From 42c4fb70ae69540e54352a40998298e0ff06f2c4 Mon Sep 17 00:00:00 2001
From: Janis Steiner <janis@jakach.ch>
Date: Mon, 3 Mar 2025 16:18:55 +0000
Subject: [PATCH] replacing old uploader

---
 sys0-code/api/uploader/print.php |   6 +
 sys0-code/print.php              | 385 +++++++++++++++++++++++++++++++
 2 files changed, 391 insertions(+)
 create mode 100644 sys0-code/print.php
diff --git a/sys0-code/api/uploader/print.php b/sys0-code/api/uploader/print.php
index aa1f5d9..9320b03 100644
--- a/sys0-code/api/uploader/print.php
+++ b/sys0-code/api/uploader/print.php
@@ -32,6 +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>';
 			}else{
 				echo("<script>let cloudprint=0;</script>");
 			}
@@ -53,6 +54,11 @@
 							}
                                         	?>
 					</div>
+						<?php
+							if(isset($_GET["cloudprint"])){
+								echo('<center><img  style="display:block; width:100%" id="preview"/></center>');
+							}
+						?>
 					<div class="mb-3">
 						<label for="selectOption" class="form-label">Drucker</label>
 						<select class="form-select" id="selectOption">
diff --git a/sys0-code/print.php b/sys0-code/print.php
new file mode 100644
index 0000000..9320b03
--- /dev/null
+++ b/sys0-code/print.php
@@ -0,0 +1,385 @@
+<?php
+	//auth stuff
+	session_start();
+	if(!isset($_SESSION["loggedin"]) || $_SESSION["loggedin"] !== true or $_SESSION["role"][0]!=="1"){
+	    header("location: /login/login.php");
+	    exit;
+	}
+	$username=htmlspecialchars($_SESSION["username"]);
+?>
+<!DOCTYPE html>
+<html lang="de" data-bs-theme="dark">
+	<head>
+		<meta charset="UTF-8">
+		<meta name="viewport" content="width=device-width, initial-scale=1.0">
+		<title>System0 - Print</title>
+		<?php include "../../assets/components.php"; ?>
+	</head>
+	<body>
+		<script src="/assets/js/load_page.js"></script>
+		<script>
+			function load_user()
+			{
+				$(document).ready(function(){
+					$('#content').load("/assets/php/user_page.php");
+				});
+				$(document).ready(function(){
+  					$('#footer').load("/assets/html/footer.html");
+				});
+			}
+		</script>
+		<script type='text/javascript' >load_user()</script>
+		<?php
+                	if(isset($_GET["cloudprint"])){
+				echo("<script>let cloudprint=1;</script>");
+				echo '<script>fetch("/api/uploader/image_preview.php?file='.$_GET["cloudprint"].'").then(res => res.text()).then(data => document.getElementById("preview").src = "data:image/png;base64," + data).catch(err => console.error("Error:", err));</script>';
+			}else{
+				echo("<script>let cloudprint=0;</script>");
+			}
+		?>
+		<!-- navbar -->
+		<div id="content"></div>
+		<!-- div where all our content goes -->
+		<div style="min-height:95vh">
+			<!-- we need to show a file upload thing and offer the selectnio of printers -->
+			<div class="container mt-5 d-flex justify-content-center">
+				<form>
+					<div class="mb-3">
+						<label for="fileUpload" class="form-label">3D-Druck Datei</label>
+						<?php
+                                                	if(isset($_GET["cloudprint"])){
+                                                	        echo('<input type="text" value="'.$_GET["cloudprint"].'" class="form-control" disabled id="file_upload">');
+                                                	}else{
+								echo('<input type="file" class="form-control" accept=".gcode" id="file_upload">');
+							}
+                                        	?>
+					</div>
+						<?php
+							if(isset($_GET["cloudprint"])){
+								echo('<center><img  style="display:block; width:100%" id="preview"/></center>');
+							}
+						?>
+					<div class="mb-3">
+						<label for="selectOption" class="form-label">Drucker</label>
+						<select class="form-select" id="selectOption">
+						    <option selected value="not_set">Bitte wähle einen Drucker</option>
+						</select>
+					</div>
+					<a style="cursor: pointer" onclick="start_upload(1)" class="btn btn-secondary">Drucken</a>
