feat: menambahkan api untuk task project dan submission

src/modules/task/helpers/taskUpload.helper.js

@@ -0,0 +1,95 @@
+const multer = require('multer');
+const path = require('path');
+const fs = require('fs');
+
+const baseUploadDir = process.env.NODE_ENV === 'production'
+  ? '/tmp/uploads'
+  : path.join(__dirname, '../../uploads');
+
+const taskUploadDir = path.join(baseUploadDir, 'task-submissions');
+
+if (!fs.existsSync(taskUploadDir)) {
+  fs.mkdirSync(taskUploadDir, { recursive: true });
+}
+
+const storage = multer.diskStorage({
+  destination: (_req, _file, cb) => cb(null, taskUploadDir),
+  filename: (_req, file, cb) => {
+    const uniqueSuffix = Date.now() + '-' + Math.round(Math.random() * 1E9);
+    cb(null, uniqueSuffix + path.extname(file.originalname));
+  },
+});
+
+const allowedMimeTypes = [
+  'application/pdf',
+  // 'application/vnd.openxmlformats-officedocument.wordprocessingml.document',
+  // 'application/zip',
+  // 'application/x-zip-compressed',
+];
+
+const fileFilter = (req, file, cb) => {
+  if (allowedMimeTypes.includes(file.mimetype)) {
+    cb(null, true);
+    return;
+  }
+
+  // const errMsg = 'Only PDF, DOCX, or ZIP files are allowed';
+  const errMsg = 'Only PDF files are allowed';
+  req.fileValidationError = errMsg;
+  cb(new Error(errMsg), false);
+};
+
+const taskUpload = multer({
+  storage,
+  fileFilter,
+  limits: {
+    fileSize: 2 * 1024 * 1024, //2MB
+  },
+});
+
+const taskUploadErrorHandler = (err, _req, res, next) => {
+  if (err instanceof multer.MulterError) {
+    if (err.code === 'LIMIT_FILE_SIZE') {
+      return res.status(413).json({
+        status: false,
+        data: null,
+        message: 'File size is too large. Maximum size is 2MB',
+        code: 413,
+      });
+    }
+
+    if (err.code === 'LIMIT_UNEXPECTED_FILE') {
+      return res.status(400).json({
+        status: false,
+        data: null,
+        message: {
+          [err.field]: `Field '${err.field}' cannot have more than 1 file.`,
+        },
+        code: 400,
+      });
+    }
+
+    return res.status(400).json({
+      status: false,
+      data: null,
+      message: err.message,
+      code: 400,
+    });
+  }
+
+  if (err) {
+    return res.status(400).json({
+      status: false,
+      data: null,
+      message: err.message || 'Error while uploading file',
+      code: 400,
+    });
+  }
+
+  next();
+};
+
+module.exports = {
+  taskUpload,
+  taskUploadErrorHandler,
+};