Merge pull request #60 from commonground-project/feat/add-internal-issue

Add internal issue api

src/main/java/tw/commonground/backend/service/internal/issue/InternalIssueController.java

@@ -0,0 +1,31 @@
+package tw.commonground.backend.service.internal.issue;
+
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.*;
+import tw.commonground.backend.service.internal.issue.dto.InternalIssueResponse;
+
+import java.util.List;
+import java.util.UUID;
+
+@RestController
+@RequestMapping("/api/internal/issues")
+public class InternalIssueController {
+
+    private final InternalIssueService internalIssueService;
+
+    public InternalIssueController(InternalIssueService internalIssueService) {
+        this.internalIssueService = internalIssueService;
+    }
+
+    @GetMapping
+    public ResponseEntity<List<InternalIssueResponse>> getIssues() {
+        List<InternalIssueResponse> issues = internalIssueService.getIssues();
+        return ResponseEntity.ok(issues);
+    }
+
+    @GetMapping("/{issueId}")
+    public ResponseEntity<InternalIssueResponse> getIssue(@PathVariable UUID issueId) {
+        InternalIssueResponse issue = internalIssueService.getIssue(issueId);
+        return ResponseEntity.ok(issue);
+    }
+}

src/main/java/tw/commonground/backend/service/internal/issue/InternalIssueService.java

@@ -0,0 +1,47 @@
+package  tw.commonground.backend.service.internal.issue;
+
+import org.springframework.data.domain.Pageable;
+import org.springframework.stereotype.Service;
+import tw.commonground.backend.exception.EntityNotFoundException;
+import tw.commonground.backend.service.internal.issue.dto.InternalIssueMapper;
+import tw.commonground.backend.service.issue.entity.IssueEntity;
+import tw.commonground.backend.service.internal.issue.dto.InternalIssueResponse;
+import tw.commonground.backend.service.issue.entity.IssueRepository;
+import tw.commonground.backend.service.viewpoint.ViewpointService;
+
+import java.util.List;
+import java.util.UUID;
+import java.util.stream.Collectors;
+
+@Service
+public class InternalIssueService {
+
+    private final IssueRepository issueRepository;
+    private final ViewpointService viewpointService;
+
+    public InternalIssueService(IssueRepository issueRepository, ViewpointService viewpointService) {
+        this.issueRepository = issueRepository;
+        this.viewpointService = viewpointService;
+    }
+
+    public List<InternalIssueResponse> getIssues() {
+        List<IssueEntity> issues = issueRepository.findAll();
+
+        return issues.stream()
+                .map(issue -> {
+                    int viewpointCount = viewpointService.getIssueViewpoints(issue.getId(), Pageable.unpaged())
+                            .getContent().size();
+                    return InternalIssueMapper.toResponse(issue, viewpointCount);
+                })
+                .collect(Collectors.toList());
+    }
+
+    public InternalIssueResponse getIssue(UUID issueId) {
+        IssueEntity issue = issueRepository.findById(issueId).orElseThrow(
+                () -> new EntityNotFoundException("InternalIssue", "issue id", issueId.toString())
+        );
+
+        int viewpointCount = viewpointService.getIssueViewpoints(issueId, Pageable.unpaged()).getContent().size();
+        return InternalIssueMapper.toResponse(issue, viewpointCount);
+    }
+}

src/main/java/tw/commonground/backend/service/internal/issue/dto/InternalIssueMapper.java

@@ -0,0 +1,21 @@
+package tw.commonground.backend.service.internal.issue.dto;
+
+import tw.commonground.backend.service.issue.entity.IssueEntity;
+
+public final class InternalIssueMapper {
+    private InternalIssueMapper() {
+        // hide constructor
+    }
+
+    public static InternalIssueResponse toResponse(IssueEntity issue, int viewpointCount) {
+        return new InternalIssueResponse(
+                issue.getId(),
+                issue.getCreatedAt(),
+                issue.getUpdatedAt(),
+                issue.getTitle(),
+                issue.getAuthorId(),
+                0, // TODO: Replace hardcoded viewCount with actual value
+                viewpointCount
+        );
+    }
+}

src/main/java/tw/commonground/backend/service/internal/issue/dto/InternalIssueResponse.java

@@ -0,0 +1,32 @@
+package  tw.commonground.backend.service.internal.issue.dto;
+
+import java.time.LocalDateTime;
+import java.util.UUID;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import lombok.*;
+
+@Getter
+@Setter
+@Builder
+public class InternalIssueResponse {
+    @JsonProperty("issue_id")
+    private UUID issueId;
+
+    @JsonProperty("created_at")
+    private LocalDateTime createdAt;
+
+    @JsonProperty("updated_at")
+    private LocalDateTime updatedAt;
+
+    private String title;
+
+    @JsonProperty("publisher_id")
+    private UUID authorId;
+
+    @JsonProperty("view_count")
+    private int viewCount;
+
+    @JsonProperty("viewpoint_count")
+    private int viewpointCount;
+}

src/main/java/tw/commonground/backend/service/internal/issue/dto/package-info.java

@@ -0,0 +1 @@
+package tw.commonground.backend.service.internal.issue.dto;

src/main/java/tw/commonground/backend/service/internal/issue/package-info.java

@@ -0,0 +1 @@
+package  tw.commonground.backend.service.internal.issue;