API: Add some missing end points

api/v1/expenses/create.php

@@ -0,0 +1,30 @@
+<?php
+
+require_once '../validate_api_key.php';
+
+require_once '../require_post_method.php';
+
+// Expenses require All Clients scope
+$insert_id = false;
+
+if ($client_id == 0) {
+
+    $expense_row = false; // Creation, not an update
+    require_once 'expense_model.php';
+
+    if (!empty($description)) {
+
+        $insert_sql = mysqli_query($mysqli, "INSERT INTO expenses SET expense_description = '$description', expense_amount = $amount, expense_date = '$date', expense_tax = $tax, expense_notes = '$notes', expense_vendor_id = $vendor_id, expense_category_id = $category_id");
+
+        if ($insert_sql) {
+            $insert_id = mysqli_insert_id($mysqli);
+
+            // Logging
+            logAction("Expense", "Create", "Created expense $description via API ($api_key_name)", 0, $insert_id);
+            logAction("API", "Success", "Created expense $description via API ($api_key_name)", 0);
+        }
+    }
+}
+
+// Output
+require_once '../create_output.php';