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Wolt Open Notifier

This will notify you when a restaurant is open for delivery.

  1. // ==UserScript==
  2. // @name        Wolt Open Notifier
  3. // @namespace   Violentmonkey Scripts
  4. // @match       https://wolt.com/*
  5. // @grant       none
  6. // @version     1.4
  7. // @author      dutzi
  8. // @license     MIT
  9. // @description This will notify you when a restaurant is open for delivery.
  10. // ==/UserScript==
  11.  
  12. async function checkIfOpen() {
  13.   const id = window.location.pathname.split('/').pop();
  14.   return fetch(`https://restaurant-api.wolt.com/v3/venues/slug/${id}`)
  15.     .then((res) => res.json())
  16.     .then((res) => {
  17.       return res.results[0].delivery_specs.delivery_enabled && res.results[0].online;
  18.     });
  19. }
  20.  
  21. checkIfOpen().then((isOpen) => {
  22.   if (isOpen) {
  23.     return;
  24.   }
  25.  
  26.   const id = window.location.pathname.split('/').pop();
  27.  
  28.   const button = document.createElement('button');
  29.  
  30.   function startWatcher() {
  31.     button.innerText = 'סבבה, נודיע!';
  32.  
  33.     const interval = setInterval(async () => {
  34.       const isOpen = await checkIfOpen();
  35.       if (isOpen) {
  36.         new Notification(`${id} is open!`);
  37.         clearInterval(interval);
  38.       }
  39.     }, 1000);
  40.   }
  41.  
  42.   Object.assign(button.style, {
  43.     position: 'fixed',
  44.     top: '1rem',
  45.     left: '1rem',
  46.     padding: '1rem 2rem',
  47.     fontFamily: 'inherit',
  48.     fontSize: 'inherit',
  49.     fontWeight: 'inherit',
  50.     background: '#000',
  51.     color: '#fff',
  52.     direction: 'rtl'
  53.   });
  54.  
  55.   button.innerText = 'תודיעו לי כשפתוח';
  56.  
  57.   document.body.appendChild(button);
  58.  
  59.   function handleClick() {
  60.     if (Notification.permission === 'denied') {
  61.       alert('Could not show notifications :(');
  62.       return;
  63.     }
  64.  
  65.     button.removeEventListener('click', handleClick);
  66.  
  67.     if (Notification.permission === 'granted') {
  68.       startWatcher();
  69.       return;
  70.     }
  71.  
  72.     Notification.requestPermission().then(function (permission) {
  73.       if (permission !== 'granted') {
  74.         return;
  75.       }
  76.  
  77.       startWatcher();
  78.     });
  79.   }
  80.  
  81.   button.addEventListener('click', handleClick);
  82. });