const {Schema, model} = require('mongoose')

const MaterialsSchema = new Schema({
    name: {
      type: String,
      required: true,
      trim: true
    },
    os: {
      type: String,
      trim: true
    }
  });

const SessionsSchema = new Schema({
    user:{
        type: Schema.Types.ObjectId,
        ref: 'User',
        required : true
    },
    logDate: {
        type: Date,
        required: true
    },
    material: MaterialsSchema 
},{
    timestamps: true
}) 

SessionsSchema.index({user:1})

module.exports = model('Session', SessionsSchema)