E41220983_MuhamadSugengCahy.../praresi/lib/presentation/views/ocr_view.dart

392 lines
12 KiB
Dart

import 'dart:io';
import 'package:flutter/material.dart';
import 'package:get/get.dart';
import 'package:image_picker/image_picker.dart';
import 'package:image_cropper/image_cropper.dart';
import 'package:google_mlkit_text_recognition/google_mlkit_text_recognition.dart';
import 'package:firebase_auth/firebase_auth.dart';
import 'package:praresi/presentation/controllers/resi_controller.dart';
class OCRView extends StatefulWidget {
const OCRView({super.key});
@override
State<OCRView> createState() => _OCRViewState();
}
class _OCRViewState extends State<OCRView> {
File? _imageFile;
final picker = ImagePicker();
final TextEditingController _textController = TextEditingController();
bool _isProcessing = false;
bool _isSaving = false;
final ResiController resiController = Get.put(ResiController());
final FirebaseAuth _auth = FirebaseAuth.instance;
/// Ambil gambar dan jalankan OCR
Future<void> _pickImage(ImageSource source) async {
final pickedFile = await picker.pickImage(source: source, imageQuality: 80);
if (pickedFile != null) {
File? cropped = await _cropImage(pickedFile.path);
if (cropped != null) {
setState(() {
_imageFile = cropped;
});
await _performOCR(cropped);
}
}
}
@override
void initState() {
super.initState();
_textController.addListener(() {
setState(() {});
});
}
/// Crop gambar
Future<File?> _cropImage(String imagePath) async {
final croppedFile = await ImageCropper().cropImage(
sourcePath: imagePath,
aspectRatioPresets: [
CropAspectRatioPreset.original,
CropAspectRatioPreset.square,
CropAspectRatioPreset.ratio4x3,
CropAspectRatioPreset.ratio16x9,
],
uiSettings: [
AndroidUiSettings(
toolbarTitle: 'Crop Gambar',
toolbarColor: const Color(0xFF1976D2),
toolbarWidgetColor: Colors.white,
activeControlsWidgetColor: const Color(0xFF1976D2),
initAspectRatio: CropAspectRatioPreset.original,
lockAspectRatio: false, // 🔓 supaya bisa geser & ubah ukuran bebas
),
IOSUiSettings(
title: 'Crop Gambar',
aspectRatioLockEnabled: false, // 🔓 untuk iPhone/iPad
),
],
);
return croppedFile != null ? File(croppedFile.path) : null;
}
/// Jalankan OCR pakai Google ML Kit
Future<void> _performOCR(File imageFile) async {
setState(() {
_isProcessing = true;
});
final inputImage = InputImage.fromFile(imageFile);
final textRecognizer = TextRecognizer();
final recognizedText = await textRecognizer.processImage(inputImage);
await textRecognizer.close();
setState(() {
_textController.text = recognizedText.text;
_isProcessing = false;
});
Get.snackbar(
'Selesai',
'Teks berhasil dikenali!',
backgroundColor: Colors.green,
colorText: Colors.white,
);
}
/// Simpan hasil OCR ke Firestore
Future<void> _saveResi() async {
/// ✅ cegah double klik
if (_isSaving) return;
final user = _auth.currentUser;
if (user == null) {
Get.snackbar(
'Gagal',
'User belum login!',
backgroundColor: Colors.red,
colorText: Colors.white,
);
return;
}
if (_textController.text.trim().isEmpty) {
Get.snackbar(
'Peringatan',
'Tidak ada teks untuk disimpan!',
backgroundColor: Colors.orange,
colorText: Colors.white,
);
return;
}
setState(() {
_isSaving = true;
});
try {
final storeId = user.uid;
await resiController.saveResi(
_textController.text.trim(),
storeId,
);
} finally {
/// ✅ aktif kembali setelah selesai
setState(() {
_isSaving = false;
});
}
}
@override
void dispose() {
_textController.dispose();
super.dispose();
}
@override
Widget build(BuildContext context) {
final size = MediaQuery.of(context).size;
return Scaffold(
appBar: AppBar(
title: const Text("Pindai Pemesanan"),
centerTitle: true,
backgroundColor: const Color(0xFF1976D2),
foregroundColor: Colors.white,
),
body: Container(
width: size.width,
height: size.height,
decoration: const BoxDecoration(
gradient: LinearGradient(
