Produktu jako JAX-RS w Spring Jersey

PC37-Jersey/src/main/java/com/demo/JerseyConfig.java

@@ -8,6 +8,8 @@ import com.demo.proste.Kalkulator;
 import com.demo.proste.Kontekst;
 import com.demo.proste.Parametry;
 import com.demo.proste.Time;
+import com.demo.sklep.rest.ROrder;
+import com.demo.sklep.rest.RProduct;
 
 @Configuration
 public class JerseyConfig extends ResourceConfig {
@@ -18,6 +20,8 @@ public class JerseyConfig extends ResourceConfig {
 		register(Parametry.class);
 		register(Kalkulator.class);
 		register(Time.class);
+		register(RProduct.class);
+		register(ROrder.class);
 	}
 	
 }

PC37-Jersey/src/main/java/com/demo/sklep/model/wynik01.json

-[{"description":"Pralka wolnoobrotowa","price":2300.00,"productId":1,"productName":"praleczka","vat":0.23},{"description":"Odkurzacz automatyczny","price":499.00,"productId":2,"productName":"odkurzacz","vat":0.23},{"description":"Telewizor 55 cali 4K","price":2998.88,"productId":3,"productName":"telewizor 55","vat":0.23},{"description":"Telewizor 40 Full HD","price":2202.00,"productId":4,"productName":"telewiz","vat":0.23},{"price":444.00,"productId":5,"productName":"myszka gejmerska","vat":0.23},{"description":"Kawa Capuccino","price":12.90,"productId":10,"productName":"kawa","vat":0.08},{"description":"","price":9.90,"productId":11,"productName":"sok pomarańczowy","vat":0.05},{"description":"laptop co się zawiesza czasami","price":3456.00,"productId":12,"productName":"komputer","vat":0.23},{"description":"Głośniczek do Zooma","price":24.56,"productId":13,"productName":"głośniczek","vat":0.23},{"description":"","price":1999.99,"productId":14,"productName":"monitor","vat":0.23},{"description":"","price":12.90,"productId":15,"productName":"napój","vat":0.23},{"description":"","price":33.33,"productId":16,"productName":"wiatrak","vat":0.23},{"description":"Produkt arg0","price":999.00,"productId":17,"productName":"arg0name","vat":0.22},{"description":"Parkiet drewniany","price":190.00,"productId":18,"productName":"parkiet","vat":0.23},{"description":"Panele podłogowe","price":190.00,"productId":21,"productName":"panel","vat":0.23},{"description":"Klimatyzacja dobrze działająca","price":190.00,"productId":22,"productName":"Klimatyzacja","vat":0.23},{"price":19.00,"productId":23,"productName":"kosz na śmieci","vat":0.23},{"price":19.00,"productId":24,"productName":"kosz na śmieci","vat":0.23},{"price":19.00,"productId":25,"productName":"kosz na śmieci","vat":0.23},{"price":19.00,"productId":26,"productName":"kosz na śmieci","vat":0.23}]
\ No newline at end of file

PC37-Jersey/src/main/java/com/demo/sklep/rest/ROrder.java

+package com.demo.sklep.rest;
+
+import java.util.List;
+import java.util.Optional;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.HttpStatus;
+import org.springframework.web.server.ResponseStatusException;
+
+import com.demo.sklep.model.Order;
+import com.demo.sklep.repository.OrderRepository;
+
+import jakarta.ws.rs.Consumes;
+import jakarta.ws.rs.GET;
+import jakarta.ws.rs.Path;
+import jakarta.ws.rs.PathParam;
+import jakarta.ws.rs.Produces;
+
+@Path("/orders")
+@Produces("application/json")
+@Consumes("application/json")
+public class ROrder {
+    @Autowired
+    private OrderRepository orderRepository;
+    
+    @GET
+    public List<Order> readAll() {
+        return orderRepository.findAll();
+    }
+    
+    @Path("/{id}")
+    @GET
+    public Order readOne(@PathParam("id") int id) {
+        Optional<Order> order = orderRepository.findById(id);
+        if(order.isPresent()) {
+            return order.get();
+        } else {
+            throw new ResponseStatusException(HttpStatus.NOT_FOUND, "Nie ma zamówienia o numerze " + id);
+        }
+    }
+        
+}

