created automated graph creation and delivery

app/spotify.py

@@ -0,0 +1,27 @@
+from app import app
+import json
+import subprocess
+import time
+import os
+from flask import send_from_directory, redirect, url_for, render_template, send_file
+
+
+def check_and_update():
+    path = os.path.join('app/spotify_explicit/recent.json')
+    with open(path) as file:
+        try:
+            file = json.load(file)
+        except json.JSONDecodeError:
+            file = {'last_generated' : -1}
+    regen = time.time() - 3600 >= file['last_generated']
+    with open(path, 'w') as file:
+        file = json.dump({'last_generated' : int(time.time())}, file)
+    return regen
+    
+@app.route('/spotify/')
+def spotify():
+    if check_and_update():
+        print('Graph out of date - running udpate command')
+        r = subprocess.run(['python', './app/spotify_explicit/main.py'], capture_output=True)
+    # return send_file('spotify_explicit/export/export.png')
+    return render_template('spotify.html')