/* // Custom JS | written by github.com/wdzajicek // © 2020 Kankakee Community College // =================================================== */ // JS module to build alert message using data from Google Sheets API v4 // // This exported module requires you pass it's default-function the `response` object from the API call, as the only argument import contentHashLink from './contentHashLink.js'; import parseMarkdownToHTML from './parseMarkdownToHTML.js'; // Parses a simplified markdown into html & creates the paragraph el's with appropriate class // const CAMPUS_ALERTS_DIV_ID_STRING = 'emergencyAlerts'; // ID of the div to house campus alerts - already built into the page. const ALERTS_VISIBLE_CLASS = 'position__offset-alert–visible';
function injectAlert(target, alert) {
target.innerHTML = alert; return target.classList.add(ALERTS_VISIBLE_CLASS);
}
function createAlertsHtml(response) { // Incoming response from our Google Sheet via the Sheets API
// This is where the cell values hide in the response object from the Google API. let [visibility, allPages, content, expire, start, end] = response.result.values[2]; // The 3rd row has our table's data if (visibility === 'FALSE') return contentHashLink(); // Predefined dropdown options in the Sheet are `'TRUE'` & `'FALSE'` const TARGET = document.getElementById(CAMPUS_ALERTS_DIV_ID_STRING); // This targets an element built into the DOM that we inject everything into. let d = new Date; let s = new Date(start); let e = new Date(end); const alertIsActive = expire === 'FALSE' || expire === 'TRUE' && s.getTime() <= d.getTime() && e.getTime() > d.getTime(); const indexPageOnly = allPages === 'TRUE' || allPages === 'FALSE' && window.location.pathname == '/'; let alert = `
<div class=“container”>
<div class="row"> <div class="col"> <div class="alert alert-warning"> ${parseMarkdownToHTML(content)} </div> </div> </div>
</div>`;
[d,s,e].map(d => d.setHours(0, 0, 0, 0)); alertIsActive && indexPageOnly ? injectAlert(TARGET, alert) : null; return contentHashLink();
}
export default createAlertsHtml;