Merge pull request #5 from 7SOATSquad30/feature/product

feat: add product resource

src/main/java/br/com/fiap/grupo30/fastfood/dto/ProductDTO.java

@@ -0,0 +1,28 @@
+package br.com.fiap.grupo30.fastfood.dto;
+
+import br.com.fiap.grupo30.fastfood.entities.Product;
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+@Data
+@NoArgsConstructor
+@AllArgsConstructor
+public class ProductDTO {
+
+    private Long id;
+    private String name;
+    private String description;
+    private Double price;
+    private String imgUrl;
+    private CategoryDTO category;
+
+    public ProductDTO(Product entity) {
+        id = entity.getId();
+        name = entity.getName();
+        description = entity.getDescription();
+        price = entity.getPrice();
+        imgUrl = entity.getImgUrl();
+        category = new CategoryDTO(entity.getCategory());
+    }
+}

src/main/java/br/com/fiap/grupo30/fastfood/entities/Product.java

@@ -0,0 +1,79 @@
+package br.com.fiap.grupo30.fastfood.entities;
+
+import jakarta.persistence.*;
+import java.time.Instant;
+import lombok.EqualsAndHashCode;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+@Getter
+@NoArgsConstructor
+@EqualsAndHashCode
+@Entity
+@Table(name = "product")
+public class Product {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long id;
+
+    private String name;
+
+    @Column(columnDefinition = "TEXT")
+    private String description;
+
+    private Double price;
+    private String imgUrl;
+
+    @ManyToOne
+    @JoinColumn(name = "category_id")
+    private Category category;
+
+    @Column(columnDefinition = "TIMESTAMP WITHOUT TIME ZONE")
+    private Instant createdAt;
+
+    @Column(columnDefinition = "TIMESTAMP WITHOUT TIME ZONE")
+    private Instant updatedAt;
+
+    @Column(columnDefinition = "TIMESTAMP WITHOUT TIME ZONE")
+    private Instant deletedAt;
+
+    public void setId(Long id) {
+        this.id = id;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public void setDescription(String description) {
+        this.description = description;
+    }
+
+    public void setPrice(Double price) {
+        this.price = price;
+    }
+
+    public void setImgUrl(String imgUrl) {
+        this.imgUrl = imgUrl;
+    }
+
+    public void setCategory(Category category) {
+        this.category = category;
+    }
+
+    @PrePersist
+    public void prePersist() {
+        createdAt = Instant.now();
+    }
+
+    @PreUpdate
+    public void preUpdate() {
+        updatedAt = Instant.now();
+    }
+
+    @PreRemove
+    public void preRemove() {
+        deletedAt = Instant.now();
+    }
+}

src/main/java/br/com/fiap/grupo30/fastfood/repositories/ProductRepository.java

@@ -0,0 +1,16 @@
+package br.com.fiap.grupo30.fastfood.repositories;
+
+import br.com.fiap.grupo30.fastfood.entities.Product;
+import java.util.List;
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.data.jpa.repository.Query;
+import org.springframework.stereotype.Repository;
+
+@Repository
+public interface ProductRepository extends JpaRepository<Product, Long> {
+
+    @Query(
+            "SELECT obj FROM Product obj "
+                    + "WHERE (:category IS NULL OR obj.category.id = :category)")
+    List<Product> findProductsByCategoryId(Long category);
+}

