import mongoose from "mongoose"; const materialSchema = new mongoose.Schema({ name: { required: true, type: String }, url: { required: false, type: String }, image: { required: false, type: Buffer }, tags: [{ type: String }], }); materialSchema.virtual("id").get(function () { return this._id.toHexString(); }); materialSchema.set("toJSON", { virtuals: true }); export const materialModel = mongoose.model("Material", materialSchema);