✨ 느린 우편함 조회(달력 조회, 전제 리스트) 구현

src/main/java/aromanticcat/umcproject/entity/SlowLetter.java

@@ -1,5 +1,7 @@
 package aromanticcat.umcproject.entity;
 
+import aromanticcat.umcproject.web.dto.Letterbox.LetterResponse;
+import aromanticcat.umcproject.web.dto.slowLetter.SlowLetterGetResponse;
 import lombok.*;
 
 import javax.persistence.*;

src/main/java/aromanticcat/umcproject/repository/SlowLetterRepository.java

@@ -1,8 +1,17 @@
 package aromanticcat.umcproject.repository;
 
 import aromanticcat.umcproject.entity.Letter;
+import aromanticcat.umcproject.entity.Member;
 import aromanticcat.umcproject.entity.SlowLetter;
 import org.springframework.data.jpa.repository.JpaRepository;
 
+import java.time.LocalDate;
+import java.util.List;
+import java.util.Optional;
+
 public interface SlowLetterRepository extends JpaRepository<SlowLetter, Long> {
+    Optional<List<SlowLetter>> findSlowLettersByMember(Member member);
+    Optional<SlowLetter> findBySlowLetterId(Long slowLetterId);
+
+    Optional<List<SlowLetter>> findSlowLettersByDateBetweenAndMemberId(LocalDate startDate, LocalDate endDate, Long memberId);
 }

src/main/java/aromanticcat/umcproject/service/slowLetter/SlowLetterService.java

@@ -1,18 +1,20 @@
 package aromanticcat.umcproject.service.slowLetter;
 
-import aromanticcat.umcproject.entity.Letterbox;
 import aromanticcat.umcproject.entity.Member;
 import aromanticcat.umcproject.entity.SlowLetter;
-import aromanticcat.umcproject.repository.LetterBoxRepository;
-import aromanticcat.umcproject.repository.LetterRepository;
 import aromanticcat.umcproject.repository.MemberRepository;
 import aromanticcat.umcproject.repository.SlowLetterRepository;
-import aromanticcat.umcproject.web.dto.Letterbox.LetterboxRequest;
-import aromanticcat.umcproject.web.dto.SlowLetterRequest;
+import aromanticcat.umcproject.web.dto.slowLetter.SlowLetterCalResponse;
+import aromanticcat.umcproject.web.dto.slowLetter.SlowLetterGetResponse;
+import aromanticcat.umcproject.web.dto.slowLetter.SlowLetterRequest;
 import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 
+import java.time.LocalDate;
+import java.util.ArrayList;
+import java.util.List;
+
 @Transactional(readOnly = true)
 @RequiredArgsConstructor
 @Service
@@ -27,4 +29,35 @@ public SlowLetter save(Long memberId, SlowLetterRequest request) {
         slowLetter.updateMember(member);
         return slowLetterRepository.save(slowLetter);
     }
+
+    public List<SlowLetterGetResponse> getSlowLetters(Long memberId) {
+        Member findMember = memberRepository.findById(memberId).orElse(null);
+        List<SlowLetter> letters = slowLetterRepository.findSlowLettersByMember(findMember).orElse(null);
+        List<SlowLetterGetResponse> responses = new ArrayList<>();
+        for (SlowLetter slowLetter : letters) {
+            responses.add(SlowLetterGetResponse.from(slowLetter));
+        }
+        return responses;
+    }
+
+    public SlowLetter getSlowLetter(Long letterId) {
+        SlowLetter findLetter = slowLetterRepository.findBySlowLetterId(letterId).orElse(null);
+
+        return findLetter;
+    }
+
+    public List<SlowLetterCalResponse> getWriteSlowLetters(Long memberId, int month) {
+        int year = LocalDate.now().getYear();
+        int selectMonth = month;
+
+        LocalDate startOfMonth = LocalDate.of(year, month, 1);
+        LocalDate endOfMonth = startOfMonth.plusMonths(1).minusDays(1);
+
+        List<SlowLetter> letters = slowLetterRepository.findSlowLettersByDateBetweenAndMemberId(startOfMonth, endOfMonth, memberId).orElse(null);
+        List<SlowLetterCalResponse> responses = new ArrayList<>();
+        for (SlowLetter slowLetter : letters) {
+            responses.add(SlowLetterCalResponse.from(slowLetter));
+        }
+        return responses;
+    }
 }

src/main/java/aromanticcat/umcproject/web/controller/SlowLetterController.java

@@ -2,14 +2,20 @@
 
 import aromanticcat.umcproject.entity.SlowLetter;
 import aromanticcat.umcproject.service.slowLetter.SlowLetterService;
-import aromanticcat.umcproject.web.dto.SlowLetterRequest;
-import aromanticcat.umcproject.web.dto.SlowLetterResponse;
+import aromanticcat.umcproject.web.dto.Letterbox.LetterResponse;
+import aromanticcat.umcproject.web.dto.slowLetter.SlowLetterCalResponse;
+import aromanticcat.umcproject.web.dto.slowLetter.SlowLetterGetResponse;
+import aromanticcat.umcproject.web.dto.slowLetter.SlowLetterRequest;
+import aromanticcat.umcproject.web.dto.slowLetter.SlowLetterResponse;
 import io.swagger.annotations.ApiOperation;
 import aromanticcat.umcproject.apiPayload.ApiResponse;
 import lombok.RequiredArgsConstructor;
 import org.springframework.http.HttpStatus;
 import org.springframework.web.bind.annotation.*;
 
