[Bugfix] Prevent CLI from crashing while using FlutterFlowApi (#17)

* [Bugfix] Prevent CLI from crashing while using `FlutterFlowApi`

* Refactor to throw the exception in a better way

* Change to a bit cleaner structure

Author: sbis04

bin/flutterflow_cli.dart

@@ -1,7 +1,7 @@
 import 'dart:io';
 
 import 'package:args/args.dart';
-import 'package:flutterflow_cli/src/flutterflow_cli_base.dart';
+import 'package:flutterflow_cli/src/flutterflow_api_client.dart';
 
 const kDefaultEndpoint = 'https://api.flutterflow.io/v1';
 
@@ -43,17 +43,21 @@ void main(List<String> args) async {
     endpoint = kDefaultEndpoint;
   }
 
-  await exportCode(
-    token: token,
-    endpoint: endpoint,
-    projectId: project,
-    destinationPath: parsedArguments.command!['dest'],
-    includeAssets: parsedArguments.command!['include-assets'],
-    branchName: parsedArguments.command!['branch-name'],
-    unzipToParentFolder: parsedArguments.command!['parent-folder'],
-    fix: parsedArguments.command!['fix'],
-    exportAsModule: parsedArguments.command!['as-module'],
-  );
+  try {
+    await exportCode(
+      token: token,
+      endpoint: endpoint,
+      projectId: project,
+      destinationPath: parsedArguments.command!['dest'],
+      includeAssets: parsedArguments.command!['include-assets'],
+      branchName: parsedArguments.command!['branch-name'],
+      unzipToParentFolder: parsedArguments.command!['parent-folder'],
+      fix: parsedArguments.command!['fix'],
+      exportAsModule: parsedArguments.command!['as-module'],
+    );
+  } catch (_) {
+    exit(1);
+  }
 }
 
 ArgResults _parseArgs(List<String> args) {

lib/flutterflow_cli.dart

@@ -1,3 +1,3 @@
 library flutterflow_cli;
 
-export 'package:flutterflow_cli/src/flutterflow_cli_base.dart';
+export 'package:flutterflow_cli/src/flutterflow_api_client.dart';

lib/src/flutterflow_cli_base.dart lib/src/flutterflow_api_client.dartlib/src/flutterflow_cli_base.dart renamed to lib/src/flutterflow_api_client.dart

@@ -159,11 +159,15 @@ Future<dynamic> _callExport({
     },
   );
 
+  if (response.statusCode == 429) {
+    throw 'Too many requests. Please try again later.';
+  }
+
   if (response.statusCode != 200) {
     stderr.write('Unexpected error from the server.\n');
     stderr.write('Status: ${response.statusCode}\n');
     stderr.write('Body: ${response.body}\n');
-    exit(1);
+    throw ('Unexpected error from the server.');
   }
 
   final parsedResponse = jsonDecode(response.body);
@@ -172,10 +176,11 @@ Future<dynamic> _callExport({
     if (parsedResponse['reason'] != null &&
         parsedResponse['reason'].isNotEmpty) {
       stderr.write('Error: ${parsedResponse['reason']}.\n');
+      throw 'Error: ${parsedResponse['reason']}.';
     } else {
       stderr.write('Unexpected server error.\n');
+      throw 'Unexpected server error.';
     }
-    exit(1);
   }
 
   return parsedResponse['value'];