Adding Mailhog Service for SMTP, Adding Spring Mail, Sending an Email on Application Start, Improving UI

Author: ricardo-ribeiro

.github/workflows/gradle.yml

@@ -4,9 +4,7 @@ on: [push]
 
 jobs:
   build:
-
     runs-on: ubuntu-latest
-
     steps:
     - uses: actions/checkout@v2
     - name: Set up JDK 1.8
@@ -17,7 +15,10 @@ jobs:
       uses: actions/setup-node@v1
       with:
         node-version: '10.x'
-    - name: Grant execute permission for gradlew
-      run: chmod +x gradlew
+    - name: Grant execute permissions
+      run: |
+      chmod +x ./scripts/moveFiles.sh
+      chmod +x gradlew
+      chmod +x source
     - name: Build with Gradle
       run: ./gradlew build --info

build.gradle

@@ -53,8 +53,16 @@ dependencies {
      */
     compile("org.springframework.boot:spring-boot-starter-security")
 
+
     compile 'io.jsonwebtoken:jjwt:0.9.1'
 
+
+    /**
+     * Adding SMTP Mail Sending Capabilities
+     */
+    compile 'org.springframework.boot:spring-boot-starter-mail'
+
+
     /**
      * Requires Cloud Stream Dependency Management
      * Adding Kafka Cloud Stream Support

services/docker-compose.yml

@@ -62,4 +62,9 @@ services:
       ADMINER_DESIGN: nette
       ADMINER_PLUGINS: tables-filter tinymce
     ports:
-      - "9999:8080"
+      - "9999:8080"
+  mailhog:
+    image: mailhog/mailhog
+    ports:
+      - 1025:1025 # smtp server
+      - 9998:8025 # web ui

src/main/java/springboot/Application.java

@@ -7,21 +7,34 @@
 import org.springframework.boot.autoconfigure.SpringBootApplication;
 import org.springframework.cloud.stream.annotation.EnableBinding;
 import org.springframework.context.annotation.Bean;
+import org.springframework.mail.SimpleMailMessage;
+import org.springframework.mail.javamail.JavaMailSender;
 import springboot.messaging.KafkaEventChannels;
 import springboot.messaging.PaymentMessagingChannel;
 import springboot.services.InvoicingService;
 
 @SpringBootApplication
 @EnableBinding({PaymentMessagingChannel.class, KafkaEventChannels.class})
-//@EnableWebMvc
 public class Application {
 
+    @Autowired
+    private JavaMailSender javaMailSender;
+
     @Bean
     CommandLineRunner commandLineRunner(
             @Autowired InvoicingService invoicingService,
             @Autowired ObjectMapper objectMapper
     ){
         return args -> {
+
+            SimpleMailMessage msg = new SimpleMailMessage();
+            msg.setFrom("ExampleApplication@example.com");
+            msg.setTo("to_1@gmail.com", "to_2@gmail.com", "to_3@yahoo.com");
+
+            msg.setSubject("Testing from Spring Boot");
+            msg.setText("Hello World \n Spring Boot Email");
+
+            javaMailSender.send(msg);
 //
 //            /**
 //             * Creating a Invoice

src/main/resources/application.yml

@@ -38,8 +38,19 @@ custom:
         private:
           path: /banana
 
-
 spring:
+  mail:
+    host: localhost
+    port: 1025
+    username:
+    password:
+    properties:
+      mail:
+        smtp:
+          auth: false
+          connectiontimeout: 5000
+          timeout: timeout
+          writetimeout: 5000
   security:
     xtype: BASIC
     user:

src/test/java/springboot/ApplicationTest.java

@@ -5,6 +5,8 @@
 import org.junit.runner.RunWith;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.boot.test.mock.mockito.MockBean;
+import org.springframework.mail.javamail.JavaMailSender;
 import org.springframework.test.context.junit4.SpringRunner;
 import springboot.dtos.ProductDTO;
 import springboot.entities.Product;
@@ -21,6 +23,8 @@
 @RunWith(SpringRunner.class)
 public class ApplicationTest {
 
+    @MockBean
+    JavaMailSender javaMailSender;
 
     @Autowired
     private ProductsRepository productsRepository;

src/test/java/springboot/handlers/ProductsControllerTest.java

@@ -10,6 +10,7 @@
 import org.springframework.boot.test.context.SpringBootTest;
 import org.springframework.boot.test.mock.mockito.MockBean;
 import org.springframework.http.MediaType;
+import org.springframework.mail.javamail.JavaMailSender;
 import org.springframework.test.context.junit4.SpringRunner;
 import org.springframework.test.web.servlet.MockMvc;
 import org.springframework.test.web.servlet.request.MockMvcRequestBuilders;
@@ -40,6 +41,9 @@ public class ProductsControllerTest {
     @Autowired
     private MockMvc mockMvc;
 
+    @MockBean
+    JavaMailSender javaMailSender;
+
     @Autowired
     private ObjectMapper objectMapper;
 

src/test/java/springboot/services/ProductsServiceTest.java

@@ -4,6 +4,8 @@
 import org.junit.runner.RunWith;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.boot.test.mock.mockito.MockBean;
+import org.springframework.mail.javamail.JavaMailSender;
 import org.springframework.test.context.junit4.SpringRunner;
 import springboot.dtos.ProductDTO;
 import springboot.entities.Product;
@@ -20,6 +22,9 @@
 @RunWith(SpringRunner.class)
 public class ProductsServiceTest {
 
+    @MockBean
+    JavaMailSender javaMailSender;
+
     @Autowired
     private ProductsService productsService;