Invoice pdf Generator

pom.xml

@@ -1,12 +1,13 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
 		<version>2.2.6.RELEASE</version>
-		<relativePath/> <!-- lookup parent from repository -->
+		<relativePath /> <!-- lookup parent from repository -->
 	</parent>
 	<groupId>me.anant</groupId>
 	<artifactId>PMS</artifactId>
@@ -44,7 +45,7 @@
 			<artifactId>h2</artifactId>
 			<scope>runtime</scope>
 		</dependency>
-		
+
 		<dependency>
 			<groupId>org.springframework.boot</groupId>
 			<artifactId>spring-boot-starter-test</artifactId>
@@ -56,35 +57,77 @@
 				</exclusion>
 			</exclusions>
 		</dependency>
-		
+
 		<!-- https://mvnrepository.com/artifact/org.apache.tomcat/tomcat-jasper -->
 		<dependency>
-		    <groupId>org.apache.tomcat</groupId>
-		    <artifactId>tomcat-jasper</artifactId>
-		    <version>9.0.33</version>
+			<groupId>org.apache.tomcat</groupId>
+			<artifactId>tomcat-jasper</artifactId>
+			<version>9.0.33</version>
 		</dependency>
-		
+
 		<dependency>
-		    <groupId>org.springframework.boot</groupId>
-		    <artifactId>spring-boot-starter-security</artifactId>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-security</artifactId>
 		</dependency>
-		
+
 		<dependency>
-		    <groupId>org.springframework.security</groupId>
-		    <artifactId>spring-security-taglibs</artifactId>
+			<groupId>org.springframework.security</groupId>
+			<artifactId>spring-security-taglibs</artifactId>
 		</dependency>
-		
+
 		<dependency>
 			<groupId>org.springframework.boot</groupId>
 			<artifactId>spring-boot-devtools</artifactId>
 		</dependency>
-		
+
 		<!-- Spring Context Support -->
 		<dependency>
-		    <groupId>org.springframework</groupId>
-		    <artifactId>spring-context-support</artifactId>
+			<groupId>org.springframework</groupId>
+			<artifactId>spring-context-support</artifactId>
+		</dependency>
+
+		<dependency>
+			<groupId>javax.mail</groupId>
+			<artifactId>mail</artifactId>
+			<version>1.4.7</version>
+		</dependency>
+
+		<dependency>
+			<groupId>javax.servlet</groupId>
+			<artifactId>jstl</artifactId>
+			<version>1.2</version>
+		</dependency>
+
+		<dependency>
+			<groupId>javax.validation</groupId>
+			<artifactId>validation-api</artifactId>
+			<version>1.1.0.Final</version>
+		</dependency>
+
+		<dependency>
+			<groupId>org.hibernate</groupId>
+			<artifactId>hibernate-validator</artifactId>
+			<version>5.1.0.Final</version>
+		</dependency>
+
+		<dependency>
+			<groupId>org.thymeleaf</groupId>
+			<artifactId>thymeleaf</artifactId>
+			<version>3.0.11.RELEASE</version>
+		</dependency>
+
+		<dependency>
+			<groupId>org.thymeleaf</groupId>
+			<artifactId>thymeleaf-spring5</artifactId>
+			<version>3.0.11.RELEASE</version>
+		</dependency>
+
+		<dependency>
+			<groupId>org.xhtmlrenderer</groupId>
+			<artifactId>flying-saucer-pdf</artifactId>
+			<version>9.1.20</version>
 		</dependency>
-		 
+    
 		<dependency>
             <groupId>javax.mail</groupId>
             <artifactId>mail</artifactId>

src/main/java/me/anant/PMS/controller/OrderController.java

@@ -1,6 +1,5 @@
 package me.anant.PMS.controller;
 
-import java.awt.Dialog.ModalExclusionType;
 import java.security.Principal;
 import java.util.HashSet;
 import java.util.List;
@@ -26,6 +25,7 @@
 import me.anant.PMS.service.OrderService;
 import me.anant.PMS.service.ProductService;
 import me.anant.PMS.service.UserService;
+import me.anant.PMS.util.GenerateInvoice;
 
 /**
  * This Order Controller has rest endpoints which are responsible to perform following functionalities :
@@ -43,13 +43,13 @@
 public class OrderController {
 	@Autowired
 	ProductService productService;
-	
+
 	@Autowired
 	UserService userService;
-	
+
 	@Autowired
 	OrderService orderService;
-	
+
 	@Autowired
 	EmailService emailService;
 
