text: const mongoose = require('mongoose')
  
  const Schema = new mongoose.Schema({
    wagoID: {type: String, index: true},
    viewed:  { type: Date, default: Date.now, expires: 604800 }, // expires after 1 week
    source: {type: String, index: true}
  })
  
  const ViewsThisWeek = mongoose.model('ViewsThisWeek', Schema)
  module.exports = ViewsThisWeek