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import 'dart:convert';
import 'dart:io';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:geolocator/geolocator.dart';
import 'package:healthcare_user/common/settings.dart';
import 'package:healthcare_user/models/pharmacies_model.dart';
import 'package:healthcare_user/prescriptions/add_prescriptions.dart';
import 'package:healthcare_user/prescriptions/oreder_medicines.dart';
import 'package:image_picker/image_picker.dart';
import 'package:photo_view/photo_view.dart';
import 'package:healthcare_user/models/prescriptions_model.dart';
class Prescriptions extends StatefulWidget {
const Prescriptions({Key? key}) : super(key: key);
@override
State<Prescriptions> createState() => _PrescriptionsState();
}
class _PrescriptionsState extends State<Prescriptions> {
final ImagePicker _picker = ImagePicker();
String Url = '';
List<PharmaciesModel> pharmaciesList = [];
List<PrescriptionsModel> prescriptionsList = [];
List<PrescriptionsModel> prescriptionsListOriginal = [];
List<PharmaciesModel> FilteredList = [];
bool isPharmacyDataLoading = false;
bool isPrescriptionsDataLoading = false;
bool isSereverIssue = false;
double lat = 0;
double lng = 0;
String userAddress = '';
String dropdownArea = '2';
//String dropdownType = 'Tank';
var AreaItems = ['2', '5', '10', '25', '50', '100'];
List pharmaciesCheckboxes = [];
bool isLoading=false;
Future<void> getAllPharmaciesData(var distance) async {
isPharmacyDataLoading=true;
try {
var pharmacyResponse = await AppSettings.getAllpharmacies();
setState(() {
pharmaciesList = ((jsonDecode(pharmacyResponse)['data']) as List)
.map((dynamic model) {
return PharmaciesModel.fromJson(model);
}).toList();
FilteredList = [];
pharmaciesList.forEach((element) async {
var distanceInM;
if (distance == '2') {
distanceInM = 2000;
} else if (distance == '5') {
distanceInM = 5000;
} else if (distance == '10') {
distanceInM = 10000;
} else if (distance == '25') {
distanceInM = 25000;
} else if (distance == '50') {
distanceInM = 50000;
} else if (distance == '100') {
distanceInM = 100000;
}
double distanceInMeters = await Geolocator.distanceBetween(
element.lat, element.lng, lat, lng);
if (distanceInMeters <= distanceInM) {
FilteredList.add(element);
}
});
isPharmacyDataLoading = false;
});
} catch (e) {
setState(() {
isPharmacyDataLoading = false;
isSereverIssue = true;
});
}
}
Future<void> getAllPrescriptions() async {
isPrescriptionsDataLoading=true;
try {
var response = await AppSettings.getAllPrescriptions();
setState(() {
prescriptionsListOriginal = ((jsonDecode(response)) as List)
.map((dynamic model) {
return PrescriptionsModel.fromJson(model);
}).toList();
prescriptionsList=prescriptionsListOriginal.reversed.toList();
isPrescriptionsDataLoading = false;
});
} catch (e) {
setState(() {
isPrescriptionsDataLoading = false;
isSereverIssue = true;
});
}
}
@override
void initState() {
lat = AppSettings.userLatitude;
lng = AppSettings.userLongitude;
userAddress = AppSettings.userAddress;
getAllPrescriptions();
//getAllPharmaciesData(dropdownArea);
super.initState();
}
Future pickImageFromGallery() async {
try {
final image = await _picker.pickImage(source: ImageSource.gallery);
if (image == null) return;
final imageTemp = File(image.path);
AppSettings.preLoaderDialog(context);
var res = await AppSettings.uploadImageHTTPForPrescriptions(image);
print(jsonDecode(res));
Navigator.of(context, rootNavigator: true).pop();
setState(() {
Url = jsonDecode(res)['pictures'][0];
});
} on PlatformException catch (e) {
print('Failed to pick image: $e');
