feat: Slack 메세지 전송 기능 구현/비동기 설정

src/main/kotlin/com/yourssu/soongpt/SoongptApplication.kt

@@ -3,8 +3,12 @@ package com.yourssu.soongpt
 import org.springframework.boot.autoconfigure.SpringBootApplication
 import org.springframework.boot.context.properties.ConfigurationPropertiesScan
 import org.springframework.boot.runApplication
+import org.springframework.cloud.openfeign.EnableFeignClients
+import org.springframework.scheduling.annotation.EnableAsync
 
 @SpringBootApplication
+@EnableFeignClients
+@EnableAsync
 @ConfigurationPropertiesScan
 class SoongptApplication
 

src/main/kotlin/com/yourssu/soongpt/common/config/SlackProperties.kt

@@ -0,0 +1,8 @@
+package com.yourssu.soongpt.common.config
+
+import org.springframework.boot.context.properties.ConfigurationProperties
+
+@ConfigurationProperties(prefix = "slack")
+class SlackProperties(
+    val channelId: String,
+)

src/main/kotlin/com/yourssu/soongpt/common/infrastructure/SlackAlarmFeignClient.kt

@@ -0,0 +1,16 @@
+package com.yourssu.soongpt.common.infrastructure
+
+import com.yourssu.soongpt.common.infrastructure.dto.SlackAlarmRequest
+import org.springframework.cloud.openfeign.FeignClient
+import org.springframework.stereotype.Component
+import org.springframework.web.bind.annotation.PostMapping
+import org.springframework.web.bind.annotation.RequestBody
+
+@Component
+@FeignClient(
+    name = "slackAlarmClient",
+)
+interface SlackAlarmFeignClient {
+    @PostMapping
+    fun sendAlarm(@RequestBody request: SlackAlarmRequest)
+}

src/main/kotlin/com/yourssu/soongpt/common/infrastructure/SlackAlarmProducer.kt

@@ -0,0 +1,21 @@
+package com.yourssu.soongpt.common.infrastructure
+
+import com.yourssu.soongpt.common.config.SlackProperties
+import com.yourssu.soongpt.common.infrastructure.dto.SlackAlarmRequest
+import org.springframework.scheduling.annotation.Async
+import org.springframework.stereotype.Component
+
+@Component
+class SlackAlarmProducer(
+    private val slackAlarmFeignClient: SlackAlarmFeignClient,
+    private val slackProperties: SlackProperties,
+) {
+    @Async
+    fun sendAlarm(message: String) {
+        try {
+            slackAlarmFeignClient.sendAlarm(SlackAlarmRequest(channel = slackProperties.channelId, text = message))
+        } catch (e: Exception) {
+            e.printStackTrace()
+        }
+    }
+}

src/main/kotlin/com/yourssu/soongpt/common/infrastructure/dto/SlackAlarmRequest.kt

@@ -0,0 +1,6 @@
+package com.yourssu.soongpt.common.infrastructure.dto
+
+data class SlackAlarmRequest(
+    val channel: String,
+    val text: String,
+)

src/test/kotlin/com/yourssu/soongpt/common/infrastructure/SlackAlarmProducerTest.kt

@@ -0,0 +1,37 @@
+package com.yourssu.soongpt.common.infrastructure
+
+import com.yourssu.soongpt.common.support.config.ApplicationTest
+import org.junit.jupiter.api.*
+import org.mockito.kotlin.any
+import org.mockito.kotlin.times
+import org.mockito.kotlin.verify
+import org.springframework.beans.factory.annotation.Autowired
+import org.springframework.test.context.bean.override.mockito.MockitoBean
+
+@ApplicationTest
+class SlackAlarmProducerTest {
+    @Autowired
+    private lateinit var slackAlarmProducer: SlackAlarmProducer
+
+    @MockitoBean
+    private lateinit var slackAlarmFeignClient: SlackAlarmFeignClient
+
+    @Nested
+    @DisplayNameGeneration(DisplayNameGenerator.ReplaceUnderscores::class)
+    inner class sendAlarm_메서드는 {
+        private val message = "메세지 형식 테스트"
+
+        @Nested
+        @DisplayNameGeneration(DisplayNameGenerator.ReplaceUnderscores::class)
+        inner class 메세지가_주어지면 {
+            @Test
+            @DisplayName("yaml 파일에 설정된 채널로 슬랙 메세지를 비동기 방식으로 보낸다.")
+            fun success() {
+                slackAlarmProducer.sendAlarm(message)
+
+                verify(slackAlarmFeignClient, times(1))
+                    .sendAlarm(any())
+            }
+        }
+    }
+}