From 8801a538667ab316b0e72258d6d90b81d7da7a26 Mon Sep 17 00:00:00 2001
From: Lazlo Westerhof <l.r.westerhof@uu.nl>
Date: Fri, 25 Oct 2024 11:58:55 +0200
Subject: [PATCH] PoC with response caching

---
 app.py             | 8 ++++++++
 general/general.py | 3 +++
 requirements.txt   | 1 +
 3 files changed, 12 insertions(+)

diff --git a/app.py b/app.py
index a2154adc..02df6fb0 100644
--- a/app.py
+++ b/app.py
@@ -9,6 +9,7 @@
 from typing import Any, Dict, Optional
 
 from flask import Flask, g, redirect, request, Response, send_from_directory, session, url_for
+from flask_caching import Cache
 from flask_session import Session
 from flask_wtf.csrf import CSRFProtect
 
@@ -128,6 +129,13 @@ def load_admin_setting() -> Dict[str, Any]:
 # Start Flask-Session
 Session(app)
 
+# Configure the cache
+cache = Cache(app, config={
+    'CACHE_TYPE': 'FileSystemCache',
+    'CACHE_DIR': '/tmp',  
+    'CACHE_DEFAULT_TIMEOUT': 300
+})
+
 # Start monitoring thread for extracting tech support information
 # Monitor signal file can be set to empty to completely disable monitor thread
 monitor_enabled: bool = app.config.get("MONITOR_SIGNAL_FILE", "/var/www/yoda/show-tech.sig") != ""
diff --git a/general/general.py b/general/general.py
index 20cad295..40fde8f0 100644
--- a/general/general.py
+++ b/general/general.py
@@ -6,6 +6,8 @@
 from flask import Blueprint, redirect, render_template, Response, url_for
 from flask_wtf.csrf import CSRFError
 
+from app import cache
+
 general_bp = Blueprint('general_bp', __name__,
                        template_folder='templates/general',
                        static_folder='static/general',
@@ -13,6 +15,7 @@
 
 
 @general_bp.route('/')
+@cache.cached(timeout=60)
 def index() -> Response:
     return render_template('index.html')
 
diff --git a/requirements.txt b/requirements.txt
index c0217f8a..9b5efea9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,6 +2,7 @@ python-irodsclient==2.2.0
 Flask==3.0.2
 flask-session==0.6.0
 Flask-WTF==1.2.1
+Flask-Caching-2.3.0
 mod-wsgi==5.0.0
 pyjwt[crypto]==2.8.0
 requests==2.32.0