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import json
import os
import logging
app = Flask(__name__)
DATA_FILE = 'products.json'
# Настройка логирования
logging.basicConfig(level=logging.DEBUG)
# Загрузка данных из JSON-файла
def load_data():
if os.path.exists(DATA_FILE):
try:
with open(DATA_FILE, 'r', encoding='utf-8') as file:
return json.load(file)
except json.JSONDecodeError:
logging.error("Ошибка: Невозможно декодировать JSON файл.")
return []
return []
# Сохранение данных в JSON-файл
def save_data(data):
with open(DATA_FILE, 'w', encoding='utf-8') as file:
json.dump(data, file, ensure_ascii=False, indent=4)
# Главная страница каталога
@app.route('/catalog')
def catalog():
products = load_data()
catalog_html = '''
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Каталог</title>
<style>
body {
font-family: Arial, sans-serif;
margin: 20px;
background-color: #f9f9f9;
}
h1 {
color: #333;
}
.product {
background-color: #fff;
border: 1px solid #ddd;
padding: 15px;
margin-bottom: 10px;
border-radius: 5px;
}
.product h2 {
margin-top: 0;
color: #555;
}
.product p {
color: #777;
}
</style>
</head>
<body>
<h1>Каталог товаров</h1>
{% for product in products %}
<div class="product">
<h2>{{ product['name'] }}</h2>
<p><strong>Цена:</strong> {{ product['price'] }} руб.</p>
<p><strong>Описание:</strong> {{ product['description'] }}</p>
</div>
{% endfor %}
</body>
</html>
'''
return render_template_string(catalog_html, products=products)
# Админ-панель для добавления товаров
@app.route('/admin', methods=['GET', 'POST'])
def admin():
if request.method == 'POST':
name = request.form.get('name')
price = request.form.get('price')
description = request.form.get('description')
logging.debug(f"Полученные данные из формы: name={name}, price={price}, description={description}")
if name and price and description:
try:
price = float(price)
except ValueError:
logging.error("Ошибка: Цена должна быть числом.")
return "Ошибка: Цена должна быть числом.", 400
products = load_data()
products.append({
'name': name,
'price': price,
'description': description
})
save_data(products)
return redirect(url_for('admin'))
products = load_data()
admin_html = '''
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Админ-панель</title>
<style>
body {
font-family: Arial, sans-serif;
margin: 20px;
background-color: #f9f9f9;
}
h1 {
color: #333;
}
form {
background-color: #fff;
padding: 20px;
border: 1px solid #ddd;
border-radius: 5px;
max-width: 400px;
}
label {
display: block;
margin-top: 10px;
color: #555;
}
input, textarea {
width: 100%;
padding: 8px;
margin-top: 5px;
border: 1px solid #ddd;
border-radius: 4px;
}
button {
margin-top: 15px;
padding: 10px 15px;
background-color: #28a745;
color: white;
border: none;
border-radius: 4px;
cursor: pointer;
}
button:hover {
background-color: #218838;
}
.product-list {
margin-top: 20px;
}
.product-item {
background-color: #fff;
border: 1px solid #ddd;
padding: 10px;
margin-bottom: 10px;
border-radius: 5px;
}
</style>
</head>
<body>
<h1>Добавление товара</h1>
<form method="POST">
<label for="name">Название товара:</label>
<input type="text" id="name" name="name" required>
<label for="price">Цена:</label>
<input type="number" id="price" name="price" step="0.01" required>
<label for="description">Описание:</label>
<textarea id="description" name="description" rows="4" required></textarea>
<button type="submit">Добавить товар</button>
</form>
<div class="product-list">
<h2>Список товаров</h2>
{% for product in products %}
<div class="product-item">
<strong>{{ product['name'] }}</strong> - {{ product['price'] }} руб.
<p>{{ product['description'] }}</p>
</div>
{% endfor %}
</div>
</body>
</html>
'''
return render_template_string(admin_html, products=products)
if __name__ == '__main__':
app.run(host='0.0.0.0', port=7860) |