Update README.md

README.md

@@ -1,5 +1,5 @@
-# system0-test
-This is the test repo for experimental system0 features. Currently it houses the new docker system that we are developing instead of the normal sys0-image.
+# system0-2.0
+The new version of system0. It runs on Docker and is much smarter with many new features compared to the original system0.
 
 # system0
 Frontend system for octoprint<br>

scripts/README.md

@@ -0,0 +1,4 @@
+# sys0_client.sh 
+This script can be installed into rc.local to start after every boot.<br>
+WARNING! before installing change the MACHINE_ID and the SYSTEM=_WEBSERVER_URL<br>
+Be sure to give every octoprint machine a seperate id.<br>

scripts/sys0_client.sh

@@ -0,0 +1,5 @@
+#!/bin/bash
+ngrok http 80 &
+sleep 5
+url=$(curl --silent --show-error http://127.0.0.1:4040/api/tunnels | sed -nE 's/.*public_url":"https:..([^"]*).*/\1/p' )
+curl --silent "https://SYSTEM0_WEBSERVER_URL/api/update_url.php?url=$url&id=ENTER_THE_ID_FOR_THIS_MACHINE_HERE&apikey=YOUR_SYSTEM0_APIKEY&octoapikey=OCTOPRINT_ADMIN_APIKEY"

sys0-code/api/download_image.php

@@ -0,0 +1,12 @@
+<?php
+	// Get parameters
+	$username = htmlspecialchars($_GET["username"]);
+	$printer_url = $_GET["url"];
+
+	// Path to save the downloaded image
+	$path = "/var/www/html/user_files/$username/$printer_url.jpeg";
+
+	// Download the latest snapshot from the printer URL
+	exec("wget --quiet \"http://$printer_url/webcam/?action=snapshot\" -O $path");
+
+?>

sys0-code/api/server_stats.php

@@ -0,0 +1,92 @@
+<?php
+// Initialize the session and check if the user is authenticated
+session_start();
+include "../config/config.php";
+
+// Perform authentication and role checks
+if (!isset($_SESSION["loggedin"]) || $_SESSION["loggedin"] !== true || $_SESSION["role"][9] !== "1") {
+    echo "Unauthorized access!";
+    exit;
+}
+
+// Sanitize session variables
+$username = htmlspecialchars($_SESSION["username"]);
+$id = intval($_SESSION["id"]);
+$color = htmlspecialchars($_SESSION["color"]);
+
+// Server statistics retrieval
+
+// Get server load
+$load = sys_getloadavg();
+$load_percentage = round(($load[0] / 4) * 100); // Assuming a 4-core processor
+
+// Get CPU usage
+$cpu_usage = shell_exec("top -bn1 | grep 'Cpu(s)' | sed 's/.*, *\\([0-9.]*\\)%* id.*/\\1/' | awk '{print 100 - $1}'");
+$cpu_usage = round($cpu_usage, 2);
+
+// Get RAM usage
+$ram_usage = shell_exec("free | grep Mem | awk '{print $3/$2 * 100.0}'");
+$ram_usage = round($ram_usage, 2);
+
+// Get Disk usage
+$disk_usage = shell_exec("df -h /var/www/html/user_files | grep / | awk '{print $5}'");
+
+// Get server uptime
+$uptime = shell_exec("uptime -p");
+
+// Output stats with Bootstrap styling
+
+echo "
+<div class='col-md-6 mb-4'>
+    <div class='card'>
+        <div class='card-body'>
+            <p class='stat-label'>CPU Usage: {$cpu_usage}%</p>
+            <div class='progress'>
+                <div class='progress-bar bg-danger' role='progressbar' style='width: {$cpu_usage}%' aria-valuenow='{$cpu_usage}' aria-valuemin='0' aria-valuemax='100'>{$cpu_usage}%</div>
+            </div>
+        </div>
+    </div>
+</div>
+
+<div class='col-md-6 mb-4'>
+    <div class='card'>
+        <div class='card-body'>
+            <p class='stat-label'>RAM Usage: {$ram_usage}%</p>
+            <div class='progress'>
+                <div class='progress-bar bg-warning' role='progressbar' style='width: {$ram_usage}%' aria-valuenow='{$ram_usage}' aria-valuemin='0' aria-valuemax='100'>{$ram_usage}%</div>
+            </div>
+        </div>
+    </div>
+</div>
+
+<div class='col-md-6 mb-4'>
+    <div class='card'>
+        <div class='card-body'>
+            <p class='stat-label'>Server Load (1 min avg): {$load[0]}</p>
+            <div class='progress'>
+                <div class='progress-bar bg-info' role='progressbar' style='width: {$load_percentage}%' aria-valuenow='{$load_percentage}' aria-valuemin='0' aria-valuemax='100'>{$load_percentage}%</div>
+            </div>
+        </div>
+    </div>
+</div>
+
+<div class='col-md-6 mb-4'>
+    <div class='card'>
+        <div class='card-body'>
+            <p class='stat-label'>Disk Usage: {$disk_usage}</p>
+            <div class='progress'>
+                <div class='progress-bar bg-success' role='progressbar' style='width: {$disk_usage}' aria-valuenow='{$disk_usage}' aria-valuemin='0' aria-valuemax='100'>{$disk_usage}</div>
+            </div>
+        </div>
+    </div>
+</div>
+
+<div class='col-md-12 mb-4'>
+    <div class='card'>
+        <div class='card-body'>
+            <p class='stat-label'>Server Uptime: {$uptime}</p>
+        </div>
+    </div>
+</div>
+";
+?>

