How to print request data

[jimonik]

getConnect.httpClient.addRequestModifier((request) async { // I want to print the request data here, but there are multiple types of data. How can I know if the data is formdata or raw data, and how can I retrieve the files in formdata? return request; });

[abetoluwani]

To determine if the request data is of type FormData or raw data and to retrieve the files in FormData, you can use type checking and specific properties of the Request object. Here's how you can implement this in the addRequestModifier method:

1. Check the type of the request data: You can use is to check if the data is of type FormData.
2. Retrieve the files in FormData: If the data is of type FormData, you can iterate through its fields to find and print the files.

Here's an example implementation:

import 'package:get/get_connect.dart';

void main() {
  final httpClient = GetConnect();

  httpClient.httpClient.addRequestModifier((request) async {
    // Check if the request data is of type FormData
    if (request.body is FormData) {
      FormData formData = request.body as FormData;
      print('Request contains FormData:');
      
      // Iterate through fields and check for files
      formData.files.forEach((name, file) {
        print('File field: $name, Filename: ${file.filename}, Content type: ${file.contentType}');
      });

      // Print other fields
      formData.fields.forEach((name, value) {
        print('Field: $name, Value: $value');
      });
    } else {
      // If it's not FormData, print the raw data
      print('Request contains raw data: ${request.body}');
    }

    return request;
  });
}

Explanation:

1. Type Check: if (request.body is FormData) checks if the request body is of type FormData.
2. Retrieve Files in FormData:
   • formData.files.forEach((name, file) { ... }) iterates through the files in the FormData.
   • name is the field name, and file is the MultipartFile.
   • file.filename gives the name of the file, and file.contentType gives the content type of the file.
3. Print Raw Data: If the request body is not FormData, the raw data is printed directly.

Usage:

You would typically add this setup in your initialization code where you configure your HTTP client. This setup allows you to inspect and print the request data for debugging purposes.

Example Integration in a Flutter App:

import 'package:flutter/material.dart';
import 'package:get/get_connect.dart';

void main() {
  final httpClient = GetConnect();

  httpClient.httpClient.addRequestModifier((request) async {
    // Check if the request data is of type FormData
    if (request.body is FormData) {
      FormData formData = request.body as FormData;
      print('Request contains FormData:');
      
      // Iterate through fields and check for files
      formData.files.forEach((name, file) {
        print('File field: $name, Filename: ${file.filename}, Content type: ${file.contentType}');
      });

      // Print other fields
      formData.fields.forEach((name, value) {
        print('Field: $name, Value: $value');
      });
    } else {
      // If it's not FormData, print the raw data
      print('Request contains raw data: ${request.body}');
    }

    return request;
  });

  runApp(MyApp(httpClient: httpClient));
}

class MyApp extends StatelessWidget {
  final GetConnect httpClient;

  MyApp({required this.httpClient});

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
        appBar: AppBar(
          title: Text('GetConnect Example'),
        ),
        body: Center(
          child: Text('Check console for request data'),
        ),
      ),
    );
  }
}

This example will help you print the request data, whether it's FormData or raw data, and retrieve the files in FormData for debugging purposes. @jimonik