Add validation annotations to the UserDTO

Author: Chamal-Peiris

src/main/java/lk/ijse/dep/note/api/UserController.java

@@ -1,5 +1,6 @@
 package lk.ijse.dep.note.api;
 
+import jakarta.validation.Valid;
 import lk.ijse.dep.note.dto.UserDTO;
 import lk.ijse.dep.note.service.UserService;
 import lk.ijse.dep.note.service.exception.DuplicateEmailException;
@@ -18,9 +19,7 @@ public class UserController {
 
     @ResponseStatus(HttpStatus.CREATED)
     @PostMapping(consumes = "application/json", produces = "application/json")
-    public UserDTO registerUser(@RequestBody UserDTO user) {
-        //validate
-
+    public UserDTO registerUser(@RequestBody @Valid UserDTO user) {
 
         userService.registerUser(user);
 
@@ -45,9 +44,9 @@ public void deleteuser(@PathVariable String userId) {
 
     @ResponseStatus(HttpStatus.NO_CONTENT)
     @PatchMapping(path = "{userId:[A-Fa-f0-\\~]{36}}", consumes = "application/json")
-    public void updateUser(@PathVariable String userId, @RequestBody UserDTO user) {
+    public void updateUser(@PathVariable String userId, @RequestBody @Valid UserDTO user) {
+
 
-        //todo:validate the user
 
         user.setId(userId);
         userService.updateUser(user);

src/main/java/lk/ijse/dep/note/dto/UserDTO.java

@@ -1,5 +1,6 @@
 package lk.ijse.dep.note.dto;
 
+import jakarta.validation.constraints.*;
 import lk.ijse.dep.note.entity.SuperEntity;
 import lombok.AllArgsConstructor;
 import lombok.Data;
@@ -13,11 +14,19 @@
 @NoArgsConstructor @AllArgsConstructor @Data
 public class UserDTO implements Serializable {
 
+    @Null(message = "Id cannot be set")
     private String id;
 
+    @Email(message = "invalid email")
+    @NotNull(message = "email cannot be empty")
     private String email;
 
+    @NotNull(message = "Password cannot be empty")
+    @Max(value = 6,message = "Password must have minimum of 6 characters")
+    @NotNull(message = "Password cannot be null")
     private String password;
 
+
+    @Pattern(regexp = "[A-za-z ]+",message = "Invalid Name format")
     private String fullName;
 }