implemented ui functions for managing products, uploading images and editiing users

src/routes/frontend/admin/dashboard.ts

@@ -0,0 +1,7 @@
+import express, { Request, Response } from 'express';
+
+function get(req: Request, res: Response) {
+	res.render("admin/dashboard")
+}
+
+export default { get };

src/routes/frontend/admin/index.ts

@@ -0,0 +1,18 @@
+import express from 'express';
+
+// Route imports
+import dashboard_Route from './dashboard.js';
+import users from './users.js';
+import products from './products.js';
+
+// Router base is '/admin'
+const Router = express.Router({ strict: false });
+
+Router.route('/').get(dashboard_Route.get);
+Router.route('/users').get(users.get);
+Router.route('/products').get(products.get);
+// Router.route('/user_select').get(user_select_Route.get);
+// Router.route('/product_select').get(product_select_Route.get);
+// Router.route('/pay_up').get(pay_up_Route.get);
+
+export default Router;

src/routes/frontend/admin/products.ts

@@ -0,0 +1,7 @@
+import express, { Request, Response } from 'express';
+
+function get(req: Request, res: Response) {
+	res.render("admin/products")
+}
+
+export default { get };

src/routes/frontend/admin/users.ts

@@ -0,0 +1,7 @@
+import express, { Request, Response } from 'express';
+
+function get(req: Request, res: Response) {
+	res.render("admin/users")
+}
+
+export default { get };

src/routes/frontend/index.ts

@@ -5,14 +5,20 @@ import config from '../../handlers/config.js';
 import screensaver_Route from './screensaver.js';
 import user_select_Route from './user_select.js';
 import product_select_Route from './product_select.js';
+import pay_up_Route from './pay_up.js';
 import test_Route from './test.js';
 
+import adminRouter from './admin/index.js';
+
 // Router base is '/'
 const Router = express.Router({ strict: false });
 
 Router.route('/').get(screensaver_Route.get);
 Router.route('/user_select').get(user_select_Route.get);
 Router.route('/product_select').get(product_select_Route.get);
+Router.route('/pay_up').get(pay_up_Route.get);
+
+Router.use('/admin', adminRouter);
 
 config.global.devmode && Router.route('/test').get(test_Route.get);
 

src/routes/frontend/pay_up.ts

@@ -0,0 +1,7 @@
+import express, { Request, Response } from 'express';
+
+function get(req: Request, res: Response) {
+	res.render("payup")
+}
+
+export default { get };

static/apiWrapper.js

@@ -19,6 +19,12 @@ let _api = {
 			headers: new Headers({ 'content-type': 'application/json' })
 		};
 		const response = await fetch(_apiConfig.basePath + path, options);
+		if(response.status == 404) {
+			return {
+				count: 0,
+				result: []
+			}
+		}
 		// Handle the response
 		if (!response.ok) {
 			console.error('Failed to fetch:', response.statusText);
@@ -190,13 +196,14 @@ function returnTableDataByTableName(tableName, search="", orderBy="asc", sort=""
 }
 
 async function getCountByTable(tableName, search="") {
-	let baseString = tableName + '?count=true';
+	let baseString = tableName + '';
 	if (search && search.length > 0) {
-		baseString += '&search=' + search;
+		baseString += '?search=' + search;
 	}
 	// Stored in `data:count:${tableName}`
 	let result = await _api.get(baseString);
 	console.debug('Count result:', result);
+	result = result.count;
 	if (typeof result !== 'number') {
 		_testPageWarn('Count was not a number, was: ' + result);
 		console.warn('Count was not a number, was: ' + result);
@@ -214,6 +221,8 @@ function _testPageFail(reason) {
 }
 
 function _testPageWarn(reason) {
+	console.warn('API Wrapper Test Warning, reason: ' + reason);
+	return;
 	document.getElementById('heroStatus').classList.remove('is-success');
 	document.getElementById('heroStatus').classList.add('is-warning');
 

static/css/lockscreen.css

@@ -29,3 +29,21 @@ flex-wrap: wrap;
 	font-size: 50px;
 	margin-top: -40px;
 }
+
+/* HTML: <div class="loader"></div> */
+.loader {
+  height: 200px;
+  aspect-ratio: 2/3;
+  --c:no-repeat linear-gradient(#fff 0 0);
+  background: var(--c), var(--c), var(--c), var(--c);
+  background-size: 50% 33.4%;
+  animation: l8 1.5s infinite linear;
+}
+@keyframes l8 {
+  0%,
+  5%   {background-position:0 25%,100% 25%,0 75%,100% 75%}
+  33%  {background-position:0 50%,100% 0,0 100%,100% 50%}
+  66%  {background-position:0 50%,0 0,100% 100%,100% 50%}
+  95%,
+  100% {background-position:0 75%,0 25%,100% 75%,100% 25%}
+}

static/js/lockscreenBgHandler.js

@@ -1,22 +1,26 @@
 // Image Handler
-const baseUrl = "https://api.unsplash.com/photos/random?client_id=[KEY]&orientation=landscape&topics=nature";
+const baseUrl = 'https://api.unsplash.com/photos/random?client_id=[KEY]&orientation=landscape&topics=nature';
-const apiKey = "tYOt7Jo94U7dunVcP5gt-kDKDMjWFOGQNsHuhLDLV8k"; // Take from config
+const apiKey = 'tYOt7Jo94U7dunVcP5gt-kDKDMjWFOGQNsHuhLDLV8k'; // Take from config
-const fullUrl = baseUrl.replace("[KEY]", apiKey);
+const fullUrl = baseUrl.replace('[KEY]', apiKey);
 
-const showModeImage = "/static/media/showModeLockscreen.jpg"
+const showModeImage = '/static/media/showModeLockscreen.jpg';
 
