raan-filter-example

app.js

const fetch = require('isomorphic-fetch')
const build = require('redux-object').default
const normalize = require('json-api-normalizer').default

const apiHost = 'https://dev.api.garagemca.org'
const apiEndpoint = '/document/'
const bookId = 'fff0840c-21da-4764-a91f-401548acebcc'

// the function
const filterPeople = (relations, type) => {
  return relations.filter(relation => {
    return relation.role.libraryWebId === type
  }).map(relation => {
    return Object.assign({}, relation.person, {role: relation.role})
  })
}

// usage example
fetch(apiHost + apiEndpoint + bookId)
  .then(res => {
    // process json
    return res.json()
  }).then(json => {
    // normalize data
    const normalised = normalize(json)
    // construct an object
    return build(normalised, 'book', bookId, { eager: true })
  }).then(data => {
    // filter only 'mentioned'
    const mentioned = filterPeople(data.relPersonDocument, 'mentioned')
    console.log('mentioned', mentioned.length)
    // filter only 'authors'
    const authors = filterPeople(data.relPersonDocument, 'authors')
    console.log('authors', authors.length)
    // filter only 'editors'
    const editors = filterPeople(data.relPersonDocument, 'editors')
    console.log('editors', editors.length)
    // filter only 'etc'
    const etc = filterPeople(data.relPersonDocument, 'translators_designers_etc')
    console.log('etc', etc.length)
  })

example-output.json

{ 
  "id": "fb8f94f7-ec1f-4c7c-a61b-f1b7bb9908da",
  "name": "Fischli Peter",
  "nameEn": "Fischli Peter ",
  "defaultNameLang": "en",
  "lastname": "Fischli",
  "firstname": "Peter",
  "midname": null,
  "lastnameRu": null,
  "firstnameRu": null,
  "midnameRu": null,
  "lastnameEn": "Fischli",
  "firstnameEn": "Peter",
  "midnameEn": null,
  "role": {
    "id": "role.personalia",
    "name": "Персоналия",
    "nameEn": "Mentioned",
    "libraryWebId": "mentioned"
  }
}

package.json

{
  "name": "raan-filter-example",
  "version": "0.0.0",
  "main": "app.js",
  "scripts": {
    "test": "node app.js"
  },
  "dependencies": {
    "isomorphic-fetch": "^2.2.1",
    "json-api-normalizer": "^0.4.5",
    "redux-object": "^0.5.3"
  }
}