msa : monolithic - payment webbook chapter

msa_practice/monolithicdemo/src/main/java/com/monolithicdemo/controller/ReaderController.java

@@ -1,9 +1,12 @@
 package com.monolithicdemo.controller;
 
 import com.monolithicdemo.model.dto.WebBookChapterDto;
+import com.monolithicdemo.model.dto.WebBookChapterPaidDto;
 import com.monolithicdemo.model.dto.WebBookDto;
 import com.monolithicdemo.model.form.RegisterReaderForm;
+import com.monolithicdemo.model.form.WebBookChapterPaymentForm;
 import com.monolithicdemo.service.ReaderService;
+import com.monolithicdemo.service.WebBookPaymentService;
 import com.monolithicdemo.service.WebBookService;
 import lombok.RequiredArgsConstructor;
 import org.springframework.http.ResponseEntity;
@@ -18,6 +21,7 @@ public class ReaderController {
 
     private final ReaderService ReaderService;
     private final WebBookService webBookService;
+    private final WebBookPaymentService webBookPaymentService;
 
     @PostMapping("/")
     public ResponseEntity<Long> registerReader(@RequestBody RegisterReaderForm registerReaderForm){
@@ -35,4 +39,11 @@ public class ReaderController {
             @PathVariable(value = "webBookId") Long webBookId) {
         return ResponseEntity.ok().body(webBookService.getWebBookChapterList(readerId, webBookId));
     }
+
+    @PostMapping("/{readerId}/payment")
+    public ResponseEntity<WebBookChapterPaidDto> paymentWebBookChapter(
+            @PathVariable(value = "readerId") Long readerId,
+            @RequestBody WebBookChapterPaymentForm webBookChapterPaymentForm) {
+        return ResponseEntity.ok().body(webBookPaymentService.payment(readerId, webBookChapterPaymentForm));
+    }
 }

msa_practice/monolithicdemo/src/main/java/com/monolithicdemo/model/dto/WebBookChapterDto.java

@@ -13,7 +13,6 @@ import java.time.LocalDateTime;
 public class WebBookChapterDto {
     private Long webBookChapterId;
     private String name;
-    private String detail;
     private LocalDateTime createdAt;
     private Integer price;
     private Boolean isPaid;
@@ -22,7 +21,6 @@ public class WebBookChapterDto {
         return WebBookChapterDto.builder()
                 .webBookChapterId(webBookChapter.getWebBookChapterId())
                 .name(webBookChapter.getName())
-                .detail(webBookChapter.getDetail())
                 .createdAt(webBookChapter.getCreatedAt())
                 .price(webBookChapter.getPrice())
                 .build();

msa_practice/monolithicdemo/src/main/java/com/monolithicdemo/model/dto/WebBookChapterPaidDto.java

@@ -0,0 +1,30 @@
+package com.monolithicdemo.model.dto;
+
+import com.monolithicdemo.model.entity.WebBookChapter;
+import lombok.*;
+
+import java.time.LocalDateTime;
+
+@Getter
+@Setter
+@Builder
+@AllArgsConstructor
+@NoArgsConstructor
+public class WebBookChapterPaidDto {
+    private Long webBookChapterId;
+    private String name;
+    private String detail;
+    private LocalDateTime createdAt;
+    private Integer price;
+    private Boolean isPaid;
+
+    public static WebBookChapterPaidDto from(WebBookChapter webBookChapter) {
+        return WebBookChapterPaidDto.builder()
+                .webBookChapterId(webBookChapter.getWebBookChapterId())
+                .name(webBookChapter.getName())
+                .detail(webBookChapter.getDetail())
+                .createdAt(webBookChapter.getCreatedAt())
+                .price(webBookChapter.getPrice())
+                .build();
+    }
+}

msa_practice/monolithicdemo/src/main/java/com/monolithicdemo/model/form/WebBookChapterPaymentForm.java

@@ -8,4 +8,5 @@ import lombok.Setter;
 public class WebBookChapterPaymentForm {
 
     private Long webBookChapterId;
+    private Integer price;
 }

msa_practice/monolithicdemo/src/main/java/com/monolithicdemo/repository/ReaderWebBookPaymentRepository.java

@@ -10,4 +10,6 @@ import java.util.List;
 public interface ReaderWebBookPaymentRepository extends JpaRepository<ReaderWebBookPayment, Long> {
 
     List<ReaderWebBookPayment> findAllByReaderId(Long readerId);
+
+    ReaderWebBookPayment findByReaderIdAndWebBookChapterId(Long readerId, Long webBookChapterId);
 }

msa_practice/monolithicdemo/src/main/java/com/monolithicdemo/service/WebBookPaymentService.java

@@ -0,0 +1,47 @@
+package com.monolithicdemo.service;
+
+import com.monolithicdemo.model.dto.WebBookChapterPaidDto;
+import com.monolithicdemo.model.entity.ReaderWebBookPayment;
+import com.monolithicdemo.model.entity.WebBookChapter;
+import com.monolithicdemo.model.form.WebBookChapterPaymentForm;
+import com.monolithicdemo.repository.ReaderWebBookPaymentRepository;
+import com.monolithicdemo.repository.WebBookChapterRepository;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+
+import java.time.LocalDateTime;
+
+@Service
+@RequiredArgsConstructor
+public class WebBookPaymentService {
+
+    private final WebBookChapterRepository webBookChapterRepository;
+    private final ReaderWebBookPaymentRepository readerWebBookPaymentRepository;
+
+    public WebBookChapterPaidDto payment(Long readerId, WebBookChapterPaymentForm webBookChapterPaymentForm) {
+
+        ReaderWebBookPayment readerWebBookPayment = readerWebBookPaymentRepository.findByReaderIdAndWebBookChapterId(readerId, webBookChapterPaymentForm.getWebBookChapterId());
+
+        if (readerWebBookPayment != null) {
+            return null; // 이미 결제
+        }
+
+        WebBookChapter webBookChapter = webBookChapterRepository.findById(webBookChapterPaymentForm.getWebBookChapterId()).get();
+
+        if (!webBookChapter.getPrice().equals(webBookChapterPaymentForm.getPrice())) {
+            return null;
+        }
+
+
+        readerWebBookPaymentRepository.save(
+                ReaderWebBookPayment.builder()
+                        .webBookChapterId(webBookChapterPaymentForm.getWebBookChapterId())
+                        .readerId(readerId)
+                        .paymentAmount(webBookChapterPaymentForm.getPrice())
+                        .createdAt(LocalDateTime.now())
+                        .build()
+        );
+
+        return WebBookChapterPaidDto.from(webBookChapter);
+    }
+}

msa_practice/monolithicdemo/src/main/java/com/monolithicdemo/service/WebBookService.java

@@ -45,4 +45,5 @@ public class WebBookService {
         });
         return webBookChapterDtos;
     }
+
 }