sys0-code/api/update_color.php

@@ -78,6 +78,11 @@ function load_user()
 		</select><br><br>
 		<input type="submit" class="btn btn-dark mb-5" value="Farbe aktualisieren" id="button">
 		</form>
+		<?php
+			if(isset($_POST["printer"])){
+				echo("<center><div class='alert alert-success' role='alert'>Farbe geändert</div></center>");
+			}
+		?>
 	    </div>
 	  </div>
 	</div>

sys0-code/app/debug.php

@@ -14,7 +14,6 @@ $username=htmlspecialchars($_SESSION["username"]);
 $id=$_SESSION["id"];
 ?>
 
-
 <script src="/assets/js/load_page.js"></script>
 <script>
 function load_user()
@@ -31,11 +30,12 @@ function update_input(input,action,id){
 
 }
 
-function delete_input(input,action,id,row){
+async function delete_input(input,action,id,row){
 	var selector=document.getElementById(input);
 	var selector_value=selector.value;
-	fetch("/api/printer_settings.php?action="+action+"&value="+selector.value+"&id="+id);
-	document.getElementById("table1").deleteRow(row);
+	await fetch("/api/printer_settings.php?action="+action+"&value="+selector.value+"&id="+id);
+	//document.getElementById("table1").deleteRow(row);
+	location.reload();
 }
 </script>
 <?php
@@ -48,6 +48,7 @@ function delete_input(input,action,id,row){
 <?php 
 	$color=$_SESSION["color"]; 
 	include "../assets/components.php";
+	$tab=$_GET["show"];
 ?>
 <div id="content"></div>
 
@@ -59,6 +60,28 @@ function delete_input(input,action,id,row){
 	<div class="container mt-5" style="min-height: 95vh;">
 		<div class="row justify-content-center">
 	  	<div style="width: 100hh">
+		<ul class="nav nav-tabs">
+			<li class="nav-item">
+				<a class="nav-link" href="debug.php?show=printer_settings" id="printer_settings_tab">Druckereinstellungen</a>
+			</li>
+			<li class="nav-item">
+				<a class="nav-link" href="debug.php?show=camera_settings" id="camera_settings_tab">Kameraeinstellungen</a>
+			</li>
+			<li class="nav-item">
+				<a class="nav-link" href="debug.php?show=class_settings" id="class_settings_tab">Klasseneinstellungen</a>
+			</li>
+			<li class="nav-item">
+				<a class="nav-link" href="debug.php?show=filament_settings" id="filament_settings_tab">Filamenteinstellungen</a>
+			</li>
+
+			 <li class="nav-item">
+                                <a class="nav-link" href="debug.php?show=srv_stats" id="srv_stats_tab">Serverstatistiken</a>
+                        </li>
+			 <li class="nav-item">
+                                <a class="nav-link" href="debug.php?show=usr_fil_stats" id="usr_fil_stats_tab">Benutzer-Filament Statistik</a>
+                        </li>
+		</ul>
+		<div id="printer_settings" style="display:none">
 	      <h1>Druckerfreigabe erzwingen (falls beim freigeben Fehlermeldungen angezeigt werden)</h1>
 				<?php
 					if(isset($_POST['free']))
@@ -128,16 +151,17 @@ function delete_input(input,action,id,row){
 						mysqli_stmt_fetch($stmt);
 
 						if($system_status==0)
-							echo("<tr><td>$printer_id</td><td><form method='POST' action='?free=$printer_id'><button type='submit' value='free'  name='free' class='btn btn-dark'>Free</button></form></td><td><a href='debug.php?update_status=$printer_id&status=1' class='btn btn-danger'>Status auf kaputt setzen</a></td></tr>");
+							echo("<tr><td>$printer_id</td><td><form method='POST' action='?free=$printer_id&show=$tab'><button type='submit' value='free'  name='free' class='btn btn-dark'>Free</button></form></td><td><a href='debug.php?update_status=$printer_id&status=1&show=$tab' class='btn btn-danger'>Status auf kaputt setzen</a></td></tr>");
 						else
-							echo("<tr><td>$printer_id</td><td><form method='POST' action='?free=$printer_id'><button type='submit' value='free'  name='free' class='btn btn-dark'>Free</button></form></td><td><a href='debug.php?update_status=$printer_id&status=0' class='btn btn-success'>Status auf bereit setzen</a></td></tr>");
+							echo("<tr><td>$printer_id</td><td><form method='POST' action='?free=$printer_id&show=$tab'><button type='submit' value='free'  name='free' class='btn btn-dark'>Free</button></form></td><td><a href='debug.php?update_status=$printer_id&status=0&show=$tab' class='btn btn-success'>Status auf bereit setzen</a></td></tr>");
 						$cnt--;
 					}
 					echo("</tbody></table></div></div></div></div>");
 				?>
 				<br><br>
 
