remove raiseEvent for notifications

Add Test for EventNotification
Add application.conf for test

src/main/kotlin/application/Application.kt

@@ -34,7 +34,6 @@ import fr.dcproject.component.vote.voteKoinModule
 import fr.dcproject.component.workgroup.routes.installWorkgroupRoutes
 import fr.dcproject.component.workgroup.workgroupKoinModule
 import fr.dcproject.event.EventNotification
-import fr.dcproject.event.EventSubscriber
 import fr.dcproject.routes.definition
 import fr.dcproject.routes.notificationArticle
 import fr.dcproject.security.AccessDeniedException
@@ -124,9 +123,7 @@ fun Application.module(env: Env = PROD) {
         masking = false
     }
 
-    install(EventSubscriber) {
-        EventNotification(this, get(), get(), get(), get(), get(), Configuration.exchangeNotificationName).config()
-    }
+    EventNotification(get(), get(), get(), get(), get(), Configuration.exchangeNotificationName, get()).config()
 
     install(Authentication, jwtInstallation(get()))
 

src/main/kotlin/component/article/routes/UpsertArticle.kt

@@ -8,9 +8,8 @@ import fr.dcproject.component.article.routes.UpsertArticle.UpsertArticleRequest.
 import fr.dcproject.component.auth.citizen
 import fr.dcproject.component.auth.citizenOrNull
 import fr.dcproject.component.workgroup.WorkgroupRef
-import fr.dcproject.component.workgroup.WorkgroupRepository
 import fr.dcproject.event.ArticleUpdate
-import fr.dcproject.event.raiseEvent
+import fr.dcproject.event.publisher.Publisher
 import fr.dcproject.security.assert
 import io.ktor.application.ApplicationCall
 import io.ktor.application.call
@@ -35,11 +34,11 @@ object UpsertArticle {
             val tags: List<String> = emptyList(),
             val draft: Boolean = false,
             val versionId: UUID,
-            val workgroup: WorkgroupRef? = null
+            val workgroup: WorkgroupRef? = null,
         )
     }
 
-    fun Route.upsertArticle(repo: ArticleRepository, workgroupRepository: WorkgroupRepository, ac: ArticleAccessControl) {
+    fun Route.upsertArticle(repo: ArticleRepository, publisher: Publisher, ac: ArticleAccessControl) {
         suspend fun ApplicationCall.convertRequestToEntity(): ArticleForUpdate = receive<Input>().run {
             ArticleForUpdate(
                 id = id ?: UUID.randomUUID(),
@@ -60,7 +59,7 @@ object UpsertArticle {
             ac.assert { canUpsert(article, citizenOrNull) }
             val newArticle: ArticleForView = repo.upsert(article) ?: error("Article not updated")
             call.respond(newArticle)
-            raiseEvent(ArticleUpdate.event, ArticleUpdate(newArticle))
+            publisher.publish(ArticleUpdate(newArticle))
         }
     }
 }

