Marie Helene Hansen

src/main/java/com/booleanuk/api/Main.java

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+package com.booleanuk.api;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class Main {
+
+    public static void main(String[] args) {
+        SpringApplication.run(Main.class, args);
+    }
+}

src/main/java/com/booleanuk/api/controllers/ProductController.java

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+package com.booleanuk.api.controllers;
+
+import com.booleanuk.api.models.Product;
+import com.booleanuk.api.repositories.ProductRepository;
+import org.springframework.http.HttpStatus;
+import org.springframework.web.bind.annotation.*;
+import org.springframework.web.server.ResponseStatusException;
+
+import java.util.ArrayList;
+
+@RestController
+@RequestMapping("products")
+public class ProductController {
+
+    private ProductRepository productRepository;
+
+    public ProductController() {
+        this.productRepository = new ProductRepository();
+    }
+
+    @GetMapping
+    public ArrayList<Product> getAll() {
+        return productRepository.findAll();
+    }
+
+    @GetMapping("/{id}")
+    public Product getOne(@PathVariable int id) {
+        Product product = productRepository.find(id);
+        if (product == null) {
+            throw new ResponseStatusException(HttpStatus.NOT_FOUND, "Not found!!!!"); // 404 basically
+        }
+
+        return product;
+    }
+
+    @PostMapping
+    @ResponseStatus(HttpStatus.CREATED)
+    public Product create(@RequestBody Product product) {
+        if (productRepository.getProducts().contains(product)) {
+            throw new ResponseStatusException(HttpStatus.BAD_REQUEST, "Not cool.");
+        }
+        productRepository.create(product);
+        return product;
+    }
+
+    @PutMapping("/{id}")
+    @ResponseStatus(HttpStatus.CREATED)
+    public Product update(@PathVariable (name = "id") int id, @RequestBody Product product) {
+        if (id < productRepository.getProducts().size()) {
+            productRepository.getProducts().get(id).setType(product.getType());
+            productRepository.getProducts().get(id).setCategory(product.getCategory());
+            productRepository.getProducts().get(id).setPrice(product.getPrice());
+            return productRepository.getProducts().get(id);
+        }
+        return null;
+    }
+
+    @DeleteMapping("/{id}")
+    public Product delete(@PathVariable (name = "id") int id) {
+        if (id < productRepository.getProducts().size()) {
+            Product remove = productRepository.find(id);
+            productRepository.updateId(id);
+            return productRepository.getProducts().remove(remove.getId());
+        }
+        return null;
+    }
+}

src/main/java/com/booleanuk/api/models/Product.java

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+package com.booleanuk.api.models;
+
+public class Product {
+
+    private static int nextId = 0;
+    private int id;
+    private String type;
+    private String category;
+    private int price;
+
+    public Product(int id, String type, String category, int price) {
+        this.id = nextId ++;
+        this.type = type;
+        this.category = category;
+        this.price = price;
+    }
+
+    public static int getNextId() {
+        return nextId;
+    }
+
+    public static void setNextId(int nextId) {
+        Product.nextId = nextId;
+    }
+
+    public int getId() {
+
+        return id;
+    }
+
+    public String getType() {
+
+        return type;
+    }
+
+    public int getPrice() {
+
+        return price;
+    }
+
+    public void setType(String type) {
+        this.type = type;
+    }
+
+    public void setId(int id) {
+        this.id = id;
+    }
+
+    public String getCategory() {
+        return category;
+    }
+
+    public void setCategory(String category) {
+        this.category = category;
+    }
+
+    public void setPrice(int price) {
+        this.price = price;
+    }
+}

src/main/java/com/booleanuk/api/repositories/ProductRepository.java

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+package com.booleanuk.api.repositories;
+
+import com.booleanuk.api.bagels.Bagel;
+import com.booleanuk.api.models.Product;
+
+import java.util.ArrayList;
+
+public class ProductRepository {
+
+    private ArrayList<Product> products;
+    private int id;
+
+    public ProductRepository() {
+        this.products = new ArrayList<>();
+
+        //this.products.add(new Product(this.id++, "Bagel", "Food",  20));
+        //this.products.add(new Product(this.id ++, "Coffee", "Food", 15));
+    }
+
+    public void create(Product product) {
+        this.products.add(product);
+    }
+
+    public ArrayList<Product> getProducts() {
+        return products;
+    }
+
+    public void setProducts(ArrayList<Product> products) {
+        this.products = products;
+    }
+
+    public ArrayList<Product> findAll() {
+        return this.products;
+    }
+
+    public Product find(int id) {
+        return this.products.stream()
+                .filter(product -> product.getId() == id)
+                .findFirst()
+                .orElseThrow();
+    }
+
+    public void updateId(int id) {
+        for (int i = id; i < products.size() - 1; i ++) {
+            products.get(i+1).setId(i);
+        }
+    }
+}