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// generate a random UID for this user, on page load.
const UID = Math.round(Math.random() * 1000000);
// takes in an event object and updates local storage to contain that event
const recordAction = event => {
let data = localStorage.getItem("cs1300-ab-testing-data");
data = JSON.parse(data);
// check if parsing is correct
if (!Array.isArray(data)) {
console.error("DATA is not an array")
return;
}
// get version form the meta tag on the html file
const version = document.querySelector("meta[name='version']").getAttribute("content");
const uid = UID;
const timestamp = Date.now().toString();
const action = event.type;
let target = event.target.tagName;
let targetId = event.target.id;
if (target == null) {
target = 'N/A'
}
if (targetId) {
target += `#${targetId}`
}
data.push({uid, version, action, target, timestamp});
localStorage.setItem("cs1300-ab-testing-data", JSON.stringify(data));
}
// to be called on the click that determined when the task is completed to clean up event listeners
const done = event => {
// record this event
recordAction(event);
// TODO: remove event listeners
window.removeEventListener('load', recordAction);
window.removeEventListener('click', recordAction);
location.href = 'index.html';
}
window.addEventListener('load', recordAction);
window.addEventListener('click', recordAction);
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