Merge pull request #63 from dnd-side-project/feat/#57-book

책을 삭제한다.

api/src/main/java/com/dnd/sbooky/api/book/DeleteBookController.java

@@ -0,0 +1,33 @@
+package com.dnd.sbooky.api.book;
+
+import com.dnd.sbooky.api.docs.spec.DeleteBookApiSpec;
+import com.dnd.sbooky.api.support.response.ApiResponse;
+import io.swagger.v3.oas.annotations.Parameter;
+import lombok.RequiredArgsConstructor;
+import org.springframework.security.core.annotation.AuthenticationPrincipal;
+import org.springframework.security.core.userdetails.UserDetails;
+import org.springframework.web.bind.annotation.DeleteMapping;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+@RequestMapping("/api")
+@RequiredArgsConstructor
+public class DeleteBookController implements DeleteBookApiSpec {
+
+    private final DeleteBookUseCase deleteBookUseCase;
+
+    @DeleteMapping("/books/{memberBookId}")
+    public ApiResponse<?> deleteBook(
+            @PathVariable Long memberBookId,
+            @Parameter(hidden = true) @AuthenticationPrincipal UserDetails user) {
+
+        deleteBookUseCase.delete(extractMemberId(user), memberBookId);
+        return ApiResponse.success();
+    }
+
+    private Long extractMemberId(UserDetails user) {
+        return Long.parseLong(user.getUsername());
+    }
+}

api/src/main/java/com/dnd/sbooky/api/book/DeleteBookUseCase.java

@@ -0,0 +1,30 @@
+package com.dnd.sbooky.api.book;
+
+import com.dnd.sbooky.api.book.exception.BookForbiddenException;
+import com.dnd.sbooky.api.book.exception.BookNotFoundException;
+import com.dnd.sbooky.api.support.error.ErrorType;
+import com.dnd.sbooky.core.book.MemberBookEntity;
+import com.dnd.sbooky.core.book.MemberBookRepository;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+
+@Service
+@RequiredArgsConstructor
+public class DeleteBookUseCase {
+
+    private final MemberBookRepository memberBookRepository;
+
+    public void delete(Long memberId, Long memberBookId) {
+
+        MemberBookEntity memberBook =
+                memberBookRepository
+                        .findById(memberBookId)
+                        .orElseThrow(() -> new BookNotFoundException(ErrorType.BOOK_NOT_FOUND));
+
+        if (!memberBook.isSameMember(memberId)) {
+            throw new BookForbiddenException(ErrorType.BOOK_ACCESS_FORBIDDEN);
+        }
+
+        memberBookRepository.delete(memberBook);
+    }
+}

api/src/main/java/com/dnd/sbooky/api/docs/spec/DeleteBookApiSpec.java

@@ -0,0 +1,15 @@
+package com.dnd.sbooky.api.docs.spec;
+
+import com.dnd.sbooky.api.support.response.ApiResponse;
+import io.swagger.v3.oas.annotations.Operation;
+import io.swagger.v3.oas.annotations.security.SecurityRequirement;
+import io.swagger.v3.oas.annotations.tags.Tag;
+import org.springframework.security.core.userdetails.UserDetails;
+
+@Tag(name = "[Book API]", description = "책 삭제에 관련된 API")
+@SecurityRequirement(name = "access-token")
+public interface DeleteBookApiSpec {
+
+    @Operation(summary = "책 삭제", description = "회원이 등록한 책을 삭제한다.")
+    ApiResponse<?> deleteBook(Long memberBookId, UserDetails user);
+}