-let credits = document.getElementById("credits");
+let credits = document.getElementById('credits');
 
 let currentImageHandle;
 
+document.body.addEventListener('click', () => {
+	window.location.href = '/user_select';
+});
+
 // Lock screen or show mode
-let screenState = "lock";
+let screenState = 'lock';
 
 function handleImage() {
-	if(screenState === "lock") {
+	if (screenState === 'lock') {
-		fetch("https://staging.thegreydiamond.de/projects/photoPortfolio/api/getRand.php?uuid=01919dec-b2cd-7adc-8ca2-a071d1169cbc&unsplash=true")
+		fetch('https://staging.thegreydiamond.de/projects/photoPortfolio/api/getRand.php?uuid=01919dec-b2cd-7adc-8ca2-a071d1169cbc&unsplash=true&orientation=landscape')
-			.then(response => response.json())
+			.then((response) => response.json())
-			.then(data => {
+			.then((data) => {
 				// data = {
 				// 	urls: {
 				// 		regular: "https://imageproxy.thegreydiamond.de/ra5iqxlyve6HpjNvC1tzG50a14oIOgiWP95CxIvbBC8/sm:1/kcr:1/aHR0cHM6Ly9zdGFn/aW5nLnRoZWdyZXlk/aWFtb25kLmRlL3By/b2plY3RzL3Bob3Rv/UG9ydGZvbGlvL2Rl/bW9IaVJlcy9QMTE5/MDgzMC1zY2hpbGQu/anBn.webp"
@@ -30,27 +34,27 @@ function handleImage() {
 				// }
 				if (!currentImageHandle) {
 					// Create a page filling div which contains the image
-					currentImageHandle = document.createElement("div");
+					currentImageHandle = document.createElement('div');
-					currentImageHandle.style.position = "absolute";
+					currentImageHandle.style.position = 'absolute';
-					currentImageHandle.style.top = "0";
+					currentImageHandle.style.top = '0';
-					currentImageHandle.style.left = "0";
+					currentImageHandle.style.left = '0';
-					currentImageHandle.style.width = "100%";
+					currentImageHandle.style.width = '100%';
-					currentImageHandle.style.height = "100%";
+					currentImageHandle.style.height = '100%';
 					currentImageHandle.style.backgroundImage = `url(${data.urls.regular})`;
-					currentImageHandle.style.backgroundSize = "cover";
+					currentImageHandle.style.backgroundSize = 'cover';
 					currentImageHandle.style.opacity = 1;
 				} else {
 					// Create a new div behind the current one and delete the old one when the new one is loaded
-					let newImageHandle = document.createElement("div");
+					let newImageHandle = document.createElement('div');
-					newImageHandle.style.position = "absolute";
+					newImageHandle.style.position = 'absolute';
-					newImageHandle.style.top = "0";
+					newImageHandle.style.top = '0';
-					newImageHandle.style.left = "0";
+					newImageHandle.style.left = '0';
-					newImageHandle.style.width = "100%";
+					newImageHandle.style.width = '100%';
-					newImageHandle.style.height = "100%";
+					newImageHandle.style.height = '100%';
 					newImageHandle.style.backgroundImage = `url(${data.urls.regular})`;
-					newImageHandle.style.backgroundSize = "cover";
+					newImageHandle.style.backgroundSize = 'cover';
 					newImageHandle.style.opacity = 1;
-					newImageHandle.style.transition = "1s";
+					newImageHandle.style.transition = '1s';
 					newImageHandle.style.zIndex = 19999;
 					document.body.appendChild(newImageHandle);
 
@@ -61,15 +65,13 @@ function handleImage() {
 						currentImageHandle = newImageHandle;
 					}, 1000);
 
-
-
 					// Set the credits
 					credits.innerHTML = `Photo by <a href="${data.user.links.html}" target="_blank">${data.user.name}</a> on <a href="https://unsplash.com" target="_blank">Unsplash</a>`;
 					credits.style.zIndex = 300000;
 				}
 			})
-			.catch(error => {
+			.catch((error) => {
-				console.error("Error fetching image: ", error);
+				console.error('Error fetching image: ', error);
 			});
 	} else {
 		if (currentImageHandle) {
@@ -78,16 +80,16 @@ function handleImage() {
 				return;
 			}
 			// Create a new div behind the current one and delete the old one when the new one is loaded
-			let newImageHandle = document.createElement("div");
+			let newImageHandle = document.createElement('div');
-			newImageHandle.style.position = "absolute";
+			newImageHandle.style.position = 'absolute';
-			newImageHandle.style.top = "0";
+			newImageHandle.style.top = '0';
-			newImageHandle.style.left = "0";
+			newImageHandle.style.left = '0';
-			newImageHandle.style.width = "100%";
+			newImageHandle.style.width = '100%';
-			newImageHandle.style.height = "100%";
+			newImageHandle.style.height = '100%';
 			newImageHandle.style.backgroundImage = `url(${showModeImage})`;
-			newImageHandle.style.backgroundSize = "cover";
+			newImageHandle.style.backgroundSize = 'cover';
 			newImageHandle.style.opacity = 1;
-			newImageHandle.style.transition = "1s";
+			newImageHandle.style.transition = '1s';
 			document.body.appendChild(newImageHandle);
 
 			setTimeout(() => {
@@ -107,37 +109,22 @@ function handleTimeAndDate() {
 	month += 1;
 	let year = time.getFullYear();
 
-	let timeHandle = document.getElementById("time");
+	let timeHandle = document.getElementById('time');
-	let dateHandle = document.getElementById("date");
+	let dateHandle = document.getElementById('date');
 