src/main/java/br/com/fiap/grupo30/fastfood/resources/ProductResource.java

@@ -0,0 +1,55 @@
+package br.com.fiap.grupo30.fastfood.resources;
+
+import br.com.fiap.grupo30.fastfood.dto.ProductDTO;
+import br.com.fiap.grupo30.fastfood.services.ProductService;
+import java.net.URI;
+import java.util.List;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.*;
+import org.springframework.web.servlet.support.ServletUriComponentsBuilder;
+
+@RestController
+@RequestMapping(value = "/products")
+public class ProductResource {
+
+    private static final String PATH_VARIABLE_ID = "/{id}";
+
+    @Autowired private ProductService service;
+
+    @GetMapping
+    public ResponseEntity<List<ProductDTO>> findAll(
+            @RequestParam(value = "categoryId", defaultValue = "0") Long categoryId) {
+        List<ProductDTO> list = service.findAll(categoryId);
+        return ResponseEntity.ok().body(list);
+    }
+
+    @GetMapping(value = PATH_VARIABLE_ID)
+    public ResponseEntity<ProductDTO> findById(@PathVariable Long id) {
+        ProductDTO dto = service.findById(id);
+        return ResponseEntity.ok().body(dto);
+    }
+
+    @PostMapping
+    public ResponseEntity<ProductDTO> insert(@RequestBody ProductDTO dto) {
+        ProductDTO dtoCreated = service.insert(dto);
+        URI uri =
+                ServletUriComponentsBuilder.fromCurrentRequest()
+                        .path(PATH_VARIABLE_ID)
+                        .buildAndExpand(dto.getId())
+                        .toUri();
+        return ResponseEntity.created(uri).body(dtoCreated);
+    }
+
+    @PutMapping(value = PATH_VARIABLE_ID)
+    public ResponseEntity<ProductDTO> update(@PathVariable Long id, @RequestBody ProductDTO dto) {
+        ProductDTO dtoUpdated = service.update(id, dto);
+        return ResponseEntity.ok().body(dtoUpdated);
+    }
+
+    @DeleteMapping(value = PATH_VARIABLE_ID)
+    public ResponseEntity<Void> delete(@PathVariable Long id) {
+        service.delete(id);
+        return ResponseEntity.noContent().build();
+    }
+}

src/main/java/br/com/fiap/grupo30/fastfood/resources/StandardError.java

@@ -0,0 +1,15 @@
+package br.com.fiap.grupo30.fastfood.resources;
+
+import java.time.Instant;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+@Data
+@NoArgsConstructor
+public class StandardError {
+    private Instant timestamp;
+    private Integer status;
+    private String error;
+    private String message;
+    private String path;
+}

src/main/java/br/com/fiap/grupo30/fastfood/resources/exceptions/ResourceExceptionHandler.java

@@ -0,0 +1,40 @@
+package br.com.fiap.grupo30.fastfood.resources.exceptions;
+
+import br.com.fiap.grupo30.fastfood.resources.StandardError;
+import br.com.fiap.grupo30.fastfood.services.exceptions.DatabaseException;
+import br.com.fiap.grupo30.fastfood.services.exceptions.ResourceNotFoundException;
+import jakarta.servlet.http.HttpServletRequest;
+import java.time.Instant;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.ControllerAdvice;
+import org.springframework.web.bind.annotation.ExceptionHandler;
+
+@ControllerAdvice
+public class ResourceExceptionHandler {
+
+    @ExceptionHandler(ResourceNotFoundException.class)
+    public ResponseEntity<StandardError> entityNotFound(
+            ResourceNotFoundException e, HttpServletRequest request) {
+        HttpStatus status = HttpStatus.NOT_FOUND;
+        StandardError err = new StandardError();
+        err.setTimestamp(Instant.now());
+        err.setStatus(status.value());
+        err.setError("Resource not found");
+        err.setMessage(e.getMessage());
+        err.setPath(request.getRequestURI());
+        return ResponseEntity.status(status).body(err);
+    }
+
+    @ExceptionHandler(DatabaseException.class)
+    public ResponseEntity<StandardError> database(DatabaseException e, HttpServletRequest request) {
+        HttpStatus status = HttpStatus.BAD_REQUEST;
+        StandardError err = new StandardError();
+        err.setTimestamp(Instant.now());
+        err.setStatus(status.value());
+        err.setError("Database exception");
+        err.setMessage(e.getMessage());
+        err.setPath(request.getRequestURI());
+        return ResponseEntity.status(status).body(err);
+    }
+}