src/main/kotlin/event/EventNotification.kt

@@ -1,5 +1,8 @@
 package fr.dcproject.event
 
+import com.fasterxml.jackson.databind.DeserializationFeature
+import com.fasterxml.jackson.databind.ObjectMapper
+import com.fasterxml.jackson.module.kotlin.readValue
 import com.rabbitmq.client.AMQP
 import com.rabbitmq.client.BuiltinExchangeType.DIRECT
 import com.rabbitmq.client.ConnectionFactory
@@ -9,24 +12,18 @@ import com.rabbitmq.client.Envelope
 import fr.dcproject.common.entity.TargetRef
 import fr.dcproject.component.article.ArticleForView
 import fr.dcproject.component.citizen.CitizenRef
-import fr.dcproject.component.follow.FollowRepository
+import fr.dcproject.component.follow.FollowArticleRepository
+import fr.dcproject.component.follow.FollowConstitutionRepository
 import fr.dcproject.component.follow.FollowSimple
 import fr.dcproject.event.publisher.Publisher
 import fr.dcproject.messages.NotificationEmailSender
-import fr.postgresjson.serializer.deserialize
-import io.ktor.application.ApplicationCall
 import io.ktor.application.EventDefinition
-import io.ktor.application.application
-import io.ktor.util.pipeline.PipelineContext
 import io.ktor.utils.io.errors.IOException
 import io.lettuce.core.api.async.RedisAsyncCommands
-import kotlinx.coroutines.GlobalScope
 import kotlinx.coroutines.flow.collect
-import kotlinx.coroutines.launch
 import kotlinx.coroutines.runBlocking
 import org.slf4j.Logger
 import org.slf4j.LoggerFactory
-import fr.dcproject.component.follow.FollowArticleRepository as FollowArticleRepository
 
 class ArticleUpdate(
     target: ArticleForView
@@ -36,18 +33,18 @@ class ArticleUpdate(
     }
 }
 
-fun <T : Event> PipelineContext<Unit, ApplicationCall>.raiseEvent(definition: EventDefinition<T>, value: T) =
-    application.environment.monitor.raise(definition, value)
-
 class EventNotification(
-    private val config: EventSubscriber.Configuration,
     private val rabbitFactory: ConnectionFactory,
     private val redis: RedisAsyncCommands<String, String>,
-    private val followRepo: FollowArticleRepository,
-    private val publisher: Publisher,
+    private val followConstitutionRepo: FollowConstitutionRepository,
+    private val followArticleRepo: FollowArticleRepository,
     private val notificationEmailSender: NotificationEmailSender,
     private val exchangeName: String,
+    mapper: ObjectMapper,
 ) {
+    private val mapper: ObjectMapper = mapper.copy()
+        .configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false)
+
     private val logger: Logger = LoggerFactory.getLogger(Publisher::class.qualifiedName)
 
     fun config() {
@@ -62,13 +59,7 @@ class EventNotification(
             }
         }
 
-        /* Declare publisher on event */
-        config.subscribe(ArticleUpdate.event) {
-            publisher.publish(it)
-        }
-
-        /* Launch Consumer */
-        GlobalScope.launch {
+        /* Define Consumer */
         val rabbitChannel = rabbitFactory.newConnection().createChannel()
 
         val consumerPush: Consumer = object : DefaultConsumer(rabbitChannel) {
@@ -81,9 +72,9 @@ class EventNotification(
             ) = runBlocking {
                 decodeEvent(body) {
                     redis.zadd(
-                            "notification:${follow.createdBy.id}",
-                            event.id,
-                            rawEvent
+                        "notification:${it.follow.createdBy.id}",
+                        it.event.id,
+                        it.rawEvent
                     )
                 }
 
@@ -101,31 +92,28 @@ class EventNotification(
             ) {
                 runBlocking {
                     decodeEvent(body) {
-                            logger.debug("EmailSend to: ${follow.createdBy.id}")
-                            notificationEmailSender.sendEmail(follow)
+                        notificationEmailSender.sendEmail(it.follow)
+                        logger.debug("EmailSend to: ${it.follow.createdBy.id}")
                     }
                 }
                 rabbitChannel.basicAck(envelope.deliveryTag, false)
             }
         }
+        /* Launch Consumer */
         rabbitChannel.basicConsume("push", false, consumerPush) // The front consume the redis via Websocket
         rabbitChannel.basicConsume("email", false, consumerEmail)
     }
-    }
 