+import java.time.LocalDate;
+import java.util.List;
+
 @RestController
 @RequiredArgsConstructor
 @RequestMapping("/slow_letters")
@@ -26,4 +32,35 @@ public ApiResponse<SlowLetterResponse> createApplicant(@PathVariable Long member
             return ApiResponse.onFailure(HttpStatus.INTERNAL_SERVER_ERROR.toString(), e.getMessage(), null);
         }
     }
+
+    @GetMapping("/{memberId}/list")
+    @ApiOperation(value = "느린 우편함 리스트 조회 - 연말 확인 시")
+    public ApiResponse<List<SlowLetterGetResponse>> getSlowLetters(@PathVariable Long memberId) {
+        List<SlowLetterGetResponse> letters = slowLetterService.getSlowLetters(memberId);
+        try {
+            return ApiResponse.onSuccess(letters);
+        } catch (Exception e){
+            return ApiResponse.onFailure(HttpStatus.INTERNAL_SERVER_ERROR.toString(), e.getMessage(), null);
+        }
+    }
+
+    @GetMapping("/{letterId}")
+    @ApiOperation(value = "느린 우편함 조회")
+    public ApiResponse<SlowLetterGetResponse> getSlowLetter(@PathVariable Long letterId) {
+        try {
+            return ApiResponse.onSuccess(SlowLetterGetResponse.from(slowLetterService.getSlowLetter(letterId)));
+        } catch (Exception e){
+            return ApiResponse.onFailure(HttpStatus.INTERNAL_SERVER_ERROR.toString(), e.getMessage(), null);
+        }
+    }
+
+    @GetMapping("/{memberId}/{month}")
+    public ApiResponse<List<SlowLetterCalResponse>> findDataByMonthAndMemberId(@PathVariable Long memberId, @PathVariable int month) {
+        List<SlowLetterCalResponse> days = slowLetterService.getWriteSlowLetters(memberId, month);
+        try {
+            return ApiResponse.onSuccess(days);
+        } catch (Exception e){
+            return ApiResponse.onFailure(HttpStatus.INTERNAL_SERVER_ERROR.toString(), e.getMessage(), null);
+        }
+    }
 }

src/main/java/aromanticcat/umcproject/web/dto/slowLetter/SlowLetterCalResponse.java

@@ -0,0 +1,15 @@
+package aromanticcat.umcproject.web.dto.slowLetter;
+
+import aromanticcat.umcproject.entity.SlowLetter;
+import lombok.Builder;
+
+@Builder
+public record SlowLetterCalResponse(
+        String date
+) {
+    public static SlowLetterCalResponse from(SlowLetter slowLetter) {
+        return SlowLetterCalResponse.builder()
+                .date(slowLetter.getDate().toString())
+                .build();
+    }
+}

src/main/java/aromanticcat/umcproject/web/dto/slowLetter/SlowLetterGetResponse.java

@@ -0,0 +1,19 @@
+package aromanticcat.umcproject.web.dto.slowLetter;
+
+import aromanticcat.umcproject.entity.SlowLetter;
+import lombok.Builder;
+
+@Builder
+public record SlowLetterGetResponse(
+        Long slowLetterId,
+        String date,
+        String content
+) {
+    public static SlowLetterGetResponse from(SlowLetter slowLetter) {
+        return SlowLetterGetResponse.builder()
+                .slowLetterId(slowLetter.getSlowLetterId())
+                .date(slowLetter.getDate().toString())
+                .content(slowLetter.getContent())
+                .build();
+    }
+}

src/main/java/aromanticcat/umcproject/web/dto/SlowLetterRequest.java → src/main/java/aromanticcat/umcproject/web/dto/slowLetter/SlowLetterRequest.java

@@ -1,7 +1,6 @@
-package aromanticcat.umcproject.web.dto;
+package aromanticcat.umcproject.web.dto.slowLetter;
 
 import aromanticcat.umcproject.entity.SlowLetter;
-import lombok.Getter;
 import org.springframework.format.annotation.DateTimeFormat;
 
 import javax.validation.constraints.NotNull;

src/main/java/aromanticcat/umcproject/web/dto/SlowLetterResponse.java → src/main/java/aromanticcat/umcproject/web/dto/slowLetter/SlowLetterResponse.java

@@ -1,4 +1,4 @@
-package aromanticcat.umcproject.web.dto;
+package aromanticcat.umcproject.web.dto.slowLetter;
 
 import aromanticcat.umcproject.entity.SlowLetter;
 import lombok.Builder;