#38 hexagonal: find membership

bobby-pay/membership-service/src/main/java/org/example/membership/adapter/in/web/FindMembershipController.java

@@ -0,0 +1,29 @@
+package org.example.membership.adapter.in.web;
+
+import lombok.RequiredArgsConstructor;
+import org.example.membership.application.port.in.FindMembershipCommand;
+import org.example.membership.application.port.in.FindMembershipUseCase;
+import org.example.membership.domain.Membership;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+@RequiredArgsConstructor
+public class FindMembershipController {
+
+    private final FindMembershipUseCase findMembershipUseCase;
+
+    @GetMapping("/membership/{membershipId}")
+    ResponseEntity<Membership> findMembershipByMemberId(@PathVariable String membershipId) {
+
+        FindMembershipCommand command = FindMembershipCommand.builder()
+                .membershipId(membershipId)
+                .build();
+
+        Membership membership = findMembershipUseCase.findMembership(command);
+
+        return ResponseEntity.ok(membership);
+    }
+}

bobby-pay/membership-service/src/main/java/org/example/membership/adapter/out/persistence/MembershipPersistenceAdapter.java

@@ -2,12 +2,13 @@ package org.example.membership.adapter.out.persistence;
 
 import common.PersistenceAdapter;
 import lombok.RequiredArgsConstructor;
+import org.example.membership.application.port.out.FindMembershipPort;
 import org.example.membership.application.port.out.RegisterMembershipPort;
 import org.example.membership.domain.Membership;
 
 @PersistenceAdapter
 @RequiredArgsConstructor
-public class MembershipPersistenceAdapter implements RegisterMembershipPort {
+public class MembershipPersistenceAdapter implements RegisterMembershipPort, FindMembershipPort {
 
     private final SpringDataMembershipRepository membershipRepository;
 
@@ -23,4 +24,9 @@ public class MembershipPersistenceAdapter implements RegisterMembershipPort {
                 )
         );
     }
+
+    @Override
+    public MembershipJpaEntity findMembership(Membership.MembershipId membershipId) {
+        return membershipRepository.getById(membershipId.getMembershipId());
+    }
 }

bobby-pay/membership-service/src/main/java/org/example/membership/application/port/in/FindMembershipCommand.java

@@ -0,0 +1,16 @@
+package org.example.membership.application.port.in;
+
+
+import common.SelfValidating;
+import lombok.Builder;
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+
+@Data
+@Builder
+@EqualsAndHashCode(callSuper = false)
+public
+class FindMembershipCommand extends SelfValidating<FindMembershipCommand> {
+    private final String membershipId;
+
+}

bobby-pay/membership-service/src/main/java/org/example/membership/application/port/in/FindMembershipUseCase.java

@@ -0,0 +1,8 @@
+package org.example.membership.application.port.in;
+
+import org.example.membership.domain.Membership;
+
+public interface FindMembershipUseCase {
+
+    Membership findMembership(FindMembershipCommand command);
+}

bobby-pay/membership-service/src/main/java/org/example/membership/application/port/out/FindMembershipPort.java

@@ -0,0 +1,12 @@
+
+package org.example.membership.application.port.out;
+
+import org.example.membership.adapter.out.persistence.MembershipJpaEntity;
+import org.example.membership.domain.Membership;
+
+public interface FindMembershipPort {
+
+	MembershipJpaEntity findMembership(
+			Membership.MembershipId membershipId
+	);
+}

bobby-pay/membership-service/src/main/java/org/example/membership/application/service/FindMembershipService.java

@@ -0,0 +1,31 @@
+package org.example.membership.application.service;
+
+import common.UseCase;
+import lombok.RequiredArgsConstructor;
+import org.example.membership.adapter.out.persistence.MembershipJpaEntity;
+import org.example.membership.adapter.out.persistence.MembershipMapper;
+import org.example.membership.application.port.in.FindMembershipCommand;
+import org.example.membership.application.port.in.FindMembershipUseCase;
+import org.example.membership.application.port.out.FindMembershipPort;
+import org.example.membership.domain.Membership;
+
+import javax.transaction.Transactional;
+
+@RequiredArgsConstructor
+@UseCase
+@Transactional
+public class FindMembershipService implements FindMembershipUseCase {
+
+	private final FindMembershipPort findMembershipPort;
+	private final MembershipMapper mapper;
+
+	@Override
+	public Membership findMembership(FindMembershipCommand command) {
+		MembershipJpaEntity entity = findMembershipPort.findMembership(new Membership.MembershipId(command.getMembershipId()));
+		return mapper.mapToDomainEntity(entity);
+	}
+
+}
+
+
+