✨feature: Initial commit

includes/bill.php

@@ -0,0 +1,31 @@
+<?php
+class Bill {
+  public static function getAll() {
+    $db = DB::connect();
+
+    return $db->query("SELECT * FROM bills ORDER BY billDate DESC");
+  }
+
+  public static function add($data) {
+    $db = DB::connect();
+
+    $stmt = $db->prepare("INSERT INTO bills
+      (billDate, billName, amount, paymentId, year)
+      VALUES (?, ?, ?, ?, ?)");
+
+    return $stmt->execute([
+      $data['date'],
+      $data['billName'],
+      $data['amount'],
+      $data['paymentId'],
+      $data['year']
+    ]);
+  }
+
+  public static function getYearlyTotals() {
+    $db = DB::connect();
+
+    return $db->query("SELECT year, billName, SUM(amount) as total
+      FROM bills GROUP BY year, billName");
+  }
+}