-    private suspend fun decodeEvent(body: ByteArray, action: suspend Msg.() -> Unit) {
-        val rawEvent = body.toString(Charsets.UTF_8)
-        val event = rawEvent.deserialize<EntityEvent>() ?: error("Unable to unserialise event message from rabbit")
-        val repo = when (event.type) {
-            "article" -> followRepo
+    private suspend fun decodeEvent(body: ByteArray, action: suspend (Msg) -> Unit) {
+        val rawEvent: String = body.toString(Charsets.UTF_8)
+        val event: EntityEvent = mapper.readValue(rawEvent) ?: error("Unable to deserialize event message from rabbit")
+        val targets = when (event.type) {
+            "article" -> followArticleRepo.findFollowsByTarget(event.target)
+            "constitution" -> followConstitutionRepo.findFollowsByTarget(event.target)
             else -> error("event '${event.type}' not implemented")
-        } as FollowRepository<*, *>
-
-        repo
-            .findFollowsByTarget(event.target)
-            .collect {
-                Msg(event, rawEvent, it).action()
         }
+
+        targets.collect { action(Msg(event, rawEvent, it)) }
     }
 
     private class Msg(

src/main/kotlin/event/publisher/Publisher.kt

@@ -3,9 +3,9 @@ package fr.dcproject.event.publisher
 import com.fasterxml.jackson.databind.ObjectMapper
 import com.rabbitmq.client.ConnectionFactory
 import fr.dcproject.event.EntityEvent
-import kotlinx.coroutines.GlobalScope
-import kotlinx.coroutines.Job
-import kotlinx.coroutines.launch
+import kotlinx.coroutines.Deferred
+import kotlinx.coroutines.async
+import kotlinx.coroutines.coroutineScope
 import org.slf4j.Logger
 import org.slf4j.LoggerFactory
 
@@ -15,8 +15,8 @@ class Publisher(
     private val logger: Logger = LoggerFactory.getLogger(Publisher::class.qualifiedName),
     private val exchangeName: String,
 ) {
-    fun <T : EntityEvent> publish(it: T): Job {
-        return GlobalScope.launch {
+    suspend fun <T : EntityEvent> publish(it: T): Deferred<Unit> = coroutineScope {
+        async {
             factory.newConnection().use { connection ->
                 connection.createChannel().use { channel ->
                     channel.basicPublish(exchangeName, "", null, it.serialize().toByteArray())