}
}
Future takeImageFromCamera() async {
try {
final image = await _picker.pickImage(source: ImageSource.camera);
if (image == null) return;
final imageTemp = File(image.path);
AppSettings.preLoaderDialog(context);
var res = await AppSettings.uploadImageHTTPForPrescriptions(image);
print(jsonDecode(res));
Navigator.of(context, rootNavigator: true).pop();
setState(() {
Url = jsonDecode(res)['pictures'][0];
});
} on PlatformException catch (e) {
print('Failed to pick image: $e');
}
}
Widget _pharamciesData() {
if (FilteredList.length != 0) {
return Column(
children: [
GridView.builder(
shrinkWrap: true,
physics: NeverScrollableScrollPhysics(),
itemCount: FilteredList.length,
itemBuilder: (context, index) {
return Card(
elevation: 2.0,
child: CheckboxListTile(
title: Padding(
padding: EdgeInsets.fromLTRB(10, 10, 0, 0),
child: Row(
mainAxisAlignment: MainAxisAlignment.start,
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Container(
width: MediaQuery.of(context).size.width * .18,
height:
MediaQuery.of(context).size.height * .10,
decoration: BoxDecoration(
shape: BoxShape.rectangle,
image: DecorationImage(
image: FilteredList[index].picture == ''
? AssetImage("images/logo.png")
: NetworkImage(
FilteredList[index].picture)
as ImageProvider, // picked file
fit: BoxFit.contain)),
),
SizedBox(
width: 5,
),
Expanded(
child: Container(
width:
MediaQuery.of(context).size.width * .70,
child: Column(
mainAxisAlignment:
MainAxisAlignment.spaceBetween,
crossAxisAlignment:
CrossAxisAlignment.start,
children: [
Text(
FilteredList[index]
.pharmacy_name
.toUpperCase(),
style: wrapTextStyleBlack()),
SizedBox(
height: 10,
),
Text(
FilteredList[index]
.contact_number
.toUpperCase(),
style: wrapTextStyleBlack()),
/*Visibility(
visible: FilteredList[index].supplier_alternate_phone_number!='',
child: Text(
FilteredList[index]
.supplier_alternate_phone_number
.toUpperCase(),
style: wrapTextStyleBlack()),),*/
SizedBox(
height: 10,
),
Text(
FilteredList[index]
.pharmacy_address
.toUpperCase(),
style: wrapTextStyleBlack()),
Visibility(
visible:
FilteredList[index].description !=
'',
child: SizedBox(
height: 10,
),
),
Visibility(
visible:
FilteredList[index].description !=
'',
child: Text(
FilteredList[index]
.description
.toUpperCase(),
style: wrapTextStyleBlack()),
),
SizedBox(
height: 10,
),
/*Text(
FilteredList[index]
.starting_price
.toUpperCase(),
style: wrapTextStyleBlack()),
SizedBox(height: 10,),*/
],
)),
),
],
)
),
checkColor: Colors.white,
activeColor: primaryColor,
value: FilteredList[index].isChecked,
onChanged: (val) {
setState(
() {
FilteredList[index].isChecked = val!;
},
);
if (FilteredList[index].isChecked) {
pharmaciesCheckboxes.add({
'pharmacyId':
FilteredList[index]
.pharmacy_id,
});
} else {
pharmaciesCheckboxes.removeWhere((e) =>
e['pharmacyId']
.toString()
.toUpperCase() ==
FilteredList[index]
.pharmacy_id
.toString()
.toUpperCase());
}
},
),
);
},
gridDelegate: SliverGridDelegateWithFixedCrossAxisCount(
crossAxisCount: 1,//.size.width * .33,
childAspectRatio: MediaQuery.of(context).size.width /
(MediaQuery.of(context).size.height /7)),
),
ElevatedButton(
style: ElevatedButton.styleFrom(
primary: primaryColor, // background
onPrimary: Colors.white, // foreground
),
onPressed: () async {
if(Url!=''&&pharmaciesCheckboxes.isNotEmpty){
AppSettings.preLoaderDialog(context);
var payload = new Map<String, dynamic>();
payload["picture"] = Url.toString();
payload["pharmacies"] = pharmaciesCheckboxes;
bool status = await AppSettings.getQuotation(payload);
try {
if (status) {
Navigator.of(context, rootNavigator: true).pop();
