Merge pull request #77 from Louie-03/BE-feature-74

[BE] 마일스톤 기능 구현

BE/src/main/java/louie/hanse/issuetracker/domain/Issue.java

@@ -78,4 +78,11 @@ public boolean isClosed() {
         return status.isClosed();
     }
 
+    public boolean isOpened() {
+        return status.isOpened();
+    }
+
+    public void deleteMilestone() {
+        this.milestone = null;
+    }
 }

BE/src/main/java/louie/hanse/issuetracker/domain/Milestone.java

@@ -1,6 +1,8 @@
 package louie.hanse.issuetracker.domain;
 
+import lombok.AccessLevel;
 import lombok.Getter;
+import lombok.NoArgsConstructor;
 
 import javax.persistence.*;
 import java.time.LocalDate;
@@ -11,6 +13,7 @@
 
 @Getter
 @Entity
+@NoArgsConstructor(access = AccessLevel.PROTECTED)
 public class Milestone {
 
     @Id @GeneratedValue(strategy = IDENTITY)
@@ -28,4 +31,22 @@ public class Milestone {
     public void addIssue(Issue issue) {
         this.issues.add(issue);
     }
+
+    public Milestone(String title, String description, LocalDate completedDate) {
+        this.title = title;
+        this.description = description;
+        this.completedDate = completedDate;
+    }
+
+    public void updateTitle(String title) {
+        this.title = title;
+    }
+
+    public void updateDescription(String description) {
+        this.description = description;
+    }
+
+    public void updateCompletedDate(LocalDate completedDate) {
+        this.completedDate = completedDate;
+    }
 }

BE/src/main/java/louie/hanse/issuetracker/domain/Status.java

@@ -16,6 +16,10 @@ public Status reverse() {
     }
 
     public boolean isClosed() {
-        return this.equals(Status.CLOSE);
+        return this.equals(CLOSE);
+    }
+
+    public boolean isOpened() {
+        return this.equals(OPEN);
     }
 }

BE/src/main/java/louie/hanse/issuetracker/repository/MilestoneRepository.java

@@ -2,6 +2,17 @@
 
 import louie.hanse.issuetracker.domain.Milestone;
 import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.data.jpa.repository.Query;
+import org.springframework.data.repository.query.Param;
+
+import java.time.LocalDate;
+import java.util.List;
 
 public interface MilestoneRepository extends JpaRepository<Milestone, Long> {
+
+    @Query("select m from Milestone as m where m.completedDate < :currentDate")
+    List<Milestone> findClosedMilestone(@Param("currentDate") LocalDate currentDate);
+
+    @Query("select m from Milestone as m where m.completedDate > :currentDate")
+    List<Milestone> findOpenedMilestone(@Param("currentDate") LocalDate currentDate);
 }

BE/src/main/java/louie/hanse/issuetracker/service/MileStoneService.java

@@ -0,0 +1,56 @@
+package louie.hanse.issuetracker.service;
+
+import lombok.RequiredArgsConstructor;
+import louie.hanse.issuetracker.domain.Issue;
+import louie.hanse.issuetracker.domain.Milestone;
+import louie.hanse.issuetracker.domain.Status;
+import louie.hanse.issuetracker.repository.MilestoneRepository;
+import louie.hanse.issuetracker.web.dto.milestone.MilestoneListResponse;
+import louie.hanse.issuetracker.web.dto.milestone.MilestoneRequest;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+import java.time.LocalDate;
+import java.util.List;
+
+@Service
+@RequiredArgsConstructor
+@Transactional(readOnly = true)
+public class MileStoneService {
+
+    private final MilestoneRepository milestoneRepository;
+
+    @Transactional
+    public void register(MilestoneRequest request) {
+        Milestone milestone = request.toEntity();
+        milestoneRepository.save(milestone);
+    }
+
+    public MilestoneListResponse getMilestoneList(Status status) {
+        List<Milestone> closedMilestone = milestoneRepository.findClosedMilestone(LocalDate.now());
+        List<Milestone> openedMilestone = milestoneRepository.findOpenedMilestone(LocalDate.now());
+        if (status.isOpened()) {
+            return new MilestoneListResponse(openedMilestone.size(), closedMilestone.size(), openedMilestone);
+        }
+        return new MilestoneListResponse(openedMilestone.size(), closedMilestone.size(), closedMilestone);
+    }
+
+    @Transactional
+    public void edit(Long id, MilestoneRequest request) {
+        Milestone milestone = milestoneRepository.findById(id).orElseThrow(IllegalStateException::new);
+
+        milestone.updateTitle(request.getTitle());
+        milestone.updateDescription(request.getDescription());
+        milestone.updateCompletedDate(request.getCompletedDate());
+    }
+
+    @Transactional
+    public void delete(Long id) {
+        Milestone milestone = milestoneRepository.findById(id).orElseThrow(IllegalStateException::new);
+        List<Issue> issues = milestone.getIssues();
+        for (Issue issue : issues) {
+            issue.deleteMilestone();
+        }
+        milestoneRepository.delete(milestone);
+    }
+}

