feat(events/guild): Adding the handling of guildBanRemove event

src/events/guild/guildBanRemove.ts

@@ -0,0 +1,98 @@
+import {
+	AuditLogEvent,
+	Channel,
+	EmbedBuilder,
+	Events,
+	Guild,
+	GuildAuditLogs,
+	GuildBan,
+	User,
+} from 'discord.js';
+import { Guild as GuildPrisma } from '@prisma/client';
+import { prisma } from '@lib/prisma';
+
+export default {
+	name: Events.GuildBanRemove,
+	async execute(ban: GuildBan) {
+		const guild: Guild = ban.guild;
+		const banned_user: User = ban.user;
+		const banFetchLog: GuildAuditLogs<AuditLogEvent.MemberBanAdd> =
+			await guild.fetchAuditLogs({
+				limit: 99,
+				type: AuditLogEvent.MemberBanAdd,
+			});
+		const banLog = banFetchLog.entries.find(
+			(entry) => entry.target?.id === banned_user.id,
+		);
+		const unbanFetchLog: GuildAuditLogs<AuditLogEvent.MemberBanRemove> =
+			await guild.fetchAuditLogs({
+				limit: 99,
+				type: AuditLogEvent.MemberBanRemove,
+			});
+		const unbanLog = unbanFetchLog.entries.find(
+			(entry) => entry.target?.id === banned_user.id,
+		);
+		const executor: string = banLog.executor.username ?? 'Unknown executor';
+		const reason: string = ban.reason ?? banLog.reason ?? 'No reason provided';
+		const bannedAt: number | undefined = banLog?.createdTimestamp;
+		const unbannedAt: number | undefined = unbanLog?.createdTimestamp;
+		let durationFormatted: string | null = null;
+		if (unbannedAt && bannedAt) {
+			const durationMs: number = unbannedAt - bannedAt;
+			const durationTotalSeconds: number = Math.max(0, Math.floor(durationMs / 1000));
+			const durationHours: number = Math.floor(durationTotalSeconds / 3600);
+			const durationMinutes: number = Math.floor((durationTotalSeconds % 3600) / 60);
+			const durationSeconds: number = durationTotalSeconds % 60;
+			const durationParts: string[] = [];
+			if (durationHours > 0) {
+				durationParts.push(`${durationHours}h`);
+			}
+			if (durationMinutes > 0) {
+				durationParts.push(`${durationMinutes}m`);
+			}
+			if (durationSeconds > 0 || durationParts.length === 0) {
+				durationParts.push(`${durationSeconds}s`);
+			}
+			durationFormatted = durationParts.join(' ');
+		}
+		const guildData: GuildPrisma = await prisma.guild.findUnique({
+			where: {
+				id: guild.id,
+			},
+		});
+
+		const toSend: EmbedBuilder = new EmbedBuilder()
+			.setTitle('🔨 | Member Unbanned')
+			.setAuthor({
+				name: `${banned_user.username} (${banned_user.id})`,
+				iconURL: banned_user.displayAvatarURL({
+					size: 2048,
+					extension: 'png',
+				}),
+			})
+			.setColor(guildData.color)
+			.setFooter({
+				text: guildData.footer,
+			})
+			.setTimestamp().setDescription(`
+				**Banned by:**
+				${executor}
+				**Banned the:**
+				${bannedAt ? `<t:${Math.floor(bannedAt / 1000)}:D> (<t:${Math.floor(bannedAt / 1000)}:R>)` : 'No date found'}
+				**Ban Duration:**
+				${durationFormatted ?? 'Cannot calculate the ban duration'}
+				**Reason:**
+				${reason}
+			`);
+		if (guildData.logMod) {
+			const logChannel: Channel | null = await guild.client.channels.fetch(
+				guildData.logMod,
+			);
+			if (logChannel) {
+				logChannel.send({
+					embeds: [toSend],
+				});
+			}
+		}
+	},
+};