fixing some bugs in uploader

sys0-code/api/uploader/cloudprint.php

@@ -6,5 +6,9 @@
         }
         $username=$_SESSION["username"];
         $path = "/var/www/html/user_files/$username/";
+	$public_path = "/var/www/html/user_files/public/";
+	if($_GET["pc"]=="1")
+        	$_SESSION["current_file"]=$public_path.$_GET["file"];
+	else
 		$_SESSION["current_file"]=$path.$_GET["file"];
 ?>

sys0-code/api/uploader/image_preview.php

@@ -7,8 +7,10 @@ session_start();
             exit;
         }
 $username=$_SESSION["username"];
+if($_GET["pc"]=="1")
+	echo(get_base64_preview("/var/www/html/user_files/public/".$_GET["file"]));
+else
 	echo(get_base64_preview("/var/www/html/user_files/$username/".$_GET["file"]));
-
 function get_base64_preview($filename){
                 $base64="";
                 $file=fopen($filename,"r");

sys0-code/app/overview.php

@@ -469,43 +469,68 @@ document.addEventListener('DOMContentLoaded', () => {
 
 	<center><h3>Warteschlange</h3></center>
         <?php
+		
 		$userid = $_SESSION["id"];
 		$cnt = 0;
-                $filepath="";
+		$sql = "SELECT COUNT(*) FROM queue";
-                $sql="select count(*) from queue";
+
 		$stmt = mysqli_prepare($link, $sql);
 		mysqli_stmt_execute($stmt);
-                mysqli_stmt_store_result($stmt);
 		mysqli_stmt_bind_result($stmt, $cnt);
 		mysqli_stmt_fetch($stmt);
-                //echo($cnt);
+		mysqli_stmt_close($stmt);
-                echo("<div class='container'><div class='row'><div class='col'><div class='overflow-auto'><table class='table'><thead><tr><th>Datei</th><th>Drucken auf Drucker</th><th>aus der Warteschlange entfernen</th></tr></thead><tbody>");
+
 		$last_id = 0;
-                $form_userid=0;
+
-                $print_on=0;
+		echo "<div class='container'><div class='row'><div class='col'><div class='overflow-auto'>
-                while($cnt!=0)
+			<table class='table'>
-                {
+				<thead>
-                        $sql="select id,filepath,from_userid,print_on from queue where id>$last_id order by id";
+					<tr>
-                        $cancel=0;
+					    <th>Datei</th>
+					    <th>Drucken auf Drucker</th>
+					    <th>Auftrag von</th>
+					    <th>Aus der Warteschlange entfernen</th>
+					</tr>
+				</thead>
+			<tbody>";
+
+		while ($cnt > 0) {
+		    $sql = "SELECT q.id, q.filepath, q.from_userid, q.print_on, u.username 
+		            FROM queue q 
+		            JOIN users u ON q.from_userid = u.id 
+		            WHERE q.id > ? 
+		            ORDER BY q.id LIMIT 1";
+
 		    $stmt = mysqli_prepare($link, $sql);
-                        echo mysqli_error($link);
+		    mysqli_stmt_bind_param($stmt, "i", $last_id);
 		    mysqli_stmt_execute($stmt);
-                        mysqli_stmt_store_result($stmt);
+		    mysqli_stmt_bind_result($stmt, $queue_id, $filepath, $from_userid, $print_on, $from_user);
-                        mysqli_stmt_bind_result($stmt, $queue_id,$filepath,$from_userid,$print_on);
 		    mysqli_stmt_fetch($stmt);
+		    mysqli_stmt_close($stmt);
+
+		    if (!$queue_id) break; // Exit if no more entries
+
 		    $filepath = basename($filepath);
 		    $last_id = $queue_id;
-                        echo("<tr><td>$filepath</td>");
+
-                        if($print_on==-1)
+		    echo "<tr>
-                                echo("<td>Erster verfügbarer Drucker</td>");
+		            <td>{$filepath}</td>
-                        else
+		            <td>" . ($print_on == -1 ? "Erster verfügbarer Drucker" : htmlspecialchars($print_on)) . "</td>
-                                echo("<td>$print_on</td>");
+		            <td>{$from_user}</td>";
-                        if($_SESSION["role"][3]==="1" or $_SESSION["id"]==$from_userid)
+    
-                                echo("<td><form method='POST' action='?remove_queue=$queue_id&rid=".$_SESSION["rid"]."'><button type='submit' value='remove'  name='remove' class='btn btn-danger'>Löschen</button></form></td></tr>");
+		    if ($_SESSION["role"][3] === "1" || $_SESSION["id"] == $from_userid) {
+		        echo "<td>
+		                <form method='POST' action='?remove_queue={$queue_id}&rid={$_SESSION["rid"]}'>
+		                    <button type='submit' name='remove' class='btn btn-danger'>Löschen</button>
+		                </form>
+	              </td>";
+		    }
+		    echo "</tr>";
     
