🔀 :: (PiCK-335) refactor application dto

src/main/kotlin/dsm/pick2024/domain/application/presentation/ApplicationController.kt

@@ -23,6 +23,7 @@ import org.springframework.web.bind.annotation.RequestParam
 import org.springframework.web.bind.annotation.ResponseStatus
 import org.springframework.web.bind.annotation.RestController
 import java.util.UUID
+import javax.validation.Valid
 
 @Tag(name = "application API")
 @RestController
@@ -41,7 +42,8 @@ class ApplicationController(
     @ResponseStatus(value = HttpStatus.CREATED)
     @PostMapping
     fun application(
-        @RequestBody applicationRequest: ApplicationRequest
+        @Valid @RequestBody
+        applicationRequest: ApplicationRequest
     ) = applicationUseCase.application(applicationRequest)
 
     @Operation(summary = "외출신청 수락또는 거절 API")

src/main/kotlin/dsm/pick2024/domain/application/presentation/dto/request/ApplicationRequest.kt

@@ -1,7 +1,9 @@
 package dsm.pick2024.domain.application.presentation.dto.request
 
 import dsm.pick2024.domain.application.enums.ApplicationType
+import dsm.pick2024.global.annotation.ValidFormat
 
+@ValidFormat
 data class ApplicationRequest(
     val reason: String,
     val start: String,

src/main/kotlin/dsm/pick2024/domain/earlyreturn/presentation/EarlyReturnController.kt

@@ -20,6 +20,7 @@ import org.springframework.web.bind.annotation.RequestMapping
 import org.springframework.web.bind.annotation.RequestParam
 import org.springframework.web.bind.annotation.ResponseStatus
 import org.springframework.web.bind.annotation.RestController
+import javax.validation.Valid
 
 @Tag(name = "early API")
 @RestController
@@ -37,7 +38,8 @@ class EarlyReturnController(
     @ResponseStatus(value = HttpStatus.CREATED)
     @PostMapping("/create")
     fun createEarlyReturn(
-        @RequestBody createEarlyReturnRequest: CreateEarlyReturnRequest
+        @Valid @RequestBody
+        createEarlyReturnRequest: CreateEarlyReturnRequest
     ) = createEarlyReturnUseCase.createEarlyReturn(createEarlyReturnRequest)
 
     @Operation(summary = "조기귀가 신청 수락또는 거절 API")

src/main/kotlin/dsm/pick2024/domain/earlyreturn/presentation/dto/request/CreateEarlyReturnRequest.kt

@@ -1,5 +1,8 @@
 package dsm.pick2024.domain.earlyreturn.presentation.dto.request
 
+import dsm.pick2024.global.annotation.ValidFormat
+
+@ValidFormat
 data class CreateEarlyReturnRequest(
     val reason: String,
     val start: String

src/main/kotlin/dsm/pick2024/global/annotation/ValidFormat.kt

@@ -0,0 +1,15 @@
+package dsm.pick2024.global.annotation
+
+import dsm.pick2024.global.annotation.common.FormatValidator
+import javax.validation.Constraint
+import javax.validation.Payload
+import kotlin.reflect.KClass
+
+@Constraint(validatedBy = [FormatValidator::class])
+@Target(AnnotationTarget.CLASS)
+@Retention(AnnotationRetention.RUNTIME)
+annotation class ValidFormat(
+    val message: String = "형식이 올바르지 않습니다.",
+    val groups: Array<KClass<*>> = [], // 어떤 타입의 데이터든 포함할 수 있다
+    val payload: Array<KClass<out Payload>> = [] //Payload 타입을 상속받는 어떤 클래스든 수용할 수 있음을 의미
+)

src/main/kotlin/dsm/pick2024/global/annotation/common/FormatValidator.kt

@@ -0,0 +1,46 @@
+package dsm.pick2024.global.annotation.common
+
+import dsm.pick2024.domain.application.enums.ApplicationType
+import dsm.pick2024.domain.application.presentation.dto.request.ApplicationRequest
+import dsm.pick2024.domain.earlyreturn.presentation.dto.request.CreateEarlyReturnRequest
+import dsm.pick2024.global.annotation.ValidFormat
+import javax.validation.ConstraintValidator
+import javax.validation.ConstraintValidatorContext
+import java.time.LocalTime
+import java.time.format.DateTimeParseException
+
+class FormatValidator : ConstraintValidator<ValidFormat, Any> {
+
+    override fun isValid(request: Any, context: ConstraintValidatorContext): Boolean {
+        return when (request) {
+            is ApplicationRequest -> validateApplicationRequest(request)
+            is CreateEarlyReturnRequest -> validateCreateEarlyReturnRequest(request)
+            else -> false
+        }
+    }
+
+    private fun validateApplicationRequest(request: ApplicationRequest): Boolean {
+        return if (request.applicationType == ApplicationType.PERIOD) {
+            isValidPeriodFormat(request.start) && isValidPeriodFormat(request.end)
+        } else {
+            isValidTimeFormat(request.start) && isValidTimeFormat(request.end)
+        }
+    }
+
+    private fun validateCreateEarlyReturnRequest(request: CreateEarlyReturnRequest): Boolean {
+        return isValidTimeFormat(request.start)
+    }
+
+    private fun isValidPeriodFormat(period: String): Boolean {
+        return Regex("""\d+교시""").matches(period)
+    }
+
+    private fun isValidTimeFormat(time: String): Boolean {
+        return try {
+            LocalTime.parse(time)
+            true
+        } catch (e: DateTimeParseException) {
+            false
+        }
+    }
+}