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Nizz05
2023-05-19 14:26:09 +02:00
parent cf836ada32
commit c7fe414bc6
8 changed files with 200 additions and 73 deletions
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lib/AddPage.dart
+30 -23
View File
@@ -1,5 +1,6 @@
import 'dart:io';
import 'dart:math';
import 'package:firebase_auth/firebase_auth.dart';
import 'package:firebase_storage/firebase_storage.dart';
import 'package:flutter/material.dart';
import 'package:image_picker/image_picker.dart';
@@ -10,7 +11,7 @@ import 'package:image/image.dart' as img;
class AddScreen extends StatefulWidget {
final int initialIndex;
const AddScreen({super.key, required this.initialIndex});
const AddScreen({Key? key, required this.initialIndex}) : super(key: key);
@override
_AddScreenState createState() => _AddScreenState();
@@ -71,18 +72,22 @@ class _AddScreenState extends State<AddScreen> {
if (originalImage != null) {
if (originalImage.width == originalImage.height) {
// Wenn das Bild bereits im 1:1-Format ist, überspringen Sie das Zuschneiden
setState(() {
_imageFile = tempFile;
print("1:1");
});
if(mounted) {
setState(() {
_imageFile = tempFile;
print("1:1");
});
}
} else {
// Wenn das Bild nicht im 1:1-Format ist, schneiden Sie es zu
File croppedFile = await _cropImage(tempFile);
setState(() {
_imageFile = croppedFile;
});
print("decode");
if(mounted) {
setState(() {
_imageFile = croppedFile;
});
print("decode");
}
}
} else {
throw Exception('Unable to decode image file.');
@@ -108,23 +113,23 @@ class _AddScreenState extends State<AddScreen> {
}
String imageUrl = await uploadImageToFirebaseStorage(imageFile, collectionName);
try
{
String? userId = FirebaseAuth.instance.currentUser?.uid; // get the user ID
try {
await FirebaseFirestore.instance.collection(collectionName).add({
"title": title,
"description": description,
"imageUrl": imageUrl,
"createdDate": DateTime.now(),
"userId": userId, // add the user ID to the document
});
onComplete(true);
}
catch(e)
{
} catch(e) {
onComplete(false);
}
}
Future<String> uploadImageToFirebaseStorage(File imageFile, String collectionName) async {
Reference ref = FirebaseStorage.instance.ref().child("$collectionName/${DateTime.now().toString()}");
UploadTask uploadTask = ref.putFile(imageFile);
@@ -172,14 +177,16 @@ class _AddScreenState extends State<AddScreen> {
});
Navigator.pop(context); // Fenster direkt schließen, nachdem der Upload-Button gedrückt wurde.
await addNewElementToFirestore(_titleController.text, _descriptionController.text, _imageFile!, onComplete: (bool success) {
setState(() {
_uploading = false;
});
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(
content: Text(success ? 'Upload erfolgreich.' : 'Upload fehlgeschlagen.'),
),
);
if(mounted) {
setState(() {
_uploading = false;
});
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(
content: Text(success ? 'Upload erfolgreich.' : 'Upload fehlgeschlagen.'),
),
);
}
});
}
},
lib/UserDefinedList.dart
+76 -26
View File
@@ -1,9 +1,11 @@
import 'package:cached_network_image/cached_network_image.dart';
import 'package:cloud_firestore/cloud_firestore.dart';
import 'package:firebase_auth/firebase_auth.dart';
import 'package:firebase_storage/firebase_storage.dart';
import 'package:flutter/foundation.dart';
import 'package:flutter/material.dart';
import 'package:printing/printing.dart';
import 'package:provider/provider.dart';
import 'AddPage.dart';
import 'DetailPage.dart';
import 'package:intl/intl.dart';
@@ -11,6 +13,8 @@ import 'package:pdf/widgets.dart' as pdfWidgets;
import 'package:http/http.dart' as http;
import 'package:image/image.dart' as img;
import 'anonym_aut.dart';
class UserDefinedItem extends StatelessWidget {
final String title;
final String datum;
@@ -208,23 +212,59 @@ class _GenericListState extends State<GenericList> {
final DateTime createdDate = data['createdDate'].toDate();
final formattedDate =
DateFormat('dd.MM.yyyy').format(createdDate);
return Dismissible(
key: UniqueKey(),
direction: DismissDirection.endToStart,
onDismissed: (direction) {
_deleteDocument(documentId, data['imageUrl']);
},
background: Container(
color: Colors.red,
child: const Align(
alignment: Alignment.centerRight,
child: Padding(
padding: EdgeInsets.only(right: 16),
child: Icon(Icons.delete, color: Colors.white),