src/main/java/br/com/fiap/grupo30/fastfood/services/ProductService.java

@@ -0,0 +1,77 @@
+package br.com.fiap.grupo30.fastfood.services;
+
+import br.com.fiap.grupo30.fastfood.dto.ProductDTO;
+import br.com.fiap.grupo30.fastfood.entities.Category;
+import br.com.fiap.grupo30.fastfood.entities.Product;
+import br.com.fiap.grupo30.fastfood.repositories.CategoryRepository;
+import br.com.fiap.grupo30.fastfood.repositories.ProductRepository;
+import br.com.fiap.grupo30.fastfood.services.exceptions.DatabaseException;
+import br.com.fiap.grupo30.fastfood.services.exceptions.ResourceNotFoundException;
+import jakarta.persistence.EntityNotFoundException;
+import java.util.List;
+import java.util.Optional;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.dao.DataIntegrityViolationException;
+import org.springframework.dao.EmptyResultDataAccessException;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+@Service
+public class ProductService {
+
+    @Autowired private ProductRepository repository;
+
+    @Autowired private CategoryRepository categoryRepository;
+
+    @Transactional(readOnly = true)
+    public List<ProductDTO> findAll(Long categoryId) {
+        Long category = categoryId == 0 ? null : categoryId;
+        return repository.findProductsByCategoryId(category).stream().map(ProductDTO::new).toList();
+    }
+
+    @Transactional(readOnly = true)
+    public ProductDTO findById(Long id) {
+        Optional<Product> obj = repository.findById(id);
+        Product entity = obj.orElseThrow(() -> new ResourceNotFoundException("Entity not found"));
+        return new ProductDTO(entity);
+    }
+
+    @Transactional
+    public ProductDTO insert(ProductDTO dto) {
+        Product entity = new Product();
+        copyDtoToEntity(dto, entity);
+        entity = repository.save(entity);
+        return new ProductDTO(entity);
+    }
+
+    @Transactional
+    public ProductDTO update(Long id, ProductDTO dto) {
+        try {
+            Product entity = repository.getReferenceById(id);
+            copyDtoToEntity(dto, entity);
+            entity = repository.save(entity);
+            return new ProductDTO(entity);
+        } catch (EntityNotFoundException e) {
+            throw new ResourceNotFoundException("Id not found " + id, e);
+        }
+    }
+
+    public void delete(Long id) {
+        try {
+            repository.deleteById(id);
+        } catch (EmptyResultDataAccessException e) {
+            throw new ResourceNotFoundException("Id not found " + id, e);
+        } catch (DataIntegrityViolationException e) {
+            throw new DatabaseException("Integrity violation", e);
+        }
+    }
+
+    private void copyDtoToEntity(ProductDTO dto, Product entity) {
+        entity.setName(dto.getName());
+        entity.setDescription(dto.getDescription());
+        entity.setImgUrl(dto.getImgUrl());
+        entity.setPrice(dto.getPrice());
+        Category category = categoryRepository.getReferenceById(dto.getCategory().getId());
+        entity.setCategory(category);
+    }
+}

src/main/java/br/com/fiap/grupo30/fastfood/services/exceptions/DatabaseException.java

@@ -0,0 +1,11 @@
+package br.com.fiap.grupo30.fastfood.services.exceptions;
+
+import java.io.Serial;
+
+public class DatabaseException extends RuntimeException {
+    @Serial private static final long serialVersionUID = 1L;
+
+    public DatabaseException(String msg, Throwable exception) {
+        super(msg, exception);
+    }
+}

src/main/java/br/com/fiap/grupo30/fastfood/services/exceptions/ResourceNotFoundException.java

