1 files changed, 43 insertions, 0 deletions
diff --git a/frontend/src/HubList.js b/frontend/src/HubList.js
new file mode 100644
index 0000000..9947d5e
--- /dev/null
+++ b/frontend/src/HubList.js
@@ -0,0 +1,43 @@
+// React and component imports
+import { useEffect, useState } from "react";
+import Hub from './Hub';
+
+/**
+ * Component that build the checkin list and displays checkin info.
+ * @returns {import('react').HtmlHTMLAttributes} A div with the checkins 
+ * in a vertical layout.
+ */
+function HubList(props) {
+  const [hubItems, setHubItems] = useState([]);
+
+    /**
+     * Loads new the checkins into the current cache/map of checkins.
+     */
+    const updateHubItems = () => {
+        let tempCheckinItems = [];
+        const sorted = Object.entries(props.data).sort(([,a],[,b]) => b-a);
+        console.log(sorted);
+        for (const [key, value] of sorted) {
+          tempCheckinItems.push(
+            <Hub name={key} value={value}></Hub>
+          );
+        }
+        setHubItems(tempCheckinItems);
+    }
+
+    // React hook that queries the checkin database every 5 seconds.
+    useEffect(() => {
+        updateHubItems();
+    }, [props.data]);
+
+    return (
+        <div className="User-checkin">
+            <div className="Checkins">
+                <h2>Hubs and Suspicion</h2>
+                <ul className='Checkin-list'>{hubItems}</ul>
+            </div>
+        </div>
+    );
+}
+
+export default HubList;
+\ No newline at end of file