const mongoose = require('mongoose')
const paginate = require('mongoose-paginate-v2')

function video(vid) {
  if (vid) return '/uploads/videos/' + vid
}

function image(img) {
  return '/uploads/images/blog/' + img
}

function thumb(img) {
  return '/uploads/images/blog/thumb/' + img
}

const LearningSchema = mongoose.Schema({
  _creator: { type: mongoose.ObjectId, ref: 'User' },
  title: String,
  short_description: String,
  description: String,
  cover: { type: String, get: image },
  video: { type: String, get: video },
  thumb: { type: String, get: thumb }
})
LearningSchema.plugin(paginate)

module.exports = mongoose.model('Learning', LearningSchema)