const mongoose = require('mongoose'); const buyDocumentSchema = new mongoose.Schema({ id: { type: String, required: true, unique: true, index: true }, ownerCompanyId: { type: String, required: true, index: true }, name: { type: String, required: true }, type: { type: String, required: true }, size: { type: Number, required: true }, filePath: { type: String, required: true }, acceptedBy: { type: [String], default: [] }, createdAt: { type: Date, default: Date.now, index: true } }); module.exports = mongoose.model('BuyDocument', buyDocumentSchema);