 		    $cnt--;
 		}
-                echo("</tbody></table></div></div></div></div>");
+
+		echo "</tbody></table></div></div></div></div>";
         ?>
 
 <?php

sys0-code/app/print.php

@@ -32,7 +32,7 @@
 		<?php
                 	if(isset($_GET["cloudprint"])){
 				echo("<script>let cloudprint=1;</script>");
-				echo '<script>fetch("/api/uploader/image_preview.php?file='.$_GET["cloudprint"].'").then(res => res.text()).then(data => document.getElementById("preview").src = "data:image/png;base64," + data).catch(err => console.error("Error:", err));</script>';
+				echo '<script>fetch("/api/uploader/image_preview.php?file='.$_GET["cloudprint"].'&pc='.isset($_GET["pc"]).'").then(res => res.text()).then(data => document.getElementById("preview").src = "data:image/png;base64," + data).catch(err => console.error("Error:", err));</script>';
 			}else{
 				echo("<script>let cloudprint=0;</script>");
 			}
@@ -96,6 +96,9 @@
 						if(item.error_status==0){
 						if(item.free==1){
                 					option.textContent = `Drucker ${item.id} - ${item.color}`;
+							if(preselectId==null){
+                                                                option.selected="true";
+                                                        }
                 				}else{
 							option.textContent = `Drucker ${item.id} - ${item.color} - Warteschlange`;
 						}
@@ -108,6 +111,44 @@
         				})
         			.catch(error => console.error("Error fetching data:", error));
 			});
+			async function reload_printer_selection(){
+				document.getElementById("selectOption").innerHTML = "";
+				const selectElement = document.getElementById("selectOption");
+                                const apiUrl = "/api/uploader/fetch_printers.php"; // Replace with your actual API URL
+                                function getUrlParam(name) {
+                                        const urlParams = new URLSearchParams(window.location.search);
+                                        return urlParams.get(name);
+                                }
+
+                                const preselectId = getUrlParam("preselect"); // Get "preselect" value from URL
+				const option_1 = document.createElement("option");
+				option_1.value = "not_set";
+				option_1.textContent = "Bitte wähle einen Drucker";
+				selectElement.appendChild(option_1);
+                                fetch(apiUrl)
+                                        .then(response => response.json())
+                                        .then(data => {
+                                            data.forEach(item => {
+                                                const option = document.createElement("option");
+                                                option.value = item.id;
+                                                if(item.error_status==0){
+                                                if(item.free==1){
+                                                        option.textContent = `Drucker ${item.id} - ${item.color}`;
+							if(preselectId==null){
+								option.selected="true";
+							}
+                                                }else{
+                                                        option.textContent = `Drucker ${item.id} - ${item.color} - Warteschlange`;
+                                                }
+                                                if (item.id == preselectId) {
+                                                    option.selected = true;
+                                                }
+                                                selectElement.appendChild(option);
+                                                }
+                                            });
+                                        })
+                                .catch(error => console.error("Error fetching data:", error));
+			}
 			async function start_upload(use_checks){
 				document.getElementById("close_progress_modal2").click();
 				//main function handles the steps from user pressing upload button via checking params to starting job via api
@@ -142,7 +183,7 @@
 					}
 				}else{
 					//just tell the server what the file is.
-					await fetch("/api/uploader/cloudprint.php?file=<?php echo($_GET['cloudprint']); ?>");
+					await fetch("/api/uploader/cloudprint.php?file=<?php echo($_GET['cloudprint']); ?>&pc=<?php echo(isset($_GET['pc'])); ?>");
 				}
 				global_error="";
 				//check if there is a reservation ongoing during this print
@@ -208,6 +249,7 @@
 					return;
 				}
 				show_close_button();
+				reload_printer_selection();
 			}
 
 			function add_circumvent_link(progressContent) {