refact: update domain structures for refactoring

- `AuditingEntityListener` 추가
- 기존: 리스트 순차 탐색 ➡️  Map의 key값으로 탐색 개선
- 패키지명 `enums` ➡️  `enum` 으로 변경

src/main/kotlin/com/dobby/backend/infrastructure/database/entity/MemberEntity.kt → src/main/kotlin/com/dobby/backend/infrastructure/database/entity/Member.kt

@@ -1,14 +1,16 @@
 package com.dobby.backend.infrastructure.database.entity
 
 import com.dobby.backend.infrastructure.database.entity.common.AuditingEntity
-import com.dobby.backend.infrastructure.database.entity.enums.RoleType
-import com.dobby.backend.infrastructure.database.entity.enums.ProviderType
+import com.dobby.backend.infrastructure.database.entity.enum.MemberStatus
+import com.dobby.backend.infrastructure.database.entity.enum.RoleType
+import com.dobby.backend.infrastructure.database.entity.enum.ProviderType
 import jakarta.persistence.*
 import java.time.LocalDate
 
-@Entity(name = "members")
+@Entity(name = "member")
 @Inheritance(strategy = InheritanceType.JOINED)
-abstract class MemberEntity (
+@DiscriminatorColumn(name = "role_type")
+open class Member (
     @Id
     @GeneratedValue(strategy = GenerationType.IDENTITY)
     @Column(name = "id")
@@ -21,6 +23,10 @@ abstract class MemberEntity (
     @Enumerated(EnumType.STRING)
     val provider : ProviderType,
 
+    @Column(nullable = false)
+    @Enumerated(EnumType.STRING)
+    var status: MemberStatus = MemberStatus.HOLD,
+
     @Column(name = "role", nullable = false)
     @Enumerated(EnumType.STRING)
     val role: RoleType,
@@ -32,5 +38,5 @@ abstract class MemberEntity (
     val name : String,
 
     @Column(name = "birth_date", nullable = false)
-    val birthDate : LocalDate
+    val birthDate : LocalDate,
 ) : AuditingEntity()

src/main/kotlin/com/dobby/backend/infrastructure/database/entity/Participant.kt

@@ -0,0 +1,58 @@
+package com.dobby.backend.infrastructure.database.entity
+
+import com.dobby.backend.infrastructure.database.entity.enum.GenderType
+import com.dobby.backend.infrastructure.database.entity.enum.MatchType
+import com.dobby.backend.infrastructure.database.entity.enum.ProviderType
+import com.dobby.backend.infrastructure.database.entity.enum.RoleType
+import com.dobby.backend.infrastructure.database.entity.enum.areaInfo.Area
+import com.dobby.backend.infrastructure.database.entity.enum.areaInfo.Region
+import jakarta.persistence.Column
+import jakarta.persistence.DiscriminatorValue
+import jakarta.persistence.Entity
+import jakarta.persistence.EnumType
+import jakarta.persistence.Enumerated
+import java.time.LocalDate
+
+@Entity(name = "participant")
+@DiscriminatorValue("PARTICIPANT")
+class Participant (
+    @Column(name = "gender", nullable = false)
+    @Enumerated(EnumType.STRING)
+    val gender: GenderType,
+
+    @Column(name = "basic_region", nullable = false)
+    @Enumerated(EnumType.STRING)
+    var basicRegion: Region,
+
+    @Column(name = "basic_area", nullable = false)
+    @Enumerated(EnumType.STRING)
+    var basicArea : Area,
+
+    @Column(name = "optional_region", nullable = true)
+    @Enumerated(EnumType.STRING)
+    var optionalRegion: Region,
+
+    @Column(name = "optional_area", nullable = true)
+    @Enumerated(EnumType.STRING)
+    var optionalArea: Area,
+
+    @Column(name = "prefer_type", nullable = true)
+    @Enumerated(EnumType.STRING)
+    var preferType: MatchType,
+
+    id: Long,
+    oauthEmail: String,
+    provider: ProviderType,
+    contactEmail: String,
+    name: String,
+    birthDate: LocalDate
+) : Member(
+    id= id,
+    oauthEmail = oauthEmail,
+    provider = provider,
+    contactEmail= contactEmail,
+    role = RoleType.PARTICIPANT,
+    name = name,
+    birthDate = birthDate
+)
+

src/main/kotlin/com/dobby/backend/infrastructure/database/entity/ResearcherEntity.kt → src/main/kotlin/com/dobby/backend/infrastructure/database/entity/Researcher.kt

@@ -1,13 +1,15 @@
 package com.dobby.backend.infrastructure.database.entity
 
-import com.dobby.backend.infrastructure.database.entity.enums.ProviderType
-import com.dobby.backend.infrastructure.database.entity.enums.RoleType
+import com.dobby.backend.infrastructure.database.entity.enum.ProviderType
+import com.dobby.backend.infrastructure.database.entity.enum.RoleType
 import jakarta.persistence.Column
+import jakarta.persistence.DiscriminatorValue
 import jakarta.persistence.Entity
 import java.time.LocalDate
 