-
+			</div>
+			<div id="camera_settings" style="display:none">
 			<!-- Rotation der Druckerkameras: -->
 			<h1>Rotation der Druckerkameras</h1>
 			<?php
@@ -177,7 +201,8 @@ function delete_input(input,action,id,row){
 				}
 				echo("</tbody></table></div></div></div>");
 			?>
-			<br><br>
+			</div></div>
+			<div id="class_settings" style="display:none">
 			<h1>Klassen</h1>
 			<?php
 				
@@ -194,7 +219,7 @@ function delete_input(input,action,id,row){
 					echo("<div class='container'><div class='row'><div class='col'><div class='overflow-auto'><table class='table' id='table2'><thead><tr><th>Klasse</th><th>Hinzufügen/Löschen</th></tr></thead><tbody>");
 					
 					//form to add a color
-					echo("<form action='debug.php?action=add_class' method='post'>");
+					echo("<form action='debug.php?action=add_class&show=$tab' method='post'>");
 						echo("<td><input type='text' placeholder='Klasse' name='class_name' required></input></td>");
 						echo("<td><button type='submit' value='add' class='btn btn-primary'>Hinzufügen</button></td>");
 					echo("</form>");
@@ -226,7 +251,8 @@ function delete_input(input,action,id,row){
 					echo("</div>");
 
 			?>
-				
+				</div>
+				<div id="filament_settings" style="display:none">
 				<h1>Filamente</h1>
 				<?php
 					//list printers => form => color
@@ -243,7 +269,7 @@ function delete_input(input,action,id,row){
 					echo("<div class='container'><div class='row'><div class='col'><div class='overflow-auto'><table class='table' id='table1'><thead><tr><th>Filamente</th><th>Farbe</th><th>Hinzufügen/Löschen</th></tr></thead><tbody>");
 					
 					//form to add a color
-					echo("<form action='debug.php?action=add_filament' method='post'>");
+					echo("<form action='debug.php?action=add_filament&show=$tab' method='post'>");
 						echo("<td><input type='number' placeholder='Filament id' name='filament_id' required></input></td>");
 						echo("<td><input type='text' placeholder='filament  Farbe' name='filament_name' required></input></td>");
 						echo("<td><button type='submit' value='add' class='btn btn-primary'>Hinzufügen</button></td>");
@@ -274,8 +300,91 @@ function delete_input(input,action,id,row){
 					}
 					echo("</tbody></table></div></div></div>");
 					echo("</div>");
-				
 				?>
+				</div>
+
+				<div id="srv_stats" style="display:none">
+					<div class="container my-5">
+       					 	<h1 class="text-center mb-4">Server Stats</h1>
+       				 		<div id="stats" class="row text-center">
+        			    			<!-- Stats will be dynamically loaded here via AJAX -->
+        					</div>
+				    	</div>
+
+   					<script>
+       						function refreshStats() {
+            						$.ajax({
+               							url: "/api/server_stats.php", // Load from server_stats.php, which includes auth and stats
+                						method: "GET",
+        			        			success: function (data) {
+        								$("#stats").html(data);
+        				        		}
+     							});
+        					}
+					    refreshStats();
+
+    					    setInterval(refreshStats, 1000);
+    					</script>
+				</div>
+				<div id="usr_fil_stats" style="display:none">
+					<h1 class="text-center mb-4">Genutztes Filament nach Nutzer</h1>
+					<form action="debug.php?show=usr_fil_stats" method="POST">
+						<input type="text" class="form-control flex-grow-1 mr-2" name="username" placeholder="Benutzername eingeben" >
+            					<button type="submit" class="btn btn-primary">Suchen</button>
+					</form>
+					<br>
+					<a class="btn btn-primary" href="debug.php?show=usr_fil_stats&high_usage">Nutzer mit mehr als 1 Kg nutzung anzeigen</a>
+					<!-- list users -->
+					<?php
+						if(isset($_GET["reset"])){
+							$usr_id=intval(htmlspecialchars($_GET["reset"]));
+							$sql="update users set filament_usage = 0 where id = $usr_id";
+							$stmt = mysqli_prepare($link, $sql);
+                                                        mysqli_stmt_execute($stmt);
+							$stmt->close();
+						}
+						if(isset($_GET["high_usage"]))
+							$sql="select username, id, filament_usage from users where filament_usage > 800 ORDER BY filament_usage DESC";
+						if(isset($_POST["username"])){
+							$username_search=htmlspecialchars($_POST["username"]);
+							$sql="select username, id, filament_usage from users where username LIKE '%$username_search%' ORDER BY filament_usage DESC";
+						}
+						if(isset($_GET["high_usage"]) or isset($_POST["username"])){
+							//list users
+							$usr_username="";
+							$usr_id="";
+							$usr_filament_usage="";
+							$stmt = mysqli_prepare($link, $sql);
+							mysqli_stmt_execute($stmt);
+							mysqli_stmt_store_result($stmt);
+							mysqli_stmt_bind_result($stmt, $usr_username, $usr_id,$usr_filament_usage);
+
+							echo "<h2>Suchergebnisse</h2>";
+							echo "<table class='table' style='overflow-x: auto'>
+        							<tr>
+        							    <th>Username</th>
+								    <th>Filament nutzung</th>
+       								    <th>Nutzung zurücksetzen</th>
+								</tr>";
+
+							if (mysqli_stmt_num_rows($stmt) > 0) {
+							    while (mysqli_stmt_fetch($stmt)) {
+								$real_usage=(($usr_filament_usage*1.24)/1000);
+        							echo "<tr>
+                							<td>{$usr_username}</td>
+									<td>{$real_usage} Kg</td>
+									<td><a href='debug.php?show=usr_fil_stats&reset={$usr_id}'>Zurücksetzen</a></td>
+              							</tr>";
+    							    }
+							} else {
+    								echo "<tr><td colspan='2'>No users found.</td></tr>";
+							}
+
+							echo "</table>";
+						}
+
+					?>
+				</div>
 				<?php
 					test_queue($link);
 				?>
@@ -284,6 +393,18 @@ function delete_input(input,action,id,row){
 	  </div>
 	</div>
 	<div id="footer"></div>
+<script>
+	//decide which div should be shown:
+    // Get the URL parameters
+    const queryString = window.location.search;
+    const urlParams = new URLSearchParams(queryString);
+
+    // Get the value of the "show" parameter
+    const show_div = document.getElementById(urlParams.get('show'));
+	const nav_tab = document.getElementById(urlParams.get('show')+"_tab");
+	show_div.style.display="block";
+	nav_tab.setAttribute('class', 'nav-link active');
+</script>
 </body>
 
