From d8c9e3d388ce2b8f3133a972e465165d230f36d7 Mon Sep 17 00:00:00 2001
From: Maximilian Giller <m.giller.dev@gmail.com>
Date: Tue, 21 Feb 2023 05:19:48 +0100
Subject: [PATCH] Implemented custom activity, to not always rely on timeout

---
 index.php | 51 +++++++++++++++++++++++++++++++--------------------
 1 file changed, 31 insertions(+), 20 deletions(-)

diff --git a/index.php b/index.php
index d8fb73c..5fc4f0d 100755
--- a/index.php
+++ b/index.php
@@ -3,56 +3,67 @@
 // Config
 $SECRET_KEY = "ENTER_SECRET_HERE";
 $FILENAME = "last_activity.txt";
+$SEPARATOR = " ";
 $IDLE_DURATION_THRESHOLD = 60 * 30;    // In seconds
-$SLEEP_DURATION_THRESHOLD = 60 * 60 * 4;    // In seconds
+$SLEEP_DURATION_THRESHOLD = 60 * 60 * 3;    // In seconds
 $EXPECTED_SLEEP_DURATION = 60 * 60 * 9.5;    // In seconds
 
 
-function storeTime($time)
+function storeActivity($time, $activity = "")
 {
-    global $FILENAME;
+    global $FILENAME, $SEPARATOR;
     $file = fopen($FILENAME, "w");
-    fwrite($file, $time);
+    fwrite($file, $time . $SEPARATOR . $activity);
     fclose($file);
 }
 
-function getTime()
+function getActivity()
 {
-    global $FILENAME;
+    global $FILENAME, $SEPARATOR;
     $file = fopen($FILENAME, "r");
-    $time = fread($file, filesize($FILENAME));
+    $line = fgets($file);
     fclose($file);
-    return (int)$time;
+    $parts = explode($SEPARATOR, $line, 2);
+    return array(
+        "time" => (int)$parts[0],
+        "activity" => $parts[1]
+    );
 }
 
 
 // Is secret given?
 if (isset($_GET['secret']) && $_GET['secret'] == $SECRET_KEY) {
+    $activity = isset($_GET['activity']) ? $_GET['activity'] : "";
+
     // Update the file
-    storeTime(time());
-    echo "Last activity udpated";
+    storeActivity(time(), $activity);
+    echo "Last activity updated";
     die();
 }
 
 // Current status requested
-$last_activity = getTime();
+$last_activity = getActivity();
 $response = array(
-    "last_activity" => $last_activity
+    "last_activity" => $last_activity['time'],
+    "status" => $last_activity['activity'],
 );
 
 // Estimate current activity
 $now = time();
-$diff = $now - $last_activity;  // DIFFERENCE IN SECONDS
-if ($diff >= $SLEEP_DURATION_THRESHOLD) {
-    $response['status'] = "Sleeping";
-} else if ($diff >= $IDLE_DURATION_THRESHOLD) {
-    $response['status'] = "Idle";
-} else {
-    $response['status'] = "Active";
+$diff = $now - $last_activity["time"];  // DIFFERENCE IN SECONDS
+
+if ($response['status'] == "") {
+    if ($diff >= $SLEEP_DURATION_THRESHOLD) {
+        $response['status'] = "Sleeping";
+    } else if ($diff >= $IDLE_DURATION_THRESHOLD) {
+        $response['status'] = "Awake";
+    } else {
+        $response['status'] = "Busy";
+    }
 }
 
 // Estimated time until wake up
-if ($response['status'] == "Sleeping") {
+if (strtolower($response['status']) == "sleeping") {
     $response['time_until_wake'] = $EXPECTED_SLEEP_DURATION - $diff;
 } else {
     $response['time_until_wake'] = 0;