-	timeHandle.innerHTML = `${hours < 10 ? "0" + hours : hours}:${minutes < 10 ? "0" + minutes : minutes}:${time.getSeconds() < 10 ? "0" + time.getSeconds() : time.getSeconds()}`;
+	timeHandle.innerHTML = `${hours < 10 ? '0' + hours : hours}:${minutes < 10 ? '0' + minutes : minutes}:${time.getSeconds() < 10 ? '0' + time.getSeconds() : time.getSeconds()}`;
 	// Datum in format Montag, 22.12.2024
-	dateHandle.innerHTML = `${getDay(time.getDay())}, ${day < 10 ? "0" + day : day}.${month < 10 ? "0" + month : month}.${year}`;
+	dateHandle.innerHTML = `${getDay(time.getDay())}, ${day < 10 ? '0' + day : day}.${month < 10 ? '0' + month : month}.${year}`;
 }
 
 function getDay(day) {
-	switch(day) {
+	return ['Sonntag', 'Montag', 'Dienstag', 'Mittwoch', 'Donnerstag', 'Freitag', 'Samstag'][day];
-		case 0:
-			return "Sonntag";
-		case 1:
-			return "Montag";
-		case 2:
-			return "Dienstag";
-		case 3:
-			return "Mittwoch";
-		case 4:
-			return "Donnerstag";
-		case 5:
-			return "Freitag";
-		case 6:
-			return "Samstag";
-	}
 }
 
 // Set the image handler to run every 10 minutes
 setInterval(handleImage, 60 * 1000 * 10);
 handleImage();
-handleImage()
+handleImage();
 
 // Set the time and date handler to run every minute
 setInterval(handleTimeAndDate, 500);

static/main.css

@@ -5,3 +5,11 @@ body {
 hidden {
 	display: none;
 }
+
+.notification-container {
+	position: fixed;
+	top: 0;
+	right: 0;
+	z-index: 1000;
+	margin: 20px;
+}

static/pageDriver.js

@@ -26,6 +26,13 @@ var searchFields = document.querySelectorAll('input[data-searchTargetId]');
 // Find all modalForms
 var modalForms = document.querySelectorAll('form[data-targetTable]');
 
+
+// Create a floating container for notifications
+const notificationContainer = document.createElement('div');
+notificationContainer.classList.add('notification-container');
+document.body.appendChild(notificationContainer);
+let notifications = [];
+
 console.info('Processing single values');
 console.info(singleValues);
 
@@ -71,8 +78,6 @@ tables.forEach(async (table) => {
 
 });
 
-
-
 async function writeSingelton(element) {
 	const table = element.getAttribute('data-dataSource');
 	console.log('Table: ', table, ' Action: ', element.getAttribute('data-dataAction'), ' Element: ', element);
@@ -181,6 +186,10 @@ modalForms.forEach((modalForm) => {
 							console.log('Type: ', rule['args']['type']);
 							break;
 						}
+						case 'email': {
+							field.setAttribute('type', 'email');
+							break;
+						}
 					}
 				});
 				if (flags) {
@@ -355,6 +364,7 @@ function writeDataToTable(table, data, paginationPassOn) {
 	if(data == undefined || data == null || data.length == 0) {
 		return;
 	}
+	data = data.result
 	console.log('Writing data to table: ', table, data);
 	// Get THEAD and TBODY elements
 	const thead = table.querySelector('thead');
@@ -377,6 +387,9 @@ function writeDataToTable(table, data, paginationPassOn) {
 			actionFields.push(column);
 			return;
 		}
+		if(column.getAttribute('data-type') == 'hidden') {
+			return;
+		}
 		requiredCols.push(column.getAttribute('data-dataCol'));
 	});
 
@@ -472,9 +485,30 @@ function writeDataToTable(table, data, paginationPassOn) {
 		const row = data[resultIndex];
 		const tr = document.createElement('tr');
 		requiredCols.forEach((column) => {
+			// console.log('Column: ', column, ' Index: ', columnIndices[column]);
 			const td = document.createElement('td');
-			td.innerText = row[column];
+			// Grab attribute from header
+			const header = columns[columnIndices[column]];
+			if(header.getAttribute('data-dataCol') == "FUNC:INLINE") {
+				try {
+					// Call data-ColHandler as a function
+					const handler = window[header.getAttribute('data-ColHandler')];
+					const result = handler(row);
+					row[column] = result;
+
+				} catch (e) {
+					console.error('Error in ColHandler: ', e);
+				}
+			}
+
+			if(header.getAttribute('data-type') == "bool") {
+				td.innerHTML = row[column] ? '<i class="bi bi-check"></i>' : '<i class="bi bi-x"></i>';
+				
+			} else {
+				td.innerHTML = row[column];
+			}
 			tr.appendChild(td);
+			
 		});
 
 		// Add action fields
@@ -539,6 +573,9 @@ function writeDataToTable(table, data, paginationPassOn) {
 								if(field.getAttribute('type') == 'submit') {
 									return;
 								}
+								if(field.getAttribute('data-edit-transfer') == 'disable') {
+									return;	
+								}
 								field.value = data[field.getAttribute('name')];
 							});
 							form.closest('.modal').classList.add('is-active');
@@ -556,9 +593,11 @@ function writeDataToTable(table, data, paginationPassOn) {
 							if(resp['status'] == 'DELETED') {
 								refreshTable(table);
 								updateSingeltonsByTableName(table.getAttribute('data-dataSource'));
+								createTemporaryNotification('Entry deleted successfully', 'is-success');
 							} else {
 								// Show error message
 								// TODO: Show error message
+								createTemporaryNotification('Error while deleting entry', 'is-danger');
 							}
 							}
 							break;
@@ -605,6 +644,9 @@ document.addEventListener('DOMContentLoaded', () => {
 	// Add a click event on various child elements to close the parent modal
 	(document.querySelectorAll('.modal-close, .modal-card-head .delete, .modal-card-foot .button') || []).forEach(($close) => {
 		const $target = $close.closest('.modal');
+		if($target.data && $target.data.dissmiss == "false") {
+			return;
+		}
 
