feat-be: 지원서 수정 기능 구현

backend/src/main/java/com/cruru/applicant/controller/ApplicantController.java

@@ -3,6 +3,7 @@
 import com.cruru.applicant.controller.dto.ApplicantBasicResponse;
 import com.cruru.applicant.controller.dto.ApplicantDetailResponse;
 import com.cruru.applicant.controller.dto.ApplicantMoveRequest;
+import com.cruru.applicant.controller.dto.ApplicantUpdateRequest;
 import com.cruru.applicant.service.ApplicantService;
 import jakarta.validation.Valid;
 import lombok.RequiredArgsConstructor;
@@ -48,4 +49,12 @@ public ResponseEntity<ApplicantDetailResponse> reject(@PathVariable("applicant_i
         applicantService.reject(applicantId);
         return ResponseEntity.ok().build();
     }
+
+    @PatchMapping("/{applicantId}")
+    private ResponseEntity<Void> update(
+            @PathVariable("applicantId") Long applicantId,
+            @RequestBody @Valid ApplicantUpdateRequest request) {
+        applicantService.update(request, applicantId);
+        return ResponseEntity.ok().build();
+    }
 }

backend/src/main/java/com/cruru/applicant/controller/dto/ApplicantUpdateRequest.java

@@ -0,0 +1,16 @@
+package com.cruru.applicant.controller.dto;
+
+import jakarta.validation.constraints.NotBlank;
+
+public record ApplicantUpdateRequest(
+        @NotBlank(message = "이름은 필수 값입니다.")
+        String name,
+
+        @NotBlank(message = "이메일은 필수 값입니다.")
+        String email,
+
+        @NotBlank(message = "전화번호는 필수 값입니다.")
+        String phone
+) {
+
+}

backend/src/main/java/com/cruru/applicant/domain/Applicant.java

@@ -49,6 +49,12 @@ public Applicant(String name, String email, String phone, Process process, Boole
         this.isRejected = isRejected;
     }
 
+    public void updateInfo(String name, String email, String phone) {
+        this.name = name;
+        this.email = email;
+        this.phone = phone;
+    }
+
     public void updateProcess(Process process) {
         this.process = process;
     }

backend/src/main/java/com/cruru/applicant/service/ApplicantService.java

@@ -6,6 +6,7 @@
 import com.cruru.applicant.controller.dto.ApplicantDetailResponse;
 import com.cruru.applicant.controller.dto.ApplicantMoveRequest;
 import com.cruru.applicant.controller.dto.ApplicantResponse;
+import com.cruru.applicant.controller.dto.ApplicantUpdateRequest;
 import com.cruru.applicant.controller.dto.QnaResponse;
 import com.cruru.applicant.domain.Applicant;
 import com.cruru.applicant.domain.repository.ApplicantRepository;
@@ -93,4 +94,12 @@ private void validateRejectable(Applicant applicant) {
             throw new ApplicantRejectException();
         }
     }
+
+    @Transactional
+    public void update(ApplicantUpdateRequest request, long applicantId) {
+        Applicant applicant = applicantRepository.findById(applicantId)
+                .orElseThrow(ApplicantNotFoundException::new);
+
+        applicant.updateInfo(request.name(), request.email(), request.phone());
+    }
 }

backend/src/test/java/com/cruru/applicant/controller/ApplicantControllerTest.java

@@ -6,6 +6,7 @@
 import static com.cruru.util.fixture.ProcessFixture.createFirstProcess;
 
 import com.cruru.applicant.controller.dto.ApplicantMoveRequest;
+import com.cruru.applicant.controller.dto.ApplicantUpdateRequest;
 import com.cruru.applicant.domain.Applicant;
 import com.cruru.applicant.domain.repository.ApplicantRepository;
 import com.cruru.dashboard.domain.Dashboard;
@@ -87,4 +88,22 @@ void reject() {
                 .when().patch("/v1/applicants/" + applicant.getId() + "/reject")
                 .then().log().all().statusCode(200);
     }
+
+    @DisplayName("지원자 정보 변경에 성공하면 200을 응답한다.")
+    @Test
+    void update() {
+        // given
+        String toChangeName = "도비";
+        String toChangeEmail = "dev.dobby@gmail.com";
+        String toChangePhone = "010111111111";
+        Applicant applicant = applicantRepository.save(createApplicantDobby());
+        ApplicantUpdateRequest request = new ApplicantUpdateRequest(toChangeName, toChangeEmail, toChangePhone);
+
+        // when&then
+        RestAssured.given().log().all()
+                .contentType(ContentType.JSON)
+                .body(request)
+                .when().patch("/v1/applicants/" + applicant.getId())
+                .then().log().all().statusCode(200);
+    }
 }