 </html>

sys0-code/app/load.php

@@ -1,38 +0,0 @@
-<!DOCTYPE html>
-<html lang="en">
-<head>
-<meta charset="UTF-8">
-<meta name="viewport" content="width=device-width, initial-scale=1.0">
-<title>Server Stats</title>
-</head>
-<body>
-<div id="stats"></div>
-<script>
-function refreshStats() {
-    location.reload();
-}
-
-// Refresh stats every 1 second
-setInterval(refreshStats, 1000);
-
-</script>
-<?php
-
-// Get server load
-$load = sys_getloadavg();
-
-// Get CPU usage
-$cpu_usage = shell_exec("top -bn1 | grep 'Cpu(s)' | sed 's/.*, *\\([0-9.]*\\)%* id.*/\\1/' | awk '{print 100 - $1\"%\"}'");
-
-// Get RAM usage
-$ram_usage = shell_exec("free | grep Mem | awk '{print $3/$2 * 100.0\"%\"}'");
-
-// Display results
-echo "Server Load: " . implode(", ", $load) . "<br>";
-echo "CPU Usage: " . $cpu_usage . "<br>";
-echo "RAM Usage: " . $ram_usage . "<br>";
-
-?>
-
-</body>
-</html>

sys0-code/app/overview.php

@@ -121,6 +121,7 @@ function load_user()
                                 <?php
                                         if(isset($_GET['free'])&&$_GET["rid"]==($_SESSION["rid"]-1))
                                         {
+						$cnt="";
                                                 $printer_id=htmlspecialchars($_GET['free']);
                                                 $sql="select used_by_userid from printer where id=$printer_id";
                                                 $stmt = mysqli_prepare($link, $sql);
@@ -131,6 +132,32 @@ function load_user()
                                                 $sql="update printer set free=1,printing=0,cancel=0 ,used_by_userid=0 where id=$printer_id";
                                                 $stmt = mysqli_prepare($link, $sql);
                                                 mysqli_stmt_execute($stmt);
+						//try to find out how much filament was used
+						$stmt->close();
+						//load apikey etc
+						$url="";
+						$apikey="";
+						$sql="select printer_url,apikey from printer where id=$printer_id";
+						$stmt = mysqli_prepare($link, $sql);
+                                                mysqli_stmt_execute($stmt);
+                                                mysqli_stmt_store_result($stmt);
+                                                mysqli_stmt_bind_result($stmt, $url,$apikey);
+                                                mysqli_stmt_fetch($stmt);
+						$stmt->close();
+						//connect to the printer
+						exec("curl --max-time 10 $url/api/job?apikey=$apikey > /var/www/html/user_files/$username/finish.json");
+						$fg=file_get_contents("/var/www/html/user_files/$username/finish.json");
+                                                $json=json_decode($fg,true);
+						$userid=$_SESSION["id"];
+						if(isset($json['job']['filament']['tool0']['volume'])){
+							$filament_usage=intval($json['job']['filament']['tool0']['volume']);
+							$sql="UPDATE users SET filament_usage = COALESCE(filament_usage,0) + $filament_usage WHERE id = $cnt";
+							//echo($sql);
+							$stmt = mysqli_prepare($link, $sql);
+                                                	mysqli_stmt_execute($stmt);
+						}
+						
+						//echo("used $filament_usage mm of filament");
                                         }
                                         if(isset($_GET['remove_queue'])&&$_GET["rid"]==($_SESSION["rid"]-1))
                                         {