 		$close.addEventListener('click', () => {
 			closeModal($target);
@@ -620,10 +662,20 @@ document.addEventListener('DOMContentLoaded', () => {
 });
 
 
+function createTemporaryNotification(message, type = 'is-success', timeout = 5000) {
+	const notification = document.createElement('div');
+	notification.classList.add('notification');
+	notification.classList.add(type);
+	notification.innerHTML = message;
+	notificationContainer.appendChild(notification);
+	setTimeout(() => {
+		$(notification).fadeOut(500);
+	}, timeout);
+}
+
 document.addEventListener('DOMContentLoaded', () => {
 	(document.querySelectorAll('.notification .delete') || []).forEach(($delete) => {
 	  const $notification = $delete.parentNode;
-      
 	  $delete.addEventListener('click', () => {
 	    $notification.parentNode.removeChild($notification);
 	  });

static/pages/admin_products.js

@@ -0,0 +1,65 @@
+let uploadFileInput = document.getElementById('imgUpload');
+let fileName = document.getElementById('fileName');
+let imgUploadForm = document.getElementById('imgUploadForm');
+
+function handleImagePresence(row) {
+	// Check if /api/v1/image?id=row&check returns true
+	// Needs to be sync
+
+	let isThere = false;
+	const xhr = new XMLHttpRequest();
+	xhr.open('GET', `/api/v1/image?id=${row.id}&check=true`, false);
+	xhr.send();
+	if (xhr.status === 200) {
+		try {
+			isThere = JSON.parse(xhr.responseText);
+		} catch (error) {
+			console.error(error);
+			isThere = false;
+		}
+		
+	}
+	
+	let pretty = isThere ? '<i class="bi bi-check"></i>' : '<i class="bi bi-x"></i></a>';
+	const template = `<a href="/api/v1/image?id=${row.id}" target="_blank">${pretty}</a> <i class="bi bi-dot"></i> <button class="btn btn-primary" onclick="uploadImage(${row.id})">Upload</button>`;
+	return template;
+}
+
+function uploadImage(id) {
+	// Open a file picker
+	uploadFileInput.click();
+	// // Open a modal to upload an image
+	// // Use a form
+	// const modal = document.getElementById('imageModal');
+	// modal.style.display = 'block';
+	imgUploadForm.action = `/api/v1/image?id=${id}`;
+}
+
+function silentFormSubmit() {
+	// Submit the form silently (without reloading the page or redirecting)
+	// Grab the form and do a POST request (dont forget to prevent default)
+	const xhr = new XMLHttpRequest();
+	xhr.open('POST', imgUploadForm.action, true);
+	xhr.send(new FormData(imgUploadForm));
+	xhr.onreadystatechange = function() {
+		if (xhr.readyState === 4 && xhr.status === 200) {
+			console.log(xhr.responseText);
+			//location.reload();
+			createTemporaryNotification('Bild hochgeladen', 'is-success');
+			// Close the modal
+			document.getElementById('imageModal').style.display = "none";
+
+			// Empty the input
+			uploadFileInput.value = '';
+		}
+	};
+}
+
+
+uploadFileInput.addEventListener('change', function() {
+	fileName.innerHTML = this.files[0].name;
+	silentFormSubmit();
+	setTimeout(() => {
+		refreshTableByName('products');
+	}, 1000);
+});

static/pages/admin_users.js

@@ -0,0 +1,2 @@
+let elm_table_users = document.getElementById('table_users');
+

static/pages/payup.js

@@ -0,0 +1,4 @@
+const tableContent = document.querySelector('.table-content');
+const tableSum = document.querySelector('.table-sum');
+
+alert("NYI: Endpoint is not yet implemented. This demo ends here.");

static/pages/product_select.js

@@ -2,11 +2,35 @@ console.log('product_select.js loaded');
 
 // Get containers
 let mainSelectionDiv = document.getElementById('mainSelect');
+let checkoutTable = document.getElementById('selectedProducts');
+
+let sumField = document.getElementById('TableSum');
+
+let toCheckoutButton = document.getElementById('checkout');
+let confirmCartButton = document.getElementById('confirmCheckout');
+
+let loadingModal = document.getElementById('loadingModal');
+
+let scannerField = document.getElementById('scannerField');
 
 const baseStruct = document.getElementById("baseStruct");
 
 let globalData;
 
+let shoppingCart = [];
+
+toCheckoutButton.addEventListener('click', finalizeTransaction);
+confirmCartButton.addEventListener('click', confirmedCart);
+
+// Get user from url (and cookie)
+let userFCookie = getCookie('user');
+let userFUrl = new URLSearchParams(window.location.search).get('user');
+
+if(userFCookie != userFUrl) {
+	createTemporaryNotification('Fehler: User nicht korrekt gesetzt!', 'is-danger');
+	window.location.href = '/user_select';
+}
+
 // On load
 document.addEventListener('DOMContentLoaded', async function() {
 	let data = await returnTableDataByTableName('products');
@@ -17,7 +41,7 @@ document.addEventListener('DOMContentLoaded', async function() {
 
 	for(let i = 0; i < result.length; i++) {
 		let product = result[i];
-		if(product.visible) {
+		if(product.visible && product.stock > 0) {
 			let newDiv = baseStruct.cloneNode(true);
 			newDiv.id = `product_${product.id}`;
 			newDiv.style.display = 'block';
@@ -27,9 +51,186 @@ document.addEventListener('DOMContentLoaded', async function() {
 			
 			newDiv.querySelector('.product_price').innerText = price + " €";
 			newDiv.querySelector('.product_ean').innerText = product.gtin;
-			newDiv.querySelector('.product_image').src = product.image || "https://bulma.io/assets/images/placeholders/1280x960.png";
+			newDiv.querySelector('.product_image').src = "/api/v1/image?id=" + product.id;
+			newDiv.querySelector('.product_image').alt = product.name;
+
+			newDiv.addEventListener('click', selectProductEvent);
 			mainSelectionDiv.appendChild(newDiv);
 		}
 	}
 
