Add item endpoints into virtual threads app.

virtual-threads-app/src/main/java/com/zeenea/experiments/virtualthreads/virtualthreadsapp/domain/item/ItemService.java

@@ -0,0 +1,25 @@
+package com.zeenea.experiments.virtualthreads.virtualthreadsapp.domain.item;
+
+import com.zeenea.experiments.virtualthreads.virtualthreadsapp.domain.item.model.Item;
+import com.zeenea.experiments.virtualthreads.virtualthreadsapp.domain.item.port.ItemPort;
+import org.springframework.stereotype.Service;
+
+import java.util.List;
+
+@Service
+public class ItemService {
+    private final ItemPort itemPort;
+
+    public ItemService(ItemPort itemPort) {
+        this.itemPort = itemPort;
+    }
+
+    public List<Item> getAllItems() {
+        return itemPort.getAll();
+    }
+
+    public void create(String name, Boolean shared) {
+        Item newItem = new Item(name, shared);
+        itemPort.save(newItem);
+    }
+}

virtual-threads-app/src/main/java/com/zeenea/experiments/virtualthreads/virtualthreadsapp/domain/item/model/Item.java

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+package com.zeenea.experiments.virtualthreads.virtualthreadsapp.domain.item.model;
+
+import java.time.ZonedDateTime;
+import java.util.UUID;
+
+public record Item(
+        UUID id,
+        String name,
+        ZonedDateTime sharedDate
+) {
+    public Item(String name, Boolean shared) {
+        this(
+                UUID.randomUUID(),
+                name,
+                shared ? ZonedDateTime.now() : null
+        );
+    }
+
+    public boolean isShared() {
+        return sharedDate != null;
+    }
+}

virtual-threads-app/src/main/java/com/zeenea/experiments/virtualthreads/virtualthreadsapp/domain/item/port/ItemPort.java

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+package com.zeenea.experiments.virtualthreads.virtualthreadsapp.domain.item.port;
+
+
+import com.zeenea.experiments.virtualthreads.virtualthreadsapp.domain.item.model.Item;
+
+import java.util.List;
+
+public interface ItemPort {
+    List<Item> getAll();
+    void save(Item newItem);
+}

virtual-threads-app/src/main/java/com/zeenea/experiments/virtualthreads/virtualthreadsapp/exposition/item/ItemController.java

@@ -0,0 +1,34 @@
+package com.zeenea.experiments.virtualthreads.virtualthreadsapp.exposition.item;
+
+import com.zeenea.experiments.virtualthreads.virtualthreadsapp.domain.item.ItemService;
+import com.zeenea.experiments.virtualthreads.virtualthreadsapp.exposition.item.model.CreateItemRequest;
+import com.zeenea.experiments.virtualthreads.virtualthreadsapp.exposition.item.model.ItemDto;
+import org.springframework.web.bind.annotation.*;
+
+import java.util.List;
+
+import static org.springframework.http.HttpStatus.CREATED;
+
+@RestController
+@RequestMapping("/api/items")
+public class ItemController {
+    private final ItemService itemService;
+
+    public ItemController(ItemService itemService) {
+        this.itemService = itemService;
+    }
+
+    @PostMapping
+    @ResponseStatus(CREATED)
+    public void createAnItem(@RequestBody CreateItemRequest request) {
+        itemService.create(request.name(), request.isShared());
+    }
+
+    @GetMapping
+    public List<ItemDto> getAll() {
+        return itemService.getAllItems()
+                .stream()
+                .map(ItemDto::new)
+                .toList();
+    }
+}

virtual-threads-app/src/main/java/com/zeenea/experiments/virtualthreads/virtualthreadsapp/exposition/item/model/CreateItemRequest.java

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+package com.zeenea.experiments.virtualthreads.virtualthreadsapp.exposition.item.model;
+
+public record CreateItemRequest(String name, Boolean isShared) {}

virtual-threads-app/src/main/java/com/zeenea/experiments/virtualthreads/virtualthreadsapp/exposition/item/model/ItemDto.java

