update-markdown.js

const { Octokit } = require('@octokit/rest')
const CLIENT_MAP = require('../utils/client-map')

exports.handler = async function (event, context) {
  try {
    const { httpMethod, body } = event

    if (httpMethod !== 'POST') {
      return {
        statusCode: 422,
        body: JSON.stringify({ message: 'Improper request method' }),
      }
    }

    const data = JSON.parse(body)

    const { code, content, sha } = data
    const companyName = CLIENT_MAP.get(code)

    if (!companyName) {
      return {
        statusCode: 404,
        body: JSON.stringify({ message: 'No company found for that code' }),
      }
    }

    const octokit = new Octokit({
      auth: process.env.GITHUB_API_KEY,
    })

    const today = new Date()
    const year = today.getFullYear()
    const month = today.getMonth() + 1
    const day = today.getDate()

    const isDevelopment = process.env.NETLIFY_DEV === 'true'

    const branch = isDevelopment ? 'local-development-working-branch' : 'master'

    await octokit.repos.createOrUpdateFileContents({
      owner: process.env.GITHUB_OWNER,
      repo: 'blacktechpipeline.com',
      path: `content/jobs/posts/${companyName}.md`,
      message: `Manual update by ${companyName} on ${year}-${month}-${day}`,
      branch,
      sha,
      content,
    })

    return {
      statusCode: 201,
      body: JSON.stringify({ message: 'Saved properly' }),
    }
  } catch (error) {
    return {
      statusCode: 422,
      body: JSON.stringify({ message: error.message }),
    }
  }
}