Merge pull request #19 from ghis22130/service

[BE] Service 구현 issue: closes #5
codesquad-members-2021 · Apr 21, 2021 · b1df945 · b1df945
2 parents a66c321 + 96a8e9a
commit b1df945
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Showing 7 changed files with 108 additions and 4 deletions.
diff --git a/BE/src/main/java/com/team10/banchan/dto/ItemDetail.java b/BE/src/main/java/com/team10/banchan/dto/ItemDetail.java
@@ -22,7 +22,9 @@ public class ItemDetail {
     private final List<String> detailSection;
     private final List<String> badges;
 
-    private ItemDetail(String topImage, List<String> thumbImages, String title, String productDescription, String point, String deliveryInfo, String deliveryFee, String nPrices, String sPrices, List<String> detailSection, List<String> badges) {
+    private final Boolean inStock;
+
+    private ItemDetail(String topImage, List<String> thumbImages, String title, String productDescription, String point, String deliveryInfo, String deliveryFee, String nPrices, String sPrices, List<String> detailSection, List<String> badges, Boolean inStock) {
         this.topImage = topImage;
         this.thumbImages = thumbImages;
         this.title = title;
@@ -34,14 +36,15 @@ private ItemDetail(String topImage, List<String> thumbImages, String title, Stri
         this.sPrices = sPrices;
         this.detailSection = detailSection;
         this.badges = badges;
+        this.inStock = inStock;
     }
 
     public static ItemDetail of(String topImage, List<String> thumbImages,
                                 String title, String productDescription,
                                 String point, String deliveryInfo,
                                 String deliveryFee, String nPrices, String sPrices,
-                                List<String> detailSection, List<String> badges) {
-        return new ItemDetail(topImage, thumbImages, title, productDescription, point, deliveryInfo, deliveryFee, nPrices, sPrices, detailSection, badges);
+                                List<String> detailSection, List<String> badges, Boolean inStock) {
+        return new ItemDetail(topImage, thumbImages, title, productDescription, point, deliveryInfo, deliveryFee, nPrices, sPrices, detailSection, badges, inStock);
     }
 
     @JsonProperty("top_image")
@@ -99,6 +102,11 @@ public List<String> getDetailSection() {
     public List<String> getBadges() {
         return badges;
     }
+
+    @JsonProperty("in_stock")
+    public Boolean getInStock() {
+        return inStock;
+    }
 }
 
 
diff --git a/BE/src/main/java/com/team10/banchan/exception/NotFoundException.java b/BE/src/main/java/com/team10/banchan/exception/NotFoundException.java
@@ -0,0 +1,8 @@
+package com.team10.banchan.exception;
+
+public class NotFoundException extends RuntimeException {
+
+    public NotFoundException(String message) {
+        super(message);
+    }
+}
diff --git a/BE/src/main/java/com/team10/banchan/model/Item.java b/BE/src/main/java/com/team10/banchan/model/Item.java
@@ -104,7 +104,8 @@ public ItemDetail itemDetail() {
                 prices.getnPrice(),
                 prices.getsPrice(),
                 detailSection(),
-                badge()
+                badge(),
+                inStock()
         );
     }
 
@@ -156,4 +157,8 @@ private List<String> badge() {
                 .map(Badge::getName)
                 .collect(Collectors.toList());
     }
+
+    private Boolean inStock() {
+        return stock > 0;
+    }
 }
diff --git a/BE/src/main/java/com/team10/banchan/repository/ItemRepository.java b/BE/src/main/java/com/team10/banchan/repository/ItemRepository.java
@@ -4,8 +4,16 @@
 import org.springframework.data.repository.CrudRepository;
 
 import java.util.List;
+import java.util.Optional;
 
 public interface ItemRepository extends CrudRepository<Item, Long> {
+
     @Override
     List<Item> findAll();
+
+    List<Item> findAllBySection(Long section);
+
+    List<Item> findAllByCategory(Long category);
+
+    Optional<Item> findByIdAndSection(Long id, Long section);
 }
diff --git a/BE/src/main/java/com/team10/banchan/repository/SectionRepository.java b/BE/src/main/java/com/team10/banchan/repository/SectionRepository.java
@@ -4,8 +4,11 @@
 import org.springframework.data.repository.CrudRepository;
 
 import java.util.List;
+import java.util.Optional;
 
 public interface SectionRepository extends CrudRepository<Section, Long> {
     @Override
     List<Section> findAll();
+
+    Optional<Section> findByName(String sectionName);
 }
diff --git a/BE/src/main/java/com/team10/banchan/service/ItemDetailService.java b/BE/src/main/java/com/team10/banchan/service/ItemDetailService.java
@@ -0,0 +1,32 @@
+package com.team10.banchan.service;
+
+import com.team10.banchan.dto.ItemDetailResponse;
+import com.team10.banchan.exception.NotFoundException;
+import com.team10.banchan.model.Item;
+import com.team10.banchan.repository.ItemRepository;
+import org.springframework.stereotype.Service;
+
+import java.util.List;
+import java.util.stream.Collectors;
+
+@Service
+public class ItemDetailService {
+
+    private final ItemRepository itemRepository;
+
+    public ItemDetailService(ItemRepository itemRepository) {
+        this.itemRepository = itemRepository;
+    }
+
+    public ItemDetailResponse itemDetail(Long itemId) {
+        Item item = itemRepository.findById(itemId).orElseThrow(() -> new NotFoundException("존재하지 않는 반찬입니다."));
+        return ItemDetailResponse.of(itemId, item.itemDetail());
+    }
+
+    public List<ItemDetailResponse> itemDetails() {
+        return itemRepository.findAll().stream()
+                .map(item -> ItemDetailResponse.of(item.getId(), item.itemDetail()))
+                .collect(Collectors.toList());
+    }
+
+}
diff --git a/BE/src/main/java/com/team10/banchan/service/SectionService.java b/BE/src/main/java/com/team10/banchan/service/SectionService.java
@@ -0,0 +1,40 @@
+package com.team10.banchan.service;
+
+import com.team10.banchan.dto.ItemDetailResponse;
+import com.team10.banchan.dto.ItemSummary;
+import com.team10.banchan.exception.NotFoundException;
+import com.team10.banchan.model.Item;
+import com.team10.banchan.model.Section;
+import com.team10.banchan.repository.ItemRepository;
+import com.team10.banchan.repository.SectionRepository;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.data.crossstore.ChangeSetPersister;
+import org.springframework.stereotype.Service;
+
+import java.util.List;
+import java.util.stream.Collectors;
+
+@Service
+public class SectionService {
+
+    private final SectionRepository sectionRepository;
+    private final ItemRepository itemRepository;
+
+    public SectionService(SectionRepository sectionRepository, ItemRepository itemRepository) {
+        this.sectionRepository = sectionRepository;
+        this.itemRepository = itemRepository;
+    }
+
+    public List<ItemSummary> itemSummaries(String sectionName) {
+        Section section = sectionRepository.findByName(sectionName).orElseThrow(() -> new NotFoundException("존재하지 않는 섹션입니다"));
+        return itemRepository.findAllBySection(section.getId()).stream()
+                .map(Item::itemSummary)
+                .collect(Collectors.toList());
+    }
+
+    public ItemSummary itemSummary(String sectionName, Long itemId) {
+        Section section = sectionRepository.findByName(sectionName).orElseThrow(() -> new NotFoundException("존재하지 않는 섹션입니다"));
+        Item item = itemRepository.findByIdAndSection(itemId, section.getId()).orElseThrow(() -> new NotFoundException("존재하지 않는 아이템입니다"));
+        return item.itemSummary();
+    }
+}