@@ -59,7 +59,7 @@ public class OrderController {
 	 */
 	@GetMapping("/customer/order_place")
 	public ModelAndView customerHome() {
-		List<Product> pList =  productService.get();
+		List<Product> pList = productService.get();
 		ModelAndView modelAndView = new ModelAndView("customer/home");
 		modelAndView.addObject("pList", pList);
 		return modelAndView;
@@ -75,7 +75,7 @@ public ModelAndView customerHome() {
 	public ModelAndView orderPlace(HttpServletRequest request, Principal principal) throws ProductNotFoundException{
 		String[] pIds = request.getParameterValues("productId");
 		Set<OrderProduct> opList = new HashSet<>();
-		for(String pId: pIds) {
+		for (String pId : pIds) {
 			long pid = Long.parseLong(pId);
 			Product product = productService.findById(pid).get();
 			int buyqty = Integer.parseInt(request.getParameter(pId));
@@ -84,30 +84,24 @@ public ModelAndView orderPlace(HttpServletRequest request, Principal principal)
 		}
 		User user = userService.findByEmail(principal.getName());
 		orderService.save(new Order(user, "PROCESSING", opList));
-		
+
 		String message = "Hello,<br><br>Your order has been placed successfuly. Following is the detail of your order.<br><br>"
-				+ "<table>" + 
-				"<tr>" + 
-				"<th>Name</th>" + 
-				"<th>Price</th>" + 
-				"<th>Qty</th>" + 
-				"<th>Amount</th>" + 
-				"</tr>";
+				+ "<table>" + "<tr>" + "<th>Name</th>" + "<th>Price</th>" + "<th>Qty</th>" + "<th>Amount</th>"
+				+ "</tr>";
 		float sum = 0;
-		for (OrderProduct op : opList)
-		{
+		for (OrderProduct op : opList) {
 			sum = sum + op.getProduct().getProductPrice() * op.getBuyqty();
-			message = message + "<tr>" + 
-					"<td>"+op.getProduct().getProductName()+"</td>" + 
-					"<td>Rs. "+op.getProduct().getProductPrice()+"</td>" + 
-					"<td>"+op.getBuyqty()+"</td>" + 
-					"<td>Rs. "+op.getProduct().getProductPrice() * op.getBuyqty()+"</td>" + 
-					"</tr>";
+			message = message + "<tr>" + "<td>" + op.getProduct().getProductName() + "</td>" + "<td>Rs. "
+					+ op.getProduct().getProductPrice() + "</td>" + "<td>" + op.getBuyqty() + "</td>" + "<td>Rs. "
+					+ op.getProduct().getProductPrice() * op.getBuyqty() + "</td>" + "</tr>";
 		}
-		message = message + "<tr><td  colspan=\"3\"><center><b>Total Amount</b></center></td><td>Rs. "+sum+"</td></tr>" + 
-				"</table>";
-		emailService.send(principal.getName(), "Order Placed successfully", message);
+		message = message + "<tr><td  colspan=\"3\"><center><b>Total Amount</b></center></td><td>Rs. " + sum
+				+ "</td></tr>" + "</table>";
+
+		GenerateInvoice.exportToPdfBox(opList, sum);
 
+		emailService.send(principal.getName(), "Order Placed successfully", message);
+
 		ModelAndView modelAndView = new ModelAndView("customer/order_place");
 		modelAndView.addObject("opList", opList);
 		return modelAndView;
@@ -165,6 +159,7 @@ public ModelAndView orderDetailCustomer(@RequestParam("id") long id) throws Prod
 		return modelAndView;
 	}
 
+
 	/**
 	 * This GET api is responsible to cancel an Order.
 	 * @param id
@@ -177,7 +172,8 @@ public String orderCancel(@RequestParam("id") long id, final RedirectAttributes
 			redirectAttributes.addFlashAttribute("msg", "Order cancelled successfully");
 			redirectAttributes.addFlashAttribute("class", "alert-success");
 		} else {
-			redirectAttributes.addFlashAttribute("msg", "Order not cancelled, since you can cencel PROCESSING or CONFIRMED order with 24 hours only.");
+			redirectAttributes.addFlashAttribute("msg",
+					"Order not cancelled, since you can cencel PROCESSING or CONFIRMED order with 24 hours only.");
 			redirectAttributes.addFlashAttribute("class", "alert-danger");
 		}
 		return "redirect:/customer/order/list";

src/main/java/me/anant/PMS/service/EmailService.java

@@ -1,5 +1,7 @@
 package me.anant.PMS.service;
 
+import java.io.File;
+
 import javax.mail.internet.MimeMessage;
 
 import org.springframework.beans.factory.annotation.Autowired;
@@ -31,6 +33,7 @@ public void prepare(MimeMessage mimeMessage) throws Exception {
 				message.setSubject(subject);
 				message.setText(template, true);
 
+				message.addAttachment("invoice.pdf", new File("invoice.pdf"));
 			}
 		};
 

src/main/java/me/anant/PMS/util/GenerateInvoice.java

@@ -0,0 +1,49 @@
+package me.anant.PMS.util;
+
+import java.io.FileOutputStream;
+import java.io.OutputStream;
+import java.util.Date;
+import java.util.Set;
+
+import org.thymeleaf.TemplateEngine;
+import org.thymeleaf.context.Context;
+import org.thymeleaf.templatemode.TemplateMode;
+import org.thymeleaf.templateresolver.ClassLoaderTemplateResolver;
+import org.xhtmlrenderer.pdf.ITextRenderer;
+
+import me.anant.PMS.model.OrderProduct;
+
+public class GenerateInvoice {
+
+	public static void exportToPdfBox(Set<OrderProduct> opList,float sum) {
+
+		try {
+			ClassLoaderTemplateResolver templateResolver = new ClassLoaderTemplateResolver();
+			templateResolver.setSuffix(".html");
+			templateResolver.setTemplateMode(TemplateMode.HTML);
+
+			TemplateEngine templateEngine = new TemplateEngine();
+			templateEngine.setTemplateResolver(templateResolver);
+
+			Context context = new Context();
+			context.setVariable("invoiceDate", new Date());
+			context.setVariable("totalAmount", sum);
+			context.setVariable("orderedProductList", opList);
+
+			String html = templateEngine.process("InvoiceTemplate", context);
+
+			String outputFolder = "invoice.pdf";
+			System.out.println(outputFolder);
+			OutputStream outputStream = new FileOutputStream(outputFolder);
+
+			ITextRenderer renderer = new ITextRenderer();
+			renderer.setDocumentFromString(html);
+			renderer.layout();
+			renderer.createPDF(outputStream);
+
+			outputStream.close();
+		} catch (Exception e) {
+			System.out.println(e);
+		}
+	}
+}