Added level export to excel

src/utils/grading.be.ts

@@ -0,0 +1,23 @@
+import { app } from "@/firebase";
+import { getFirestore, doc, getDoc } from "firebase/firestore";
+import { CEFR_STEPS } from "@/resources/grading";
+import { getUserCorporate } from "@/utils/groups.be";
+import { User } from "@/interfaces/user";
+import { Grading } from "@/interfaces";
+const db = getFirestore(app);
+
+export const getGradingSystem = async (user: User): Promise<Grading> => {
+  const snapshot = await getDoc(doc(db, "grading", user.id));
+  if (snapshot.exists()) return snapshot.data() as Grading;
+
+  if (user.type !== "teacher" && user.type !== "student")
+    return { steps: CEFR_STEPS, user: user.id };
+
+  const corporate = await getUserCorporate(user.id);
+  if (!corporate) return { steps: CEFR_STEPS, user: user.id };
+
+  const corporateSnapshot = await getDoc(doc(db, "grading", corporate.id));
+  if (corporateSnapshot.exists()) return corporateSnapshot.data() as Grading;
+
+  return { steps: CEFR_STEPS, user: user.id };
+};