From ee946112d7a6e43272b5fd468abd2eda2e2c548b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Miko=C5=82aj=20Kaczmarek?=
 <12432719+AN0DA@users.noreply.github.com>
Date: Sun, 15 Jun 2025 22:08:47 +0200
Subject: [PATCH] Zadanie 4

---
 src/main.py               |  5 +++--
 src/templates/signup.html | 12 +++++++++++-
 2 files changed, 14 insertions(+), 3 deletions(-)

diff --git a/src/main.py b/src/main.py
index 3f69960..d775739 100644
--- a/src/main.py
+++ b/src/main.py
@@ -1,5 +1,5 @@
 import flask
-from flask import Flask, render_template, request, session
+from flask import Flask, render_template, request, session, flash, redirect, url_for
 import os
 import traceback
 import json
@@ -85,7 +85,8 @@ def register():
 
     # Walidacja hasła: min. 8 znaków i min. jedna cyfra
     if len(password) < 8 or not any(char.isdigit() for char in password):
-        return "<h2>Hasło musi mieć co najmniej 8 znaków i zawierać przynajmniej jedną cyfrę!</h2>", 400
+        flash("Hasło musi mieć co najmniej 8 znaków i zawierać przynajmniej jedną cyfrę!", "error")
+        return redirect(url_for("signup"))
 
     user = User(username, nickname, password)
     sqlsession.add(user)
diff --git a/src/templates/signup.html b/src/templates/signup.html
index 7e91c68..e3ff6f2 100644
--- a/src/templates/signup.html
+++ b/src/templates/signup.html
@@ -1,4 +1,14 @@
-<link rel="stylesheet" href="/static/style.css" type="text/css"> {% block body %}
+<link rel="stylesheet" href="/static/style.css" type="text/css"> 
+{% with messages = get_flashed_messages(with_categories=true) %}
+  {% if messages %}
+    <ul class="flashes">
+    {% for category, message in messages %}
+      <li class="{{ category }}">{{ message }}</li>
+    {% endfor %}
+    </ul>
+  {% endif %}
+{% endwith %}
+{% block body %}
 <form action="/register" method="POST">
 	<div class="login">
 		<div class="login-screen">