[Build-trigger-54] Sending a confirmation email to the person that triggered the build

pom.xml

@@ -71,6 +71,10 @@
       <groupId>io.quarkus</groupId>
       <artifactId>quarkus-hibernate-validator</artifactId>
     </dependency>
+    <dependency>
+      <groupId>io.quarkus</groupId>
+      <artifactId>quarkus-mailer</artifactId>
+    </dependency>
     <dependency>
       <groupId>io.quarkus</groupId>
       <artifactId>quarkus-junit5</artifactId>

src/main/java/org/jboss/set/BuildTrigger.java

@@ -2,20 +2,25 @@
 
 import com.fasterxml.jackson.core.JsonProcessingException;
 import com.fasterxml.jackson.databind.ObjectMapper;
-import org.jboss.logging.Logger;
-import org.jboss.set.model.json.BuildJMSTriggerPayload;
+import jakarta.jms.JMSRuntimeException;
 import jakarta.enterprise.context.ApplicationScoped;
 import jakarta.inject.Inject;
 import jakarta.jms.ConnectionFactory;
 import jakarta.jms.JMSContext;
 import jakarta.jms.Session;
 import org.eclipse.microprofile.config.inject.ConfigProperty;
+import org.jboss.logging.Logger;
+import org.jboss.set.exception.BuildTriggerException;
+import org.jboss.set.model.json.BuildJMSTriggerPayload;
 
 @ApplicationScoped
 public class BuildTrigger {
 
     Logger logger = Logger.getLogger(BuildTrigger.class);
 
+    @Inject
+    EmailService emailService;
+
     @ConfigProperty(name = "build-trigger.topic")
     String triggerTopic;
 
@@ -27,10 +32,21 @@ public class BuildTrigger {
     public void triggerBuild(BuildJMSTriggerPayload payloadMessage) {
         try (JMSContext context = connectionFactory.createContext(Session.AUTO_ACKNOWLEDGE)) {
             context.createProducer().send(context.createTopic(triggerTopic), objectMapper.writeValueAsString(payloadMessage));
+            logger.infof("Build message sent to UMB. Payload: %s", payloadMessage);
+            if (payloadMessage.email != null && !payloadMessage.email.isBlank()
+                    && !payloadMessage.email.equals("Email not provided in the token")) {
+                emailService.sendMail(payloadMessage);
+            } else {
+                logger.warnf("Confirmation email not sent: missing or invalid email");
+            }
         } catch (JsonProcessingException e) {
             logger.errorf("Failed to serialize BuildJMSTriggerPayload to JSON: "
                     + e.getMessage() + ". Payload: " + payloadMessage);
-            throw new RuntimeException("Failed to serialize BuildJMSTriggerPayload to JSON: " + e.getMessage(), e);
+            throw new BuildTriggerException("Failed to serialize BuildJMSTriggerPayload to JSON: " + e.getMessage(), e);
+        } catch (JMSRuntimeException e) {
+            logger.errorf("Build message failed to be sent to UMB. Payload: %s. Exception: %s",
+                    payloadMessage, e.getMessage());
+            throw new BuildTriggerException("Build message failed to be sent to UMB due to: " + e.getMessage(), e);
         }
     }
 }

src/main/java/org/jboss/set/EmailService.java

@@ -0,0 +1,46 @@
+package org.jboss.set;
+
+import io.quarkus.mailer.Mail;
+import io.quarkus.mailer.Mailer;
+import jakarta.enterprise.context.ApplicationScoped;
+import jakarta.inject.Inject;
+import org.jboss.set.model.json.BuildJMSTriggerPayload;
+
+import java.util.List;
+
+@ApplicationScoped
+public class EmailService {
+
+    @Inject
+    Mailer mailer;
+
+    public void sendMail(BuildJMSTriggerPayload payload) {
+        String project = payload.gitRepo.substring(payload.gitRepo.lastIndexOf('/') + 1);
+        String subject = "[Build Trigger] Build of the " + capitalizeFirstLetter(project) + " (version " + payload.projectVersion + ") requested";
+        String htmlText = "<p>Request to build <b>" + payload.gitRepo + "</b> in version <b>" + payload.projectVersion + "</b> "
+                + "was successfully sent to the productization team using the following parameters:</p>"
+                + "<ul>"
+                + "<li><b>Tag:</b> " + payload.tag + "</li>"
+                + "<li><b>Repository:</b> " + payload.gitRepo + "</li>"
+                + "<li><b>Version:</b> " + payload.projectVersion + "</li>"
+                + "<li><b>Commit:</b> " + payload.commitSha + "</li>"
+                + "<li><b>Streams:</b> " + payload.streams + "</li>"
+                + "</ul>"
+                + "<p>Report any issues or share suggestions using our "
+                + "<a href=\"https://github.com/jboss-set/build-trigger/issues\">GitHub Repository</a>.</p>"
+                + "<p>This is an automated Build Trigger message, please do not respond!</p>";
+
+
+        mailer.send(new Mail()
+                .setSubject(subject)
+                .setHtml(htmlText)
+                .setTo(List.of(payload.email)));
+    }
+
+    private String capitalizeFirstLetter(String input) {
+        if (input == null || input.isEmpty()) {
+            return input;
+        }
+        return Character.toUpperCase(input.charAt(0)) + input.substring(1);
+    }
+}

src/main/java/org/jboss/set/exception/BuildTriggerException.java

@@ -0,0 +1,7 @@
+package org.jboss.set.exception;
+
+public class BuildTriggerException extends RuntimeException {
+    public BuildTriggerException(String message, Throwable cause) {
+        super(message, cause);
+    }
+}

src/main/resources/application.properties

@@ -43,6 +43,15 @@ quarkus.openshift.env.mapping.GITHUB_KEY.with-key=github-key
 quarkus.openshift.env.mapping.GITLAB_KEY.from-secret=build-trigger-secrets
 quarkus.openshift.env.mapping.GITLAB_KEY.with-key=gitlab-key
 
+quarkus.openshift.env.mapping.MAILER_FROM.from-secret=build-trigger-secrets
+quarkus.openshift.env.mapping.MAILER_FROM.with-key=mailer-from
+
+quarkus.openshift.env.mapping.MAILER_HOST.from-secret=build-trigger-secrets
+quarkus.openshift.env.mapping.MAILER_HOST.with-key=mailer-host
+
+quarkus.openshift.env.mapping.MAILER_PORT.from-secret=build-trigger-secrets
+quarkus.openshift.env.mapping.MAILER_PORT.with-key=mailer-port
+
 # oidc
 # specify auth URL only in prod mode so in dev mode keycloak is started as dev service
 %prod.quarkus.oidc.auth-server-url=${auth.server.url}
@@ -61,3 +70,13 @@ quarkus.tls.trust-all=true
 %test.build-trigger.topic=not-required
 %test.github-key=not-required
 %test.gitlab-key=not-required
+
+# Sending emails
+quarkus.mailer.auth-methods=DIGEST-MD5 CRAM-SHA256 CRAM-SHA1 CRAM-MD5 PLAIN LOGIN
+%prod.quarkus.mailer.from=${MAILER_FROM}
+%prod.quarkus.mailer.host=${MAILER_HOST}
+%prod.quarkus.mailer.port=${MAILER_PORT}
+quarkus.mailer.tls=false
+# Enabling STARTTLS (this is required to upgrade the connection to secure)
+quarkus.mailer.starttls=true
+