[feat] : 조회 필터링의 변수들을 역정규화 한다

api/src/main/resources/db/migration/V7__add_gallery.sql

@@ -1,7 +1,9 @@
 create table if not exists gallery (
-    gallery_id bigint primary key,
+    gallery_id BIGINT primary key,
     target_id BIGINT unique not null,
     survey_id BIGINT unique not null,
+    bookmarked_count INT not null,
+    position TEXT not null,
     created_at TIMESTAMP(6) not null,
     updated_at TIMESTAMP(6) not null
 );

gallery/src/main/kotlin/me/nalab/gallery/domain/Gallery.kt

@@ -2,6 +2,7 @@ package me.nalab.gallery.domain
 
 import me.nalab.core.data.common.TimeBaseEntity
 import javax.persistence.Column
+import javax.persistence.Embedded
 import javax.persistence.Entity
 import javax.persistence.Id
 import javax.persistence.Table
@@ -13,9 +14,9 @@ class Gallery(
     @Column(name = "gallery_id")
     val id: Long,
 
-    @Column(name = "target_id", unique = true, nullable = false, updatable = false)
-    val targetId: Long,
+    @Embedded
+    val target: Target,
 
-    @Column(name = "survey_id", unique = true, nullable = false)
-    val surveyId: Long,
+    @Embedded
+    val survey: Survey,
 ) : TimeBaseEntity()

gallery/src/main/kotlin/me/nalab/gallery/domain/Survey.kt

@@ -0,0 +1,13 @@
+package me.nalab.gallery.domain
+
+import javax.persistence.Column
+import javax.persistence.Embeddable
+
+@Embeddable
+class Survey(
+    @Column(name = "survey_id", nullable = false, unique = true, updatable = false)
+    val id: Long,
+
+    @Column(name = "bookmarked_count", nullable = false)
+    var bookmarkedCount: Int = 0,
+)

gallery/src/main/kotlin/me/nalab/gallery/domain/Target.kt

@@ -0,0 +1,14 @@
+package me.nalab.gallery.domain
+
+import javax.persistence.Column
+import javax.persistence.Embeddable
+
+@Embeddable
+class Target(
+    @Column(name = "target_id", unique = true, nullable = false, updatable = false)
+    val targetId: Long,
+
+    @Column(name = "position", nullable = false)
+    val position: String,
+) {
+}