From c39a20cf96814366f5de498f6a6f8b3feca7a3c4 Mon Sep 17 00:00:00 2001
From: Hubert Van De Walle <hubv@protonmail.com>
Date: Thu, 5 Nov 2020 14:44:59 +0100
Subject: [PATCH] Move health check to domain layer

---
 simplenotes-app/build.gradle.kts                    |  1 -
 .../app/controllers/HealthCheckController.kt        |  6 +++---
 .../domain/usecases/HealthCheckService.kt           | 13 +++++++++++++
 3 files changed, 16 insertions(+), 4 deletions(-)
 create mode 100644 simplenotes-domain/src/main/kotlin/be/simplenotes/domain/usecases/HealthCheckService.kt

diff --git a/simplenotes-app/build.gradle.kts b/simplenotes-app/build.gradle.kts
index 9ad98fd..c7229d0 100644
--- a/simplenotes-app/build.gradle.kts
+++ b/simplenotes-app/build.gradle.kts
@@ -10,7 +10,6 @@ plugins {
 }
 
 dependencies {
-    implementation(project(":simplenotes-persistance"))
     implementation(project(":simplenotes-search"))
     implementation(project(":simplenotes-domain"))
     implementation(project(":simplenotes-types"))
diff --git a/simplenotes-app/src/main/kotlin/be/simplenotes/app/controllers/HealthCheckController.kt b/simplenotes-app/src/main/kotlin/be/simplenotes/app/controllers/HealthCheckController.kt
index c2c821a..33c827e 100644
--- a/simplenotes-app/src/main/kotlin/be/simplenotes/app/controllers/HealthCheckController.kt
+++ b/simplenotes-app/src/main/kotlin/be/simplenotes/app/controllers/HealthCheckController.kt
@@ -1,6 +1,6 @@
 package be.simplenotes.app.controllers
 
-import be.simplenotes.persistance.DbHealthCheck
+import be.simplenotes.domain.usecases.HealthCheckService
 import org.http4k.core.Request
 import org.http4k.core.Response
 import org.http4k.core.Status.Companion.OK
@@ -8,7 +8,7 @@ import org.http4k.core.Status.Companion.SERVICE_UNAVAILABLE
 import javax.inject.Singleton
 
 @Singleton
-class HealthCheckController(private val dbHealthCheck: DbHealthCheck) {
+class HealthCheckController(private val healthCheckService: HealthCheckService) {
     fun healthCheck(@Suppress("UNUSED_PARAMETER") request: Request) =
-        if (dbHealthCheck.isOk()) Response(OK) else Response(SERVICE_UNAVAILABLE)
+        if (healthCheckService.isOk()) Response(OK) else Response(SERVICE_UNAVAILABLE)
 }
diff --git a/simplenotes-domain/src/main/kotlin/be/simplenotes/domain/usecases/HealthCheckService.kt b/simplenotes-domain/src/main/kotlin/be/simplenotes/domain/usecases/HealthCheckService.kt
new file mode 100644
index 0000000..f23ac91
--- /dev/null
+++ b/simplenotes-domain/src/main/kotlin/be/simplenotes/domain/usecases/HealthCheckService.kt
@@ -0,0 +1,13 @@
+package be.simplenotes.domain.usecases
+
+import be.simplenotes.persistance.DbHealthCheck
+import javax.inject.Singleton
+
+interface HealthCheckService {
+    fun isOk(): Boolean
+}
+
+@Singleton
+class HealthCheckServiceImpl(private val dbHealthCheck: DbHealthCheck): HealthCheckService {
+    override fun isOk() = dbHealthCheck.isOk()
+}