backend/src/test/java/com/cruru/applicant/domain/ApplicantTest.java

@@ -0,0 +1,33 @@
+package com.cruru.applicant.domain;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.junit.jupiter.api.Assertions.assertAll;
+
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Test;
+
+@DisplayName("지원서 도메인 테스트")
+class ApplicantTest {
+
+    @DisplayName("지원자 이름, 이메일, 전화번호 변경에 성공한다.")
+    @Test
+    void updateInfo() {
+        // given
+        String toChangeName = "초코칩";
+        String toChangeEmail = "dev.chocochip@gmail.com";
+        String toChangePhone = "01000000000";
+
+        Applicant applicant = new Applicant(null, null, null, null, false);
+
+        // when
+        applicant.updateInfo(toChangeName, toChangeEmail, toChangePhone);
+
+        // then
+        assertAll(
+                () -> assertThat(applicant.getName()).isEqualTo(toChangeName),
+                () -> assertThat(applicant.getEmail()).isEqualTo(toChangeEmail),
+                () -> assertThat(applicant.getPhone()).isEqualTo(toChangePhone),
+                () -> assertThat(applicant.getProcess()).isNull()
+        );
+    }
+}

backend/src/test/java/com/cruru/applicant/service/ApplicantServiceTest.java

@@ -16,6 +16,7 @@
 import com.cruru.applicant.controller.dto.ApplicantDetailResponse;
 import com.cruru.applicant.controller.dto.ApplicantMoveRequest;
 import com.cruru.applicant.controller.dto.ApplicantResponse;
+import com.cruru.applicant.controller.dto.ApplicantUpdateRequest;
 import com.cruru.applicant.controller.dto.QnaResponse;
 import com.cruru.applicant.domain.Applicant;
 import com.cruru.applicant.domain.repository.ApplicantRepository;
@@ -31,6 +32,7 @@
 import com.cruru.util.ServiceTest;
 import jakarta.persistence.EntityManager;
 import java.util.List;
+import java.util.Optional;
 import org.junit.jupiter.api.DisplayName;
 import org.junit.jupiter.api.Test;
 import org.springframework.beans.factory.annotation.Autowired;
@@ -169,4 +171,43 @@ void reject_alreadyRejected() {
         assertThatThrownBy(() -> applicantService.reject(applicant.getId()))
                 .isInstanceOf(ApplicantRejectException.class);
     }
+
+    @DisplayName("지원자의 이름, 이메일, 전화번호 변경에 성공한다.")
+    @Test
+    void update() {
+        // given
+        String toChangeName = "도비";
+        String toChangeEmail = "dev.dobby@gmail.com";
+        String toChangePhone = "010111111111";
+        Applicant applicant = applicantRepository.save(createApplicantDobby());
+        ApplicantUpdateRequest request = new ApplicantUpdateRequest(toChangeName, toChangeEmail, toChangePhone);
+
+        // when
+        applicantService.update(request, applicant.getId());
+
+        // then
+        Optional<Applicant> changedApplicant = applicantRepository.findById(applicant.getId());
+        assertAll(
+                () -> assertThat(changedApplicant).isPresent(),
+                () -> assertThat(changedApplicant.get().getName()).isEqualTo(toChangeName),
+                () -> assertThat(changedApplicant.get().getEmail()).isEqualTo(toChangeEmail),
+                () -> assertThat(changedApplicant.get().getPhone()).isEqualTo(toChangePhone),
+                () -> assertThat(changedApplicant.get().getProcess()).isEqualTo(createApplicantDobby().getProcess())
+        );
+    }
+
+    @DisplayName("지원자가 존재하지 않으면 예외가 발생한다.")
+    @Test
+    void update_applicantNotFound() {
+        // given
+        String toChangeName = "도비";
+        String toChangeEmail = "dev.dobby@gmail.com";
+        String toChangePhone = "010111111111";
+        ApplicantUpdateRequest request = new ApplicantUpdateRequest(toChangeName, toChangeEmail, toChangePhone);
+        long invalidId = -1L;
+
+        // when&then
+        assertThatThrownBy(() -> applicantService.update(request, invalidId))
+                .isInstanceOf(ApplicantNotFoundException.class);
+    }
 }