Hyperskill Recipe Project

RecipeController.java
package recipes.presentation;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.HttpStatus;
import org.springframework.web.bind.annotation.*;
import recipes.buissnesslayer.Recipe;
import recipes.buissnesslayer.RecipeService;

import javax.transaction.Transactional;
import java.util.Map;

@RestController
public class RecipeController {

    @Autowired
    private RecipeService recipeService;

    @PostMapping("/api/recipe/new")
    public Map<String, Long> postRecipe(@RequestBody Recipe recipe) {
        recipeService.save(recipe);

        return Map.of("id", recipe.getId());
    }

    @GetMapping("/api/recipe/{id}")
    public Recipe getRecipe(@PathVariable long id) {
        return recipeService.findRecipeById(id);
    }

    @DeleteMapping("/api/recipe/{id}")
    public HttpStatus deleteRecipe(@PathVariable Long id) {
        recipeService.deleteRecipeById(id);
        return HttpStatus.NO_CONTENT;
    }
}


RecipeService.java
package recipes.buissnesslayer;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import recipes.persistence.RecipeRepository;

import javax.transaction.Transactional;


@Service
public class RecipeService {
    private final RecipeRepository recipeRepository;

    @Autowired
    public RecipeService(RecipeRepository recipeRepository) {
        this.recipeRepository = recipeRepository;
    }

    public Recipe findRecipeById(long id) {
        return recipeRepository.findRecipeById(id);
    }

    public void save(Recipe savedRecipe) {
        recipeRepository.save(savedRecipe);
    }

    public boolean existsById(Long id) { return recipeRepository.existsById(id); }

    public void deleteRecipeById(Long id) {
        recipeRepository.deleteRecipeById(id);
    }
}

RecipeRepository.java
package recipes.persistence;

import org.springframework.data.repository.CrudRepository;
import org.springframework.stereotype.Repository;
import recipes.buissnesslayer.Recipe;

@Repository
public interface RecipeRepository extends CrudRepository<Recipe, Long> {
    Recipe findRecipeById(long id);

    @Override
    boolean existsById(Long aLong);

    Recipe deleteRecipeById(Long id);
}


Recipe.java
package recipes.buissnesslayer;


import com.fasterxml.jackson.annotation.JsonIgnore;

import javax.persistence.*;
import javax.validation.constraints.NotEmpty;
import java.util.List;

@Entity
public class Recipe {
    @Id
    @GeneratedValue
    @JsonIgnore
    private Long id;
    @NotEmpty
    private String name;
    @NotEmpty
    private String description;
    @ElementCollection
    private List<String> ingredients;
    @ElementCollection
    private List<String> directions;

    public Long getId() { return id; }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public String getDescription() {
        return description;
    }

    public void setDescription(String description) {
        this.description = description;
    }

    public List<String> getIngredients() {
        return ingredients;
    }

    public void setIngredients(List<String> ingredients) {
        this.ingredients = ingredients;
    }

    public List<String> getDirections() {
        return directions;
    }

    public void setDirections(List<String> directions) {
        this.directions = directions;
    }

    public Recipe(String name, String description, List<String> ingredients, List<String> directions) {
        this.name = name;
        this.description = description;
        this.ingredients = ingredients;
        this.directions = directions;
    }

    public Recipe() {
    }
}