add helper to upsert a guild member

src/helpers/upsertGuildMember/index.ts

@@ -0,0 +1,38 @@
+import { GuildMember } from "discord.js";
+import db from "../../handlers/database";
+
+export default async (guildMember: GuildMember) => {
+  const { guild, user } = guildMember;
+
+  return await db.guildMember.upsert({
+    where: {
+      userId_guildId: {
+        userId: user.id,
+        guildId: guild.id,
+      },
+    },
+    update: {},
+    create: {
+      user: {
+        connectOrCreate: {
+          create: {
+            id: user.id,
+          },
+          where: {
+            id: user.id,
+          },
+        },
+      },
+      guild: {
+        connectOrCreate: {
+          create: {
+            id: guild.id,
+          },
+          where: {
+            id: guild.id,
+          },
+        },
+      },
+    },
+  });
+};