import os
from flask import Flask, render_template_string, request
import pandas as pd
EXPORTS_DIR = "exports"
PORT = 8899
app = Flask(__name__)
TEMPLATE = """
<!DOCTYPE html>
<html data-bs-theme="dark">
<head>
<meta charset="utf-8">
<title>CSV Viewer</title>
<meta name="viewport" content="width=device-width, initial-scale=1">
<!-- Bootstrap 5 -->
<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/css/bootstrap.min.css" rel="stylesheet">
<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/js/bootstrap.bundle.min.js"></script>
<!-- DataTables -->
<link rel="stylesheet" href="https://cdn.datatables.net/1.13.4/css/dataTables.bootstrap5.min.css">
<script src="https://code.jquery.com/jquery-3.7.1.min.js"></script>
<script src="https://cdn.datatables.net/1.13.4/js/jquery.dataTables.min.js"></script>
<script src="https://cdn.datatables.net/1.13.4/js/dataTables.bootstrap5.min.js"></script>
<style>
body {
padding: 2rem;
}
h2, h3 {
margin-bottom: 1rem;
}
</style>
</head>
<body class="bg-body text-body">
<div class="container">
<h2>📊 CSV Viewer</h2>
{% if files %}
<div class="list-group mb-4">
{% for file in files %}
<a href="/view?file={{ file }}" class="list-group-item list-group-item-action {% if file == filename %}active{% endif %}">
{{ file }}
</a>
{% endfor %}
</div>
{% else %}
<p class="text-warning">Brak plików w katalogu <code>{{ dir }}</code>.</p>
{% endif %}
{% if table %}
<hr>
<h3 class="mt-4">Plik: {{ filename }}</h3>
<div class="table-responsive">
{{ table | safe }}
</div>
<script>
$(document).ready(function() {
$('#csv-table').DataTable();
});
</script>
{% endif %}
</div>
</body>
</html>
"""
@app.route("/")
def index():
files = [f for f in os.listdir(EXPORTS_DIR) if f.endswith(".csv")]
return render_template_string(TEMPLATE, files=files, table=None, filename=None, dir=EXPORTS_DIR)
@app.route("/view")
def view_file():
filename = request.args.get("file")
if not filename or not filename.endswith(".csv"):
return "Niepoprawny plik.", 400
path = os.path.join(EXPORTS_DIR, filename)
if not os.path.exists(path):
return "Plik nie istnieje.", 404
try:
df = pd.read_csv(path)
html_table = df.to_html(classes="table table-striped table-bordered display", index=False, table_id="csv-table")
files = [f for f in os.listdir(EXPORTS_DIR) if f.endswith(".csv")]
return render_template_string(TEMPLATE, files=files, table=html_table, filename=filename, dir=EXPORTS_DIR)
except Exception as e:
return f"BÅ‚Ä…d odczytu CSV: {e}", 500
if __name__ == "__main__":
os.makedirs(EXPORTS_DIR, exist_ok=True)
app.run(host="0.0.0.0", port=PORT)