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Second attempt at reading data
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@Aryan-Dang
Aryan-Dang committed Jul 17, 2021
1 parent b92a90e commit 7e1f072
Showing 1 changed file with 108 additions and 64 deletions.
172 changes: 108 additions & 64 deletions lib/destinationpage.dart
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Original file line number Diff line number Diff line change
Expand Up @@ -46,40 +46,84 @@ class _DestinationPageState extends State<DestinationPage> {

@override
Widget build(BuildContext context) {
final Stream<QuerySnapshot> _usersStream = FirebaseFirestore.instance.collection('users').snapshots();
CollectionReference users = FirebaseFirestore.instance.collection('users');

return FutureBuilder<DocumentSnapshot>(
future: users.doc(widget.email).get(),
builder:
(BuildContext context, AsyncSnapshot<DocumentSnapshot> snapshot) {

return StreamBuilder<QuerySnapshot>(
stream: _usersStream,
builder: (BuildContext context, AsyncSnapshot<QuerySnapshot> snapshot) {
if (snapshot.hasError) {
return Text('Something went wrong');
return Text("Something went wrong");
}

if (snapshot.connectionState == ConnectionState.waiting) {
return Text("Loading");
if (snapshot.hasData && !snapshot.data!.exists) {
return Text("Document does not exist");
}

return new ListView(
children: snapshot.data!.docs.map((DocumentSnapshot document) {
try {
dynamic nested = document.get(FieldPath(['Destinations']));
print(nested);
} on StateError catch(e) {
print('No nested field exists!');
}
return ListTile(
title: new Text("I LOVE FLutter"),
);
// Map<String, List<String>> data = document.data() as Map<String, List<String>>;
// print(data);
// return new ListTile(
// title: new Text(data!['Destinations']),
// subtitle: new Text(data['company']),
//);
}).toList(),
);
if (snapshot.connectionState == ConnectionState.done) {
Map<String, dynamic> data = snapshot.data!.data() as Map<String, dynamic>;
print(data);
var destinationsList = data["Destinations"];
//return Text("Full Name: ${data['full_name']} ${data['last_name']}");
return Scaffold(
appBar: AppBar(
//wrapped in sub-widget Text
title: Text(widget.title),
actions: <Widget>[
IconButton(
icon: Icon(
Icons.info,
color: Colors.white,
),
onPressed: _navToAbout,
)
]
),
body: () {
return ListView.builder(
padding: const EdgeInsets.all(16.0),
itemBuilder: /*1*/ (context, i) {
if (i.isOdd) return const Divider(); /*2*/

final index = i ~/ 2; /*3*/
if (index >= destinationsList.length) {
return const Divider();
}
return (String pair) {
return ListTile(
title: Text(
pair,
style: _biggerFont,
),
trailing: Icon(Icons.more_vert
),
onTap: () { // NEW lines from here...
setState(() {
//TODO: navigate to page with stored description
//Temporary interactivity: returns to homepage
Navigator.pop(context);
});
},

);
}(destinationsList[index]);
});
}(),
floatingActionButton: FloatingActionButton(
onPressed: _addNewDest,
tooltip: 'Add New Destination',
child: Icon(Icons.add),

),
);
}

return Text("loading");
},
);
}

// return Scaffold(
// appBar: AppBar(
// //wrapped in sub-widget Text
Expand All @@ -99,44 +143,44 @@ class _DestinationPageState extends State<DestinationPage> {
// onPressed: _addNewDest,
// tooltip: 'Add New Destination',
// child: Icon(Icons.add),

//),
//);
}

//builds ListView widget
Widget _buildSuggestions() {
return ListView.builder(
padding: const EdgeInsets.all(16.0),
itemBuilder: /*1*/ (context, i) {
if (i.isOdd) return const Divider(); /*2*/

final index = i ~/ 2; /*3*/
if (index >= _suggestions.length) {
_suggestions.addAll(generateWordPairs().take(10)); /*4*/
}
return _buildRow(_suggestions[index]);
});
//
// ),
// );
}

//used to build each row (list tile)
Widget _buildRow(WordPair pair) {
return ListTile(
title: Text(
pair.asPascalCase,
style: _biggerFont,
),
trailing: Icon(Icons.more_vert
),
onTap: () { // NEW lines from here...
setState(() {
//TODO: navigate to page with stored description
//Temporary interactivity: returns to homepage
Navigator.pop(context);
});
},

);
}
}
// //builds ListView widget
// Widget _buildSuggestions() {
// return ListView.builder(
// padding: const EdgeInsets.all(16.0),
// itemBuilder: /*1*/ (context, i) {
// if (i.isOdd) return const Divider(); /*2*/
//
// final index = i ~/ 2; /*3*/
// if (index >= _suggestions.length) {
// _suggestions.addAll(generateWordPairs().take(10)); /*4*/
// }
// return _buildRow(_suggestions[index]);
// });
// }
//
// //used to build each row (list tile)
// Widget _buildRow(WordPair pair) {
// return ListTile(
// title: Text(
// pair.asPascalCase,
// style: _biggerFont,
// ),
// trailing: Icon(Icons.more_vert
// ),
// onTap: () { // NEW lines from here...
// setState(() {
// //TODO: navigate to page with stored description
// //Temporary interactivity: returns to homepage
// Navigator.pop(context);
// });
// },
//
// );
// }
//}

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