 });
+
+function canIAddProduct(product, shoppingCart) {
+	let stock = product.stock;
+	let count = shoppingCart.filter(p => p.id == product.id).length;
+	return count < stock;
+}
+
+function selectProductEvent(e) {
+	console.log('selectProductEvent', e);
+	let id = e.currentTarget.id.split('_')[1];
+	let product = globalData.find(p => p.id == id);
+	if(!canIAddProduct(product, shoppingCart)) {
+		createTemporaryNotification('Nicht genug Lagerbestand mehr vorhanden!', 'is-danger');
+		return;
+	}
+	let price = parseFloat(product.price).toFixed(2);
+	let row = checkoutTable.insertRow();
+	row.id = `product_${product.id}`;
+	let cell1 = row.insertCell(0); // Name
+	let cell2 = row.insertCell(1); // Price
+	let cell3 = row.insertCell(2); // Actions 
+
+	shoppingCart.push(product);
+
+	cell1.innerText = product.name;
+	cell2.innerText = price + " €";
+	let deleteButton = document.createElement('button');
+	deleteButton.innerHTML = '<i class="bi bi-trash"></i>';
+	deleteButton.onclick = deleteProductEvent;
+	deleteButton.className = 'button is-danger';
+	deleteButton.style.color = 'white';
+	cell3.appendChild(deleteButton);
+
+
+	sumField.innerText = calculateSum(shoppingCart);
+}
+
+function calculateSum(cart) {
+	let sum = 0;
+	for(let i = 0; i < cart.length; i++) {
+		sum += parseFloat(cart[i].price);
+	}
+	return sum.toFixed(2) + " €";
+}
+
+function deleteProductEvent(e) {
+	let row = e.target.parentElement.parentElement;
+	// Check if icon was clicked instead of button
+	if(row.tagName != 'TR') {
+		row = e.target.parentElement.parentElement.parentElement;
+	}
+	let id = row.id.split('_')[1];
+	let product = shoppingCart.find(p => p.id == id);
+	let index = shoppingCart.indexOf(product);
+	shoppingCart.splice(index, 1);
+	row.remove();
+	sumField.innerText = calculateSum(shoppingCart);
+}
+
+function finalizeTransaction() {
+	if(shoppingCart.length == 0)  {
+		return;
+	}
+
+	// Show confirmation dialog (id-> checkoutModal)
+	let modal = document.getElementById('checkoutModal');
+	modal.classList.add('is-active');
+	let modalContent = document.getElementById('modalContent');
+
+	// Grab table in modal
+	let modalTable = document.getElementById('selectedProductsModal');
+	modalTable.innerHTML = "";
+	for(let i = 0; i < shoppingCart.length; i++) {
+		let product = shoppingCart[i];
+		let row = modalTable.insertRow();
+		let cell1 = row.insertCell(0); // Name
+		let cell2 = row.insertCell(1); // Price
+		cell1.innerText = product.name;
+		cell2.innerText = parseFloat(product.price).toFixed(2) + " €";
+	}
+
+	let modalSum = document.getElementById('ModalSum');
+	modalSum.innerText = calculateSum(shoppingCart);
+}
+
+function confirmedCart() {
+	// Close modal
+	let modal = document.getElementById('checkoutModal');
+	modal.classList.remove('is-active');
+
+	// Show loading modal
+	loadingModal.classList.add('is-active');
+
+	// Send data to server
+	// alert('NYI: Send data to server. This demo ends here.');
+
+	let listOfIds = shoppingCart.map(p => p.id);
+	let data = {
+		products: listOfIds,
+		user_id: getCookie('user')
+	};
+
+	// Send data to server
+	fetch('/api/v1/transaction', {
+		method: 'POST',
+		headers: {
+			'Content-Type': 'application/json'
+		},
+		body: JSON.stringify(data)
+	}).then(async (response) => {
+		let json = await response.json();
+		if(response.ok) {
+			createTemporaryNotification('<i class="bi bi-check-lg"></i> Erfolgreich abgeschlossen', 'is-success');
+			setTimeout(() => {
+				window.location.href = '/user_select';
+			}, 1000);
+		} else {
+			createTemporaryNotification('Fehler: ' + json.error, 'is-danger');
+		}
+		loadingModal.classList.remove('is-active');
+	}).catch((error) => {
+		createTemporaryNotification('Fehler: ' + error, 'is-danger');
+		loadingModal.classList.remove('is-active');
+	});
+}
+
+function getCookie(name) {
+	let value = "; " + document.cookie;
+	let parts = value.split("; " + name + "=");
+	if(parts.length == 2) {
+		return parts.pop().split(";").shift();
+	}
+}
+
+// Handle barcode scanner
+// Force the cursor to the scanner field
+scannerField.focus();
+// Do so in an interval
+setInterval(() => {
+	scannerField.focus();
+}, 1000);
+
+// Make it tiny
+scannerField.style.fontSize = '1px';
+scannerField.style.height = '1px';
+scannerField.style.width = '1px';
+scannerField.style.opacity = '0';
+scannerField.style.position = 'relative';
+
+// Handle barcode scanner input
+scannerField.addEventListener('keydown', async function(event) {
+	if(event.key != 'Enter') {
+		return;
+	}
+	let barcode = scannerField.value;
+	console.log('Barcode scanned:', barcode);
+	scannerField.value = "";
+	// createTemporaryNotification(`Barcode ${barcode} gescannt`, 'is-link');
+
+	let product = globalData.find(p => p.gtin == barcode);
+	if(product) {
+		let event = new Event('click');
+		createTemporaryNotification(`<i class="bi bi-upc-scan"></i> Barcode scan: GTIN ${barcode} gefunden`, 'is-success');
+		document.getElementById(`product_${product.id}`).dispatchEvent(event);
+	} else {
+		createTemporaryNotification( `<i class="bi bi-upc-scan"></i> Barcode scan: GTIN ${barcode} nicht gefunden`, 'is-danger');
+	}
+});
+
+// Make sure text fields is always centerd vertically
+window.addEventListener('scroll', function(event) {
+	scannerField.y = document.documentElement.scrollTop + 20;
+	scannerField.style.top = document.documentElement.scrollTop + 20 + "px";
+});

