add files via upload

1 files changed, 43 insertions, 0 deletions

diff --git a/record.js b/record.js
new file mode 100644
index 0000000..a97ebbd
--- /dev/null
+++ b/record.js
@@ -0,0 +1,43 @@
+// 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);