Sample script for integrating with Range's incoming webhooks.

oncall-notifier.js

// oncall-notifier.js is a sample script that demonstrates using the incoming
// webhook to create suggestions for users. It generates a snippet that indicates
// the user is now oncall.

const crypto = require('crypto');
const querystring = require('querystring');
const https = require('https');

const webhookURL = '[YOUR-WEBHOOK-URL]';
const targetUser = '[YOUR-EMAIL-ADDRESS]';

// For the purposes of this test script, use the date as the source ID.
const rotationIdentifier = new Date().toISOString().split('T')[0];

// The payload is serialized JSON.
const payload = JSON.stringify({
  email_hash: emailHash(targetUser),
  is_future: true,
  reason: 'ASSIGNED',
  dedupe_strategy: 'UPSERT_PENDING',
  attachment: {
    source_id: rotationIdentifier,
    provider: 'oncall',
    provider_name: 'On Call Notifier',
    html_url: `https://oncall.acme.corp/rotation/${rotationIdentifier}`,
    name: 'Primary on call',
    type: 'LINK'
  }
});

// The payload should be application/json and sent via a POST request.
const opts = {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
    'Content-Length': Buffer.byteLength(payload)
  }
};

// Make the request.
let req = https.request(webhookURL, opts, res => {
  res.setEncoding('utf8');
  res.on('data', chunk => {
    console.log(chunk);
  });
});
req.write(payload);
req.end();

function emailHash(email) {
  let shasum = crypto.createHash('sha1');
  shasum.update(email);
  return shasum.digest('hex');
}