src/test/kotlin/functional/EventNotificationTest.kt

@@ -0,0 +1,116 @@
+package functional
+
+import com.fasterxml.jackson.databind.DeserializationFeature
+import com.fasterxml.jackson.databind.PropertyNamingStrategies
+import com.fasterxml.jackson.databind.SerializationFeature
+import com.fasterxml.jackson.databind.module.SimpleModule
+import com.fasterxml.jackson.datatype.joda.JodaModule
+import com.fasterxml.jackson.module.kotlin.jacksonObjectMapper
+import com.rabbitmq.client.ConnectionFactory
+import fr.dcproject.application.Configuration
+import fr.dcproject.component.article.ArticleForView
+import fr.dcproject.component.article.ArticleRef
+import fr.dcproject.component.citizen.CitizenRef
+import fr.dcproject.component.follow.FollowArticleRepository
+import fr.dcproject.component.follow.FollowSimple
+import fr.dcproject.event.ArticleUpdate
+import fr.dcproject.event.EventNotification
+import fr.dcproject.event.publisher.Publisher
+import fr.dcproject.messages.NotificationEmailSender
+import io.ktor.locations.KtorExperimentalLocationsAPI
+import io.ktor.util.KtorExperimentalAPI
+import io.lettuce.core.RedisClient
+import io.lettuce.core.api.async.RedisAsyncCommands
+import io.mockk.every
+import io.mockk.mockk
+import io.mockk.spyk
+import io.mockk.verify
+import kotlinx.coroutines.ExperimentalCoroutinesApi
+import kotlinx.coroutines.InternalCoroutinesApi
+import kotlinx.coroutines.delay
+import kotlinx.coroutines.flow.flow
+import kotlinx.coroutines.runBlocking
+import org.junit.jupiter.api.Tag
+import org.junit.jupiter.api.Test
+import org.junit.jupiter.api.TestInstance
+import org.koin.test.AutoCloseKoinTest
+import org.koin.test.KoinTest
+
+@TestInstance(TestInstance.Lifecycle.PER_CLASS)
+class EventNotificationTest : KoinTest, AutoCloseKoinTest() {
+    @InternalCoroutinesApi
+    @KtorExperimentalLocationsAPI
+    @KtorExperimentalAPI
+    @ExperimentalCoroutinesApi
+    @Test
+    @Tag("functional")
+    fun `can be send notification`() = runBlocking {
+        /* Create mocks and spy's */
+        val emailSender = mockk<NotificationEmailSender>() {
+            every { sendEmail(any()) } returns Unit
+        }
+        val redisClient = spyk<RedisAsyncCommands<String, String>> {
+            RedisClient.create(Configuration.redis).connect().async() ?: error("Unable to connect to redis")
+        }
+        val rabbitFactory: ConnectionFactory = spyk {
+            ConnectionFactory().apply { setUri(Configuration.rabbitmq) }
+        }
+        val followArticleRepo = mockk<FollowArticleRepository> {
+            every { findFollowsByTarget(any()) } returns flow {
+                FollowSimple(
+                    createdBy = CitizenRef(),
+                    target = ArticleRef(),
+                ).let { emit(it) }
+            }
+        }
+        val mapper = jacksonObjectMapper().apply {
+            registerModule(SimpleModule())
+            propertyNamingStrategy = PropertyNamingStrategies.SNAKE_CASE
+
+            registerModule(JodaModule())
+            disable(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS)
+            configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, true)
+        }
+        /* Purge rabbit notification queues */
+        rabbitFactory.newConnection().createChannel().apply {
+            queuePurge("push")
+            queuePurge("email")
+        }
+
+        /* Config consumer */
+        EventNotification(
+            rabbitFactory = rabbitFactory,
+            redis = redisClient,
+            followArticleRepo = followArticleRepo,
+            followConstitutionRepo = mockk(),
+            notificationEmailSender = emailSender,
+            exchangeName = "notification_test",
+            mapper = mapper,
+        ).config()
+        verify { rabbitFactory.newConnection() }
+
+        /* Push message */
+        Publisher(
+            mapper = mapper,
+            factory = rabbitFactory,
+            exchangeName = "notification_test",
+        ).publish(
+            ArticleUpdate(
+                ArticleForView(
+                    title = "MyTitle",
+                    content = "myContent",
+                    description = "myDescription",
+                    createdBy = CitizenRef()
+                )
+            )
+        ).await()
+
+        /* Wait to receive message */
+        delay(300)
+
+        /* Check if notifications sent */
+        verify { followArticleRepo.findFollowsByTarget(any()) }
+        verify { emailSender.sendEmail(any()) }
+        verify { redisClient.zadd(any<String>(), any<Double>(), any<String>()) }
+    }
+}

src/test/resources/application.conf

@@ -0,0 +1,44 @@
+ktor {
+    deployment {
+        port = 8080
+        port = ${?PORT}
+    }
+    application {
+        modules = [ fr.dcproject.ApplicationKt.module ]
+    }
+}
+
+app {
+    envName = prod
+    domain = dc-project.fr
+}
+
+db {
+    host = localhost
+    host = ${?DB_HOST}
+    database = test
+    username = test
+    password = test
+    port = 5432
+}
+
+redis {
+    connection = "redis://localhost:6379"
+    connection = ${?REDIS_CONNECTION}
+}
+
+rabbitmq {
+    connection = "amqp://localhost:5672"
+    connection = ${?RABBITMQ_CONNECTION}
+}
+
+elasticsearch {
+    connection = "http://localhost:9200"
+    connection = ${?ELASTICSEARCH_CONNECTION}
+}
+
+mail {
+    sendGrid {
+        key = "abcd"
+    }
+}