Nizz05/gemeindetrommler
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases 1 Wiki Activity

CitizenForum done. Navbar working great. Introduced cache for firestore to hopefully don't reach the bandwith limit again

Browse Source
This commit is contained in:
Nizz05
2023-04-27 22:49:58 +02:00
parent 6590e708c1
commit 6834e34b6a
4 changed files with 245 additions and 53 deletions
Download Patch File Download Diff File Expand all files Collapse all files
lib/AddPage.dart
+18 -5
View File
@@ -45,13 +45,26 @@ class _AddScreenState extends State<AddScreen> {
// Das neue Element in der Firestore-Sammlung "Issues" speichern
if(_selectedIndex == 1)
if(_selectedIndex == 0)
{
Reference ref = FirebaseStorage.instance.ref().child("Issues/${DateTime.now().toString()}");
Reference ref = FirebaseStorage.instance.ref().child("CitizensForum/${DateTime.now().toString()}");
UploadTask uploadTask = ref.putFile(imageFile);
String imageUrl = await (await uploadTask).ref.getDownloadURL();
await FirebaseFirestore.instance.collection("Issues").add({
await FirebaseFirestore.instance.collection("CitizensForum").add({
"title": title,
"description": description,
"imageUrl": imageUrl,
"createdDate": DateTime.now(),
});
}
else if(_selectedIndex == 1)
{
Reference ref = FirebaseStorage.instance.ref().child("News/${DateTime.now().toString()}");
UploadTask uploadTask = ref.putFile(imageFile);
String imageUrl = await (await uploadTask).ref.getDownloadURL();
await FirebaseFirestore.instance.collection("News").add({
"title": title,
"description": description,
"imageUrl": imageUrl,
@@ -60,10 +73,10 @@ class _AddScreenState extends State<AddScreen> {
}
else
{
Reference ref = FirebaseStorage.instance.ref().child("News/${DateTime.now().toString()}");
Reference ref = FirebaseStorage.instance.ref().child("Issues/${DateTime.now().toString()}");
UploadTask uploadTask = ref.putFile(imageFile);
String imageUrl = await (await uploadTask).ref.getDownloadURL();
await FirebaseFirestore.instance.collection("News").add({
await FirebaseFirestore.instance.collection("Issues").add({
"title": title,
"description": description,
"imageUrl": imageUrl,
lib/UserDefinedList.dart
+196 -13
View File
@@ -93,10 +93,6 @@ class UserDefinedItem extends StatelessWidget {
}
}
class NewsList extends StatefulWidget {
const NewsList({Key? key}) : super(key: key);
@@ -104,6 +100,193 @@ class NewsList extends StatefulWidget {
_NewsListState createState() => _NewsListState();
}
class _NewsListState extends State<NewsList> {
final FirebaseFirestore firestore = FirebaseFirestore.instance;
late Stream<QuerySnapshot> newsStream;
@override
void initState() {
super.initState();
// Enable persistence
firestore.enablePersistence();
// Enable network
firestore.settings = Settings(cacheSizeBytes: Settings.CACHE_SIZE_UNLIMITED);
// Configure the stream to use the cache first and then the server
newsStream = firestore
.collection('News')
.orderBy('createdDate', descending: true)
.snapshots(includeMetadataChanges: true);
}
@override
Widget build(BuildContext context) {
return StreamBuilder<QuerySnapshot>(
stream: newsStream,
builder: (BuildContext context, AsyncSnapshot<QuerySnapshot> snapshot) {
if (snapshot.hasError) {
return Text('Error: ${snapshot.error}');
}
switch (snapshot.connectionState) {
case ConnectionState.waiting:
return const Text('Loading...');
default:
final List<QueryDocumentSnapshot> documents = snapshot.data!.docs;
return ListView.builder(
itemCount: documents.length,
itemBuilder: (BuildContext context, int index) {
final Map<String, dynamic> data =
documents[index].data()! as Map<String, dynamic>;
final DateTime createdDate =
data['createdDate'].toDate();
final formattedDate =
DateFormat('dd.MM.yyyy').format(createdDate);
return UserDefinedItem(
title: data['title'] ?? '',
datum: formattedDate,
description: data['description'] ?? '',
image: Image.network((data['imageUrl'])),
);
},
);
}
},
);
}
}
class IssueList extends StatefulWidget {
const IssueList({Key? key}) : super(key: key);
@override
_IssueListState createState() => _IssueListState();
}
