routes/(apps)/notes/api/notes/import-xlsx.ts

@@ -0,0 +1,49 @@
+// @deno-types="https://cdn.sheetjs.com/xlsx-0.20.3/package/types/index.d.ts"
+import * as XLSX from "https://cdn.sheetjs.com/xlsx-0.20.3/package/xlsx.mjs";
+import { Handlers } from "$fresh/server.ts";
+import { db } from "../../../../../databases/db.ts";
+import { notes } from "../../../../../databases/schema.ts";
+
+export const handler: Handlers = {
+  // # 44 POST /notes/import-xlsx 
+  async POST(request) {
+    try {
+      const formData = await request.formData();
+      const file = formData.get("file");
+      const idModule = formData.get("idModule");
+
+      if (!file || !(file instanceof File)) {
+        return new Response("Champ 'file' manquant", { status: 400 });
+      }
+
+      if (!idModule || typeof idModule !== "string") {
+        return new Response("Champ 'idModule' manquant", { status: 400 });
+      }
+
+      const buffer = await file.arrayBuffer();
+      const workbook = XLSX.read(buffer);
+      const sheet = workbook.Sheets[workbook.SheetNames[0]];
+      const rows = XLSX.utils.sheet_to_json(sheet) as { numEtud: number; note: number }[];
+
+      for (const row of rows) {
+        const { numEtud, note } = row;
+
+        if (!numEtud || note === undefined) {
+          continue;
+        }
+
+        await db.insert(notes)
+          .values({ numEtud, idModule, note })
+          .onConflictDoUpdate({
+            target: [notes.numEtud, notes.idModule],
+            set: { note },
+          });
+      }
+
+      return new Response(null, { status: 204 });
+    } catch (error) {
+      console.error("Error importing notes:", error);
+      return new Response("Failed to import notes", { status: 500 });
+    }
+  },
+};