chore: 디스코드 연동 세팅

build.gradle

@@ -61,6 +61,9 @@ dependencies {
 
     // Actuator
     implementation 'org.springframework.boot:spring-boot-starter-actuator'
+
+    // Discord
+    implementation 'net.dv8tion:JDA:5.0.0-beta.20'
 }
 
 tasks.named('test') {

src/main/java/com/gdschongik/gdsc/domain/discord/listener/PingpongListener.java

@@ -0,0 +1,30 @@
+package com.gdschongik.gdsc.domain.discord.listener;
+
+import com.gdschongik.gdsc.global.discord.Listener;
+import lombok.extern.slf4j.Slf4j;
+import net.dv8tion.jda.api.entities.Message;
+import net.dv8tion.jda.api.entities.User;
+import net.dv8tion.jda.api.entities.channel.concrete.TextChannel;
+import net.dv8tion.jda.api.events.message.MessageReceivedEvent;
+import net.dv8tion.jda.api.hooks.ListenerAdapter;
+
+@Slf4j
+@Listener
+public class PingpongListener extends ListenerAdapter {
+
+    @Override
+    public void onMessageReceived(MessageReceivedEvent event) {
+        User author = event.getAuthor();
+        TextChannel channel = event.getChannel().asTextChannel();
+        Message message = event.getMessage();
+        String content = message.getContentRaw(); // get only textual content of message
+
+        log.info("Message from {} in {}: {}", author.getName(), channel.getName(), message.getContentDisplay());
+
+        if (author.isBot()) return;
+
+        if (content.equals("!ping")) {
+            channel.sendMessage("Pong!").queue();
+        }
+    }
+}

src/main/java/com/gdschongik/gdsc/global/config/DiscordConfig.java

@@ -0,0 +1,37 @@
+package com.gdschongik.gdsc.global.config;
+
+import com.gdschongik.gdsc.global.discord.ListenerBeanPostProcessor;
+import com.gdschongik.gdsc.global.property.DiscordProperty;
+import lombok.RequiredArgsConstructor;
+import net.dv8tion.jda.api.JDA;
+import net.dv8tion.jda.api.JDABuilder;
+import net.dv8tion.jda.api.entities.Activity;
+import net.dv8tion.jda.api.requests.GatewayIntent;
+import net.dv8tion.jda.api.utils.MemberCachePolicy;
+import org.springframework.boot.autoconfigure.condition.ConditionalOnBean;
+import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+@Configuration
+@RequiredArgsConstructor
+public class DiscordConfig {
+
+    private final DiscordProperty discordProperty;
+
+    @Bean
+    @ConditionalOnProperty(value = "discord.enabled", havingValue = "true", matchIfMissing = true)
+    public JDA jda() {
+        return JDABuilder.createDefault(discordProperty.getToken())
+                .setActivity(Activity.playing("테스트"))
+                .enableIntents(GatewayIntent.GUILD_MESSAGES, GatewayIntent.MESSAGE_CONTENT, GatewayIntent.GUILD_MEMBERS)
+                .setMemberCachePolicy(MemberCachePolicy.ALL)
+                .build();
+    }
+
+    @Bean
+    @ConditionalOnBean(JDA.class)
+    public ListenerBeanPostProcessor listenerBeanPostProcessor(JDA jda) {
+        return new ListenerBeanPostProcessor(jda);
+    }
+}

src/main/java/com/gdschongik/gdsc/global/config/PropertyConfig.java

@@ -1,11 +1,12 @@
 package com.gdschongik.gdsc.global.config;
 
+import com.gdschongik.gdsc.global.property.DiscordProperty;
 import com.gdschongik.gdsc.global.property.JwtProperty;
 import com.gdschongik.gdsc.global.property.RedisProperty;
 import com.gdschongik.gdsc.global.property.SwaggerProperty;
 import org.springframework.boot.context.properties.EnableConfigurationProperties;
 import org.springframework.context.annotation.Configuration;
 
-@EnableConfigurationProperties({JwtProperty.class, RedisProperty.class, SwaggerProperty.class})
+@EnableConfigurationProperties({JwtProperty.class, RedisProperty.class, SwaggerProperty.class, DiscordProperty.class})
 @Configuration
 public class PropertyConfig {}

src/main/java/com/gdschongik/gdsc/global/discord/Listener.java

@@ -0,0 +1,12 @@
+package com.gdschongik.gdsc.global.discord;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+import org.springframework.stereotype.Component;
+
+@Target(ElementType.TYPE)
+@Retention(RetentionPolicy.RUNTIME)
+@Component
+public @interface Listener {}

src/main/java/com/gdschongik/gdsc/global/discord/ListenerBeanPostProcessor.java

@@ -0,0 +1,19 @@
+package com.gdschongik.gdsc.global.discord;
+
+import lombok.RequiredArgsConstructor;
+import net.dv8tion.jda.api.JDA;
+import org.springframework.beans.factory.config.BeanPostProcessor;
+
+@RequiredArgsConstructor
+public class ListenerBeanPostProcessor implements BeanPostProcessor {
+
+    private final JDA jda;
+
+    @Override
+    public Object postProcessAfterInitialization(Object bean, String beanName) {
+        if (bean.getClass().isAnnotationPresent(Listener.class)) {
+            jda.addEventListener(bean);
+        }
+        return bean;
+    }
+}

src/main/java/com/gdschongik/gdsc/global/property/DiscordProperty.java

@@ -0,0 +1,13 @@
+package com.gdschongik.gdsc.global.property;
+
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import org.springframework.boot.context.properties.ConfigurationProperties;
+
+@Getter
+@AllArgsConstructor
+@ConfigurationProperties(prefix = "discord")
+public class DiscordProperty {
+
+    private final String token;
+}

src/main/resources/application-discord.yml

@@ -0,0 +1,2 @@
+discord:
+  token: ${DISCORD_BOT_TOKEN:}

src/main/resources/application.yml

@@ -9,6 +9,7 @@ spring:
       - security
       - swagger
       - actuator
+      - discord
 
 logging:
   level:

src/test/java/com/gdschongik/gdsc/GdscApplicationTests.java

@@ -2,8 +2,10 @@
 
 import org.junit.jupiter.api.Test;
 import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.context.ActiveProfiles;
 
 @SpringBootTest
+@ActiveProfiles("test")
 class GdscApplicationTests {
 
     @Test

src/test/java/com/gdschongik/gdsc/domain/member/application/AdminMemberServiceTest.java

@@ -10,8 +10,10 @@
 import org.junit.jupiter.api.Test;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.context.ActiveProfiles;
 
 @SpringBootTest
+@ActiveProfiles("test")
 class AdminMemberServiceTest {
     @Autowired
     private MemberRepository memberRepository;

src/test/resources/application-test.yml

@@ -5,3 +5,6 @@ spring:
 
   datasource:
     url: jdbc:h2:mem:test;DB_CLOSE_DELAY=-1;DB_CLOSE_ON_EXIT=false;MODE=MYSQL
+
+discord:
+  enabled: false