BE/src/main/java/louie/hanse/issuetracker/web/controller/MileStoneController.java

@@ -0,0 +1,36 @@
+package louie.hanse.issuetracker.web.controller;
+
+import lombok.RequiredArgsConstructor;
+import louie.hanse.issuetracker.domain.Status;
+import louie.hanse.issuetracker.service.MileStoneService;
+import louie.hanse.issuetracker.web.dto.milestone.MilestoneListResponse;
+import louie.hanse.issuetracker.web.dto.milestone.MilestoneRequest;
+import org.springframework.web.bind.annotation.*;
+
+@RestController
+@RequestMapping("/milestone")
+@RequiredArgsConstructor
+public class MileStoneController {
+
+    private final MileStoneService mileStoneService;
+
+    @PostMapping
+    public void registerMilestone(@RequestBody MilestoneRequest request) {
+        mileStoneService.register(request);
+    }
+
+    @GetMapping
+    public MilestoneListResponse getMilestoneList(@RequestParam("status") Status status) {
+        return mileStoneService.getMilestoneList(status);
+    }
+
+    @PutMapping("/{id}")
+    public void editMilestone(@PathVariable Long id, @RequestBody MilestoneRequest request) {
+        mileStoneService.edit(id, request);
+    }
+
+    @DeleteMapping("/{id}")
+    public void deleteMilestone(@PathVariable Long id) {
+        mileStoneService.delete(id);
+    }
+}

BE/src/main/java/louie/hanse/issuetracker/web/dto/milestone/MilestoneDetailResponse.java

@@ -0,0 +1,30 @@
+package louie.hanse.issuetracker.web.dto.milestone;
+
+import lombok.Getter;
+import louie.hanse.issuetracker.domain.Issue;
+import louie.hanse.issuetracker.domain.Milestone;
+
+import java.time.LocalDate;
+
+@Getter
+public class MilestoneDetailResponse {
+    private Long id;
+    private String title;
+    private String description;
+    private LocalDate completedDate;
+    private long openedIssueCount;
+    private long closedIssueCount;
+
+    public MilestoneDetailResponse(Milestone milestone) {
+        this.id = milestone.getId();
+        this.title = milestone.getTitle();
+        this.description = milestone.getDescription();
+        this.completedDate = milestone.getCompletedDate();
+        this.openedIssueCount = milestone.getIssues().stream()
+                .filter(Issue::isOpened)
+                .count();
+        this.closedIssueCount = milestone.getIssues().stream()
+                .filter(Issue::isClosed)
+                .count();
+    }
+}

BE/src/main/java/louie/hanse/issuetracker/web/dto/milestone/MilestoneListResponse.java

@@ -0,0 +1,22 @@
+package louie.hanse.issuetracker.web.dto.milestone;
+
+import lombok.Getter;
+import louie.hanse.issuetracker.domain.Milestone;
+
+import java.util.List;
+import java.util.stream.Collectors;
+
+@Getter
+public class MilestoneListResponse {
+    private int openedMileStoneCount;
+    private int closedMileStoneCount;
+    private List<MilestoneDetailResponse> milestones;
+
+    public MilestoneListResponse(int openedMileStoneCount, int closedMileStoneCount, List<Milestone> milestones) {
+        this.openedMileStoneCount = openedMileStoneCount;
+        this.closedMileStoneCount = closedMileStoneCount;
+        this.milestones = milestones.stream()
+                .map(MilestoneDetailResponse::new)
+                .collect(Collectors.toList());
+    }
+}

BE/src/main/java/louie/hanse/issuetracker/web/dto/milestone/MilestoneRequest.java

@@ -0,0 +1,19 @@
+package louie.hanse.issuetracker.web.dto.milestone;
+
+import lombok.Getter;
+import louie.hanse.issuetracker.domain.Milestone;
+
+import javax.validation.constraints.NotEmpty;
+import java.time.LocalDate;
+
+@Getter
+public class MilestoneRequest {
+    @NotEmpty
+    private String title;
+    private String description;
+    private LocalDate completedDate;
+
+    public Milestone toEntity() {
+       return new Milestone(title, description, completedDate);
+    }
+}