didvan-app/lib/services/ai/ai_api_service.dart

127 lines
3.4 KiB
Dart

// ignore_for_file: depend_on_referenced_packages, avoid_web_libraries_in_flutter
import 'dart:async';
import 'dart:convert';
import 'package:didvan/services/storage/storage.dart';
import 'package:flutter/foundation.dart';
import 'package:http/http.dart' as http;
import 'package:http_parser/http_parser.dart';
import 'package:image_picker/image_picker.dart';
import 'package:mime/mime.dart';
class AiApiService {
static const String baseUrl = 'https://api.didvan.app/ai';
static Future<http.MultipartRequest> initial(
{required final String url,
required final String message,
final int? chatId,
final XFile? file,
final bool? edite}) async {
final headers = {
"Authorization": "Bearer ${await StorageService.getValue(key: 'token')}",
'Content-Type': 'multipart/form-data'
};
var request = http.MultipartRequest('POST', Uri.parse(baseUrl + url))
..headers.addAll(headers);
request.fields['prompt'] = message;
if (chatId != null) {
request.fields['chatId'] = chatId.toString();
}
if (edite != null) {
request.fields['edit'] = edite.toString().toLowerCase();
}
if (file != null) {
// if (file.duration != null) {
// request.fields['duration'] = file.duration!.inSeconds.toString();
// }
Uint8List bytes;
String filename;
String mimeType;
bytes = await file.readAsBytes();
filename = file.name;
mimeType = lookupMimeType(filename) ?? 'application/octet-stream';
print("mimeType: $mimeType");
// switch (file.extname) {
// case '.mp3':
// mimeType = 'audio/mpeg';
// break;
// case '.wav':
// mimeType = 'audio/wav';
// break;
// case '.aac':
// mimeType = 'audio/aac';
// break;
// case '.m4a':
// mimeType = 'audio/x-m4a'; // or 'audio/aac'
// break;
// case '.ogg':
// mimeType = 'audio/ogg';
// break;
// case '.flac':
// mimeType = 'audio/x-flac';
// break;
// case '.wma':
// mimeType = 'audio/x-ms-wma';
// break;
// case '.amr':
// mimeType = 'audio/amr';
// break;
// case '.midi':
// mimeType = 'audio/midi';
// break;
// case '.weba':
// mimeType = 'audio/webm';
// break;
// case '.png':
// mimeType = 'image/png';
// break;
// case '.jpg':
// mimeType = 'image/jpeg';
// break;
// case '.pdf':
// mimeType = 'application/pdf';
// break;
// default:
// mimeType = lookupMimeType(filename) ?? 'application/octet-stream';
// }
request.files.add(http.MultipartFile.fromBytes(
'file',
bytes,
filename: filename,
contentType: MediaType.parse(mimeType),
));
}
// print("req: ${request.fields}");
return request;
}
Future<Stream<List<int>>> getResponse(http.MultipartRequest req) async {
try {
final response = await http.Client().send(req);
if (response.statusCode == 400) {
// Handle 400 response
final errorResponse = await response.stream.bytesToString();
final errorJson = jsonDecode(errorResponse);
throw Exception(errorJson['error'] ?? 'Bad Request');
} else if (response.statusCode != 200) {
// Handle other non-200 responses
throw Exception('Failed to load data');
} else {
return response.stream.asBroadcastStream();
}
} catch (e) {
// Handle any other errors
throw Exception('Failed to load data');
}
}
}