static/pages/user_select.js

@@ -100,12 +100,15 @@ function validatePin() {
 		if(response) {
 			console.log("Pin is correct");
 			pinPadModal.classList.remove('is-active');
+			// Write a cookie
+			document.cookie = `user=${userId}`;
+			document.cookie = `name=${currentUser.name}`;
 			window.location.href = `/product_select?user=${userId}`;
 		} else {
 			console.log("Pin is incorrect");
 			pinValue = "";
 			updatePinFields();
-			pinError.classList.remove('is-hidden');
+			createTemporaryNotification('Fehlerhafte PIN Eingabe!', 'is-danger');
 		}
 	});
 }

views/admin/dashboard.eta

@@ -0,0 +1,24 @@
+<%~ include("partials/base_head.eta", {"title": "Dashboard"}) %>
+<%~ include("partials/nav.eta") %>
+
+<section class="section container" id="mainSelect">
+<h1 class="title">Administration</h1>
+<!-- Big buttons linking to the different admin pages (Produkte, Benutzer, Bericht) -->
+
+<div class="columns is-centered">
+    <div class="column is-4">
+	<a href="/admin/products" class="button is-large is-fullwidth is-primary">Produkte</a>
+    </div>
+    <div class="column is-4">
+	<a href="/admin/users" class="button is-large is-fullwidth is-primary">Benutzer</a>
+    </div>
+    <div class="column is-4">
+	<a href="/admin/reports" class="button is-large is-fullwidth is-primary">Berichte</a>
+    </div>
+</div>
+
+</section>
+
+<%~ include("partials/footer.eta") %>
+<!-- <script src="/static/pages/admin_.js"></script>-->
+<%~ include("partials/base_foot.eta") %>

views/admin/products.eta

@@ -0,0 +1,153 @@
+<%~ include("partials/base_head.eta", {"title": "Admin - Benutzer"}) %>
+<%~ include("partials/nav.eta") %>
+
+<section class="section container" id="mainSelect">
+	<h1 class="title">Produktverwaltung</h1>
+	<p class="heading"><button class="js-modal-trigger button" data-target="modal-js-example">
+				Neues Produkt anlegen
+	</button></p>
+
+		<input class="input" type="text"  data-searchTargetId="productTable" placeholder="Nach Produkt suchen.." />
+	<table class="table is-striped is-fullwidth is-hoverable" data-dataSource="products" id="productTable" data-pageSize="10">
+		<thead>
+			<tr>
+				<th data-dataCol = "id">Id</th>
+				<th data-dataCol = "name">Name</th>
+				<th data-dataCol = "gtin">GTIN</th>
+				<th data-dataCol = "price">Preis</th>
+				<th data-dataCol = "stock">Lagermenge</th>
+				<th data-dataCol = "visible" data-type="bool">Sichtbarkeit</th>
+				<th data-dataCol = "FUNC:INLINE" data-ColHandler=handleImagePresence>Bild hinterlegt</th>
+				<th data-fnc="actions" data-actions="edit,delete">Aktionen</th>
+			</tr>
+		</thead>
+		<tbody>
+		</tbody>
+		
+	</table>
+	<nav class="pagination is-hidden" role="navigation" aria-label="pagination" data-targetTable="productTable">
+		<ul class="pagination-list">
+			
+		</ul>
+		</nav>
+</section>
+
+<!-- Image upload modal -->
+<div id="imageModal" class="modal">
+	<div class="modal-background"></div>
+
+	<div class="modal-content">
+		<div class="box">
+			<form id="imgUploadForm" enctype="multipart/form-data" method="post" action="/api/v1/image">
+				<h2 class="title">Bild hochladen</h1>
+				<div class="file has-name">
+					<label class="file-label">
+						<input id="imgUpload" class="file-input" type="file" name="image" />
+						<span class="file-cta">
+							<span class="file-icon">
+								<i class="fas fa-upload"></i>
+							</span>
+						<span class="file-label"> Datei wählen… </span>
+					</span>
+					<span class="file-name" id="fileName"></span>
+					</label>
+				</div>
+				<br>
+				
+			</form>
+			<div class="control">
+				<input type="button" class="button is-link" value="Hochladen" onclick="silentFormSubmit()">
+			</div>
+		</div>
+	</div>
+</div>
+
+
+
+
+<!-- TODO: Mark required fields as required; add handling for validation -->
+<div id="modal-js-example" class="modal">
+	<div class="modal-background"></div>
+
+	<div class="modal-content">
+		<div class="box entryPhase is-hidden">
+			<h2 class="title">Neuer Kontakt</h1>
+
+				<i class="bi bi-arrow-clockwise title"></i>
+		</div>
+		<div class="box entryPhase">
+		
+			<form data-targetTable="products">
+			<h2 class="title">Neuer Benutzer</h1>
+			<div class="field">
+				<label class="label">Bezeichner</label>
+				<div class="control has-icons-left">
+					<input class="input" type="text" placeholder="John Doe" value="" name="name">
+					<span class="icon is-small is-left">
+					<i class="bi bi-file-earmark-person-fill"></i>
+					</span>
+				</div>
+			</div>
+
+			<div class="field">
+			<label class="label">GTIN</label>
+			<div class="control has-icons-left">
+				<input class="input" type="number" placeholder="" value="" name="gtin">
+				<span class="icon is-small is-left">
+				<i class="bi bi-upc"></i>
+				</span>
+			</div>
+			</div>
+
+			<div class="field">
+			<label class="label">Lagermenge</label>
+			<div class="control has-icons-left">
+				<input class="input" type="number" placeholder="" value="" name="stock">
+				<span class="icon is-small is-left">
+				<i class="bi bi-archive-fill"></i>
+				</span>
+			</div>
+			</div>
+
+			<div class="field">
+			<label class="label">Preis</label>
+			<div class="control has-icons-left">
+				<input class="input" type="number" placeholder="" value="" step=0.01 name="price">
+				<span class="icon is-small is-left">
+				<i class="bi bi-currency-euro"></i>
+				</span>
+			</div>
+			</div>
+
+			<div class="field">
+			<div class="control">
+			<label class="checkbox">
+			<input type="checkbox" value="" name="visible">
+			In der Liste anzeigen</a>
+			</label>
+				
+			</div>
+			</div>
+
+		
+
+			<div class="field is-grouped">
+			<div class="control">
+				<input type="submit" class="button is-link" value="Save" data-actionBtn="save">
+			</div>
+			<!--<div class="control">
+				<button type="button" class="button is-link is-light" data-actionBtn="cancel">Cancel</button>
+			</div>-->
+			</div>
+		</form>
+			
+			
+		</div>
+	</div>
+
+	<button class="modal-close is-large" aria-label="close"></button>
+	</div>
+
+<script src="/static/pages/admin_products.js"></script>
+<%~ include("partials/footer.eta") %>
+<%~ include("partials/base_foot.eta") %>