class _IssueListState extends State<IssueList> {
final FirebaseFirestore firestore = FirebaseFirestore.instance;
late Stream<QuerySnapshot> issueStream;
@override
void initState() {
super.initState();
// Enable persistence
firestore.enablePersistence();
// Enable network
firestore.settings = Settings(cacheSizeBytes: Settings.CACHE_SIZE_UNLIMITED);
// Configure the stream to use the cache first and then the server
issueStream = firestore
.collection('Issues')
.orderBy('createdDate', descending: true)
.snapshots(includeMetadataChanges: true);
}
@override
Widget build(BuildContext context) {
return StreamBuilder<QuerySnapshot>(
stream: issueStream,
builder: (BuildContext context, AsyncSnapshot<QuerySnapshot> snapshot) {
if (snapshot.hasError) {
return Text('Error: ${snapshot.error}');
}
switch (snapshot.connectionState) {
case ConnectionState.waiting:
return const Text('Loading...');
default:
final List<QueryDocumentSnapshot> documents = snapshot.data!.docs;
return ListView.builder(
itemCount: documents.length,
itemBuilder: (BuildContext context, int index) {
final Map<String, dynamic> data =
documents[index].data()! as Map<String, dynamic>;
final DateTime createdDate =
data['createdDate'].toDate();
final formattedDate =
DateFormat('dd.MM.yyyy').format(createdDate);
return UserDefinedItem(
title: data['title'] ?? '',
datum: formattedDate,
description: data['description'] ?? '',
image: Image.network((data['imageUrl'])),
);
},
);
}
},
);
}
}
class CitizensForum extends StatefulWidget {
const CitizensForum({Key? key}) : super(key: key);
@override
_CitizensForumState createState() => _CitizensForumState();
}
class _CitizensForumState extends State<CitizensForum> {
final FirebaseFirestore firestore = FirebaseFirestore.instance;
late Stream<QuerySnapshot<Map<String, dynamic>>> citizenStream;
@override
void initState() {
super.initState();
// Enable persistence
firestore.enablePersistence();
// Enable network
firestore.settings = Settings(cacheSizeBytes: Settings.CACHE_SIZE_UNLIMITED);
// Configure the stream to use the cache first and then the server
citizenStream = firestore
.collection('CitizensForum')
.orderBy('createdDate', descending: true)
.snapshots(includeMetadataChanges: true);
}
@override
Widget build(BuildContext context) {
return StreamBuilder<QuerySnapshot<Map<String, dynamic>>>(
stream: citizenStream,
builder: (BuildContext context, AsyncSnapshot<QuerySnapshot<Map<String, dynamic>>> snapshot) {
if (snapshot.hasError) {
return Text('Error: ${snapshot.error}');
}
switch (snapshot.connectionState) {
case ConnectionState.waiting:
return const Text('Loading...');
default:
final List<QueryDocumentSnapshot<Map<String, dynamic>>> documents = snapshot.data!.docs;
return ListView.builder(
itemCount: documents.length,
itemBuilder: (BuildContext context, int index) {
final Map<String, dynamic> data = documents[index].data();
final DateTime createdDate = data['createdDate'].toDate();
final formattedDate = DateFormat.yMd().format(createdDate);
return UserDefinedItem(
title: data['title'] ?? '',
datum: formattedDate,
description: data['description'] ?? '',
image: Image.network((data['imageUrl'])),
);
},
);
}
},
);
}
}
/*class NewsList extends StatefulWidget {
const NewsList({Key? key}) : super(key: key);
@override
_NewsListState createState() => _NewsListState();
}
class _NewsListState extends State<NewsList> {
final FirebaseFirestore firestore = FirebaseFirestore.instance;
late Stream<QuerySnapshot> newsStream;
@@ -201,12 +384,12 @@ class CitizensForum extends StatefulWidget {
const CitizensForum({Key? key}) : super(key: key);
@override
_CitizensForum createState() => _CitizensForum();
_CitizensForumState createState() => _CitizensForumState();
}
class _CitizensForum extends State<IssueList> {
class _CitizensForumState extends State<CitizensForum> {
final FirebaseFirestore firestore = FirebaseFirestore.instance;
late Stream<QuerySnapshot> citizenStream;
late Stream<QuerySnapshot<Map<String, dynamic>>> citizenStream;
@override
void initState() {
@@ -216,9 +399,9 @@ class _CitizensForum extends State<IssueList> {
