fox_utils 0.1.7: clipboard, drag & drop, Android file saving
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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FoxyzandClaude Opus 5.5 committed
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import 'dart:convert';
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import 'package:dio/dio.dart';
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extension DioExceptionX on DioException {
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String get userMessage {
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switch (type) {
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case DioExceptionType.connectionTimeout:
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case DioExceptionType.sendTimeout:
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case DioExceptionType.receiveTimeout:
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return 'Connection timeout. Please check your internet.';
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case DioExceptionType.badResponse:
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final statusCode = response?.statusCode;
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if (statusCode == 401) return 'Unauthorized. Please log in again.';
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if (statusCode == 404) return 'Resource not found.';
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if (statusCode != null && statusCode >= 500) {
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return 'Server error (Status $statusCode).';
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}
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return 'Request failed with status $statusCode.';
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case DioExceptionType.cancel:
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return 'Request was cancelled.';
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case DioExceptionType.unknown:
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return 'An unexpected error occurred.';
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default:
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return 'Request failed.';
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}
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}
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String toDebugString() {
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final buffer = StringBuffer();
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buffer.writeln('🚨 [DioException] ${type.name}');
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buffer.writeln('📤 Request: ${requestOptions.method} ${requestOptions.uri}');
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if (response != null) {
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buffer.writeln('📥 Response: ${response!.statusCode}');
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if (response!.data != null) {
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buffer.writeln(' Body: ${_formatData(response!.data)}');
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}
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} else if (error != null) {
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buffer.writeln('⚠️ Error: ${error.toString()}');
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}
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return buffer.toString().trim();
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}
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String _formatData(dynamic data) {
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if (data == null) return 'null';
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if (data is Map || data is List) {
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try {
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const encoder = JsonEncoder.withIndent(' ');
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return encoder.convert(data);
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} catch (_) {
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return data.toString();
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}
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}
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return data.toString();
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}
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}
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extension DiscordDioException on DioException {
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/// Generates a Markdown formatted error report suitable for Discord messages.
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String toDiscordMarkdown() {
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final emoji = _getEmoji();
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final title = _getFriendlyTitle();
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final message = userMessage;
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final buffer = StringBuffer();
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buffer.writeln('$emoji **$title**');
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buffer.writeln();
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buffer.writeln(message);
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buffer.writeln();
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buffer.writeln('`${requestOptions.method} ${requestOptions.uri}`');
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buffer.writeln();
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// Technical details
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buffer.writeln('```yaml');
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buffer.writeln('Type: ${type.name}');
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if (response != null) {
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buffer.writeln('Status: ${response!.statusCode}');
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}
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if (error != null) {
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final errorStr = error.toString();
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buffer.writeln('Error: ${errorStr.length > 200 ? '${errorStr.substring(0, 200)}...' : errorStr}');
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}
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buffer.writeln('```');
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// Ensure whole message fits in Discord's 2000‑char limit
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var result = buffer.toString().trim();
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const maxLength = 2000;
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if (result.length > maxLength) {
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result = '${result.substring(0, maxLength - 3)}...';
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}
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return result;
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}
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/// Human‑readable message, enhanced with the server’s own error message if available.
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String get userMessage {
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print("Server message: ${response?.data}");
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final base = _baseUserMessage();
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final server = _getServerMessage();
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if (server == null || server.isEmpty) return base;
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if (base.contains(server)) return base; // avoid duplication
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return '$base — $server';
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}
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// ---------------------------------------------------------------------------
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// Private helpers
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// ---------------------------------------------------------------------------
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String _baseUserMessage() {
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switch (type) {
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case DioExceptionType.connectionTimeout:
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case DioExceptionType.sendTimeout:
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case DioExceptionType.receiveTimeout:
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return 'The connection timed out.';
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case DioExceptionType.connectionError:
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final errorStr = error?.toString().toLowerCase() ?? '';
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if (errorStr.contains('semaphore timeout') || errorStr.contains('timed out')) {
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return 'Connection timed out. The server took too long to respond.';
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}
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if (errorStr.contains('connection refused')) {
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return 'Connection refused. The server is likely offline.';
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}
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if (errorStr.contains('failed host lookup')) {
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return 'DNS Lookup Failed. Could not reach the host.';
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}
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return 'A network connection error occurred.';
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case DioExceptionType.badResponse:
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final statusCode = response?.statusCode;
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// Common client errors
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if (statusCode == 400) return 'Bad Request (400).';
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if (statusCode == 401) return 'Unauthorized (401). Authentication failed.';
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if (statusCode == 403) return 'Forbidden (403). You lack permission.';
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if (statusCode == 404) return 'Not Found (404). The resource does not exist.';
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if (statusCode == 422) return 'Validation Error (422). Some fields are invalid.';
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if (statusCode == 429) return 'Too Many Requests (429). You are being rate‑limited.';
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// Server errors
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if (statusCode != null && statusCode >= 500) {
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if (statusCode == 503) return 'Service Unavailable (503).';
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return 'Server Error ($statusCode). Please try again later.';
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}
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return 'Request failed with status $statusCode.';
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case DioExceptionType.cancel:
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return 'The request was cancelled.';
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case DioExceptionType.unknown:
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final errorStr = error?.toString().toLowerCase() ?? '';
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if (errorStr.contains('socketexception')) {
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if (errorStr.contains('connection refused')) return 'Server connection refused.';
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if (errorStr.contains('failed host lookup')) return 'Could not find the server address.';
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if (errorStr.contains('semaphore timeout')) return 'Network timeout.';
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return 'Network connection unstable.';
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}
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return 'An unexpected error occurred.';
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default:
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return 'Request failed.';
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}
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}
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String? _getServerMessage() {
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final data = response?.data;
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if (data is Map) {
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// Try common top‑level keys
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for (final key in ['message', 'error', 'detail', 'description']) {
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final val = data[key];
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if (val is String && val.trim().isNotEmpty) return val.trim();
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}
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// Nested errors map (e.g. { "errors": { "email": ["is taken"] } })
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final errors = data['errors'];
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if (errors is Map) {
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for (final entry in errors.entries) {
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final v = entry.value;
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if (v is List && v.isNotEmpty) return '${entry.key}: ${v.first}';
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if (v is String && v.isNotEmpty) return '${entry.key}: $v';
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}
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}
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} else if (data is List && data.isNotEmpty) {
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if (data.first is Map) {
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return _getServerMessageFromMap(data.first as Map);
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}
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} else if (data is String && data.isNotEmpty) {
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// Plain text body – use it directly, but keep it short
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return data.length > 200 ? '${data.substring(0, 200)}...' : data;
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}
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return null;
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}
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// Helper for when the first element of a list is a map
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String? _getServerMessageFromMap(Map map) {
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print("Server has map: ${map}");
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for (final key in ['message', 'error', 'detail']) {
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final val = map[key];
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if (val is String && val.trim().isNotEmpty) {
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return val.trim();
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}
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}
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return null;
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}
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String _getFriendlyTitle() {
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if (type == DioExceptionType.badResponse) return 'API Error';
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return 'Network Error';
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}
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String _getEmoji() {
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if (type == DioExceptionType.badResponse) return '⚠️';
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return '⛔';
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}
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}
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