feat: 관리자 비밀번호 수정 api 구현

Author: tnals0924

src/main/kotlin/site/billilge/api/backend/domain/configvalue/controller/AdminConfigValueApi.kt

@@ -7,6 +7,7 @@ import io.swagger.v3.oas.annotations.tags.Tag
 import org.springframework.http.ResponseEntity
 import org.springframework.web.bind.annotation.RequestBody
 import org.springframework.web.bind.annotation.RequestParam
+import site.billilge.api.backend.domain.configvalue.dto.request.ChangeAdminPasswordRequest
 import site.billilge.api.backend.domain.configvalue.dto.request.ConfigValueBulkUpdateRequest
 import site.billilge.api.backend.domain.configvalue.dto.request.ConfigValueUpdateRequest
 import site.billilge.api.backend.domain.configvalue.dto.response.ConfigValueDetail
@@ -58,4 +59,16 @@ interface AdminConfigValueApi {
         ]
     )
     fun updateAll(@RequestBody request: ConfigValueBulkUpdateRequest): ResponseEntity<Void>
+
+    @Operation(
+        summary = "관리자 비밀번호 변경",
+        description = "현재 비밀번호를 검증 후 새 비밀번호로 변경하는 API"
+    )
+    @ApiResponses(
+        value = [
+            ApiResponse(responseCode = "200", description = "비밀번호 변경 성공"),
+            ApiResponse(responseCode = "400", description = "현재 비밀번호가 일치하지 않습니다.")
+        ]
+    )
+    fun changeAdminPassword(@RequestBody request: ChangeAdminPasswordRequest): ResponseEntity<Void>
 }

src/main/kotlin/site/billilge/api/backend/domain/configvalue/controller/AdminConfigValueController.kt

@@ -2,6 +2,7 @@ package site.billilge.api.backend.domain.configvalue.controller
 
 import org.springframework.http.ResponseEntity
 import org.springframework.web.bind.annotation.*
+import site.billilge.api.backend.domain.configvalue.dto.request.ChangeAdminPasswordRequest
 import site.billilge.api.backend.domain.configvalue.dto.request.ConfigValueBulkUpdateRequest
 import site.billilge.api.backend.domain.configvalue.dto.request.ConfigValueUpdateRequest
 import site.billilge.api.backend.domain.configvalue.dto.response.ConfigValueDetail
@@ -38,4 +39,10 @@ class AdminConfigValueController(
         configValueFacade.updateAll(request)
         return ResponseEntity.ok().build()
     }
+
+    @PatchMapping("/password")
+    override fun changeAdminPassword(@RequestBody request: ChangeAdminPasswordRequest): ResponseEntity<Void> {
+        configValueFacade.changeAdminPassword(request)
+        return ResponseEntity.ok().build()
+    }
 }

src/main/kotlin/site/billilge/api/backend/domain/configvalue/dto/request/ChangeAdminPasswordRequest.kt

@@ -0,0 +1,11 @@
+package site.billilge.api.backend.domain.configvalue.dto.request
+
+import io.swagger.v3.oas.annotations.media.Schema
+
+@Schema
+data class ChangeAdminPasswordRequest(
+    @field:Schema(description = "현재 비밀번호", example = "0412")
+    val currentPassword: String,
+    @field:Schema(description = "새 비밀번호", example = "1234")
+    val newPassword: String,
+)

src/main/kotlin/site/billilge/api/backend/domain/configvalue/exception/ConfigValueErrorCode.kt

@@ -8,4 +8,5 @@ enum class ConfigValueErrorCode(
     override val httpStatus: HttpStatus
 ) : ErrorCode {
     CONFIG_VALUE_NOT_FOUND("설정값을 찾을 수 없습니다.", HttpStatus.NOT_FOUND),
+    ADMIN_PASSWORD_MISMATCH("현재 비밀번호가 일치하지 않습니다.", HttpStatus.BAD_REQUEST),
 }

src/main/kotlin/site/billilge/api/backend/domain/configvalue/facade/ConfigValueFacade.kt

@@ -1,6 +1,7 @@
 package site.billilge.api.backend.domain.configvalue.facade
 
 import org.springframework.stereotype.Component
+import site.billilge.api.backend.domain.configvalue.dto.request.ChangeAdminPasswordRequest
 import site.billilge.api.backend.domain.configvalue.dto.request.ConfigValueBulkUpdateRequest
 import site.billilge.api.backend.domain.configvalue.dto.request.ConfigValueUpdateRequest
 import site.billilge.api.backend.domain.configvalue.dto.response.ConfigValueDetail
@@ -27,4 +28,8 @@ class ConfigValueFacade(
     fun updateAll(request: ConfigValueBulkUpdateRequest) {
         request.configValues.forEach { configValueService.upsert(it.key, it.value) }
     }
+
+    fun changeAdminPassword(request: ChangeAdminPasswordRequest) {
+        configValueService.changeAdminPassword(request.currentPassword, request.newPassword)
+    }
 }

src/main/kotlin/site/billilge/api/backend/domain/configvalue/service/ConfigValueService.kt

@@ -3,6 +3,7 @@ package site.billilge.api.backend.domain.configvalue.service
 import org.springframework.stereotype.Service
 import org.springframework.transaction.annotation.Transactional
 import site.billilge.api.backend.domain.configvalue.entity.ConfigValue
+import site.billilge.api.backend.domain.configvalue.enums.ConfigValueKeys
 import site.billilge.api.backend.domain.configvalue.exception.ConfigValueErrorCode
 import site.billilge.api.backend.domain.configvalue.repository.ConfigValueRepository
 import site.billilge.api.backend.global.exception.ApiException
@@ -39,4 +40,13 @@ class ConfigValueService(
             configValueRepository.save(ConfigValue(key = key, value = value))
         }
     }
+
+    @Transactional
+    fun changeAdminPassword(currentPassword: String, newPassword: String) {
+        val configValue = getByKey(ConfigValueKeys.ADMIN_PASSWORD.key)
+        if (configValue.value != currentPassword) {
+            throw ApiException(ConfigValueErrorCode.ADMIN_PASSWORD_MISMATCH)
+        }
+        configValue.updateValue(newPassword)
+    }
 }