@@ -0,0 +1,15 @@
+package com.zeenea.experiments.virtualthreads.virtualthreadsapp.exposition.item.model;
+
+import com.zeenea.experiments.virtualthreads.virtualthreadsapp.domain.item.model.Item;
+
+import java.util.UUID;
+
+public record ItemDto(
+        UUID id,
+        String name,
+        Boolean isShared
+) {
+    public ItemDto(Item item) {
+        this(item.id(), item.name(), item.isShared());
+    }
+}

virtual-threads-app/src/main/java/com/zeenea/experiments/virtualthreads/virtualthreadsapp/infrastructure/item/ItemJpaAdapter.java

@@ -0,0 +1,32 @@
+package com.zeenea.experiments.virtualthreads.virtualthreadsapp.infrastructure.item;
+
+import com.zeenea.experiments.virtualthreads.virtualthreadsapp.domain.item.model.Item;
+import com.zeenea.experiments.virtualthreads.virtualthreadsapp.domain.item.port.ItemPort;
+import com.zeenea.experiments.virtualthreads.virtualthreadsapp.infrastructure.item.model.ItemJpaEntity;
+import com.zeenea.experiments.virtualthreads.virtualthreadsapp.infrastructure.item.repository.ItemJpaRepository;
+import org.springframework.stereotype.Component;
+
+import java.util.List;
+
+@Component
+public class ItemJpaAdapter implements ItemPort {
+    private final ItemJpaRepository itemJpaRepository;
+
+    public ItemJpaAdapter(ItemJpaRepository itemJpaRepository) {
+        this.itemJpaRepository = itemJpaRepository;
+    }
+
+    @Override
+    public List<Item> getAll() {
+        return itemJpaRepository.findAll()
+                .stream()
+                .map(ItemJpaEntity::toDomain)
+                .toList();
+    }
+
+    @Override
+    public void save(Item newItem) {
+        ItemJpaEntity newItemJpaEntity = new ItemJpaEntity(newItem);
+        itemJpaRepository.save(newItemJpaEntity);
+    }
+}

virtual-threads-app/src/main/java/com/zeenea/experiments/virtualthreads/virtualthreadsapp/infrastructure/item/model/ItemJpaEntity.java

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+package com.zeenea.experiments.virtualthreads.virtualthreadsapp.infrastructure.item.model;
+
+import com.zeenea.experiments.virtualthreads.virtualthreadsapp.domain.item.model.Item;
+import jakarta.persistence.Column;
+import jakarta.persistence.Entity;
+import jakarta.persistence.Id;
+import jakarta.persistence.Table;
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import lombok.Setter;
+
+import java.time.ZonedDateTime;
+import java.util.UUID;
+
+@Entity
+@Table(name = "item")
+@AllArgsConstructor
+@NoArgsConstructor
+@Getter
+@Setter
+public class ItemJpaEntity {
+    @Id
+    private UUID id;
+    @Column(nullable = false)
+    private String name;
+    @Column
+    private ZonedDateTime sharedDate;
+
+    public ItemJpaEntity(Item item) {
+        id = item.id();
+        name = item.name();
+        sharedDate = item.sharedDate();
+    }
+
+    public Item toDomain() {
+        return new Item(id, name, sharedDate);
+    }
+}

virtual-threads-app/src/main/java/com/zeenea/experiments/virtualthreads/virtualthreadsapp/infrastructure/item/repository/ItemJpaRepository.java

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+package com.zeenea.experiments.virtualthreads.virtualthreadsapp.infrastructure.item.repository;
+
+import com.zeenea.experiments.virtualthreads.virtualthreadsapp.infrastructure.item.model.ItemJpaEntity;
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.stereotype.Repository;
+
+import java.util.UUID;
+
+@Repository
+public interface ItemJpaRepository extends JpaRepository<ItemJpaEntity, UUID> {}