adding some error messages for login page

Author: ShubhamSupekar

src/main/java/com/example/treaders/controller/AllController.java

@@ -58,15 +58,15 @@ public String Login(){
     public String authenticate(@RequestParam String email, @RequestParam String password,Model model){
         UserFormat user = UserRepo.findByEmail(email);
         if(user == null){
-            model.addAttribute("errorMessage", "User doesn't exist");
+            model.addAttribute("errorEmailMessage", "Email doesn't exist");
             return "login";
         }
         if(user!=null && passwordEncoder.matches(password,user.getPassword())){
             UserLoggedIn = true;
             UserName = user.getUsername();
             return "redirect:/home";
         }else{
-            model.addAttribute("errorMessage", "Wrong password");
+            model.addAttribute("errorPasswordMessage", "Wrong password");
             return "login";
         }
     }
@@ -96,14 +96,14 @@ public String Signup(){
     public String addNewUser(@RequestParam String email,@RequestParam String username, @RequestParam String password,Model model){
         UserFormat user=new UserFormat();
         if(UserRepo.findByEmail(email)!=null){
-            model.addAttribute("errorMessage","This email already exists");
+            model.addAttribute("errorEmailMessage","This email already exists");
             return "signup";
         }
         user.setEmail(email);
         user.setUsername(username);
         String regex = "^(?=.*[A-Z])(?=.*[a-z])(?=.*\\d)(?=.*[@#]).+$";
         if(!password.matches(regex)){
-            model.addAttribute("errorMessage", "Password must be at least 6 characters long and include at least one capital letter and one special character (@, #, or $).");
+            model.addAttribute("errorPasswordMessage", "Password must be at least 6 characters long and include at least one capital letter and one special character (@, #, or $).");
             model.addAttribute("email", email);
             model.addAttribute("username", username);
             return "signup";

src/main/resources/templates/login.html

@@ -12,9 +12,10 @@ <h2>Login</h2>
     <form action="/authenticate" method="post" id="loginForm">
         <div class="message"></div>
         <input type="text" name="email" placeholder="Email Id" required>
+        <div th:if="${errorEmailMessage != null}" th:text="${errorEmailMessage}" class="error"></div>
         <input type="password" name="password" placeholder="Password" required>
         <!-- Display the error message if there is one -->
-        <div th:if="${errorMessage != null}" th:text="${errorMessage}" class="error"></div>
+        <div th:if="${errorPasswordMessage != null}" th:text="${errorPasswordMessage}" class="error"></div>
         <input type="submit" value="Login">
     </form>
     <p class="signup-text">New user? Sign up <a href="/signup">here</a>.</p>

src/main/resources/templates/signup.html

@@ -13,10 +13,11 @@ <h2>Sign Up</h2>
     <form action="/newuser" method="post" id="signupForm">
       <div class="message"></div>
       <input type="email" name="email" placeholder="Email Id" required>
+      <div th:if="${errorEmailMessage != null}" th:text="${errorEmailMessage}" class="error"></div>
       <input type="text" name="username" placeholder="User Name" required>
       <input type="password" name="password" placeholder="Password" required>
       <!-- Display the error message if there is one -->
-      <div th:if="${errorMessage != null}" th:text="${errorMessage}" class="error"></div>
+      <div th:if="${errorPasswordMessage != null}" th:text="${errorPasswordMessage}" class="error"></div>
       <input type="submit" value="Sign Up">
     </form>
     <p class="login-link">Already have an account? <a href="/">Login</a></p>