Feat/#4 메일 기능 관련 api 구현

.gitignore

@@ -45,4 +45,4 @@ out/
 application-mail.properties
 
 ### AWS S3 관련 정보 ###
-application-S3.properties
+application-S3.properties

src/main/java/kwthon_1team/kwthon/config/SecurityConfig.java

@@ -15,7 +15,7 @@
 @EnableWebSecurity
 public class SecurityConfig {
     private final String[] possibleAccess = {"/api/auth/signUp", "/api/auth/emailVerification", "/api/auth/login",
-            "/api/error", "/api", "/error", "/auth/**"};
+            "/api/error", "/api", "/error", "/auth/**", "/friendMail/**"};
 
     @Bean
     public PasswordEncoder passwordEncoder() {

src/main/java/kwthon_1team/kwthon/controller/MailController.java

@@ -0,0 +1,31 @@
+package kwthon_1team.kwthon.controller;
+
+import kwthon_1team.kwthon.common.BaseResponse;
+import kwthon_1team.kwthon.domian.dto.response.MailDetailResponse;
+import kwthon_1team.kwthon.domian.dto.response.MailPagingResponse;
+import kwthon_1team.kwthon.domian.dto.response.MailSummaryResponse;
+import kwthon_1team.kwthon.service.MailService;
+import lombok.RequiredArgsConstructor;
+import org.springframework.http.HttpStatus;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+@RequiredArgsConstructor
+public class MailController {
+
+    private final MailService mailService;
+
+    @GetMapping("/friendMail/{memberId}")
+    public BaseResponse<MailPagingResponse<MailSummaryResponse>> inquiryMailByMemberId(
+            @PathVariable("memberId") Long memberId, int page, int size
+    ){
+        return new BaseResponse(HttpStatus.OK.value(), "친구 메일이 검색 되었습니다.",mailService.inquiryMailByFriendId(memberId, page, size));
+    }
+
+    @GetMapping("/friendMail/detail/{mailId}")
+    public BaseResponse<MailDetailResponse> inquiryMailByMailId(@PathVariable("mailId") Long mailId){
+        return new BaseResponse(HttpStatus.OK.value(), "메일 정보를 불러왔습니다.", mailService.inquiryMailDetailByMailId(mailId));
+    }
+}

src/main/java/kwthon_1team/kwthon/controller/MemberController.java

@@ -1,19 +1,27 @@
 package kwthon_1team.kwthon.controller;
 
 import kwthon_1team.kwthon.common.BaseResponse;
+import kwthon_1team.kwthon.domian.dto.response.SearchResponse;
 import kwthon_1team.kwthon.domian.dto.request.AuthRequestDto;
 import kwthon_1team.kwthon.service.MemberService;
 import lombok.RequiredArgsConstructor;
 import org.springframework.http.HttpStatus;
 import org.springframework.web.bind.annotation.PostMapping;
 import org.springframework.web.bind.annotation.RequestBody;
 import org.springframework.web.bind.annotation.RestController;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+import java.util.List;
+
 
 @RestController
 @RequiredArgsConstructor
 public class MemberController {
     private final MemberService memberService;
 
+    @GetMapping("/search")
+    public BaseResponse<List<SearchResponse>> search(@RequestParam String keyword) {
+        return new BaseResponse(HttpStatus.OK.value(), "검색 결과를 불러왔습니다.",memberService.search(keyword));
     @PostMapping("/auth/signUp")
     public BaseResponse signUp(@RequestBody AuthRequestDto authRequestDto) {
         memberService.join(authRequestDto);

src/main/java/kwthon_1team/kwthon/converter/MailConverter.java

@@ -0,0 +1,53 @@
+package kwthon_1team.kwthon.converter;
+
+import kwthon_1team.kwthon.domian.dto.response.MailDetailResponse;
+import kwthon_1team.kwthon.domian.dto.response.MailPagingResponse;
+import kwthon_1team.kwthon.domian.dto.response.MailSummaryResponse;
+import kwthon_1team.kwthon.domian.entity.Mail;
+import kwthon_1team.kwthon.domian.entity.Photo;
+import lombok.RequiredArgsConstructor;
+
+import org.springframework.stereotype.Component;
+import org.springframework.data.domain.Page;
+
+@Component
+@RequiredArgsConstructor
+public class MailConverter {
+
+
+    public MailSummaryResponse toMailSummaryResponse(Mail mail, Photo Photo){
+        return MailSummaryResponse.builder()
+                .mailId(mail.getMailId())
+                .mailDate(mail.getMailDate())
+                .mailTitle(mail.getMailTitle())
+                .senderId(mail.getSender().getStudentId())
+                .senderName(mail.getSender().getName())
+                .isPublic(mail.getIsPublic())
+                .photo(Photo)
+                .build();
+    }
+
+    public MailDetailResponse toMailDetailResponse(Mail mail){
+        return MailDetailResponse.builder()
+                .mailId(mail.getMailId())
+                .mailText(mail.getMailText())
+                .mainTitle(mail.getMailTitle())
+                .senderId(mail.getSender().getStudentId())
+                .senderName(mail.getSender().getName())
+                .isPublic(mail.getIsPublic())
+                .mailDate(mail.getMailDate())
+                .build();
+    }
+
+    public <T> MailPagingResponse<T> toMailPagingResponse(Page<T> mails){
+        return MailPagingResponse.<T>builder()
+                .emails(mails.getContent())
+                .page(mails.getNumber())
+                .totalPages(mails.getTotalPages())
+                .isFirst(mails.isFirst())
+                .isLast(mails.isLast())
+                .totalElements(mails.getNumberOfElements())
+                .build();
+    }
+
+}