+				</form>
+			</div>
+
+		</div>
+		<!-- footer -->
+		<div id="footer"></div>
+
+		<script>
+			let global_error="";
+			//js to handle backend requests
+			//load printers
+			document.addEventListener("DOMContentLoaded", function () {
+				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
+
+    				fetch(apiUrl)
+        				.then(response => response.json())
+        				.then(data => {
+        				    data.forEach(item => {
+        				        const option = document.createElement("option");
+                				option.value = item.id;
+						if(item.free==1){
+                					option.textContent = `Drucker ${item.id} - ${item.color}`;
+                				}else{
+							option.textContent = `Drucker ${item.id} - ${item.color} - Warteschlange`;
+						}
+						if (item.id == preselectId) {
+                				    option.selected = true;
+                				}
+						selectElement.appendChild(option);
+        				    });
+        				})
+        			.catch(error => console.error("Error fetching data:", error));
+			});
+			async function start_upload(use_checks){
+				document.getElementById("close_progress_modal2").click();
+				//main function handles the steps from user pressing upload button via checking params to starting job via api
+				//we have a modal that shows progress to the user
+				document.getElementById("close_progress_modal").style.display = "none";
+				document.getElementById("close_progress_modal2").style.display = "none";
+				let steps = [
+        			    "Initialisierung",
+        			    "Datei auf System0 Hochladen",
+        			    "Nach Reservationskonflikten suchen",
+        			    "Nach Invaliden Druckeinstellungen suchen",
+        			    "Job an Drucker senden"
+			        ];
+				let progressContent = document.getElementById("progressContent");
+			        progressContent.innerHTML = ""; // Clear previous content
+
+			        let modal = new bootstrap.Modal(document.getElementById("progressModal"));
+        			modal.show();
+				add_step(0,progressContent,steps);
+				//initialising => set all vars to 0 etc
+				finish_step(0,progressContent,steps);
+				if(cloudprint==0){
+					add_step(1,progressContent,steps);
+					//upload file to system0
+					if(await upload_file()==0){
+						finish_step(1,progressContent,steps);
+					}else{
+						add_error("Fehler beim Upload der Datei - "+global_error,progressContent);
+						cancel_step(1,progressContent,steps);
+						show_close_button();
+						return;
+					}
+				}else{
+					//just tell the server what the file is.
+					await fetch("/api/uploader/cloudprint.php?file=<?php echo($_GET['cloudprint']); ?>");
+				}
+				global_error="";
+				//check if there is a reservation ongoing during this print
+				add_step(2,progressContent,steps);
+				let status=await check_reservations();
+				if(status==0){
+                                        finish_step(2,progressContent,steps);
+                                }else if(status==1){
+					//reserved and user is student
+					add_error("Die Drucker sind zurzeit reserviert. Bitte versuche es später erneut.", progressContent);
+					cancel_step(2,progressContent,steps);
+					show_close_button();
+					return;
+				}else if(status==2){
+					//reserved but user is admin
+					add_warning("Die Drucker sind Zurzeit reserviert. Als Lehrperson wird ihr Druck allerdings trozdem gedruckt. Bitte gehen Sie sicher, dass nicht eine Klasse beeinträchtigt wird.",progressContent);
+                                	finish_step(2,progressContent,steps);
+				}else{
+                                        add_error("Fehler beim überprüfen der Reservationen - "+global_error,progressContent);
+                                        cancel_step(2,progressContent,steps);
+					show_close_button();
+					return;
+                                }
+				global_error="";
+				//search for invalid print settings.