colors: [Color(0xFF1976D2), Color(0xFFE3F2FD)],
begin: Alignment.topCenter,
end: Alignment.bottomCenter,
),
),
child: SafeArea(
child: Column(
children: [
const SizedBox(height: 20),
// Gambar hasil ambil/crop
Expanded(
flex: 4,
child: Container(
width: double.infinity,
margin: const EdgeInsets.symmetric(horizontal: 16),
padding: const EdgeInsets.all(16),
decoration: BoxDecoration(
color: Colors.white,
borderRadius: BorderRadius.circular(20),
boxShadow: [
BoxShadow(
color: Colors.black.withOpacity(0.1),
blurRadius: 10,
offset: const Offset(0, 5),
)
],
),
child: _imageFile == null
? Column(
mainAxisAlignment: MainAxisAlignment.center,
children: const [
Icon(Icons.camera_alt,
size: 50, color: Colors.grey),
SizedBox(height: 12),
Text(
"Belum ada gambar",
style: TextStyle(
fontSize: 16, color: Colors.grey),
),
],
)
: ClipRRect(
borderRadius: BorderRadius.circular(12),
child: Image.file(_imageFile!, fit: BoxFit.cover),
),
),
),
const SizedBox(height: 20),
// Tombol ambil/pilih gambar
Padding(
padding: const EdgeInsets.symmetric(horizontal: 16),
child: Row(
children: [
Expanded(
child: ElevatedButton.icon(
onPressed: () => _pickImage(ImageSource.camera),
style: ElevatedButton.styleFrom(
backgroundColor: const Color(0xFF1976D2),
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(12),
),
),
icon: const Icon(Icons.camera, color: Colors.white),
label: const Text("Kamera",
style:
TextStyle(color: Colors.white, fontSize: 16)),
),
),
const SizedBox(width: 10),
Expanded(
child: OutlinedButton.icon(
onPressed: () => _pickImage(ImageSource.gallery),
style: OutlinedButton.styleFrom(
side: const BorderSide(color: Color(0xFF1976D2), width: 2),
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(12),
),
),
icon: const Icon(Icons.photo_library,
color: Color(0xFF1976D2)),
label: const Text("Galeri",
style: TextStyle(
color: Color(0xFF1976D2), fontSize: 16)),
),
),
],
),
),
const SizedBox(height: 20),
// Area hasil OCR
Expanded(
flex: 3,
child: Stack(
children: [
Container(
margin: const EdgeInsets.symmetric(horizontal: 16),
padding: const EdgeInsets.all(16),
decoration: BoxDecoration(
color: Colors.white,
borderRadius: BorderRadius.circular(20),
boxShadow: [
BoxShadow(
color: Colors.black.withOpacity(0.1),
blurRadius: 10,
offset: const Offset(0, 5),
)
],
),
child: _isProcessing
? const Center(
child: CircularProgressIndicator(
color: Color(0xFF1976D2),
),
)
: TextField(
controller: _textController,
maxLines: null,
decoration: const InputDecoration(
border: InputBorder.none,
hintText: "Hasil OCR akan muncul di sini...",
),
),
),
// ===============================
// ICON HAPUS
// ===============================
if (_textController.text.isNotEmpty)
Positioned(
top: 8,
right: 24,
child: GestureDetector(
onTap: () {
setState(() {
_textController.clear();
});
},
child: Container(
decoration: BoxDecoration(
color: Colors.grey.shade200,
shape: BoxShape.circle,
),
padding: const EdgeInsets.all(6),
child: const Icon(
Icons.close,
size: 18,
color: Colors.black54,
),
),
),
),
],
),
),
const SizedBox(height: 10),
// Tombol Simpan ke Firestore
Padding(
padding: const EdgeInsets.symmetric(horizontal: 16),
child: SizedBox(
width: double.infinity,
height: 50,
child: ElevatedButton.icon(
/// ✅ disable saat saving
onPressed: _isSaving ? null : _saveResi,
style: ElevatedButton.styleFrom(
backgroundColor: Colors.green,
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(12),
),
),
/// ✅ loading icon
icon: _isSaving
? const SizedBox(
width: 20,
height: 20,
child: CircularProgressIndicator(
color: Colors.white,
strokeWidth: 2,
),
)
: const Icon(Icons.save, color: Colors.white),
label: Text(
_isSaving ? "Menyimpan..." : "Simpan",
style: const TextStyle(
color: Colors.white,
fontSize: 16,
fontWeight: FontWeight.bold,
),
),
),
),
),
const SizedBox(height: 20),
],
),
),
),
);
}
}