@@ -0,0 +1,16 @@
+package br.com.fiap.grupo30.fastfood.services.exceptions;
+
+import java.io.Serial;
+
+public class ResourceNotFoundException extends RuntimeException {
+
+    @Serial private static final long serialVersionUID = 1L;
+
+    public ResourceNotFoundException(String msg) {
+        super(msg);
+    }
+
+    public ResourceNotFoundException(String msg, Throwable exception) {
+        super(msg, exception);
+    }
+}

src/main/resources/import.sql

@@ -1,4 +1,32 @@
 INSERT INTO category(name, created_at) VALUES ('Snacks', NOW());
 INSERT INTO category(name, created_at) VALUES ('Drinks', NOW());
 INSERT INTO category(name, created_at) VALUES ('Desserts', NOW());
-INSERT INTO category(name, created_at) VALUES ('Side Dishes', NOW());
+INSERT INTO category(name, created_at) VALUES ('Sides', NOW());
+
+INSERT INTO product (name, price, category_id, description, img_url, created_at) VALUES ('X-Burguer', 14.9, 1, 'Lorem ipsum dolor sit amet, consectetur adipiscing elit. Vivamus vulputate rutrum ullamcorper.', 'https://', NOW());
+INSERT INTO product (name, price, category_id, description, img_url, created_at) VALUES ('X-Bacon', 12.9, 1, 'Lorem ipsum dolor sit amet, consectetur adipiscing elit. Vivamus vulputate rutrum ullamcorper.', 'https://', NOW());
+INSERT INTO product (name, price, category_id, description, img_url, created_at) VALUES ('X-Chicken', 14.9, 1, 'Lorem ipsum dolor sit amet, consectetur adipiscing elit. Vivamus vulputate rutrum ullamcorper.', 'https://', NOW());
+INSERT INTO product (name, price, category_id, description, img_url, created_at) VALUES ('X-Fish', 15.9, 1, 'Lorem ipsum dolor sit amet, consectetur adipiscing elit. Vivamus vulputate rutrum ullamcorper.', 'https://', NOW());
+INSERT INTO product (name, price, category_id, description, img_url, created_at) VALUES ('CheeseBurguer', 12.9, 1, 'Lorem ipsum dolor sit amet, consectetur adipiscing elit. Vivamus vulputate rutrum ullamcorper.', 'https://', NOW());
+INSERT INTO product (name, price, category_id, description, img_url, created_at) VALUES ('Coca-Cola', 9.9, 2, 'Lorem ipsum dolor sit amet, consectetur adipiscing elit. Vivamus vulputate rutrum ullamcorper.', 'https://', NOW());
+INSERT INTO product (name, price, category_id, description, img_url, created_at) VALUES ('Lemonade', 10.9, 2, 'Lorem ipsum dolor sit amet, consectetur adipiscing elit. Vivamus vulputate rutrum ullamcorper.', 'https://', NOW());
+INSERT INTO product (name, price, category_id, description, img_url, created_at) VALUES ('Orange Juice', 11.9, 2, 'Lorem ipsum dolor sit amet, consectetur adipiscing elit. Vivamus vulputate rutrum ullamcorper.', 'https://', NOW());
+INSERT INTO product (name, price, category_id, description, img_url, created_at) VALUES ('Water', 7.9, 2, 'Lorem ipsum dolor sit amet, consectetur adipiscing elit. Vivamus vulputate rutrum ullamcorper.', 'https://', NOW());
+INSERT INTO product (name, price, category_id, description, img_url, created_at) VALUES ('Ice Tea', 10.9, 2, 'Lorem ipsum dolor sit amet, consectetur adipiscing elit. Vivamus vulputate rutrum ullamcorper.', 'https://', NOW());
+INSERT INTO product (name, price, category_id, description, img_url, created_at) VALUES ('Vanilla Sundae', 8.9, 3, 'Lorem ipsum dolor sit amet, consectetur adipiscing elit. Vivamus vulputate rutrum ullamcorper.', 'https://', NOW());
+INSERT INTO product (name, price, category_id, description, img_url, created_at) VALUES ('Strawberry Sundae', 8.9, 3, 'Lorem ipsum dolor sit amet, consectetur adipiscing elit. Vivamus vulputate rutrum ullamcorper.', 'https://', NOW());
