mongoose-crudl/src/list.js

CRUDL operations with Mongoose. (Create, Read, Update, Delete, List)

import { InternalServerError } from 'standard-api-errors'

export default async function list (Model, params = {}, query = {}, populate) {
  try {
    const filter = query.filter || {}
    const select = query.select || {}
    const sort = query.sort || { createdAt: -1 }
    let skip = query.skip || 0
    let limit = query.limit === 'unlimited' ? undefined : (query.limit || 10)

    Object.assign(filter, params)

    if (typeof skip === 'string') {
      skip = parseInt(skip)
    }

    if (typeof limit === 'string') {
      limit = parseInt(limit)
    }

    const [items, count] = await Promise.all([
      Model.find(filter).select(select).sort(sort).skip(skip).limit(limit).populate(populate).exec(),
      Model.count(filter)
    ])

    return {
      status: 200,
      result: {
        items: items.map(item => item.toObject()),
        count
      }
    }
  } catch (e) {
    throw new InternalServerError(`${e.name}: ${e.message}`)
  }
}