Solved a problem related to not showing corporates if they are not in the correct group

src/pages/api/make_user.ts

@@ -174,6 +174,39 @@ async function post(req: NextApiRequest, res: NextApiResponse) {
 				}
 			}
 
+			if (maker.type === "corporate") {
+				await setDoc(doc(db, "codes", code), {creator: maker.id}, {merge: true});
+
+				const q = query(
+					collection(db, "groups"),
+					where("admin", "==", maker.id),
+					where("name", "==", type === "student" ? "Students" : "Teachers"),
+					limit(1),
+				);
+				const snapshot = await getDocs(q);
+
+				if (!snapshot.empty) {
+					const doc = snapshot.docs[0];
+					const participants: string[] = doc.get("participants");
+
+					if (!participants.includes(userId)) {
+						await updateDoc(doc.ref, {
+							participants: [...participants, userId],
+						});
+					}
+				} else {
+					const defaultGroup: Group = {
+						admin: maker.id,
+						id: v4(),
+						name: type === "student" ? "Students" : "Teachers",
+						participants: [userId],
+						disableEditing: true,
+					};
+
+					await setDoc(doc(db, "groups", defaultGroup.id), defaultGroup);
+				}
+			}
+
 			if (!!corporateCorporate && corporateCorporate.type === "mastercorporate" && type === "corporate") {
 				const q = query(collection(db, "groups"), where("admin", "==", corporateCorporate.id), where("name", "==", "corporate"), limit(1));
 				const snapshot = await getDocs(q);