views/admin/users.eta

@@ -0,0 +1,96 @@
+<%~ include("partials/base_head.eta", {"title": "Admin - Benutzer"}) %>
+<%~ include("partials/nav.eta") %>
+
+<section class="section container" id="mainSelect">
+	<h1 class="title">Benutzerverwaltung</h1>
+	<p class="heading"><button class="js-modal-trigger button" data-target="modal-js-example">
+				Neuen Konakt anlegen
+	</button></p>
+	<table class="table is-striped is-fullwidth is-hoverable" data-dataSource="user" id="userTable" data-pageSize="10">
+		<thead>
+			<tr>
+				<th data-dataCol = "id">Id</th>
+				<th data-dataCol = "name">Name</th>
+				<th data-dataCol = "email">E-Mail</th>
+				<th data-dataCol = "code" data-type="bool" data-edit-transfer="disable">Code</th>
+				<th data-fnc="actions" data-actions="edit,delete">Aktionen</th>
+			</tr>
+		</thead>
+		<tbody>
+		</tbody>
+		
+	</table>
+	<nav class="pagination is-hidden" role="navigation" aria-label="pagination" data-targetTable="userTable">
+		<ul class="pagination-list">
+			
+		</ul>
+		</nav>
+</section>
+
+
+<!-- TODO: Mark required fields as required; add handling for validation -->
+<div id="modal-js-example" class="modal">
+	<div class="modal-background"></div>
+
+	<div class="modal-content">
+		<div class="box entryPhase is-hidden">
+			<h2 class="title">Neuer Kontakt</h1>
+
+				<i class="bi bi-arrow-clockwise title"></i>
+		</div>
+		<div class="box entryPhase">
+		
+			<form data-targetTable="user">
+			<h2 class="title">Neuer Benutzer</h1>
+			<div class="field">
+				<label class="label">Name</label>
+				<div class="control has-icons-left">
+					<input class="input" type="text" placeholder="John Doe" value="" name="name">
+					<span class="icon is-small is-left">
+					<i class="bi bi-file-earmark-person-fill"></i>
+					</span>
+				</div>
+			</div>
+
+			<div class="field">
+			<label class="label">E-Mail</label>
+			<div class="control has-icons-left">
+				<input class="input" type="email" placeholder="test@example.org" value="" name="email">
+				<span class="icon is-small is-left">
+				<i class="bi bi-envelope"></i>
+				</span>
+			</div>
+			</div>
+
+			<div class="field">
+			<label class="label">Pin</label>
+			<div class="control has-icons-left">
+				<input class="input" type="text" placeholder="" value="" name="code">
+				<span class="icon is-small is-left">
+				<i class="bi bi-chat-fill"></i>
+				</span>
+			</div>
+			</div>
+			<br>
+
+			<div class="field is-grouped">
+			<div class="control">
+				<input type="submit" class="button is-link" value="Save" data-actionBtn="save">
+			</div>
+			<!--<div class="control">
+				<button type="button" class="button is-link is-light" data-actionBtn="cancel">Cancel</button>
+			</div>-->
+			</div>
+		</form>
+			
+			
+		</div>
+	</div>
+
+	<button class="modal-close is-large" aria-label="close"></button>
+	</div>
+
+
+<%~ include("partials/footer.eta") %>
+<script src="/static/pages/admin_users.js"></script>
+<%~ include("partials/base_foot.eta") %>