Url='';
pharmaciesCheckboxes = [];
AppSettings.longSuccessToast(
"Prescription uploaded Successfully");
// Navigator.pop(context);
getAllPharmaciesData(dropdownArea);
/*
Navigator.push(
context,
MaterialPageRoute(
builder: (context) => ConnectionsView()),
);*/
} else {
Navigator.of(context, rootNavigator: true).pop();
AppSettings.longFailedToast(
"Failed to upload prescription");
}
} catch (exception) {
AppSettings.longFailedToast("Failed to upload prescription");
print(exception);
}
}
else{
AppSettings.longFailedToast('Please select image and pharmacies' );
}
},
child: const Text('Upload'),
)
],
);
} else {
return Center(
child: Padding(
padding: EdgeInsets.fromLTRB(0, 40, 0, 0),
child: isSereverIssue
? Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Image(
image: AssetImage('images/serverissue.png'),
// height: MediaQuery.of(context).size.height * .10,
),
SizedBox(
height: 20,
),
Text(
'There is an issue at server please try after some time',
style: serverIssueTextStyle(),
),
],
)
: userAddress == ''
? Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
/*Image(
image: AssetImage('images/resourceblue.pngs'),
// height: MediaQuery.of(context).size.height * .10,
),*/
Icon(
Icons.location_on_outlined,
color: primaryColor,
size: 40,
),
SizedBox(
height: 20,
),
Text(
'Please select location to see near by pharmacies',
style: TextStyle(
color: primaryColor,
fontWeight: FontWeight.bold,
),
),
],
)
: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Image(
image: AssetImage('images/no_data.png'),
// height: MediaQuery.of(context).size.height * .10,
),
SizedBox(
height: 20,
),
Text(
'No Pharmacies',
style: serverIssueTextStyle(),
),
],
),
));
}
}
showPicDialog(var imageUrl){
return showDialog(
context: context,
barrierDismissible: false,
builder: (BuildContext context) {
return StatefulBuilder(
builder: (BuildContext context, StateSetter setState) {
return AlertDialog(
title: const Text(''),
content: SingleChildScrollView(
child: ListBody(
children: <Widget>[
Container(
width: MediaQuery.of(context).size.width * .10,
height: MediaQuery.of(context).size.height * .50,
child: PhotoView(
imageProvider: NetworkImage(imageUrl) as ImageProvider,
maxScale: PhotoViewComputedScale.contained * 4.0,
minScale: PhotoViewComputedScale.contained,
initialScale: PhotoViewComputedScale.contained,
basePosition: Alignment.center,
)
)
],
),
),
actions: <Widget>[
TextButton(
child: Text('Close', style: textButtonStyle()),
onPressed: () {
Navigator.of(context).pop();
},
),
],
);
});
},
);
}
Widget _allPrescriptions(){
if (prescriptionsList.length != 0) {
return Column(
crossAxisAlignment: CrossAxisAlignment.end,
children: [
Expanded(child:ListView.builder(
padding: EdgeInsets.all(0),
itemCount: prescriptionsList.length,
itemBuilder: (BuildContext context, int index) {
return Card(
//color: prescriptionsList[index].cardColor,
child: Padding(
padding:EdgeInsets.all(8) ,
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
crossAxisAlignment: CrossAxisAlignment.center,
children: [
GestureDetector(
child: Container(
width: MediaQuery.of(context).size.width * .18,
height:
MediaQuery.of(context).size.height * .10,
decoration: BoxDecoration(
shape: BoxShape.rectangle,
image: DecorationImage(
image: NetworkImage(prescriptionsList[index].prescription_url) as ImageProvider, // picked file
fit: BoxFit.contain)),
),
onTap: (){
showPicDialog(prescriptionsList[index].prescription_url);
},
),
SizedBox(width:MediaQuery.of(context).size.width * .02,),
Container(
width: MediaQuery.of(context).size.width * .55,
child: Column(