+INSERT INTO product (name, price, category_id, description, img_url, created_at) VALUES ('Chocolate Sundae', 8.9, 3, 'Lorem ipsum dolor sit amet, consectetur adipiscing elit. Vivamus vulputate rutrum ullamcorper.', 'https://', NOW());
+INSERT INTO product (name, price, category_id, description, img_url, created_at) VALUES ('Vanilla Shake', 13.9, 3, 'Lorem ipsum dolor sit amet, consectetur adipiscing elit. Vivamus vulputate rutrum ullamcorper.', 'https://', NOW());
+INSERT INTO product (name, price, category_id, description, img_url, created_at) VALUES ('Strawberry Shake', 13.9, 3, 'Lorem ipsum dolor sit amet, consectetur adipiscing elit. Vivamus vulputate rutrum ullamcorper.', 'https://', NOW());
+INSERT INTO product (name, price, category_id, description, img_url, created_at) VALUES ('Chocolate Shake', 13.9, 3, 'Lorem ipsum dolor sit amet, consectetur adipiscing elit. Vivamus vulputate rutrum ullamcorper.', 'https://', NOW());
+INSERT INTO product (name, price, category_id, description, img_url, created_at) VALUES ('Vanilla Cone', 5.9, 3, 'Lorem ipsum dolor sit amet, consectetur adipiscing elit. Vivamus vulputate rutrum ullamcorper.', 'https://', NOW());
+INSERT INTO product (name, price, category_id, description, img_url, created_at) VALUES ('Chocolate Cone', 5.9, 3, 'Lorem ipsum dolor sit amet, consectetur adipiscing elit. Vivamus vulputate rutrum ullamcorper.', 'https://', NOW());
+INSERT INTO product (name, price, category_id, description, img_url, created_at) VALUES ('Mixed Cone', 5.9, 3, 'Lorem ipsum dolor sit amet, consectetur adipiscing elit. Vivamus vulputate rutrum ullamcorper.', 'https://', NOW());
+INSERT INTO product (name, price, category_id, description, img_url, created_at) VALUES ('Banana Pie', 7.9, 3, 'Lorem ipsum dolor sit amet, consectetur adipiscing elit. Vivamus vulputate rutrum ullamcorper.', 'https://', NOW());
+INSERT INTO product (name, price, category_id, description, img_url, created_at) VALUES ('Apple Cone', 7.9, 3, 'Lorem ipsum dolor sit amet, consectetur adipiscing elit. Vivamus vulputate rutrum ullamcorper.', 'https://', NOW());
+INSERT INTO product (name, price, category_id, description, img_url, created_at) VALUES ('French Fries', 8.9, 4, 'Lorem ipsum dolor sit amet, consectetur adipiscing elit. Vivamus vulputate rutrum ullamcorper.', 'https://', NOW());
+INSERT INTO product (name, price, category_id, description, img_url, created_at) VALUES ('Mustard', 1.9, 4, 'Lorem ipsum dolor sit amet, consectetur adipiscing elit. Vivamus vulputate rutrum ullamcorper.', 'https://', NOW());
+INSERT INTO product (name, price, category_id, description, img_url, created_at) VALUES ('Ketchup', 1.9, 4, 'Lorem ipsum dolor sit amet, consectetur adipiscing elit. Vivamus vulputate rutrum ullamcorper.', 'https://', NOW());
+INSERT INTO product (name, price, category_id, description, img_url, created_at) VALUES ('Mayonnaise', 1.9, 4, 'Lorem ipsum dolor sit amet, consectetur adipiscing elit. Vivamus vulputate rutrum ullamcorper.', 'https://', NOW());
+INSERT INTO product (name, price, category_id, description, img_url, created_at) VALUES ('Barbeque Sauce', 1.9, 4, 'Lorem ipsum dolor sit amet, consectetur adipiscing elit. Vivamus vulputate rutrum ullamcorper.', 'https://', NOW());
+INSERT INTO product (name, price, category_id, description, img_url, created_at) VALUES ('Chicken Nuggets', 10.9, 4, 'Lorem ipsum dolor sit amet, consectetur adipiscing elit. Vivamus vulputate rutrum ullamcorper.', 'https://', NOW());