login endpoint refactored

src/main/java/_11/asktpk/artisanconnectbackend/service/AuthService.java

@@ -0,0 +1,39 @@
+package _11.asktpk.artisanconnectbackend.service;
+
+import _11.asktpk.artisanconnectbackend.dto.AuthResponseDTO;
+import _11.asktpk.artisanconnectbackend.entities.Client;
+import _11.asktpk.artisanconnectbackend.security.JwtUtil;
+import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
+import org.springframework.security.crypto.password.PasswordEncoder;
+import org.springframework.stereotype.Service;
+import lombok.extern.slf4j.Slf4j;
+
+@Slf4j
+@Service
+public class AuthService {
+
+    private final ClientService clientService;
+    private final PasswordEncoder passwordEncoder;
+    private final JwtUtil jwtUtil;
+
+    public AuthService(ClientService clientService, JwtUtil jwtUtil) {
+        this.clientService = clientService;
+        this.jwtUtil = jwtUtil;
+        this.passwordEncoder = new BCryptPasswordEncoder();
+    }
+
+    public AuthResponseDTO login(String email, String password) throws Exception {
+        Client client = clientService.getClientByEmail(email);
+        if (client == null) {
+            throw new Exception("Klient o podanym adresie nie istnieje!");
+        }
+
+        if(passwordEncoder.matches(password, client.getPassword())) {
+            String token = jwtUtil.generateToken(client.getEmail(), client.getRole().getRole(), client.getId());
+            log.info("User logged in with {}", client.getEmail());
+            return new AuthResponseDTO(client.getId(), client.getRole().getRole(), token);
+        }
+        throw new Exception("Login lub hasło jest niepoprawny!");
+    }
+}
+