Dodanie adnotacji Jakarta Validation

PC33-SklepSpring/src/main/java/sklep/model/Customer.java

 package sklep.model;
 
 import jakarta.persistence.*;
+import jakarta.validation.constraints.Email;
+import jakarta.validation.constraints.Pattern;
 
 import java.util.LinkedHashSet;
 import java.util.Set;
@@ -10,6 +12,7 @@ import java.util.Set;
 public class Customer {
     @Id
     @Column(name = "customer_email", nullable = false, length = 100)
+    @Email
     private String customerEmail;
 
     @Column(name = "customer_name", nullable = false, length = 100)
@@ -22,6 +25,7 @@ public class Customer {
     private String address;
 
     @Column(name = "postal_code", length = 10)
+    @Pattern(regexp="[0-9]{2}-[0-9]{3}")
     private String postalCode;
 
     @Column(name = "city", length = 100)

PC33-SklepSpring/src/main/java/sklep/model/Product.java

 package sklep.model;
 
 import jakarta.persistence.*;
+import jakarta.validation.constraints.*;
 import org.hibernate.annotations.ColumnDefault;
 
 import java.math.BigDecimal;
@@ -16,12 +17,17 @@ public class Product {
     private Integer id;
 
     @Column(name = "product_name", nullable = false, length = 100)
+    @NotBlank
+    @Size(min=1, max=20)
     private String productName;
 
     @Column(name = "price", nullable = false, precision = 10, scale = 2)
+    @DecimalMin("0.01")
+    @DecimalMax("99999.99") // ceny od 100 tys nie będą akceptowane
     private BigDecimal price;
 
     @Column(name = "vat", precision = 2, scale = 2)
+    @Min(0)
     private BigDecimal vat;
 
     @Column(name = "description", length = Integer.MAX_VALUE)