feat ( #33 ) : producer 추가

Author: qkrwndnjs1075

casper-application-infrastructure/src/main/kotlin/hs/kr/entrydsm/application/domain/application/event/producer/ApplicationEventProducer.kt

@@ -0,0 +1,24 @@
+package hs.kr.entrydsm.application.domain.application.event.producer
+
+import com.fasterxml.jackson.databind.ObjectMapper
+import hs.kr.entrydsm.application.domain.application.event.dto.CreateApplicationEvent
+import hs.kr.entrydsm.application.global.kafka.configuration.KafkaTopics
+import hs.kr.entrydsm.domain.application.interfaces.ApplicationCreateEventContract
+import org.springframework.kafka.core.KafkaTemplate
+import org.springframework.stereotype.Component
+import java.util.UUID
+
+@Component
+class ApplicationEventProducer(
+    private val mapper: ObjectMapper,
+    private val createApplicationTemplate: KafkaTemplate<String, Any>
+): ApplicationCreateEventContract {
+
+    override fun publishCreateApplication(receiptCode: Long, userId: UUID) {
+        val createApplicationEvent = CreateApplicationEvent(receiptCode, userId)
+        createApplicationTemplate.send(
+            KafkaTopics.CREATE_APPLICATION,
+            mapper.writeValueAsString(createApplicationEvent)
+        )
+    }
+}