src/main/java/kwthon_1team/kwthon/converter/MemberConverter.java

@@ -0,0 +1,20 @@
+package kwthon_1team.kwthon.converter;
+
+import kwthon_1team.kwthon.domian.dto.response.SearchResponse;
+import kwthon_1team.kwthon.domian.entity.Member;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Component;
+
+@Component
+@RequiredArgsConstructor
+public class MemberConverter {
+
+    public SearchResponse toSearchResponse(Member member){
+        return SearchResponse.builder()
+                .studentId(member.getStudentId())
+                .department(member.getDepartment())
+                .name(member.getName())
+                .build();
+    }
+
+}

src/main/java/kwthon_1team/kwthon/domian/dto/response/MailDetailResponse.java

@@ -0,0 +1,24 @@
+package kwthon_1team.kwthon.domian.dto.response;
+
+
+import kwthon_1team.kwthon.domian.entity.Photo;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Getter;
+
+import java.time.LocalDateTime;
+import java.util.List;
+
+@Getter
+@AllArgsConstructor
+@Builder
+public class MailDetailResponse {
+    private Long mailId;
+    private String mainTitle;
+    private String mailText;
+    private Boolean isPublic;
+    private Long senderId;
+    private String senderName;
+    private LocalDateTime mailDate;
+    private List<Photo> photos;
+}

src/main/java/kwthon_1team/kwthon/domian/dto/response/MailPagingResponse.java

@@ -0,0 +1,18 @@
+package kwthon_1team.kwthon.domian.dto.response;
+
+import lombok.*;
+
+import java.util.List;
+
+@Getter
+@Builder
+@AllArgsConstructor
+@NoArgsConstructor
+public class MailPagingResponse<T> {
+    private List<T> emails;
+    private int page;
+    private int totalPages;
+    private int totalElements;
+    private Boolean isFirst;
+    private Boolean isLast;
+}

src/main/java/kwthon_1team/kwthon/domian/dto/response/MailSummaryResponse.java

@@ -0,0 +1,21 @@
+package kwthon_1team.kwthon.domian.dto.response;
+
+import kwthon_1team.kwthon.domian.entity.Photo;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Getter;
+
+import java.time.LocalDateTime;
+
+@Getter
+@AllArgsConstructor
+@Builder
+public class MailSummaryResponse {
+    private Long mailId;
+    private LocalDateTime mailDate;
+    private String mailTitle;
+    private Long senderId;
+    private String senderName;
+    private Boolean isPublic;
+    private Photo photo;
+}

src/main/java/kwthon_1team/kwthon/domian/dto/response/SearchResponse.java

@@ -0,0 +1,14 @@
+package kwthon_1team.kwthon.domian.dto.response;
+
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Getter;
+
+@Getter
+@Builder
+@AllArgsConstructor
+public class SearchResponse {
+    private Long studentId;
+    private String name;
+    private String department;
+}

src/main/java/kwthon_1team/kwthon/domian/entity/Mail.java

@@ -1,8 +1,7 @@
 package kwthon_1team.kwthon.domian.entity;
 
 import jakarta.persistence.*;
-import lombok.Data;
-import lombok.NoArgsConstructor;
+import lombok.*;
 
 import java.time.LocalDateTime;
 import java.util.ArrayList;
@@ -11,6 +10,9 @@
 @Data
 @NoArgsConstructor
 @Entity
+@Getter
+@AllArgsConstructor
+@Builder
 public class Mail {
     @Id
     @GeneratedValue(strategy = GenerationType.IDENTITY)

src/main/java/kwthon_1team/kwthon/repository/MailRepository.java

@@ -0,0 +1,15 @@
+package kwthon_1team.kwthon.repository;
+
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.data.jpa.repository.Query;
+import org.springframework.data.repository.query.Param;
+import kwthon_1team.kwthon.domian.entity.Mail;
+import org.springframework.data.domain.Pageable;
+import org.springframework.data.domain.Page;
+
+
+public interface MailRepository extends JpaRepository<Mail,Long> {
+
+    @Query("SELECT m FROM Mail m JOIN m.sender s WHERE  m.isPublic = true AND s.studentId = :memberId")
+    Page<Mail> findAllByFriendId(@Param("memberId") Long memberId, Pageable pageable);
+}

src/main/java/kwthon_1team/kwthon/repository/MemberRepository.java

@@ -2,8 +2,16 @@
 
 import kwthon_1team.kwthon.domian.entity.Member;
 import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.data.jpa.repository.Query;
+import org.springframework.data.repository.query.Param;
 import org.springframework.stereotype.Repository;
 
