84 lines
2.0 KiB
Dart
84 lines
2.0 KiB
Dart
import 'dart:typed_data';
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import 'package:flutter/material.dart';
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import '../repositories/signature_repository.dart';
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import '../models/tanda_tangan_model.dart';
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class SignatureProvider extends ChangeNotifier {
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final SignatureRepository _repository = SignatureRepository();
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TandaTanganModel? currentSignature;
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bool isLoading = false;
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String? errorMessage;
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Future<void> fetchSignature() async {
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isLoading = true;
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errorMessage = null;
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notifyListeners();
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try {
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final result = await _repository.getActiveSignature();
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if (result['success'] == true && result['data'] != null) {
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currentSignature = TandaTanganModel.fromJson(result['data']);
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} else {
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currentSignature = null;
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}
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} catch (e) {
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errorMessage = e.toString();
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currentSignature = null;
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} finally {
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isLoading = false;
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notifyListeners();
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}
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}
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Future<bool> uploadSignature(Uint8List pngBytes) async {
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isLoading = true;
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notifyListeners();
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try {
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final result = await _repository.uploadSignature(pngBytes);
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if (result['success'] == true) {
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await fetchSignature();
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return true;
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}
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errorMessage = result['message'];
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return false;
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} catch (e) {
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errorMessage = e.toString();
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return false;
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} finally {
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isLoading = false;
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notifyListeners();
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}
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}
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Future<bool> deleteSignature() async {
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if (currentSignature == null) return false;
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isLoading = true;
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notifyListeners();
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try {
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final result = await _repository.deleteSignature(currentSignature!.id);
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if (result['success'] == true) {
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currentSignature = null;
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notifyListeners();
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return true;
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}
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return false;
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} catch (e) {
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return false;
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} finally {
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isLoading = false;
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notifyListeners();
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}
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}
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void reset() {
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currentSignature = null;
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isLoading = false;
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errorMessage = null;
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notifyListeners();
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}
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}
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