+				add_step(3,progressContent,steps);
+				status=await check_illegal_settings(progressContent);
+				if(status==0){
+					finish_step(3,progressContent,steps);
+				}else if(use_checks==0){
+					add_warning("Warnung: Dieser Druck wird mit sehr hohen Temparaturen gedruckt. Dies kann zur zerstörung des Druckers führen!",progressContent);
+					finish_step(3,progressContent,steps);
+				}else if(status==1){
+					add_error("Achtung deine Drucktemparatur ist sehr hoch eingestellt. Dies kann zur zerstörung des Druckers führen! Bitte fahre nur fort, wenn du dir sicher bist, was du tust!",progressContent);
+					add_circumvent_link(progressContent);
+					cancel_step(3,progressContent,steps);
+					show_close_button();
+					return;
+				}else{
+					add_error("Fehler beim prüfen der Druckeinstellungen",progressContent);
+					cancel_step(3,progressContent,steps);
+                                        show_close_button();
+                                        return;
+				}
+				global_error="";
+				//send to printer
+				add_step(4,progressContent,steps);
+				status=await start_job();
+				if(status==0){
+					finish_step(4,progressContent,steps);
+					//add_step(5,progressContent,steps);
+					//finish_step(5,progressContent,steps);
+					add_success("Job erfolgreich gestartet",progressContent);
+				}else if(status==2){
+					finish_step(4,progressContent,steps);
+                                        //add_step(5,progressContent,steps);
+                                        //finish_step(5,progressContent,steps);
+                                        add_success("Job erfolgreich an Warteschlange gesendet",progressContent);
+				}else{
+					add_error("Fehler beim starten des Jobs. "+global_error, progressContent);
+					cancel_step(4,progressContent,steps);
+					show_close_button();
+					return;
+				}
+				show_close_button();
+			}
+
+			function add_circumvent_link(progressContent) {
+                                    let stepHtml = `
+                                        <div>
+						<a onclick="start_upload(0);" style="cursor:pointer" target="_blank" class="step-link">Drücke hier, um alle überprüfungen zu umgehen</a>
+                                        </div>
+                                        `;
+
+                                        progressContent.innerHTML += stepHtml;
+                        }
+
+			function finish_step(index,progressContent,steps){
+				let stepId = "step-" + index;
+				let stepElement = document.getElementById(stepId);
+                                if (stepElement) {
+                                        stepElement.innerHTML = `
+                                       		<span class="text-success fw-bold">✔</span>
+                                        	<span>${steps[index]}</span>
+                                	`;
+                                }
+				if (index >= steps.length-1){
+                                        document.getElementById("close_progress_modal").style.display = "block";
+                                        document.getElementById("close_progress_modal2").style.display = "block";
+				}
+			}
+                        function show_close_button(){
+                                document.getElementById("close_progress_modal").style.display = "block";
+                                document.getElementById("close_progress_modal2").style.display = "block";
+                        }
+			function cancel_step(index,progressContent,steps){
+                                let stepId = "step-" + index;
+                                let stepElement = document.getElementById(stepId);
+                                if (stepElement) {
+                                        stepElement.innerHTML = `
+                                                <span class="text-success fw-bold">❌</span>
+                                                <span>${steps[index]}</span>
+                                        `;
+				}
+                                document.getElementById("close_progress_modal").style.display = "block";
+                                document.getElementById("close_progress_modal2").style.display = "block";
+                        }
+                        function add_error(msg,progressContent){
+				let errorHtml = `
+					<br>
+					<div class='alert alert-danger' role='alert'>Fehler - ${msg}</div>
+                                        `;
+
+                                progressContent.innerHTML += errorHtml;
+                        }
+			function add_success(msg,progressContent){
+                                let errorHtml = `
+                                        <br>
+                                        <div class='alert alert-success' role='alert'>Erfolg - ${msg}</div>
+                                        `;
+
+                                progressContent.innerHTML += errorHtml;
