MockEmailService e SmtpEmailService, padrões Strategy e Template Method

Author: jdc-developer

pom.xml

@@ -58,6 +58,11 @@
 			<artifactId>mysql-connector-java</artifactId>
 		</dependency>
 
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-mail</artifactId>
+		</dependency>
+		
 	</dependencies>
 
 	<build>

src/main/java/jdc/loja/config/DevConfig.java

@@ -9,6 +9,8 @@
 import org.springframework.context.annotation.Profile;
 
 import jdc.loja.services.DBService;
+import jdc.loja.services.EmailService;
+import jdc.loja.services.SmtpEmailService;
 
 @Configuration
 @Profile("dev")
@@ -28,4 +30,9 @@ public boolean instantiateDatabase() throws ParseException {
 		dbService.instantiateTestDatabase();
 		return true;
 	}
+	
+	@Bean
+	public EmailService emailService() {
+		return new SmtpEmailService();
+	}
 }

src/main/java/jdc/loja/config/TestConfig.java

@@ -8,6 +8,8 @@
 import org.springframework.context.annotation.Profile;
 
 import jdc.loja.services.DBService;
+import jdc.loja.services.EmailService;
+import jdc.loja.services.MockEmailService;
 
 @Configuration
 @Profile("test")
@@ -21,4 +23,9 @@ public boolean instantiateDatabase() throws ParseException {
 		dbService.instantiateTestDatabase();
 		return true;
 	}
+	
+	@Bean
+	public EmailService emailService() {
+		return new MockEmailService();
+	}
 }

src/main/java/jdc/loja/domain/Pedido.java

@@ -160,5 +160,4 @@ public String toString() {
 		builder.append(nf.format(getValorTotal()));
 		return builder.toString();
 	}
-	
 }

src/main/java/jdc/loja/services/AbstractEmailService.java

@@ -0,0 +1,30 @@
+package jdc.loja.services;
+
+import java.util.Date;
+
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.mail.SimpleMailMessage;
+
+import jdc.loja.domain.Pedido;
+
+public abstract class AbstractEmailService implements EmailService {
+
+	@Value("${default.sender}")
+	private String sender;
+
+	@Override
+	public void sendOrderConfirmationEmail(Pedido obj) {
+		SimpleMailMessage sm = prepareSimpleMailMessageFromPedido(obj);
+		sendEmail(sm);
+	}
+
+	protected SimpleMailMessage prepareSimpleMailMessageFromPedido(Pedido obj) {
+		SimpleMailMessage sm = new SimpleMailMessage();
+		sm.setTo(obj.getCliente().getEmail());
+		sm.setFrom(sender);
+		sm.setSubject("Pedido confirmado! Código: " + obj.getId());
+		sm.setSentDate(new Date(System.currentTimeMillis()));
+		sm.setText(obj.toString());
+		return sm;
+	}
+}

src/main/java/jdc/loja/services/EmailService.java

@@ -0,0 +1,12 @@
+package jdc.loja.services;
+
+import org.springframework.mail.SimpleMailMessage;
+
+import jdc.loja.domain.Pedido;
+
+public interface EmailService {
+	
+	void sendOrderConfirmationEmail(Pedido obj);
+
+	void sendEmail(SimpleMailMessage msg);
+}

src/main/java/jdc/loja/services/MockEmailService.java

@@ -0,0 +1,17 @@
+package jdc.loja.services;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.mail.SimpleMailMessage;
+
+public class MockEmailService extends AbstractEmailService {
+
+	private static final Logger LOG = LoggerFactory.getLogger(MockEmailService.class);
+
+	@Override
+	public void sendEmail(SimpleMailMessage msg) {
+		LOG.info("Simulando envio de Email");
+		LOG.info(msg.toString());
+		LOG.info("Email enviado");
+	}
+}

src/main/java/jdc/loja/services/PedidoService.java

@@ -37,6 +37,9 @@ public class PedidoService {
 	@Autowired
 	private ClienteService cliServ;
 
+	@Autowired
+	private EmailService emailServ;
+	
 	public Pedido find(Integer id) {
 		Optional<Pedido> obj = rep.findById(id);
 		return obj.orElseThrow(() -> new ObjectNotFoundException(
@@ -64,7 +67,7 @@ public Pedido insert(Pedido obj) {
 			ip.setPedido(obj);
 		}
 		itemPedRep.saveAll(obj.getItens());
-		System.out.println(obj);
+		emailServ.sendOrderConfirmationEmail(obj);
 		return obj;
 	}
 

src/main/java/jdc/loja/services/SmtpEmailService.java

@@ -0,0 +1,23 @@
+package jdc.loja.services;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.mail.MailSender;
+import org.springframework.mail.SimpleMailMessage;
+
+public class SmtpEmailService extends AbstractEmailService{
+
+	private static final Logger LOG = LoggerFactory.getLogger(SmtpEmailService.class);
+	
+	@Autowired
+	private MailSender mailSender;
+	
+	@Override
+	public void sendEmail(SimpleMailMessage msg) {
+		LOG.info("Enviando Email...");
+		mailSender.send(msg);
+		LOG.info("Email enviado");
+	}
+
+}

src/main/resources/application-dev.properties

@@ -4,4 +4,14 @@ spring.datasource.password=
 
 spring.jpa.hibernate.ddl-auto=create
 spring.jpa.show-sql=true
-spring.jpa.properties.hibernate.form786at_sql=true
+spring.jpa.properties.hibernate.form786at_sql=true
+
+spring.mail.host=smtp.gmail.com
+spring.mail.username=email
+spring.mail.password=senha
+spring.mail.properties.mail.smtp.auth=true
+spring.mail.properties.mail.smtp.socketFactory.port=465
+spring.mail.properties.mail.smtp.socketFactory.class=javax.net.ssl.SSLSocketFactory
+spring.mail.properties.mail.smtp.socketFactory.fallback=false
+spring.mail.properties.mail.smtp.starttls.enable=true
+spring.mail.properties.mail.smtp.ssl.enable=true