sys0-code/app/print.php

@@ -373,7 +373,7 @@ function is_time_between($startTime, $endTime, $checkTime) {
 							<?php
 							//get number of printers
 							$num_of_printers=0;
-							$sql="select count(*) from printer where free=1";
+							$sql="select count(*) from printer where free=1 and system_status=0";
 							$stmt = mysqli_prepare($link, $sql);
 							mysqli_stmt_execute($stmt);
 							mysqli_stmt_store_result($stmt);
@@ -437,7 +437,7 @@ function is_time_between($startTime, $endTime, $checkTime) {
 								
 								//get number of printers
 								$num_of_printers=0;
-								$sql="select count(*) from printer";
+								$sql="select count(*) from printer where system_status=0";
 								$stmt = mysqli_prepare($link, $sql);
 								mysqli_stmt_execute($stmt);
 								mysqli_stmt_store_result($stmt);

sys0-code/app/reservations.php

@@ -111,6 +111,16 @@ if(isset($_GET["del"])){
 				        while($row = $result->fetch_assoc()) {
 				        	echo("<tr><td>".$row["time_from"]."</td><td>".$row["time_to"]."</td><td>".$row["day"]."</td><td>".$row["name"]."</td><td><a href='reservations.php?del=".$row["res_id"]."'>Löschen</a></td><tr>");
 				        }
+					$stmt->close();
+					//check if is set for teachers, which do not have a class but always id 0
+					$sql="select reservations.id as res_id,time_to,time_from,day from reservations WHERE for_class=0 ORDER BY reservations.id desc;";
+					$stmt = $link->prepare($sql);
+                                        $stmt->execute();
+                                        $result = $stmt->get_result();
+					while($row = $result->fetch_assoc()) {
+						echo("<tr><td>".$row["time_from"]."</td><td>".$row["time_to"]."</td><td>".$row["day"]."</td><td>Lehrer</td><td><a href='reservations.php?del=".$row["res_id"]."'>Löschen</a></td><tr>");
+					}
+
 					echo("</table>");
 				
 				?>

sys0-code/app/view_log.php

@@ -38,7 +38,7 @@ $(document).ready(function () {
         <div class="col-md-auto">
             <h1>Log Entries</h1>
 
-            <!-- Filter Form -->
+            <!-- Search Form -->
             <div class="overflow-auto">
                 <form method="GET" action="">
                     <table class="table">
@@ -51,50 +51,38 @@ $(document).ready(function () {
                             <th>Info</th>
                         </tr>
                         <tr>
-                            <td>---</td>
                             <td>---</td>
                             <td>
-                                <select class="form-select" name="type_">
-                                    <option value="All_types">All Types</option>
-                                    <option value="PRINT::UPLOAD::PRINTER">PRINT::UPLOAD::PRINTER</option>
-                                    <option value="PRINT:JOB:START:FAILED">PRINT:JOB:START:FAILED</option>
-                                    <option value="PRINT::UPLOAD::QUEUE">PRINT::UPLOAD::QUEUE</option>
-                                    <option value="PRINT::UPLOAD::FILE::FAILED">PRINT::UPLOAD::FILE::FAILED</option>
-                                    <option value="JOB::PRINTERCTRL::FREE">JOB::PRINTERCTRL::FREE</option>
-                                    <option value="JOB::QUEUECTRL::REMOVE">JOB::QUEUECTRL::REMOVE</option>
-                                    <option value="JOB::PRINTERCTRL::CANCEL::FAILED">JOB::PRINTERCTRL::CANCEL::FAILED</option>
-                                    <option value="JOB::PRINTERCTRL::CANCEL">JOB::PRINTERCTRL::CANCEL</option>
-                                </select>
+                                <!-- Search by IP Address -->
+                                <input type="text" class="form-control" name="search_ip" value="<?= isset($_GET['search_ip']) ? htmlspecialchars($_GET['search_ip']) : '' ?>" placeholder="Search IP...">
                             </td>
                             <td>
-                                <select class="form-select" id="username" name="username">
-                                    <option value="All_usernames">All Users</option>
-                                    <?php
-                                    // Fetch all usernames in one query
-                                    $sql = "SELECT username FROM users ORDER BY username ASC";
-                                    $stmt = mysqli_prepare($link, $sql);
-                                    mysqli_stmt_execute($stmt);
-                                    mysqli_stmt_bind_result($stmt, $uname);
-
-                                    // Populate the dropdown with usernames
-                                    while (mysqli_stmt_fetch($stmt)) {
-                                        echo '<option value="' . htmlspecialchars($uname) . '">' . htmlspecialchars($uname) . '</option>';
-                                    }
-                                    mysqli_stmt_close($stmt);
-                                    ?>
-                                </select>
+                                <!-- Search by Type -->
+                                <input type="text" class="form-control" name="search_type" value="<?= isset($_GET['search_type']) ? htmlspecialchars($_GET['search_type']) : '' ?>" placeholder="Search Type...">
                             </td>
                             <td>
-                                <button type="submit" class="btn btn-primary">Apply Filter</button>
+                                <!-- Search by Username -->
+                                <input type="text" class="form-control" name="search_username" value="<?= isset($_GET['search_username']) ? htmlspecialchars($_GET['search_username']) : '' ?>" placeholder="Search Username...">
+                            </td>
+                            <td>
+                                <!-- Search by Info -->
+                                <input type="text" class="form-control" name="search_info" value="<?= isset($_GET['search_info']) ? htmlspecialchars($_GET['search_info']) : '' ?>" placeholder="Search Info...">
+                            </td>
+                        </tr>
+                        <tr>
+                            <td colspan="5">
+                                <button type="submit" class="btn btn-primary">Search</button>
                             </td>
                         </tr>
                         </thead>
                         <tbody>
 
