[BE] Discord Webhook Messenger 추가

backend/src/main/java/org/ftclub/cabinet/alarm/DiscordAlarmMessage.java

@@ -0,0 +1,32 @@
+package org.ftclub.cabinet.alarm;
+
+import lombok.Builder;
+import lombok.Getter;
+
+import java.time.LocalDateTime;
+import java.time.format.DateTimeFormatter;
+
+@Builder
+@Getter
+public class DiscordAlarmMessage {
+	private static final DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss");
+	private final String subject;
+	private final String packageName;
+	private final String httpMethod;
+	private final String methodName;
+	private final String parameters;
+	private final String returnValue;
+
+	@Override
+	public String toString() {
+		return "```java\n" +
+				"Subject: \"" + subject + "\"\n" +
+				"Issued at: \"" + LocalDateTime.now().format(formatter) + "\"\n" +
+				"Package: \"" + packageName + "\"\n" +
+				"HTTP: \"" + httpMethod + "\"\n" +
+				"Method: \"" + methodName + "\"\n" +
+				"Parameters: \"" + parameters + "\"\n" +
+				"Return: " + returnValue + "\n" +
+				"```";
+	}
+}

backend/src/main/java/org/ftclub/cabinet/alarm/DiscordWebHookMessenger.java

@@ -0,0 +1,30 @@
+package org.ftclub.cabinet.alarm;
+
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.stereotype.Component;
+import org.springframework.web.reactive.function.client.WebClient;
+
+import java.util.HashMap;
+import java.util.Map;
+
+@Component
+public class DiscordWebHookMessenger {
+	private final static String DISCORD_WEBHOOK_MESSAGE_KEY = "content";
+	private final String discordWebHookUrl;
+
+	DiscordWebHookMessenger(@Value("${webhook.discord-admin}") String discordWebHookUrl) {
+		this.discordWebHookUrl = discordWebHookUrl;
+	}
+
+	public void sendMessage(DiscordAlarmMessage message) {
+		Map<String, String> body = new HashMap<>();
+		body.put(DISCORD_WEBHOOK_MESSAGE_KEY, message.toString());
+
+		WebClient.create().post()
+				.uri(discordWebHookUrl)
+				.bodyValue(body)
+				.retrieve()
+				.bodyToMono(String.class)
+				.block();
+	}
+}

backend/src/main/java/org/ftclub/cabinet/log/LogParser.java

@@ -0,0 +1,21 @@
+package org.ftclub.cabinet.log;
+
+import org.ftclub.cabinet.alarm.DiscordAlarmMessage;
+import org.springframework.stereotype.Component;
+
+@Component
+public class LogParser {
+	private static final String delimiter = "#";
+
+	public DiscordAlarmMessage parseToDiscordAlarmMessage(String log) {
+		String[] tokens = log.split(delimiter);
+		return DiscordAlarmMessage.builder()
+				.subject(tokens[0])
+				.packageName(tokens[1])
+				.httpMethod(tokens[2])
+				.methodName(tokens[3])
+				.parameters(tokens[4])
+				.returnValue(tokens[5])
+				.build();
+	}
+}

backend/src/main/java/org/ftclub/cabinet/log/WebHookTestController.java

@@ -0,0 +1,23 @@
+package org.ftclub.cabinet.log;
+
+import lombok.RequiredArgsConstructor;
+import org.ftclub.cabinet.alarm.DiscordAlarmMessage;
+import org.ftclub.cabinet.alarm.DiscordWebHookMessenger;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+@RequiredArgsConstructor
+public class WebHookTestController {
+	private final DiscordWebHookMessenger discordWebHookMessenger;
+	private final LogParser logParser;
+
+	@PostMapping("/test/discord")
+	public void post(
+			@RequestBody String log
+	) {
+		DiscordAlarmMessage discordAlarmMessage = logParser.parseToDiscordAlarmMessage(log);
+		discordWebHookMessenger.sendMessage(discordAlarmMessage);
+	}
+}

backend/src/test/resources/application.yml

@@ -77,3 +77,5 @@ spring:
           starttls:
             enable: true
 
+webhook:
+  discord-admin: https://discord.com/api/webhooks/for-test