feat: 유저가 한달 동안 받은 알람을 조회하는 기능 개발

src/main/java/net/teumteum/alert/controller/AlertController.java

@@ -3,13 +3,16 @@
 import io.sentry.Sentry;
 import jakarta.validation.Valid;
 import lombok.RequiredArgsConstructor;
+import net.teumteum.alert.domain.AlertService;
 import net.teumteum.alert.domain.UserAlertService;
 import net.teumteum.alert.domain.request.RegisterAlertRequest;
 import net.teumteum.alert.domain.request.UpdateAlertTokenRequest;
+import net.teumteum.alert.domain.response.AlertsResponse;
 import net.teumteum.core.error.ErrorResponse;
 import net.teumteum.core.security.service.SecurityService;
 import org.springframework.http.HttpStatus;
 import org.springframework.web.bind.annotation.ExceptionHandler;
+import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.PatchMapping;
 import org.springframework.web.bind.annotation.PostMapping;
 import org.springframework.web.bind.annotation.RequestBody;
@@ -20,21 +23,29 @@
 @RequiredArgsConstructor
 public class AlertController {
 
-    private final UserAlertService alertService;
+    private final AlertService alertService;
+    private final UserAlertService userAlertService;
     private final SecurityService securityService;
 
     @PostMapping("/alerts")
     @ResponseStatus(HttpStatus.OK)
     public void registerAlert(@Valid @RequestBody RegisterAlertRequest registerAlertRequest) {
         var loginUserId = securityService.getCurrentUserId();
-        alertService.registerAlert(loginUserId, registerAlertRequest);
+        userAlertService.registerAlert(loginUserId, registerAlertRequest);
     }
 
     @PatchMapping("/alerts")
     @ResponseStatus(HttpStatus.OK)
     public void updateAlert(@Valid @RequestBody UpdateAlertTokenRequest updateAlertTokenRequest) {
         var loginUserId = securityService.getCurrentUserId();
-        alertService.updateAlertToken(loginUserId, updateAlertTokenRequest);
+        userAlertService.updateAlertToken(loginUserId, updateAlertTokenRequest);
+    }
+
+    @GetMapping("/alerts")
+    @ResponseStatus(HttpStatus.OK)
+    public AlertsResponse getAlerts() {
+        var loginUserId = securityService.getCurrentUserId();
+        return alertService.findAllByUserId(loginUserId);
     }
 
     @ExceptionHandler(IllegalArgumentException.class)

src/main/java/net/teumteum/alert/domain/AlertRepository.java

@@ -1,7 +1,15 @@
 package net.teumteum.alert.domain;
 
+import java.time.Instant;
+import java.util.List;
 import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.data.jpa.repository.Query;
+import org.springframework.data.repository.query.Param;
 
 public interface AlertRepository extends JpaRepository<Alert, Long> {
 
+    List<Alert> findAllByUserId(Long userId);
+
+    @Query("select a from alert as a where a.createdAt <= :createdAt")
+    List<Alert> findAllByCreatedAt(@Param("createdAt") Instant createdAt);
 }

src/main/java/net/teumteum/alert/domain/AlertService.java

@@ -1,6 +1,10 @@
 package net.teumteum.alert.domain;
 
+import java.time.Instant;
+import java.time.temporal.ChronoUnit;
 import lombok.RequiredArgsConstructor;
+import net.teumteum.alert.domain.response.AlertsResponse;
+import org.springframework.scheduling.annotation.Scheduled;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 
@@ -9,10 +13,23 @@
 @Transactional(readOnly = true)
 public class AlertService {
 
+    private static final String EVERY_12AM = "0 0 0 * * *";
+
     private final AlertRepository alertRepository;
 
+    @Transactional
     public Alert save(Alert alert) {
         return alertRepository.save(alert);
     }
 
+    public AlertsResponse findAllByUserId(Long userId) {
+        return AlertsResponse.of(alertRepository.findAllByUserId(userId));
+    }
+
+    @Transactional
+    @Scheduled(cron = EVERY_12AM)
+    public void deleteOneMonthBeforeAlert() {
+        var deleteTargets = alertRepository.findAllByCreatedAt(Instant.now().minus(1, ChronoUnit.MONTHS));
+        alertRepository.deleteAllInBatch(deleteTargets);
+    }
 }

src/main/java/net/teumteum/alert/domain/response/AlertsResponse.java

@@ -0,0 +1,25 @@
+package net.teumteum.alert.domain.response;
+
+import java.util.List;
+import net.teumteum.alert.domain.Alert;
+
+public record AlertsResponse(
+    List<AlertResponse> alerts
+) {
+
+    public static AlertsResponse of(List<Alert> alerts) {
+        return new AlertsResponse(
+            alerts.stream()
+                .map(alert -> new AlertResponse(alert.getTitle(), alert.getBody(), alert.getType().name()))
+                .toList()
+        );
+    }
+
+    public record AlertResponse(
+        String title,
+        String body,
+        String type
+    ) {
+
+    }
+}

src/test/java/net/teumteum/meeting/domain/MeetingRepositoryTest.java

@@ -97,7 +97,7 @@ void Delete_success_if_exists_meeting_input() {
     }
 
     @Nested
-    @DisplayName("JPA Specification을 이용한 findAll 메소드 중")
+    @DisplayName("JPA Specification을 이용한 findAllByCreatedAt 메소드 중")
     class FindAllWithSpecificationAndPageNation_method {
 
         @Test