                         <?php
-                        // Define default filters
-                        $type_filter = isset($_GET["type_"]) ? $_GET["type_"] : "All_types";
-                        $user_filter = isset($_GET["username"]) ? $_GET["username"] : "All_usernames";
+                        // Retrieve search terms from GET parameters
+                        $search_ip = isset($_GET['search_ip']) ? $_GET['search_ip'] : '';
+                        $search_type = isset($_GET['search_type']) ? $_GET['search_type'] : '';
+                        $search_username = isset($_GET['search_username']) ? $_GET['search_username'] : '';
+                        $search_info = isset($_GET['search_info']) ? $_GET['search_info'] : '';
 
                         // Pagination variables
                         $items_per_page = 25;
@@ -126,11 +114,13 @@ $(document).ready(function () {
                         // Reverse the log entries to display the latest first
                         $log_entries = array_reverse($log_entries);
 
-                        // Filter log entries by type and username
-                        $filtered_entries = array_filter($log_entries, function ($entry) use ($type_filter, $user_filter) {
-                            $type_match = ($type_filter === "All_types" || $entry['type'] === $type_filter);
-                            $user_match = ($user_filter === "All_usernames" || $entry['username'] === $user_filter);
-                            return $type_match && $user_match;
+                        // Filter log entries by search terms (partial matches)
+                        $filtered_entries = array_filter($log_entries, function ($entry) use ($search_ip, $search_type, $search_username, $search_info) {
+                            $ip_match = empty($search_ip) || stripos($entry['ip'], $search_ip) !== false;
+                            $type_match = empty($search_type) || stripos($entry['type'], $search_type) !== false;
+                            $username_match = empty($search_username) || stripos($entry['username'], $search_username) !== false;
+                            $info_match = empty($search_info) || stripos($entry['info'], $search_info) !== false;
+                            return $ip_match && $type_match && $username_match && $info_match;
                         });
 
                         // Calculate total pages and slice the log entries for the current page
@@ -163,19 +153,19 @@ $(document).ready(function () {
                     <ul class="pagination justify-content-center">
                         <?php if ($current_page > 1): ?>
                             <li class="page-item">
-                                <a class="page-link" href="?page=<?= $current_page - 1 ?>&type_=<?= urlencode($type_filter) ?>&username=<?= urlencode($user_filter) ?>">Previous</a>
+                                <a class="page-link" href="?page=<?= $current_page - 1 ?>&search_ip=<?= urlencode($search_ip) ?>&search_type=<?= urlencode($search_type) ?>&search_username=<?= urlencode($search_username) ?>&search_info=<?= urlencode($search_info) ?>">Previous</a>
                             </li>
                         <?php endif; ?>
 
                         <?php for ($page = 1; $page <= $total_pages; $page++): ?>
                             <li class="page-item <?= ($page === $current_page) ? 'active' : '' ?>">
-                                <a class="page-link" href="?page=<?= $page ?>&type_=<?= urlencode($type_filter) ?>&username=<?= urlencode($user_filter) ?>"><?= $page ?></a>
+                                <a class="page-link" href="?page=<?= $page ?>&search_ip=<?= urlencode($search_ip) ?>&search_type=<?= urlencode($search_type) ?>&search_username=<?= urlencode($search_username) ?>&search_info=<?= urlencode($search_info) ?>"><?= $page ?></a>
                             </li>
                         <?php endfor; ?>
 
