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import 'dart:io';
import 'dart:typed_data';
import 'package:auto_gpt_flutter_client/models/step_request_body.dart';
import 'package:auto_gpt_flutter_client/utils/rest_api_utility.dart';
import 'dart:html' as html;
/// Service class for performing chat-related operations.
class ChatService {
final RestApiUtility api;
ChatService(this.api);
/// Executes a step in a specific task.
///
/// [taskId] is the ID of the task.
/// [stepRequestBody] is a Map representing the request body for executing a step.
Future<Map<String, dynamic>> executeStep(
String taskId, StepRequestBody stepRequestBody) async {
try {
return await api.post(
'agent/tasks/$taskId/steps', stepRequestBody.toJson());
} catch (e) {
// TODO: We are bubbling up the full response. Revisit this.
rethrow;
}
}
/// Gets details about a specific task step.
///
/// [taskId] is the ID of the task.
/// [stepId] is the ID of the step.
Future<Map<String, dynamic>> getStepDetails(
String taskId, String stepId) async {
try {
return await api.get('agent/tasks/$taskId/steps/$stepId');
} catch (e) {
throw Exception('Failed to get step details: $e');
}
}
/// Lists all steps for a specific task.
///
/// [taskId] is the ID of the task.
/// [currentPage] and [pageSize] are optional pagination parameters.
Future<Map<String, dynamic>> listTaskSteps(String taskId,
{int currentPage = 1, int pageSize = 10}) async {
try {
return await api.get(
'agent/tasks/$taskId/steps?current_page=$currentPage&page_size=$pageSize');
} catch (e) {
throw Exception('Failed to list task steps: $e');
}
}
/// Uploads an artifact for a specific task.
///
/// [taskId] is the ID of the task.
/// [artifactFile] is the File to be uploaded.
/// [uri] is the URI of the artifact.
Future<Map<String, dynamic>> uploadArtifact(
String taskId, File artifactFile, String uri) async {
return Future.value({'status': 'Not implemented yet'});
}
/// Downloads a specific artifact.
///
/// [taskId] is the ID of the task.
/// [artifactId] is the ID of the artifact.
Future<void> downloadArtifact(String taskId, String artifactId) async {
try {
final Uint8List bytes =
await api.getBinary('agent/tasks/$taskId/artifacts/$artifactId');
// Create a blob from the Uint8List
final blob = html.Blob([bytes]);
// Generate a URL from the Blob
final url = html.Url.createObjectUrlFromBlob(blob);
// Create an anchor HTML element
final anchor = html.AnchorElement(href: url)
..setAttribute("download", "artifact_$artifactId")
..click();
// Cleanup: Revoke the object URL
html.Url.revokeObjectUrl(url);
} catch (e) {
throw Exception('An error occurred while downloading the artifact: $e');
}
}
}
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