Dependency solution

Backend/dependency/inquiry/build.gradle

@@ -17,10 +17,13 @@ sourceCompatibility = 1.8
 repositories { mavenCentral() }
 
 dependencies {
+    implementation 'org.projectlombok:lombok:1.18.26'
     compile('org.springframework.boot:spring-boot-starter')
     testCompile('org.springframework.boot:spring-boot-starter-test')
 }
 
 dependencyManagement {
-    imports { mavenBom("org.springframework.boot:spring-boot-dependencies:${springBootVersion}") }
+    imports {
+        mavenBom("org.springframework.boot:spring-boot-dependencies:${springBootVersion}")
+    }
 }

Backend/dependency/inquiry/src/main/java/com/staffinghub/coding/challenges/dependency/inquiry/CreateInquiryEvent.java

@@ -0,0 +1,17 @@
+package com.staffinghub.coding.challenges.dependency.inquiry;
+
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import lombok.Setter;
+
+import java.util.Date;
+
+@Getter
+@Setter
+@NoArgsConstructor
+@AllArgsConstructor
+public class CreateInquiryEvent {
+    private Date date;
+    private Inquiry inquiry;
+}

Backend/dependency/inquiry/src/main/java/com/staffinghub/coding/challenges/dependency/inquiry/InquiryService.java

@@ -2,15 +2,31 @@
 
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
+import org.springframework.context.ApplicationEventPublisher;
 import org.springframework.stereotype.Component;
 
+import java.util.Date;
+
+/**
+ * The inquiry service is used to create new inquiries.
+ */
 @Component
 public class InquiryService {
 
+    private final ApplicationEventPublisher events;
+
     private static final Logger LOG = LoggerFactory.getLogger(InquiryService.class);
 
+    public InquiryService(ApplicationEventPublisher events) {
+        this.events = events;
+    }
+
+    /**
+     * Create a new inquiry.
+     * @param inquiry incoming inquiry to create of type {@link Inquiry}
+     */
     public void create(final Inquiry inquiry) {
         LOG.info("User sent inquiry: {}", inquiry);
+        events.publishEvent(new CreateInquiryEvent(new Date(), inquiry));
     }
-
-}
+}

Backend/dependency/notifications/build.gradle

@@ -1,5 +1,10 @@
 buildscript {
-    repositories { mavenCentral() }
+    repositories {
+        mavenCentral()
+        maven {
+            url "https://repo.spring.io/milestone/"
+        }
+    }
 }
 
 plugins { id "io.spring.dependency-management" version "1.0.5.RELEASE" }
@@ -14,14 +19,20 @@ jar {
 }
 sourceCompatibility = 1.8
 
-repositories { mavenCentral() }
+repositories { mavenCentral()
+    maven {
+        url "https://repo.spring.io/milestone/"
+    }}
 
 dependencies {
+    implementation 'org.projectlombok:lombok:1.18.26'
     compile project(":inquiry")
     compile('org.springframework.boot:spring-boot-starter')
     testCompile('org.springframework.boot:spring-boot-starter-test')
 }
 
 dependencyManagement {
-    imports { mavenBom("org.springframework.boot:spring-boot-dependencies:${springBootVersion}") }
+    imports {
+        mavenBom("org.springframework.boot:spring-boot-dependencies:${springBootVersion}")
+    }
 }

Backend/dependency/notifications/src/main/java/com/staffinghub/coding/challenges/dependency/notifications/NotificationService.java

@@ -0,0 +1,39 @@
+package com.staffinghub.coding.challenges.dependency.notifications;
+
+import com.staffinghub.coding.challenges.dependency.inquiry.CreateInquiryEvent;
+import com.staffinghub.coding.challenges.dependency.inquiry.InquiryService;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.context.event.EventListener;
+import org.springframework.scheduling.annotation.Async;
+import org.springframework.stereotype.Component;
+
+/**
+ * Notification service sends email and push notifications based off of incoming events.
+ */
+@Component
+public class NotificationService {
+
+    private EmailHandler emailHandler;
+    private PushNotificationHandler pushNotificationHandler;
+    private static final Logger LOG = LoggerFactory.getLogger(InquiryService.class);
+
+    public NotificationService(EmailHandler emailHandler, PushNotificationHandler pushNotificationHandler) {
+        this.emailHandler = emailHandler;
+        this.pushNotificationHandler = pushNotificationHandler;
+    }
+
+    /**
+     * Process create Inquiry event to send emails and push notifications.
+     * @param event incoming Inquiry event of type {@link CreateInquiryEvent}
+     */
+    @Async
+    @EventListener
+    public void notificationEvent(CreateInquiryEvent event) {
+        LOG.info("Received notification by event for inquiry {} in date {}.",
+                event.getInquiry(),
+                event.getDate());
+        emailHandler.sendEmail(event.getInquiry());
+        pushNotificationHandler.sendNotification(event.getInquiry());
+    }
+}