CodeGrid Count of Genko

cgcount.js

const api = {
  uri: {
    entry: 'https://app.codegrid.net/api/entry',
    author: 'https://app.codegrid.net/api/author',
  },
  options: {
    mode: 'cors',
  }
}
const countout = [
  'soto',
  'y-maru',
  'hokaccha',
  'studio-kakky',
  'matori',
]

function filterAuthors(authors) {
  return authors.filter((author) => {
    return !countout.includes(author.slug)
  })
}

function filterEntriesByYear(entries, year) {
  return entries.filter(entry => {
    return (
      new Date(entry.published).getFullYear() === year
    )
  })
}

function countEntryByAuthor(entries, authors) {
  return authors.map(author => {
    let counter = 0
    entries.forEach(entry => {
      if (!entry.authors.includes(author._id)) return
      if (entry.authors.length === 1) {
        counter += 1
      }
      else if (entry.authors.length === 2) {
        counter += 0.5
      }
    })
    return {
      author: author.slug,
      count: counter,
    }
  }).sort((a, b) => a.count > b.count ? -1 : 1)
}

function createMsg(entryCount) {
  return entryCount.map(data => {
    return `${data.author}: ${data.count}`
  }).join('\n')
}

function exec(year) {
  Promise.resolve()
  .then(() => fetch(api.uri.entry, api.options))
  .then(res => res.json())
  .then(entries => filterEntriesByYear(entries, year))
  .then(entries => {
    return Promise.resolve()
      .then(() => fetch(api.uri.author, api.options))
      .then(res => res.json())
      .then(authors => filterAuthors(authors))
      .then(authors => countEntryByAuthor(entries, authors))
      .then(entryCount => createMsg(entryCount))
      .then(msg => console.log(msg))
  })
}