                         <?php if ($current_page < $total_pages): ?>
                             <li class="page-item">
-                                <a class="page-link" href="?page=<?= $current_page + 1 ?>&type_=<?= urlencode($type_filter) ?>&username=<?= urlencode($user_filter) ?>">Next</a>
+                                <a class="page-link" href="?page=<?= $current_page + 1 ?>&search_ip=<?= urlencode($search_ip) ?>&search_type=<?= urlencode($search_type) ?>&search_username=<?= urlencode($search_username) ?>&search_info=<?= urlencode($search_info) ?>">Next</a>
                             </li>
                         <?php endif; ?>
                     </ul>

sys0-code/app/webcam.php

@@ -1,26 +1,42 @@
 <!DOCTYPE html>
 <html>
 	<?php
-		$username=htmlspecialchars($_GET["username"]);
-		$printer_url=$_GET["url"];
-		$rotation=$_GET["rotation"];
+		$username = htmlspecialchars($_GET["username"]);
+		$printer_url = $_GET["url"];
+		$rotation = $_GET["rotation"];
 	?>
 	<head>
-	  <title>Webcam</title>
-	
+		<title>Webcam</title>
 	</head>
 	<body>
-		<?php
-			$path = "/var/www/html/user_files/$username/$printer_url.jpeg";
-			unlink($path);			
-			exec("wget --quiet \"http://$printer_url/webcam/?action=snapshot\" -O $path");
-			echo("<img style='transform: rotate(".$rotation."deg);' loading='lazy' width='100%' src='/user_files/$username/$printer_url.jpeg'>");
-		?>
+		<!-- Display the first image -->
+		<a id="image-link" href='<?php echo("webcam.php?username=$username&url=$printer_url&rotation=$rotation"); ?>' target="_blank">
+			<img id="webcam-image" style="transform: rotate(<?php echo $rotation; ?>deg);" width="100%" src="/user_files/<?php echo $username; ?>/<?php echo $printer_url; ?>.jpeg" alt="Webcam Feed">
+		</a>
 		<script>
-			setInterval(function() {
-   			 location.reload();
-			}, 5000);
+			// Function to call PHP script to download the latest image and then swap it
+			function loadAndSwapImage() {
+				// Make an AJAX call to PHP to trigger the image download
+				let xhr = new XMLHttpRequest();
+				xhr.open('GET', '/api/download_image.php?username=<?php echo $username; ?>&url=<?php echo $printer_url; ?>', true);
+				xhr.onload = function() {
+					if (xhr.status === 200) {
+						// Preload the new image once the PHP script has completed downloading
+						let img = new Image();
+						img.src = '/user_files/<?php echo $username; ?>/<?php echo $printer_url; ?>.jpeg?rand=' + Math.random(); // Add cache buster to avoid caching issues
+
+						// Swap the image when it is loaded
+						img.onload = function() {
+							let webcamImage = document.getElementById('webcam-image');
+							webcamImage.src = img.src;
+						}
+					}
+				};
+				xhr.send(); // Execute the request
+			}
+
+			// Reload the image every 5 seconds
+			setInterval(loadAndSwapImage, 5000);
 		</script>
 	</body>
-
 </html>

sys0-code/assets/php/user_page.php

@@ -20,6 +20,8 @@
 		var tel_id=a.checked;
 		fetch("/api/update_settings.php?"+div_id+"="+tel_id);
 	}
+	//check if sendmail must be executed
+	fetch("/api/sendmail.php");
   </script>
 
 	<style>
@@ -205,7 +207,7 @@
 											<i class="fa-solid fa-file fa-6x justify-content-center"></i>
 										</div>
 										<div class="card-body">
-											<h5 class="card-title">View system0 Log</h5>
+											<h5 class="card-title">System0 Protokoll ansehen</h5>
 											<p class="card-text">Zeigen Sie das Protokoll der Systemaktivitäten und -ereignisse an.</p>
 											<a href="/app/view_log.php" class="stretched-link"></a>
 										</div>
@@ -220,7 +222,7 @@
 											<i class="fa-solid fa-key fa-6x justify-content-center"></i>
 										</div>
 										<div class="card-body">
-											<h5 class="card-title">View the system0 API Key</h5>
+											<h5 class="card-title">System0 APIkey ansehen</h5>
 											<p class="card-text">Zeigen Sie den API-Schlüssel an, der für den Zugriff auf die Systemfunktionalitäten verwendet wird.</p>
 											<a href="/app/view_apikey.php" class="stretched-link"></a>
 										</div>
@@ -235,9 +237,9 @@
 											<i class="fa-solid fa-print fa-6x justify-content-center"></i>
 										</div>
 										<div class="card-body">
-											<h5 class="card-title">Drucker Einstellungen</h5>
+											<h5 class="card-title">Einstellungen & Statistiken</h5>
 											<p class="card-text">Hier findest du das Debug-Tool und die Einstellungen.</p>
-											<a href="/app/debug.php" class="stretched-link"></a>
+											<a href="/app/debug.php?show=printer_settings" class="stretched-link"></a>
 										</div>
 
