Clean up code

lib/api.dart

@@ -14,7 +14,6 @@ class ApiClient {
 
   ApiClient({required this.baseUrl, this.token});
 
-  /// Login and store the JWT token
   Future<bool> login(String username, String password) async {
     log.info("Logging in...");
     try {
@@ -41,13 +40,11 @@ class ApiClient {
     return false;
   }
 
-  /// Logout and clear the token
   void logout() {
     token = null;
     log.info('Logged out successfully.');
   }
 
-  /// Make a GET request
   Future<http.Response?> get(String endpoint, {bool isBinary = false}) async {
     try {
       final url = '$baseUrl$endpoint';
@@ -70,7 +67,6 @@ class ApiClient {
     return null;
   }
 
-  /// Make a POST request
   Future<http.Response?> post(
       String endpoint, Map<String, dynamic> body) async {
     try {
@@ -98,7 +94,6 @@ class ApiClient {
     return null;
   }
 
-  /// Make a POST request with form data
   Future<http.Response?> postFormData(String endpoint, String body) async {
     try {
       final url = '$baseUrl$endpoint';
@@ -152,29 +147,18 @@ class ApiClient {
 
   Future<File?> getPdfFileCached(String sheetUuid) async {
     try {
-      // Get the cache directory
-
-      // final cacheDir = kIsWeb
-      //     ? await MemoryFileSystem().systemTempDirectory.createTemp('cache')
-      //     : await getTemporaryDirectory();
       final cacheDir = await getTemporaryDirectory();
       final cachedPdfPath = '${cacheDir.path}/$sheetUuid.pdf';
 
-      // Check if the file already exists in the cache
       final cachedFile = File(cachedPdfPath);
-
       if (await cachedFile.exists()) {
         log.info("PDF found in cache: $cachedPdfPath");
         return cachedFile;
       }
 
-      // Make the authenticated API call
-
-      final response = await this.get('/sheet/pdf/$sheetUuid', isBinary: true);
+      final response = await get('/sheet/pdf/$sheetUuid', isBinary: true);
 
       if (response != null && response.statusCode == 200) {
-        // Save the fetched file to the cache
-        //
         await cachedFile.writeAsBytes(response.bodyBytes);
         log.info("PDF downloaded and cached at: $cachedPdfPath");
         return cachedFile;