PC37-Jersey/src/main/java/com/demo/sklep/rest/RProduct.java

+package com.demo.sklep.rest;
+
+import java.math.BigDecimal;
+import java.util.List;
+import java.util.Optional;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.dao.EmptyResultDataAccessException;
+import org.springframework.http.HttpStatus;
+import org.springframework.web.server.ResponseStatusException;
+
+import com.demo.sklep.model.Product;
+import com.demo.sklep.photo.PhotoUtil;
+import com.demo.sklep.repository.ProductRepository;
+
+import jakarta.ws.rs.Consumes;
+import jakarta.ws.rs.DELETE;
+import jakarta.ws.rs.GET;
+import jakarta.ws.rs.POST;
+import jakarta.ws.rs.PUT;
+import jakarta.ws.rs.Path;
+import jakarta.ws.rs.PathParam;
+import jakarta.ws.rs.Produces;
+
+@Path("/products")
+@Produces("application/json")
+@Consumes("application/json")
+public class RProduct {
+	@Autowired
+	private ProductRepository productRepository;
+	@Autowired
+	private PhotoUtil photoUtil;
+
+	@GET
+	public List<Product> readAll() {
+		return productRepository.findAll();
+	}
+	
+	@Path("/{id}")
+	@GET
+	public Product readOne(@PathParam("id") int id) {
+		return productRepository.findById(id).orElseThrow(() -> new ResponseStatusException(HttpStatus.NOT_FOUND));
+	}
+	
+	@Path("/{id}/price")
+	@GET
+	public BigDecimal getPrice(@PathParam("id") Integer id) {
+		Optional<Product> product = productRepository.findById(id);
+		if(product.isPresent()) {
+			return product.get().getPrice();
+		} else {
+			throw new ResponseStatusException(HttpStatus.NOT_FOUND);
+		}
+	}
+	
+	@Path("/{id}/price")
+	@PUT
+	public void setPrice(@PathParam("id") Integer id, BigDecimal newPrice) {
+		Optional<Product> product = productRepository.findById(id);
+		if(product.isPresent()) {
+			Product realProduct = product.get();
+			realProduct.setPrice(newPrice);
+			productRepository.save(realProduct);
+		} else {
+			throw new ResponseStatusException(HttpStatus.NOT_FOUND);
+		}
+	}
+	
+	@Path("/{id}")
+	@PUT
+	public void update(@PathParam("id") Integer productId, Product product) {
+		// Aby mieć pewność, że zapisujemu produkt o typ ID, wpisuję productId z URL-a.
+		// Ewentualnie możnaby jeszcze sprawdzić czy rekord istnieje, czy ID się zgadza
+		// i jeśli coś jest nie tak, to wyrzucić wyjątek.
+		product.setProductId(productId);
+		productRepository.save(product);
+	}
+
+	@POST
+	public Product insert(Product product) {
+		product.setProductId(null);
+		productRepository.save(product);
+		
+		return product;
+	}
+
+	@Path("/{id}")
+	@DELETE
+	public void delete(@PathParam("id") Integer productId) {
+		try {
+			productRepository.deleteById(productId);
+		} catch (EmptyResultDataAccessException e) {
+			throw new ResponseStatusException(HttpStatus.NOT_FOUND, "Brak produktu nr " + productId);
+		}
+	}
+	
+	@GET
+	@Path("/{id}/photo")
+	@Produces("image/jpeg")
+	public byte[] getPhoto(@PathParam("id") int productId) {
+		return photoUtil.readBytes(productId);
+	}
+
+	@PUT
+	@Path("/{id}/photo")
+	@Consumes("image/jpeg")
+	public void uploadPhoto(@PathParam("id") int productId, byte[] bytes) {
+		photoUtil.writeBytes(productId, bytes);
+	}
+}