 									</div>

sys0-code/install/create_db.php

@@ -28,7 +28,8 @@ $sql = "CREATE TABLE IF NOT EXISTS users (
 	notification_way INT,
 	notification_mail INT,
 	notification_telegram INT,
- 	class_id INT
+ 	class_id INT,
+	filament_usage INT
 	)";
 $link->query($sql);
 //printer table

sys0-code/login/login.php

@@ -17,11 +17,9 @@ require_once "../waf/salt.php";
 require_once "keepmeloggedin.php";
 include "../assets/components.php";
 $error=logmein($link);
-
 if($error==="success")
 {
         header("LOCATION: /app/overview.php");
-
 }
 
 // Define variables and initialize with empty values
@@ -60,40 +58,39 @@ EOF;
 		}
 // Processing form data when form is submitted
 if($_SERVER["REQUEST_METHOD"] == "POST" and $_GET["action"]=="login"){
- 
+
     // Check if username is empty
     if(empty(trim($_POST["username"]))){
         $username_err = "Please enter username.";
     } else{
         $username = trim($_POST["username"]);
     }
-    
+
     // Check if password is empty
     if(empty(trim($_POST["password"]))){
         $password_err = "Please enter your password.";
     } else{
         $password = trim($_POST["password"]);
     }
-    
+
     // Validate credentials
     if(empty($username_err) && empty($password_err)){
         // Prepare a select statement
         $sql = "SELECT id, username, password, role, color,banned,banned_reason ,telegram_id,notification_telegram,notification_mail, class_id FROM users WHERE username = ?";
-        
+
         if($stmt = mysqli_prepare($link, $sql)){
             // Bind variables to the prepared statement as parameters
             mysqli_stmt_bind_param($stmt, "s", $param_username);
-            
             // Set parameters
             $param_username = htmlspecialchars($username);
-            
+
             // Attempt to execute the prepared statement
             if(mysqli_stmt_execute($stmt)){
                 // Store result
                 mysqli_stmt_store_result($stmt);
-                
+
                 // Check if username exists, if yes then verify password
-                if(mysqli_stmt_num_rows($stmt) == 1){                    
+                if(mysqli_stmt_num_rows($stmt) == 1){
                     // Bind result variables
                     mysqli_stmt_bind_result($stmt, $id, $username, $hashed_password, $role,$color,$banned,$banned_reason,$telegram_id,$notification_telegram,$notification_mail,$class_id);
                     if(mysqli_stmt_fetch($stmt)){
@@ -137,8 +134,8 @@ if($_SERVER["REQUEST_METHOD"] == "POST" and $_GET["action"]=="login"){
 				    $_SESSION["telegram_id"]=$telegram_id;
 				    $_SESSION["notification_telegram"]=$notification_telegram;
 				    $_SESSION["notification_mail"]=$notification_mail;
-					$_SESSION["class_id"]=$class_id;
-				
+				    $_SESSION["class_id"]=$class_id;
+
 		                    // Redirect user to welcome page
 		                        log_("$username logged in","LOGIN:SUCCESS");
 		                        header("location:/app/overview.php");
@@ -168,13 +165,12 @@ if($_SERVER["REQUEST_METHOD"] == "POST" and $_GET["action"]=="login"){
             mysqli_stmt_close($stmt);
         }
     }
-    
+
     // Close connection
     mysqli_close($link);
 }
 // Processing form data when form is submitted and user wants to create new user
 if($_SERVER["REQUEST_METHOD"] == "POST" and $_GET["action"]=="create_user"){
- 
     // Validate username
     if(empty(trim($_POST["username"]))){
         $err = "Please enter a username.";
@@ -183,19 +179,17 @@ if($_SERVER["REQUEST_METHOD"] == "POST" and $_GET["action"]=="create_user"){
     } else{
         // Prepare a select statement
         $sql = "SELECT id FROM users WHERE username = ?";
-        
+
         if($stmt = mysqli_prepare($link, $sql)){
             // Bind variables to the prepared statement as parameters
             mysqli_stmt_bind_param($stmt, "s", $param_username);
-            
+
             // Set parameters
             $param_username = trim($_POST["username"]);
-            
             // Attempt to execute the prepared statement
             if(mysqli_stmt_execute($stmt)){
                 /* store result */
                 mysqli_stmt_store_result($stmt);
-                
                 if(mysqli_stmt_num_rows($stmt) == 1){
                     $err = "This username is already taken.";
                 } else{
@@ -209,7 +203,7 @@ if($_SERVER["REQUEST_METHOD"] == "POST" and $_GET["action"]=="create_user"){
             mysqli_stmt_close($stmt);
         }
     }
-    
+
     // Validate password
     if(empty(trim($_POST["password"]))){
         $err = "Please enter a password.";