Update app.py
Browse files
app.py
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from flask import Flask, request, redirect
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app = Flask(
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return html_wrapper('''
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''')
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from flask import Flask, request, redirect
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import json
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import os
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app = Flask(__name__)
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DB_FILE = 'data.json'
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# Функция для создания нового JSON-файла
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def initialize_db():
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try:
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with open(DB_FILE, 'w') as f:
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json.dump([], f) # Создаём пустой массив в файле
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except Exception as e:
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print(f"Ошибка при создании файла {DB_FILE}: {e}")
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# Функция для загрузки данных из файла
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def load_products():
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if not os.path.exists(DB_FILE): # Если файл не существует, создаём его
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initialize_db()
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try:
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with open(DB_FILE, 'r') as f:
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return json.load(f)
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except (json.JSONDecodeError, Exception) as e:
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print(f"Ошибка при чтении файла {DB_FILE}: {e}")
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return []
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# Функция для сохранения данных в файл
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def save_products(products):
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try:
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with open(DB_FILE, 'w') as f:
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json.dump(products, f)
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except Exception as e:
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print(f"Ошибка при записи в файл {DB_FILE}: {e}")
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# Вспомогательная функция для обёртки HTML-контента
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def html_wrapper(content):
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return f'''
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<!DOCTYPE html>
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<html>
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<head>
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<title>Каталог</title>
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<style>
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body {{ font-family: Arial, sans-serif; margin: 20px; }}
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.header {{ font-size: 24px; margin-bottom: 20px; }}
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.products {{ display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }}
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.product {{ border: 1px solid #ddd; padding: 15px; border-radius: 5px; }}
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.product img {{ max-width: 200px; max-height: 200px; }}
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form {{ max-width: 500px; margin: 20px auto; }}
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input, textarea {{ width: 100%; margin: 5px 0; padding: 8px; }}
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button {{ background: #4CAF50; color: white; padding: 10px; border: none; cursor: pointer; }}
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nav {{ margin-bottom: 20px; }}
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a {{ margin-right: 15px; text-decoration: none; color: #333; }}
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</style>
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</head>
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<body>
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<nav>
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<a href="/">Каталог</a>
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<a href="/admin">Админка</a>
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</nav>
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{content}
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</body>
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</html>
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'''
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# Маршрут для отображения каталога товаров
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@app.route('/')
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def catalog():
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products = load_products()
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products_html = ''.join([
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f'''<div class="product">
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<h3>{p['name']}</h3>
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<img src="{p['image']}">
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<p>{p['description']}</p>
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<p>Цена: {p['price']} руб.</p>
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</div>'''
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for p in products
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])
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return html_wrapper(f'''
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<div class="header">Каталог товаров</div>
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<div class="products">{products_html}</div>
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''')
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# Маршрут для админ-панели (добавление товаров)
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@app.route('/admin', methods=['GET', 'POST'])
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def admin():
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if request.method == 'POST':
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products = load_products()
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# Добавляем новый товар из формы
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products.append({
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'name': request.form['name'],
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'description': request.form['description'],
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'price': request.form['price'],
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'image': request.form['image']
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})
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save_products(products)
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return redirect('/admin')
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return html_wrapper('''
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<div class="header">Админ-панель</div>
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<form method="POST">
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<input type="text" name="name" placeholder="Название" required>
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<textarea name="description" placeholder="Описание" required></textarea>
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<input type="number" name="price" placeholder="Цена" required>
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<input type="url" name="image" placeholder="URL изображения" required>
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<button type="submit">Добавить товар</button>
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</form>
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''')
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# Точка входа в приложение
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if __name__ == '__main__':
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# Проверяем наличие файла при запуске и создаём его при необходимости
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if not os.path.exists(DB_FILE):
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initialize_db()
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app.run(host='0.0.0.0', port=7860)
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