CSV Export

app/keep.py

@@ -1,4 +1,4 @@
-from flask import Blueprint, render_template, request, g, url_for, redirect
+from flask import Blueprint, render_template, request, g, url_for, redirect, Response
 from datetime import datetime
 import sqlite3
 
@@ -76,3 +76,22 @@ def delete_keepalive(item_id):
     c.execute("DELETE FROM keepalive2 WHERE id = ?", (item_id,))
     conn.commit()
     return redirect(url_for('keep.dispkeepalive'))
+
+
+@keep.route('/download_csv')
+def download_csv():
+    conn = get_db()
+    c = conn.cursor()
+    c.execute("SELECT location, date, time FROM keepalive2 ORDER BY id DESC")
+    rows = c.fetchall()
+    conn.close()
+
+    output = "Location,Date,Time\n"
+    for row in rows:
+        output += f"{row[0]},{row[1]},{row[2]}\n"
+
+    return Response(
+        output,
+        mimetype='text/csv',
+        headers={"Content-Disposition": "attachment;filename=keepalive.csv"}
+    )

app/templates/keepaliveshowpage.html

@@ -26,6 +26,11 @@
   {% endfor %}
   </tbody>
 </table>
+
+<div class="text-center mt-4">
+  <a href="{{ url_for('keep.download_csv') }}" class="btn btn-primary">Download CSV</a>
+</div>
+
 {% else %}
   <h1 class="offset-lg-3">No items to show.</h1>
 {% endif %}