feat(event/guild): creation of the event guildMemberAdd

This event will:
  - Send the welcome message (setup on the welcome command)
  - Send the logs message (setup on log in logMember)

src/events/guild/guildMemberAdd.ts

@@ -0,0 +1,84 @@
+import { Channel, EmbedBuilder, Events, GuildMember } from 'discord.js';
+import { Guild as GuildPrisma } from '@prisma/client';
+import { prisma } from '@lib/prisma';
+import { placeholder } from '@lib/placeholder';
+
+export default {
+	name: Events.GuildMemberAdd,
+	async execute(member: GuildMember) {
+		const memberId: string = member.id;
+		const guildId: string = member.guild.id;
+		const guildData: GuildPrisma = await prisma.guild.findUnique({
+			where: {
+				id: guildId,
+			},
+		});
+		if (guildData.joinEnabled) {
+			const fetchedChannel: Channel | null = await member.client.channels.fetch(guildData.joinChannel as string);
+			if (fetchedChannel) {
+				fetchedChannel.send({
+					content: placeholder(guildData.joinMessage, member),
+				});
+			}
+		}
+		if (guildData.logMember) {
+			const toSend: EmbedBuilder = new EmbedBuilder()
+				.setTitle('🛬 | Member just joined')
+				.setAuthor({
+					name: `${member.user.username} (${member.user.id})`,
+					iconURL: member.displayAvatarURL({
+						size: 2048,
+						extension: 'png',
+					}),
+				})
+				.setColor(guildData.color)
+				.setFooter({
+					text: guildData.footer,
+				})
+				.setTimestamp()
+				.setDescription(`
+					**Acount Creation:**
+					<t:${Math.floor(member.user.createdTimestamp / 1000)}:D> (<t:${Math.floor(member.user.createdTimestamp / 1000)}:R>)
+					**JoinDate:**
+					<t:${Math.floor(member.joinedTimestamp / 1000)}:D> (<t:${Math.floor(member.joinedTimestamp / 1000)}:R>)
+				`);
+			const fetchedChannel: Channel | null = await member.client.channels.fetch(guildData.logMember as string);
+			if (fetchedChannel) {
+				fetchedChannel.send({
+					embeds: [toSend],
+				});
+			}
+		}
+		await prisma.user.upsert({
+			where: {
+				id: memberId,
+			},
+			update: {},
+			create: {
+				id: memberId,
+			},
+		});
+		await prisma.guildUser.upsert({
+			where: {
+				userId_guildId: {
+					userId: memberId,
+					guildId: guildId,
+				},
+			},
+			update: {},
+			create: {
+				user: {
+					connect:
+					{
+						id: memberId,
+					},
+				},
+				guild: {
+					connect: {
+						id: guildId,
+					},
+				},
+			},
+		});
+	},
+};