configurações iniciais para upload de arquivos

backend/controllers/ExtractStudents.js

@@ -0,0 +1,32 @@
+const exceljs = require('exceljs');
+
+exports.extractStudents = async (req, res) => {
+  const arquivo = req.file;
+
+  const workbook = new exceljs.Workbook();
+  try {
+    await workbook.xlsx.load(arquivo.buffer);
+    const primeiraPlanilha = workbook.worksheets[0];
+
+    const nomesColunas = primeiraPlanilha.getRow(1).values;
+
+    const dados = [];
+
+    for (let rowIndex = 2; rowIndex <= primeiraPlanilha.rowCount; rowIndex++) {
+      const linha = primeiraPlanilha.getRow(rowIndex);
+      const dadosLinha = {};
+      nomesColunas.forEach((nomeColuna, columnIndex) => {
+        dadosLinha[nomeColuna] = linha.getCell(columnIndex + 1).value;
+      });
+      dados.push(dadosLinha);
+    }
+
+
+    console.log('Dados extraídos:', dados);
+
+    res.json({ mensagem: 'Arquivo Excel recebido e processado com sucesso!' });
+  } catch (erro) {
+    console.error('Erro ao processar arquivo Excel:', erro);
+    res.status(500).json({ erro: 'Erro ao processar arquivo Excel.' });
+  }
+};

backend/index.js

@@ -7,6 +7,7 @@ const learningPathRoute = require('./views/routes/LearningPaths')
 const logoutRoutes = require('./views/routes/Users');
 const sequelize = require('sequelize');
 const deleteLearningPathsRoute = require('./views/routes/LearningPaths');
+const extractStudentsRoutes = require('./views/routes/Extract');
 
 require("dotenv").config();
 const app = express();
@@ -18,6 +19,7 @@ app.use('/auth', userRoute);
 app.use('/elective', electiveRoute);
 app.use('/learningpath', learningPathRoute);
 app.use('/api', logoutRoutes);
+app.use('/send-file', extractStudentsRoutes);
 
 let test = process.env.DB_USERNAME
 

backend/views/routes/Extract.js

@@ -0,0 +1,10 @@
+const express = require('express');
+const multer = require('multer');
+const router = express.Router();
+const extractController =  require('../../controllers/ExtractStudents')
+
+const storage = multer.memoryStorage();
+const upload = multer({ storage: storage });
+
+router.post("/extract-students", upload.single('arquivo'), extractController.extractStudents);
+module.exports = router; 

frontend/src/pages/SendStudents/index.js

@@ -0,0 +1,47 @@
+import React, { useState } from 'react';
+import axios from 'axios';
+import { Container, Flex} from "@chakra-ui/react";
+import Header from "../../components/Header/index.js";
+import Footer from "../../components/Footer/index.js";
+import { ChakraProvider } from "@chakra-ui/react";
+
+import { Link } from "react-router-dom";
+
+const SendStudent = () => {
+
+    const [selectedFile, setSelectedFile] = useState(null);
+
+    const handleFileChange = (event) => {
+        setSelectedFile(event.target.files[0]);
+    }
+
+    const handleUpload = () => {
+        const formData = new FormData();
+        formData.append('arquivo', selectedFile);
+
+        axios.post('http://localhost:3001/send-file/extract-students', formData)
+        .then(response => {
+            console.log('Resposta do servidor:', response.data);
+        })
+        .catch(error => {
+            console.error('Erro ao enviar arquivo:', error);
+        })
+    }
+
+  return (
+
+    <ChakraProvider>
+      <Flex direction="column" minH="100vh">
+      <Header />
+      <Container flex="1">
+          <input type="file" onChange={handleFileChange} />
+          <button onClick={handleUpload}>Enviar Arquivo</button>
+      </Container>
+      <Footer />
+    </Flex>
+    </ChakraProvider>
+
+  );
+};
+
+export default SendStudent;

frontend/src/routes/index.js

@@ -8,6 +8,7 @@ import ExclusionTrilhas from "../pages/ExclusionTrilhas";
 import ExclusionEletivas from "../pages/ExclusionEletivas"
 import CreateEletivas from "../pages/CreateEletivas";
 import CreateTrilhas from "../pages/CreateTrilhas";
+import SendStudent from "../pages/SendStudents"
 
 const Private = ({ Item }) => {
   const { signed } = useAuth();
@@ -27,6 +28,7 @@ const RoutesApp = () => {
           <Route path="/excluir-eletivas" element={<ExclusionEletivas />} />
           <Route path="/criar-trilha" element={<CreateTrilhas />} />
           <Route path="/excluir-trilhas" element={<ExclusionTrilhas />} />
+          <Route path="/cadastrar-estudantes" element={<SendStudent />} />
         </Routes>
       </Fragment>
     </BrowserRouter>

package.json

@@ -0,0 +1,6 @@
+{
+  "dependencies": {
+    "exceljs": "^4.4.0",
+    "multer": "^1.4.5-lts.1"
+  }
+}