@override
Widget build(BuildContext context) {
return StreamBuilder<QuerySnapshot>(
return StreamBuilder<QuerySnapshot<Map<String, dynamic>>>(
stream: citizenStream,
builder: (BuildContext context, AsyncSnapshot<QuerySnapshot> snapshot) {
builder: (BuildContext context, AsyncSnapshot<QuerySnapshot<Map<String, dynamic>>> snapshot) {
if (snapshot.hasError) {
return Text('Error: ${snapshot.error}');
}
@@ -226,13 +409,13 @@ class _CitizensForum extends State<IssueList> {
case ConnectionState.waiting:
return const Text('Loading...');
default:
final List<QueryDocumentSnapshot> documents = snapshot.data!.docs;
final List<QueryDocumentSnapshot<Map<String, dynamic>>> documents = snapshot.data!.docs;
return ListView.builder(
itemCount: documents.length,
itemBuilder: (BuildContext context, int index) {
final Map<String, dynamic> data = documents[index].data()! as Map<String, dynamic>;
final Map<String, dynamic> data = documents[index].data();
final DateTime createdDate = data['createdDate'].toDate();
final formattedDate = DateFormat('dd.MM.yyyy').format(createdDate);
final formattedDate = DateFormat.yMd().format(createdDate);
return UserDefinedItem(
title: data['title'] ?? '',
datum: formattedDate,
@@ -245,4 +428,4 @@ class _CitizensForum extends State<IssueList> {
},
);
}
}
}*/
lib/home.dart
+30 -35
View File
@@ -3,7 +3,7 @@ import 'package:flutter/material.dart';
import 'UserDefinedList.dart';
class MyHomePage extends StatefulWidget {
const MyHomePage({super.key, required this.title});
const MyHomePage({Key? key, required this.title});
final String title;
@@ -14,89 +14,84 @@ class MyHomePage extends StatefulWidget {
class _MyHomePageState extends State<MyHomePage> {
int _selectedIndex = 0;
bool login = false;
bool isIssueItemEnabled = true;
static const TextStyle optionStyle =
TextStyle(fontSize: 30, fontWeight: FontWeight.bold);
TextStyle(fontSize: 30, fontWeight: FontWeight.bold);
void _onItemTapped(int index) {
setState(() {
_selectedIndex = index;
});
}
void setLogin(bool value) {
setState(() {
login = value;
isIssueItemEnabled = value;
});
}
@override
Widget build(BuildContext context) {
final List<Widget> widgetOptions = <Widget>[
const CitizensForum(),
const NewsList(),
login ? const IssueList(): const Text(
'Mängel (nur für angemeldete Benutzer verfügbar)',
style: optionStyle,
textAlign: TextAlign.center,
),
Column(
mainAxisAlignment: MainAxisAlignment.center,
children: <Widget>[
ElevatedButton(
child: Text(login ? 'Logout' : 'Login'),
onPressed: () {
setLogin(!login);
},
),
const Text(
'Index 2: Profil',
style: optionStyle,
),
],
),
const IssueList(),
Column(mainAxisAlignment: MainAxisAlignment.center, children: <Widget>[
ElevatedButton(
child: Text(login ? 'Logout' : 'Login'),
onPressed: () {
setLogin(!login);
},
),
const Text(
'Index 2: Profil',
style: optionStyle,
),
])
];
return Scaffold(
appBar: AppBar(
title: const Text('Oggauer Gemeinde Trommler'),
),
body: Center(
child: widgetOptions.elementAt(_selectedIndex),
),
floatingActionButton: FloatingActionButton(
onPressed: () {
Navigator.push(
context,
MaterialPageRoute(builder: (context) => AddScreen(initialIndex: _selectedIndex,)),
MaterialPageRoute(
builder: (context) => AddScreen(initialIndex: _selectedIndex)),
);
},
tooltip: "Add",
child: Icon(Icons.add),
),
bottomNavigationBar: BottomNavigationBar(
items: const <BottomNavigationBarItem>
[
items: const <BottomNavigationBarItem>[
BottomNavigationBarItem(
icon: Icon(Icons.person),
label: 'BürgerForum',
),
BottomNavigationBarItem(
icon: Icon(Icons.newspaper),
label: 'News',
label: 'Neuigkeiten',
),
BottomNavigationBarItem(
icon: Icon(Icons.report),
label: 'Mängel',
),
BottomNavigationBarItem(
icon: Icon(Icons.person),
icon: Icon(Icons.account_circle),
label: 'Profil',
),
],
currentIndex: _selectedIndex,
selectedItemColor: Colors.blue,
unselectedItemColor: Colors.black26,
onTap: _onItemTapped,
),
);
}
}
}
lib/main.dart
+1
View File
@@ -1,4 +1,5 @@
//TEST, TEST
import 'package:cloud_firestore/cloud_firestore.dart';
import 'package:flutter/material.dart';
import 'home.dart';