Initial Commit

src/donors.js

@@ -0,0 +1,60 @@
+import {
+  collection,
+  query,
+  orderBy,
+  onSnapshot,
+  addDoc,
+  serverTimestamp,
+} from 'firebase/firestore';
+import { db } from './firebase.js';
+
+const donorsRef = collection(db, 'donors');
+let unsubscribe = null;
+
+export function subscribeToDonors(callback) {
+  const q = query(donorsRef, orderBy('date', 'desc'));
+  unsubscribe = onSnapshot(
+    q,
+    (snapshot) => {
+      const donors = [];
+      snapshot.forEach((doc) => {
+        donors.push({ id: doc.id, ...doc.data() });
+      });
+      callback(donors);
+    },
+    (error) => {
+      console.error('Error fetching donors:', error);
+      callback([]);
+    }
+  );
+  return unsubscribe;
+}
+
+export async function addDonor({ name, amount, classYear, message, anonymous }) {
+  return addDoc(donorsRef, {
+    name: anonymous ? 'Anonymous' : name,
+    amount: Number(amount),
+    classYear: classYear || '',
+    message: message || '',
+    anonymous: !!anonymous,
+    date: serverTimestamp(),
+  });
+}
+
+export function calculateTotal(donors) {
+  return donors.reduce((sum, d) => sum + (d.amount || 0), 0);
+}
+
+export function sortDonors(donors, sortBy) {
+  const sorted = [...donors];
+  if (sortBy === 'amount') {
+    sorted.sort((a, b) => (b.amount || 0) - (a.amount || 0));
+  } else {
+    sorted.sort((a, b) => {
+      const dateA = a.date?.toMillis?.() || 0;
+      const dateB = b.date?.toMillis?.() || 0;
+      return dateB - dateA;
+    });
+  }
+  return sorted;
+}