final currentUser = FirebaseAuth.instance.currentUser;
if (currentUser != null && data['userId'] == currentUser.uid) {
return Dismissible(
key: UniqueKey(),
direction: DismissDirection.endToStart,
onDismissed: (direction) {
_deleteDocument(documentId, data['imageUrl']);
},
background: Container(
color: Colors.red,
child: const Align(
alignment: Alignment.centerRight,
child: Padding(
padding: EdgeInsets.only(right: 16),
child: Icon(Icons.delete, color: Colors.white),
),
),
),
),
child: UserDefinedItem(
child: UserDefinedItem(
title: data['title'] ?? '',
datum: formattedDate,
description: data['description'] ?? '',
imageUrl: data['imageUrl'] ?? '',
isSelected: selectedItems.containsKey(documentId),
onTap: () {
clearSelectedItems();
// Open a new screen when the user taps on the list item
Navigator.push(
context,
MaterialPageRoute(
builder: (context) => DetailPage(
title: data['title'],
datum: formattedDate,
description: data['description'],
imageUrl: data['imageUrl'],
),
),
);
},
onLongPress: () {
setState(() {
if (selectedItems.containsKey(documentId)) {
selectedItems.remove(documentId);
} else {
selectedItems[documentId] = data;
}
});
},
),
);
} else {
return UserDefinedItem(
title: data['title'] ?? '',
datum: formattedDate,
description: data['description'] ?? '',
@@ -254,8 +294,9 @@ class _GenericListState extends State<GenericList> {
}
});
},
),
);
);
}
},
);
}
@@ -295,17 +336,26 @@ class _GenericListState extends State<GenericList> {
],
),
floatingActionButton: FloatingActionButton(
onPressed: () {
clearSelectedItems();
Navigator.push(
context,
MaterialPageRoute(builder: (context) => AddScreen(initialIndex: widget.selectedIndex)),
);
floatingActionButton: Consumer<AuthState>(
builder: (context, authState, child) {
if (authState.isSignedIn) {
return FloatingActionButton(
onPressed: () {
clearSelectedItems();
Navigator.push(
context,
MaterialPageRoute(builder: (context) => AddScreen(initialIndex: widget.selectedIndex)),
);
},
tooltip: "Neues Element hinzufügen",
child: const Icon(Icons.add),
);
} else {
return Container(); // Return an empty container when the user is not signed in
}
},
tooltip: "Neues Element hinzufügen",
child: const Icon(Icons.add),
),
);
}
lib/anonym_aut.dart
+45
View File
@@ -0,0 +1,45 @@
import 'package:flutter/material.dart';
import 'package:firebase_auth/firebase_auth.dart';
import 'package:provider/provider.dart';
class AuthState extends ChangeNotifier {
FirebaseAuth auth = FirebaseAuth.instance;
bool _isSignedIn = false;
bool get isSignedIn => _isSignedIn;
Future<void> signInAnonymously() async {
try {
await auth.signInAnonymously();
_isSignedIn = true;
notifyListeners();
} catch (e) {
print(e);
}
}
Future<void> signOut() async {
await auth.signOut();
_isSignedIn = false;
notifyListeners();
}
}
class AnonymAuthScreen extends StatelessWidget {
@override
Widget build(BuildContext context) {
return Scaffold(
body: Center(
child: Consumer<AuthState>(
builder: (context, authState, child) {
return ElevatedButton(
onPressed: authState.isSignedIn
? authState.signOut
: authState.signInAnonymously,
child: Text(authState.isSignedIn ? 'Abmelden' : 'Anonym anmelden'),
);
},
),
),
);
}
}
lib/home.dart
+2 -1
View File
@@ -1,6 +1,7 @@
import 'package:flutter/material.dart';
import 'package:oggauergemeindetrommler/LoginPage.dart';
import 'UserDefinedList.dart';
import 'anonym_aut.dart';
class MyHomePage extends StatefulWidget {
const MyHomePage({Key? key, required this.title});
@@ -23,7 +24,7 @@ class _MyHomePageState extends State<MyHomePage> {
const GenericList(collectionName: 'CitizensForum', selectedIndex: 0,),
const GenericList(collectionName: 'News', selectedIndex: 1,),
const GenericList(collectionName: 'Issues', selectedIndex: 2,),
LoginPage()
AnonymAuthScreen()
];
return Scaffold(
lib/main.dart
+9 -2
View File
@@ -1,4 +1,6 @@
import 'package:flutter/material.dart';
import 'package:provider/provider.dart';
import 'anonym_aut.dart';
import 'home.dart';
import 'package:firebase_core/firebase_core.dart';
import 'firebase_options.dart';
@@ -8,10 +10,15 @@ void main() async {
await Firebase.initializeApp(
options: DefaultFirebaseOptions.currentPlatform,
);
runApp(const MyApp());
runApp(
ChangeNotifierProvider(
create: (context) => AuthState(),
child: const MyApp(),
),
);
}
class MyApp extends StatelessWidget {
const MyApp({super.key});