mainAxisAlignment: MainAxisAlignment.start,
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(prescriptionsList[index].prescription_name.toString().toUpperCase(),style: valuesTextStyle()),
Text(prescriptionsList[index].patient_name.toString().toUpperCase(),style: valuesTextStyle()),
Text(prescriptionsList[index].gender.toString().toUpperCase(),style: valuesTextStyle()),
Text(prescriptionsList[index].age.toString().toUpperCase(),style: valuesTextStyle()),
],
),
),
Expanded(child:IconButton(
icon: const Icon(Icons.edit,color: primaryColor,),
onPressed: () {
},
),),
Expanded(child:IconButton(
icon: const Icon(Icons.delete,color: primaryColor,),
onPressed: () async{
/* showDialog(
//if set to true allow to close popup by tapping out of the popup
//barrierDismissible: false,
context: context,
builder: (BuildContext context) => AlertDialog(
title: const Text('Do you want to delete tank?',
style: TextStyle(
color: primaryColor,
fontSize: 20,
)),
actionsAlignment: MainAxisAlignment.spaceBetween,
actions: [
TextButton(
onPressed: ()async {
var payload = new Map<String, dynamic>();
payload["tankLocation"] = modelTanksViewList[index].tank_location.toString().toLowerCase();
bool deleteTankStatus = await AppSettings.deleteTank(modelTanksViewList[index].tank_name,payload);
if(deleteTankStatus){
readJson();
AppSettings.longSuccessToast('tank deleted successfully');
Navigator.of(context).pop(true);
}
else{
AppSettings.longFailedToast('tank deletion failed');
Navigator.of(context).pop(true);
}
},
child: const Text('Yes',
style: TextStyle(
color: primaryColor,
fontSize: 20,
)),
),
TextButton(
onPressed: () {
Navigator.of(context).pop(true);
},
child: const Text('No',
style: TextStyle(
color: primaryColor,
fontSize: 20,
)),
),
],
),
);*/
},
),)
],
),
TextButton(
child: const Text(
'Order Medicines',
style: TextStyle(color: primaryColor),
),
onPressed: () {
Navigator.push(
context,
new MaterialPageRoute(
builder: (__) => new OrderMedicines(prescriptionDetails:prescriptionsList[index])));
//signup screen
},
)
],
),
),
);
}) ),
Padding(
padding: EdgeInsets.fromLTRB(8, 8, 8, 8),
child: CircleAvatar(
backgroundColor: primaryColor,
radius: 40,
child: Column(
mainAxisSize: MainAxisSize.min,
children: <Widget>[
IconButton(
iconSize: 40,
icon: const Icon(
Icons.add,
color: Colors.white,
),
onPressed: () async{
/*await Navigator.push(
context,
MaterialPageRoute(
builder: (context) => AddPrescription()),
);*/
Navigator.push(context, MaterialPageRoute(builder: (context) => AddPrescription())).then((value) {
getAllPrescriptions();
});
//showBoreAddingDialog();
},
),
/* Padding(
padding: EdgeInsets.fromLTRB(5, 0, 5, 5),
child: Text(
'Add Tanks ',
style: TextStyle(color: Colors.white),
),
)*/
],
),
),
),
]);
}
else{
return Center(
child: Padding(
padding: EdgeInsets.fromLTRB(0, 40, 0, 0),
child: Column(
crossAxisAlignment: CrossAxisAlignment.center,
children: [
SizedBox(height: MediaQuery.of(context).size.height * .25,),
Text('Click below icon to add new prescription'),
SizedBox(
height: 20,
),
CircleAvatar(
backgroundColor: primaryColor,
radius: 40,
child: IconButton(
iconSize: 40,
icon: const Icon(
Icons.add,
color: Colors.white,
),
onPressed: () async {
Navigator.push(context, MaterialPageRoute(builder: (context) => AddPrescription())).then((value) {
getAllPrescriptions();
});
},
),
)
],
),
)
);
}
}
/**/
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppSettings.appBar('Prescriptions'),
body: isPrescriptionsDataLoading?Center(
child: CircularProgressIndicator(
color: primaryColor,
strokeWidth: 5.0,
),
): _allPrescriptions(),
);
}
}