+                        }
+			function add_warning(msg,progressContent){
+                                let errorHtml = `
+                                        <br>
+                                        <div class='alert alert-warning' role='alert'>Warnung - ${msg}</div>
+                                        `;
+
+                                progressContent.innerHTML += errorHtml;
+                        }
+			function add_step(index,progressContent,steps) {
+                                    let stepId = "step-" + index;
+                                    let stepHtml = `
+                                        <div class="step-container" id="${stepId}">
+                                            <span class="spinner-border text-primary" role="status"></span>
+                                            <span>${steps[index]}</span>
+                                        </div>
+                                        `;
+
+                                        progressContent.innerHTML += stepHtml;
+                        }
+			async function check_illegal_settings(progressContent){
+				try {
+                                const response = await fetch("/api/uploader/check_illegal_settings.php");
+                                if (!response.ok) {
+                                    throw new Error(`HTTP error! Status: ${response.status}`);
+                                }
+
+                                const data = await response.json();
+				if(data["status"]!=0){
+					global_error="Dieser Fehler ist auf dem Drucker. Warte einige Minuten und versuche es erneut.";
+				}
+                                return data["status"];
+                         } catch (error) {
+                                return 4;
+                         }
+			}
+			async function start_job(){
+				let printer_id=document.getElementById("selectOption").value;
+				if(printer_id=="not_set"){
+					global_error="Kein Drucker ausgewählt";
+					return 5;
+				}
+                                try {
+                                const response = await fetch("/api/uploader/start_job.php?printer="+printer_id);
+                                if (!response.ok) {
+                                    throw new Error(`HTTP error! Status: ${response.status}`);
+                                }
+
+                                const data = await response.json();
+                                return data["status"];
+                         } catch (error) {
+                                return 5;
+                         }
+                        }
+			async function upload_file(){
+				const fileInput = document.getElementById('file_upload');
+            			const file = fileInput.files[0];
+
+            			if (!file) {
+					global_error="Keine Datei ausgewählt";
+                			return 1;
+		            	}
+
+			            const formData = new FormData();
+        			    formData.append('file', file);
+
+        			    try {
+                			const response = await fetch('/api/uploader/upload_file.php', {
+                			    method: 'POST',
+                			    body: formData,
+                			});
+                			if (response.ok) {
+                			    const result = await response.json();
+						if(result.status=="error"){
+							global_error=result.message;
+							return 1;
+						}
+                			} else {
+						return 1;
+                			}
+            			} catch (error) {
+					return 1;
+            			}
+				return 0;
+			}
+			async function check_reservations() {
+			    try {
+			        const response = await fetch("/api/uploader/check_reservations.php");
+        			if (!response.ok) {
+        			    throw new Error(`HTTP error! Status: ${response.status}`);
+        			}
+
+			        const data = await response.json();
+            			return data["status"];
+    			 } catch (error) {
+    			    	return 4;
+    			 }
+			}
+
+		</script>
+	<!-- progress modal -->
+	<div class="modal fade" id="progressModal" tabindex="-1" data-bs-backdrop="static" data-bs-keyboard="false" role="dialog" aria-labelledby="progressModalLabel" aria-hidden="false">
+    		<div class="modal-dialog" role="document">
+        		<div class="modal-content">
+        		    <div class="modal-header">
+        		        <h5 class="modal-title" id="progressModalLabel">Fortschritt</h5>
+                		<button id="close_progress_modal" type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Schliessen"></button>
+            		    </div>
+         	   		<div class="modal-body">
+           			     <div id="progressContent"></div>
+           			</div>
+            			<div class="modal-footer">
+                			<button id="close_progress_modal2" type="button" class="btn btn-secondary" data-bs-dismiss="modal">Schliessen</button>
+            			</div>
+        		</div>
+    		</div>
+	</div>
+
+	</body>
+</html>
