added LoginController Post(/login)

backend/src/main/java/ovh/herisson/Clyde/EndPoints/LoginController.java

@@ -0,0 +1,45 @@
+package ovh.herisson.Clyde.EndPoints;
+import org.springframework.http.HttpHeaders;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.*;
+import ovh.herisson.Clyde.Services.TokenService;
+import ovh.herisson.Clyde.Services.UserService;
+import ovh.herisson.Clyde.Tables.User;
+
+import java.util.Date;
+
+@RestController
+@CrossOrigin(origins = "http://localhost:5173")
+public class LoginController {
+    private final UserService userService;
+    private final TokenService tokenService;
+
+    public LoginController(UserService userService, TokenService tokenService){
+        this.userService =userService;
+        this.tokenService = tokenService;
+    }
+    @PostMapping("/login")
+    public ResponseEntity<String> login(@RequestParam String identifier, String password, Date expirationDate){
+
+        User user = userService.getUser(identifier);
+        if (user == null){
+            return new ResponseEntity<String>("wrong ID or Email", HttpStatus.BAD_REQUEST);
+        }
+
+        if (!userService.checkPassword(user,password)){
+            return new ResponseEntity<String>("wrong Password",HttpStatus.BAD_REQUEST);
+        }
+
+        String token = tokenService.generateNewToken();
+
+
+        tokenService.saveToken(token,user,expirationDate);
+
+        HttpHeaders responseHeaders = new HttpHeaders();
+        responseHeaders.set("Set-Cookie",String.format("session_token=%s",token));
+        return ResponseEntity.ok().headers(responseHeaders).build();
+    }
+}
+
+