+import java.util.List;
+
 @Repository
 public interface MemberRepository extends JpaRepository<Member, Long> {
+
+    @Query("SELECT m FROM Member m WHERE " +
+            "(m.name LIKE%:keyword% OR m.department LIKE%:keyword% OR CAST(m.studentId AS String) LIKE %:keyword%)")
+    List<Member> findAllByKeyword(@Param("keyword") String keyword);
 }

src/main/java/kwthon_1team/kwthon/service/MailService.java

@@ -0,0 +1,11 @@
+package kwthon_1team.kwthon.service;
+
+import kwthon_1team.kwthon.domian.dto.response.MailDetailResponse;
+import kwthon_1team.kwthon.domian.dto.response.MailPagingResponse;
+import kwthon_1team.kwthon.domian.dto.response.MailSummaryResponse;
+
+public interface MailService {
+
+    MailPagingResponse<MailSummaryResponse> inquiryMailByFriendId(Long memberId, int page, int size);
+    MailDetailResponse inquiryMailDetailByMailId(Long mailId);
+}

src/main/java/kwthon_1team/kwthon/service/MailServiceImpl.java

@@ -0,0 +1,51 @@
+package kwthon_1team.kwthon.service;
+
+
+import kwthon_1team.kwthon.converter.MailConverter;
+import kwthon_1team.kwthon.domian.dto.response.MailDetailResponse;
+import kwthon_1team.kwthon.domian.dto.response.MailPagingResponse;
+import kwthon_1team.kwthon.domian.dto.response.MailSummaryResponse;
+import kwthon_1team.kwthon.domian.entity.Mail;
+import kwthon_1team.kwthon.domian.entity.Photo;
+import kwthon_1team.kwthon.exception.BadRequestException;
+import kwthon_1team.kwthon.repository.MailRepository;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+
+import org.springframework.data.domain.Pageable;
+import org.springframework.data.domain.PageRequest;
+import org.springframework.data.domain.Page;
+
+
+@Service
+@RequiredArgsConstructor
+public class MailServiceImpl implements MailService {
+
+    private final MailRepository mailRepository;
+    private final MailConverter mailConverter;
+
+    /*
+     * 메일 검색
+     */
+    @Override
+    public MailPagingResponse<MailSummaryResponse> inquiryMailByFriendId(Long memberId, int page, int size){
+        Pageable pageable = PageRequest.of(page, size);
+        Page<Mail> mailPage = mailRepository.findAllByFriendId(memberId, pageable);
+
+        Page<MailSummaryResponse> mailSummaryResponses = mailPage.map(mail->{
+            Photo firstPhoto = mail.getPhotos() != null && !mail.getPhotos().isEmpty()
+                ? mail.getPhotos().get(0)
+                : null;
+            return mailConverter.toMailSummaryResponse(mail,firstPhoto);
+        });
+
+        return mailConverter.toMailPagingResponse(mailSummaryResponses);
+    }
+
+    @Override
+    public MailDetailResponse inquiryMailDetailByMailId(Long mailId){
+        Mail mail = mailRepository.findById(mailId)
+                .orElseThrow(()-> new BadRequestException("존재하지 않는 메일입니다."));
+        return mailConverter.toMailDetailResponse(mail);
+    }
+}

src/main/java/kwthon_1team/kwthon/service/MemberService.java

@@ -1,18 +1,22 @@
 package kwthon_1team.kwthon.service;
 
+
 import kwthon_1team.kwthon.domian.dto.request.AuthRequestDto;
 import kwthon_1team.kwthon.domian.entity.Member;
 import kwthon_1team.kwthon.exception.BadRequestException;
 import kwthon_1team.kwthon.repository.MemberRepository;
 import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
+  import kwthon_1team.kwthon.converter.MemberConverter;
+
 
 @Service
 @Transactional
 @RequiredArgsConstructor
 public class MemberService {
     private final MemberRepository memberRepository;
+    private final MemberConverter memberConverter;
 
     private String emailCode;
 
@@ -44,5 +48,9 @@ private void validateDuplicateEmail(String email) {
 
     private Member converToMember(AuthRequestDto authRequestDto) {
         return new Member(authRequestDto);
+
+    public List<SearchResponse> search(String keyword) {
+        List<Member> memberList = memberRepository.findAllByKeyword(keyword);
+        return memberList.stream().map(memberConverter::toSearchResponse).toList();
     }
 }