-@Entity(name = "researchers")
-class ResearcherEntity (
+@Entity(name = "researcher")
+@DiscriminatorValue("RESEARCHER")
+class Researcher (
     @Column(name = "univ_email", length = 100, nullable = false)
     val univEmail : String,
 
@@ -20,15 +22,21 @@ class ResearcherEntity (
     @Column(name = "major", length = 10, nullable = false)
     val major : String,
 
-    @Column(name = "lab_info", length = 100)
-    val labInfo : String?,
+    @Column(name = "lab_info", length = 100, nullable = true)
+    val labInfo : String,
 
     id: Long,
     oauthEmail: String,
-    contactEmail : String,
     provider: ProviderType,
-    role: RoleType,
+    contactEmail: String,
     name: String,
     birthDate: LocalDate
-) : MemberEntity(id, oauthEmail, provider, role, contactEmail, name, birthDate)
-
+) : Member(
+    id= id,
+    oauthEmail = oauthEmail,
+    provider = provider,
+    contactEmail= contactEmail,
+    role = RoleType.RESEARCHER,
+    name = name,
+    birthDate = birthDate
+)

src/main/kotlin/com/dobby/backend/infrastructure/database/entity/common/AuditingEntity.kt

@@ -1,15 +1,21 @@
 package com.dobby.backend.infrastructure.database.entity.common
 
+import jakarta.persistence.Column
+import jakarta.persistence.EntityListeners
 import jakarta.persistence.MappedSuperclass
 import org.springframework.data.annotation.CreatedDate
 import org.springframework.data.annotation.LastModifiedDate
+import org.springframework.data.jpa.domain.support.AuditingEntityListener
 import java.time.LocalDateTime
 
 @MappedSuperclass
+@EntityListeners(AuditingEntityListener::class)
 abstract class AuditingEntity {
     @CreatedDate
+    @Column(name = "created_at", nullable = false, updatable = false)
     var createdAt: LocalDateTime? = null
 
     @LastModifiedDate
+    @Column(name = "updated_at", nullable = false)
     var updatedAt: LocalDateTime? = null
 }

src/main/kotlin/com/dobby/backend/infrastructure/database/entity/enum/GenderType.kt

@@ -0,0 +1,5 @@
+package com.dobby.backend.infrastructure.database.entity.enum
+
+enum class GenderType {
+    MALE, FEMALE, SECRET
+}

src/main/kotlin/com/dobby/backend/infrastructure/database/entity/enum/MatchType.kt

@@ -0,0 +1,5 @@
+package com.dobby.backend.infrastructure.database.entity.enum
+
+enum class MatchType {
+    OFFLINE, ONLINE, HYBRID
+}

src/main/kotlin/com/dobby/backend/infrastructure/database/entity/enum/MemberStatus.kt

@@ -0,0 +1,6 @@
+package com.dobby.backend.infrastructure.database.entity.enum
+
+enum class MemberStatus {
+    HOLD,
+    ACTIVE
+}

src/main/kotlin/com/dobby/backend/infrastructure/database/entity/enum/ProviderType.kt

@@ -0,0 +1,5 @@
+package com.dobby.backend.infrastructure.database.entity.enum
+
+enum class ProviderType {
+    NAVER, GOOGLE
+}

src/main/kotlin/com/dobby/backend/infrastructure/database/entity/enum/RoleType.kt

@@ -0,0 +1,5 @@
+package com.dobby.backend.infrastructure.database.entity.enum
+
+enum class RoleType {
+    RESEARCHER, PARTICIPANT
+}

src/main/kotlin/com/dobby/backend/infrastructure/database/entity/enums/areaInfo/Area.kt → src/main/kotlin/com/dobby/backend/infrastructure/database/entity/enum/areaInfo/Area.kt

@@ -1,6 +1,4 @@
-package com.dobby.backend.infrastructure.database.entity.enums.areaInfo
-
-import com.dobby.backend.infrastructure.database.entity.enums.areaInfo.Region
+package com.dobby.backend.infrastructure.database.entity.enum.areaInfo
 
 enum class Area (val region: Region, val displayName: String){
     // 서울
@@ -264,4 +262,4 @@ enum class Area (val region: Region, val displayName: String){
     // 제주특별자치도
     JEJU_SEOGWIPOSI(Region.JEJU, "서귀포시"),
     JEJU_JEJUSI(Region.JEJU, "제주시");
-}
+}

src/main/kotlin/com/dobby/backend/infrastructure/database/entity/enums/areaInfo/Region.kt → src/main/kotlin/com/dobby/backend/infrastructure/database/entity/enum/areaInfo/Region.kt

@@ -1,4 +1,4 @@
-package com.dobby.backend.infrastructure.database.entity.enums.areaInfo
+package com.dobby.backend.infrastructure.database.entity.enum.areaInfo
 
 enum class Region(val displayName: String) {
     SEOUL("서울"),
@@ -20,8 +20,9 @@ enum class Region(val displayName: String) {
     JEJU("제주");
 
     companion object {
+        private val displayNameMap = values().associateBy(Region::displayName)
         fun fromDisplayName(name : String): Region? {
-            return entries.find { it.displayName == name }
+            return displayNameMap[name]
         }
     }
 }