
-class StringToListConverter : AttributeConverter<List<String>, String> {
-    override fun convertToDatabaseColumn(recipients: List<String>): String {
-        return recipients.joinToString(COMMA)
+abstract class StringToListConverter<T : Any>(
+    private val type: KClass<T>,
+    private val transform: (String) -> T,
+) : AttributeConverter<List<T>, String> {
+    override fun convertToDatabaseColumn(attribute: List<T>): String {
+        return attribute.joinToString(COMMA)
     }
 
-    override fun convertToEntityAttribute(dbData: String): List<String> {
-        return dbData.split(COMMA)
+    override fun convertToEntityAttribute(dbData: String): List<T> {
+        return dbData.split(COMMA).map { transform(it) }
     }
 
     companion object {
         private const val COMMA: String = ","
     }
 }
+
+@Converter
+class StringToLongListConverter : StringToListConverter<Long>(Long::class, String::toLong)
diff --git a/src/main/kotlin/support/domain/StringToLongListConverter.kt b/src/main/kotlin/support/domain/StringToLongListConverter.kt
deleted file mode 100644
index 944c76366..000000000
--- a/src/main/kotlin/support/domain/StringToLongListConverter.kt
+++ /dev/null
@@ -1,19 +0,0 @@
-package support.domain
-
-import javax.persistence.AttributeConverter
-import javax.persistence.Converter
-
-@Converter
-class StringToLongListConverter : AttributeConverter<List<Long>, String> {
-    override fun convertToDatabaseColumn(recipients: List<Long>): String {
-        return recipients.joinToString(COMMA)
-    }
-
-    override fun convertToEntityAttribute(dbData: String): List<Long> {
-        return dbData.split(COMMA).map { it.toLong() }
-    }
-
-    companion object {
-        private const val COMMA: String = ","
-    }
-}