views/partials/nav.eta

@@ -33,15 +33,43 @@
 			</div>-->
 		</div>
 
-		<% /* <div class="navbar-end">
+		 <div class="navbar-end">
-			<div class="navbar-item">
+			<div class="navbar-item is-hidden" id="showOnLogin">
-				<div class="buttons">
+				<strong>Hey, <span id="nav_username"></span></strong>
-					<a class="button is-primary">
+				<button class="button" onclick="window.location='/pay_up'" >Zur Abrechnung</button>
-						<strong>Sign up</strong>
+			</div>
-					</a>
+			<div class="navbar-item is-hidden" id="onlyShowRoot">
-					<a class="button is-light">Log in</a>
+				<button class="button" onclick="window.location='/admin/'" >Zur Administration</button>
+			</div>
+			<div class="navbar-item is-hidden" id="onlyShowAdmin">
+			<button class="button" onclick="window.location='/admin/'" >Zur Administration</button>
+				<button class="button" onclick="window.location='/'" >Abmelden</button>
 			</div>
 		</div> 
-		</div> */ %>
+		<script>
+			// Check if ?user is set
+			if (window.location.search.includes('user')) {
+				// Show the sign up button
+				document.querySelector('#showOnLogin').classList.remove('is-hidden');
+				// Get the username from the cookie
+				username = document.cookie.split('; ').find(row => row.startsWith('name')).split('=')[1];
+				// Set the username in the nav
+				document.getElementById('nav_username').innerText = username;
+			}
+
+			// Check if /user_select is the current page
+			if (window.location.pathname == '/user_select') {
+				// Show the sign up button
+				document.querySelector('#onlyShowRoot').classList.remove('is-hidden');
+			}
+
+			// If admin is contained in url
+			if (window.location.pathname.includes('admin')) {
+				// Show the sign up button
+				document.querySelector('#onlyShowAdmin').classList.remove('is-hidden');
+			}
+
+			
+		</script>
 	</div>
 </nav>

views/payup.eta

@@ -0,0 +1,32 @@
+<%~ include("partials/base_head.eta", {"title": "Dashboard"}) %>
+<%~ include("partials/nav.eta") %>
+
+<section class="section container" id="mainSelect">
+<h1 class="title">Abrechnung</h1>
+<h2 class="subtitle">Ausstehend</h2>
+
+<table class="table">
+         <thead>
+     <tr>
+      <th><abbr title="Bezeichner">Bez.</abbr></th>
+      <th>Preis</th>
+      <th></th>
+       
+
+    </tr>
+  </thead>
+  <tfoot>
+    <tr>
+      <th></th>
+      <th id="table-sum"></th>
+      <th></th>
+    </tr>
+  </tfoot>
+  <tbody id="table-content">
+       </tbody>
+       </table>
+</section>
+
+<%~ include("partials/footer.eta") %>
+<script src="/static/pages/payup.js"></script>
+<%~ include("partials/base_foot.eta") %>

views/product_select.eta

@@ -1,6 +1,7 @@
 <%~ include("partials/base_head.eta", {"title": "Dashboard"}) %>
 <%~ include("partials/nav.eta") %>
 
+<input id="scannerField" type="text"/>
 <section class="section main-content">
   <div class="container">
     <div class="columns">
@@ -11,6 +12,27 @@
       <!-- Empty sidebar on the right -->
       <div class="column is-one-quarter">
        <h2 class="title is-4" >Ausgewählte Produkte</h2>
+       <table class="table">
+         <thead>
+     <tr>
+      <th><abbr title="Bezeichner">Bez.</abbr></th>
+      <th>Preis</th>
+      <th></th>
+       
+
+    </tr>
+  </thead>
+  <tfoot>
+    <tr>
+      <th></th>
+      <th id="TableSum"></th>
+      <th></th>
+    </tr>
+  </tfoot>
+  <tbody id="selectedProducts">
+       </tbody>
+       </table>
+       <button class="button is-primary" id="checkout">Zur Kasse</button>
       </div>
     </div>
   </div>
@@ -43,6 +65,57 @@
   </div>
 </hidden>
 
+<!-- Confirmation modal -->
+<div class="modal" id="checkoutModal">
+  <div class="modal-background"></div>
+  <div class="modal-card">
+    <header class="modal-card-head">
+      <p class="modal-card-title">Bestellung abschließen</p>
+      <button class="delete" aria-label="close"></button>
+    </header>
+    <section class="modal-card-body">
+      <div class="content">
+        <p>
+          Sind Sie sicher, dass Sie die ausgewählten so Produkte bestellen möchten?
+        </p>
+        <table class="table">
+          <thead>
+            <tr>
+              <th>Bezeichner</th>
+              <th>Preis</th>
+            </tr>
+          </thead>
+          <tfoot>
+            <tr>
+              <th></th>
+              <th id="ModalSum"></th>
+            </tr>
+          </tfoot>
+          <tbody id="selectedProductsModal">
+          </tbody>
+        </table>
+      </div>
+    </section>
+    <footer class="modal-card-foot">
+      <button class="button is-success" id="confirmCheckout">Bestellen</button>
+      <button class="button" id="cancelCheckout">Abbrechen</button>
+    </footer>
+  </div>
+</div>
+
+<!-- Loading modal -->
+<div class="modal" id="loadingModal" data-dissmiss="false">
+  <div class="modal-background"></div>
+  <div class="modal-content">
+    <div class="box">
+      <p>Bitte warten...</p>
+      <div class="loader"></div>
+    </div>
+  </div>
+</div>
+
+
+
 <%~ include("partials/footer.eta") %>
 <script src="/static/pages/product_select.js"></script>
 <%~ include("partials/base_foot.eta") %>

views/screensaver.eta

@@ -1,5 +1,4 @@
 <%~ include("partials/base_head.eta", {"title": "Dashboard"}) %>
-<%~ include("partials/nav.eta") %>
 
 <link rel="stylesheet" href="/static/css/lockscreen.css">
 
@@ -14,5 +13,4 @@
 
 <script src="/static/js/lockscreenBgHandler.js"></script>
 
-<%~ include("partials/footer.eta") %>
 <%~ include("partials/base_foot.eta") %>