Linda Do

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

@@ -0,0 +1,12 @@
+package com.booleanuk.api.products;
+
+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/bagels/BagelController.java → src/main/java/com/booleanuk/api/products/controller/BagelController.java

@@ -1,4 +1,7 @@
-package com.booleanuk.api.bagels;
+package com.booleanuk.api.products.controller;
+
+import com.booleanuk.api.products.model.BagelRepository;
+import com.booleanuk.api.products.model.Bagel;
 
 import java.util.List;
 

src/main/java/com/booleanuk/api/products/controller/ProductController.java

@@ -0,0 +1,75 @@
+package com.booleanuk.api.products.controller;
+
+import com.booleanuk.api.products.model.Product;
+import com.booleanuk.api.products.model.ProductRepository;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.*;
+import org.springframework.web.server.ResponseStatusException;
+
+import java.util.ArrayList;
+import java.util.List;
+
+
+@RestController
+@RequestMapping("products")
+public class ProductController {
+    private ProductRepository productRepository;
+
+    public ProductController() {
+        this.productRepository = new ProductRepository();
+    }
+
+    @GetMapping
+    public ArrayList<Product> getAll() {
+        ArrayList<Product> products = productRepository.getAll();
+        if (products.isEmpty()) {
+            throw new ResponseStatusException(HttpStatus.NOT_FOUND, "No products of the provided category were found");
+        }
+        return products;
+    }
+
+    @PostMapping
+    public ResponseEntity<String> createProduct(@RequestBody Product newProduct){
+        Product product = productRepository.addProduct(newProduct);
+        if (product == null){
+            throw new ResponseStatusException(HttpStatus.BAD_REQUEST, "This product is already in the list");
+        }
+        return new ResponseEntity<String>(HttpStatus.CREATED);
+    }
+
+    @GetMapping("/{id}")
+    public Product getOne(@PathVariable int id) {
+        Product product = productRepository.getOne(id);
+        if (product == null) {
+            throw new ResponseStatusException(HttpStatus.NOT_FOUND, "Did not find this product");
+        }
+        return product;
+    }
+
+    @PutMapping("/{id}")
+    public ResponseEntity<String> update(@PathVariable int id, @RequestBody Product product ) {
+        Product productCheck = productRepository.getOne(id);
+        if (productCheck == null) {
+            throw new ResponseStatusException(HttpStatus.NOT_FOUND, "Did not find this product");
+        }
+
+        boolean updatedProduct = productRepository.checkName(product, id);
+
+        if (!updatedProduct){
+            throw new ResponseStatusException(HttpStatus.BAD_REQUEST, "This product is already in the list");
+        }
+
+        productRepository.updateProduct(id, product);
+        return new ResponseEntity<String>(HttpStatus.CREATED);
+    }
+
+    @DeleteMapping("/{id}")
+    public Product delete(@PathVariable int id){
+        Product product = productRepository.deleteProduct(id);
+        if (product == null) {
+            throw new ResponseStatusException(HttpStatus.NOT_FOUND, "Did not find this product");
+        }
+        return product;
+    }
+}

src/main/java/com/booleanuk/api/bagels/Bagel.java → src/main/java/com/booleanuk/api/products/model/Bagel.java

@@ -1,4 +1,4 @@
-package com.booleanuk.api.bagels;
+package com.booleanuk.api.products.model;
 
 public class Bagel {
     private int id;

src/main/java/com/booleanuk/api/bagels/BagelRepository.java → src/main/java/com/booleanuk/api/products/model/BagelRepository.java

@@ -1,4 +1,4 @@
-package com.booleanuk.api.bagels;
+package com.booleanuk.api.products.model;
 
 import java.util.ArrayList;
 import java.util.List;

src/main/java/com/booleanuk/api/products/model/Product.java

@@ -0,0 +1,52 @@
+package com.booleanuk.api.products.model;
+
+public class Product {
+    public static int nextId = 0;
+    private int id;
+    private String name;
+    private String category;
+    private int price;
+
+    public Product(String name, String category, int price){
+        this.id = nextId;
+        nextId++;
+        this.name = name;
+        this.category = category;
+        this.price = price;
+
+    }
+
+    public int getId() {
+        return id;
+    }
+
+    public void setId(int id) {
+        this.id = id;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public String getCategory() {
+        return category;
+    }
+
+    public void setCategory(String category) {
+        this.category = category;
+    }
+
+    public int getPrice() {
+        return price;
+    }
+
+    public void setPrice(int price) {
+        this.price = price;
+    }
+
+
+}

src/main/java/com/booleanuk/api/products/model/ProductRepository.java

@@ -0,0 +1,69 @@
+package com.booleanuk.api.products.model;
+
+import java.util.ArrayList;
+
+public class ProductRepository {
+    private ArrayList<Product> products;
+
+    public ProductRepository() {
+        this.products = new ArrayList<>();
+        this.products.add(new Product("product1", "category1", 100));
+        this.products.add(new Product("product2", "category2", 40));
+        this.products.add(new Product("product3", "category3", 90));
+
+    }
+
+    public ArrayList<Product> getAll() {
+        return this.products;
+    }
+
+    public Product getOne(int id) {
+        for (Product product : this.products) {
+            if (product.getId() == id) {
+                return product;
+            }
+        }
+        return null;
+    }
+
+    public Product addProduct(Product newProduct) {
+        for (Product product : this.products) {
+            if (product.getName().equals(newProduct.getName())) {
+                return null;
+            }
+        }
+        products.add(newProduct);
+        return newProduct;
+    }
+
+    public boolean checkName(Product product, int id){
+        for (Product productInList : this.products) {
+            if (productInList.getName().equals(product.getName())) {
+                return false;
+            }
+        } return true;
+    }
+
+    public Product deleteProduct(int id){
+        for (Product product : this.products) {
+            if (product.getId() == id) {
+                products.remove(product);
+                return product;
+            }
+        }
+        return null;
+    }
+
+    public void updateProduct(int id, Product product) {
+        for (Product productInList : this.products) {
+            if (productInList.getId() == id) {
+                productInList.setName(product.getName());
+                productInList.setCategory(product.getCategory());
+                productInList.setPrice(product.getPrice());
+            }
+        }
+    }
+}
+
+
+