Initial Setup for email verification

src/main/java/ch/usi/inf/sa4/sanmarinoes/smarthut/Service/EmailSenderService.java

@@ -0,0 +1,23 @@
+package ch.usi.inf.sa4.sanmarinoes.smarthut.Service;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.mail.SimpleMailMessage;
+import org.springframework.mail.javamail.JavaMailSender;
+import org.springframework.scheduling.annotation.Async;
+import org.springframework.stereotype.Service;
+
+@Service("emailSenderService")
+public class EmailSenderService {
+
+    private JavaMailSender javaMailSender;
+
+    @Autowired
+    public EmailSenderService(JavaMailSender javaMailSender) {
+        this.javaMailSender = javaMailSender;
+    }
+
+    @Async
+    public void sendEmail(SimpleMailMessage email) {
+        javaMailSender.send(email);
+    }
+}

src/main/java/ch/usi/inf/sa4/sanmarinoes/smarthut/controller/UserAccountController.java

@@ -0,0 +1,68 @@
+package ch.usi.inf.sa4.sanmarinoes.smarthut.controller;
+
+import ch.usi.inf.sa4.sanmarinoes.smarthut.Service.EmailSenderService;
+import ch.usi.inf.sa4.sanmarinoes.smarthut.models.ConfirmationToken;
+import ch.usi.inf.sa4.sanmarinoes.smarthut.models.ConfirmationTokenRepository;
+import ch.usi.inf.sa4.sanmarinoes.smarthut.models.User;
+import ch.usi.inf.sa4.sanmarinoes.smarthut.models.UserRepository;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
+import org.springframework.mail.SimpleMailMessage;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+import org.springframework.web.servlet.ModelAndView;
+
+@RestController
+@EnableAutoConfiguration
+@RequestMapping("/register")
+public class UserAccountController {
+
+    @Autowired private UserRepository userRepository;
+
+    @Autowired private ConfirmationTokenRepository confirmationTokenRepository;
+
+    @Autowired private EmailSenderService emailSenderService;
+
+    @GetMapping
+    public ModelAndView displayRegistration(ModelAndView modelAndView, User user) {
+        modelAndView.addObject("user", user);
+        modelAndView.setViewName("register");
+        return modelAndView;
+    }
+
+    @PostMapping
+    public ModelAndView registerUser(ModelAndView modelAndView, User user) {
+
+        User existingUser = userRepository.findByEmailIgnoreCase(user.getEmail());
+        // Check if an User with the same email already exists
+        if (existingUser != null) {
+            modelAndView.addObject("message", "This email already exists!");
+            modelAndView.setViewName("error");
+        } else {
+            userRepository.save(user);
+
+            ConfirmationToken confirmationToken = new ConfirmationToken(user);
+
+            confirmationTokenRepository.save(confirmationToken);
+
+            SimpleMailMessage mailMessage = new SimpleMailMessage();
+            mailMessage.setTo(user.getEmail());
+            mailMessage.setSubject("Complete Registration!");
+            mailMessage.setFrom("smarthut.sm@gmail.com");
+            mailMessage.setText(
+                    "To confirm your account, please click here : "
+                            + "http://localhost:8082/confirm-account?token="
+                            + confirmationToken.getConfirmationToken());
+
+            emailSenderService.sendEmail(mailMessage);
+
+            modelAndView.addObject("emailId", user.getEmail());
+
+            modelAndView.setViewName("successfulRegisteration");
+        }
+
+        return modelAndView;
+    }
+}

src/main/java/ch/usi/inf/sa4/sanmarinoes/smarthut/models/ConfirmationToken.java

@@ -0,0 +1,71 @@
+package ch.usi.inf.sa4.sanmarinoes.smarthut.models;
+
+import java.util.Date;
+import java.util.UUID;
+import javax.persistence.Column;
+import javax.persistence.Entity;
+import javax.persistence.FetchType;
+import javax.persistence.GeneratedValue;
+import javax.persistence.GenerationType;
+import javax.persistence.Id;
+import javax.persistence.JoinColumn;
+import javax.persistence.OneToOne;
+import javax.persistence.Temporal;
+import javax.persistence.TemporalType;
+
+@Entity
+public class ConfirmationToken {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.AUTO)
+    @Column(name = "id", updatable = false, nullable = false)
+    private Long id;
+
+    @Column(name = "confirmation_token")
+    private String confirmationToken;
+
+    @Temporal(TemporalType.TIMESTAMP)
+    private Date createdDate;
+
+    @OneToOne(targetEntity = User.class, fetch = FetchType.EAGER)
+    @JoinColumn(nullable = false, name = "user_id")
+    private User user;
+
+    public ConfirmationToken(User user) {
+        this.user = user;
+        createdDate = new Date();
+        confirmationToken = UUID.randomUUID().toString();
+    }
+
+    public Long getId() {
+        return id;
+    }
+
+    public String getConfirmationToken() {
+        return confirmationToken;
+    }
+
+    public Date getCreatedDate() {
+        return createdDate;
+    }
+
+    public User getUser() {
+        return user;
+    }
+
+    public void setId(Long id) {
+        this.id = id;
+    }
+
+    public void setConfirmationToken(String confirmationToken) {
+        this.confirmationToken = confirmationToken;
+    }
+
+    public void setCreatedDate(Date createdDate) {
+        this.createdDate = createdDate;
+    }
+
+    public void setUser(User user) {
+        this.user = user;
+    }
+}

src/main/java/ch/usi/inf/sa4/sanmarinoes/smarthut/models/ConfirmationTokenRepository.java

@@ -0,0 +1,7 @@
+package ch.usi.inf.sa4.sanmarinoes.smarthut.models;
+
+import org.springframework.data.repository.CrudRepository;
+
+public interface ConfirmationTokenRepository extends CrudRepository<ConfirmationToken, String> {
+    ConfirmationToken findByConfirmationToken(String confirmationToken);
+}

src/main/java/ch/usi/inf/sa4/sanmarinoes/smarthut/models/UserRepository.java

@@ -5,4 +5,6 @@ import org.springframework.data.repository.CrudRepository;
 
 public interface UserRepository extends CrudRepository<User, Long> {
     User findByUsername(String username);
+
+    User findByEmailIgnoreCase(String email);
 }