Merge pull request #92 from dnd-side-project/feat/#90-book

책을 등록하면 포인트를 얻을 수 있다.

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

@@ -2,6 +2,7 @@
 
 import com.dnd.sbooky.api.book.request.RegisterBookRequest;
 import com.dnd.sbooky.api.member.exception.MemberNotFoundException;
+import com.dnd.sbooky.api.point.AccumulatePointUseCase;
 import com.dnd.sbooky.api.support.error.ErrorType;
 import com.dnd.sbooky.core.book.BookEntity;
 import com.dnd.sbooky.core.book.BookRepository;
@@ -10,6 +11,7 @@
 import com.dnd.sbooky.core.book.ReadStatus;
 import com.dnd.sbooky.core.member.MemberEntity;
 import com.dnd.sbooky.core.member.MemberRepository;
+import com.dnd.sbooky.core.point.PointPolicy;
 import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
@@ -21,6 +23,7 @@ public class RegisterBookUseCase {
     private final MemberBookRepository memberBookRepository;
     private final BookRepository bookRepository;
     private final MemberRepository memberRepository;
+    private final AccumulatePointUseCase accumulatePointUseCase;
 
     public void registerBook(RegisterBookRequest request, Long memberId) {
         MemberEntity member =
@@ -35,6 +38,8 @@ public void registerBook(RegisterBookRequest request, Long memberId) {
 
         memberBookRepository.save(
                 createMemberBook(member, book, ReadStatus.valueOf(request.readStatus())));
+
+        accumulatePointUseCase.accumulate(member, PointPolicy.REGISTER_BOOK);
     }
 
     private BookEntity createBook(RegisterBookRequest request) {

api/src/main/java/com/dnd/sbooky/api/point/AccumulatePointUseCase.java

@@ -0,0 +1,34 @@
+package com.dnd.sbooky.api.point;
+
+import com.dnd.sbooky.core.member.MemberEntity;
+import com.dnd.sbooky.core.point.PointEntity;
+import com.dnd.sbooky.core.point.PointPolicy;
+import com.dnd.sbooky.core.point.PointRepository;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+@Service
+@RequiredArgsConstructor
+@Transactional
+public class AccumulatePointUseCase {
+
+    private final PointRepository pointRepository;
+
+    public void accumulate(MemberEntity member, PointPolicy pointPolicy) {
+        int currentPoint = getCurrentPointByMemberId(member);
+
+        PointEntity pointEntity = PointEntity.newInstance(member, currentPoint, pointPolicy);
+        pointRepository.save(pointEntity);
+    }
+
+    /**
+     * 회원 ID로 현재 포인트를 조회한다.
+     *
+     * @param member 회원 엔티티
+     * @return 회원의 현재 포인트
+     */
+    private int getCurrentPointByMemberId(MemberEntity member) {
+        return pointRepository.findCurrentPointByMemberId(member.getId());
+    }
+}