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Note: it's not responsive yet and doesn't look good on a small screen Signed-off-by: Philipp Hoenisch <philipp@coblox.tech>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,153 @@ | ||
| import 'package:flutter/material.dart'; | ||
| import 'package:get_10101/common/color.dart'; | ||
| import 'package:get_10101/logger/logger.dart'; | ||
| import 'package:get_10101/trade/open_position_service.dart'; | ||
| import 'package:intl/intl.dart'; | ||
|
|
||
| class OrderAndPositionTable extends StatefulWidget { | ||
| const OrderAndPositionTable({super.key}); | ||
|
|
||
| @override | ||
| OrderAndPositionTableState createState() => OrderAndPositionTableState(); | ||
| } | ||
|
|
||
| class OrderAndPositionTableState extends State<OrderAndPositionTable> | ||
| with SingleTickerProviderStateMixin { | ||
| late final _tabController = TabController(length: 2, vsync: this); | ||
|
|
||
| @override | ||
| Widget build(BuildContext context) { | ||
| return Column( | ||
| mainAxisAlignment: MainAxisAlignment.start, | ||
| crossAxisAlignment: CrossAxisAlignment.center, | ||
| children: <Widget>[ | ||
| TabBar( | ||
| unselectedLabelColor: Colors.black, | ||
| labelColor: tenTenOnePurple, | ||
| controller: _tabController, | ||
| isScrollable: false, | ||
| tabs: const [ | ||
| Tab( | ||
| text: 'Open', | ||
| ), | ||
| Tab( | ||
| text: 'Pending', | ||
| ), | ||
| ], | ||
| ), | ||
| Container( | ||
| constraints: const BoxConstraints( | ||
| // Adding constraints to avoid unbounded height, 400 is a random number to avoid pixel overflow | ||
| maxHeight: 200, | ||
| ), | ||
| child: TabBarView( | ||
| controller: _tabController, | ||
| children: const <Widget>[ | ||
| SimpleTableWidget(), | ||
| Text("Pending"), | ||
| ], | ||
| ), | ||
| ), | ||
| ], | ||
| ); | ||
| } | ||
| } | ||
|
|
||
| class SimpleTableWidget extends StatelessWidget { | ||
| const SimpleTableWidget({super.key}); | ||
|
|
||
| @override | ||
| Widget build(BuildContext context) { | ||
| return FutureBuilder<List<Position>>( | ||
| future: OpenPositionsService.fetchOpenPositions(), | ||
| builder: (context, snapshot) { | ||
| if (snapshot.connectionState == ConnectionState.waiting) { | ||
| return const Center(child: CircularProgressIndicator()); | ||
| } else if (snapshot.hasError) { | ||
| logger.i("received ${snapshot.error}"); | ||
| return const Center(child: Text('Error loading data')); | ||
| } else if (!snapshot.hasData || snapshot.data!.isEmpty) { | ||
| return const Center(child: Text('No data available')); | ||
| } else { | ||
| return buildTable(snapshot.data!); | ||
| } | ||
| }, | ||
| ); | ||
| } | ||
|
|
||
| Widget buildTable(List<Position> positions) { | ||
| return Container( | ||
| decoration: BoxDecoration( | ||
| border: Border.all( | ||
| width: 1, | ||
| ), | ||
| borderRadius: const BorderRadius.all(Radius.circular(10)), | ||
| ), | ||
| child: Table( | ||
| border: TableBorder.symmetric(inside: const BorderSide(width: 2, color: Colors.black)), | ||
| defaultVerticalAlignment: TableCellVerticalAlignment.middle, | ||
| columnWidths: const { | ||
| 0: MinColumnWidth(FixedColumnWidth(100.0), FractionColumnWidth(0.1)), | ||
| 1: MinColumnWidth(FixedColumnWidth(100.0), FractionColumnWidth(0.1)), | ||
| 2: MinColumnWidth(FixedColumnWidth(100.0), FractionColumnWidth(0.1)), | ||
| 3: MinColumnWidth(FixedColumnWidth(100.0), FractionColumnWidth(0.1)), | ||
| 4: MinColumnWidth(FixedColumnWidth(100.0), FractionColumnWidth(0.1)), | ||
| 5: MinColumnWidth(FixedColumnWidth(100.0), FractionColumnWidth(0.1)), | ||
| 6: MinColumnWidth(FixedColumnWidth(100.0), FractionColumnWidth(0.1)), | ||
| 7: MinColumnWidth(FixedColumnWidth(200.0), FractionColumnWidth(0.2)), | ||
| }, | ||
| children: [ | ||
| TableRow( | ||
| decoration: BoxDecoration( | ||
| color: tenTenOnePurple.shade300, | ||
| border: Border.all( | ||
| width: 1, | ||
| ), | ||
| borderRadius: const BorderRadius.only( | ||
| topLeft: Radius.circular(10), topRight: Radius.circular(10)), | ||
| ), | ||
| children: [ | ||
| buildHeaderCell('Symbol'), | ||
| buildHeaderCell('Quantity'), | ||
| buildHeaderCell('Entry Price'), | ||
| buildHeaderCell('Liquidation Price'), | ||
| buildHeaderCell('Margin'), | ||
| buildHeaderCell('Leverage'), | ||
| buildHeaderCell('Unrealized PnL'), | ||
| buildHeaderCell('Expiry'), | ||
| ], | ||
| ), | ||
| for (var position in positions) | ||
| TableRow( | ||
| children: [ | ||
| buildTableCell(position.contractSymbol), | ||
| buildTableCell(position.quantity.formatted()), | ||
| buildTableCell(position.averageEntryPrice.formatted()), | ||
| buildTableCell(position.liquidationPrice.formatted()), | ||
| buildTableCell(position.collateral.formatted()), | ||
| buildTableCell(position.leverage.formatted()), | ||
| // TODO: we need to get the latest quote to be able to calculate this | ||
| buildTableCell("0.0"), | ||
| buildTableCell("${DateFormat('dd-MM-yyyy – kk:mm').format(position.expiry)} CET"), | ||
| ], | ||
| ), | ||
| ], | ||
| ), | ||
| ); | ||
| } | ||
|
|
||
| TableCell buildHeaderCell(String text) { | ||
| return TableCell( | ||
| child: Container( | ||
| padding: const EdgeInsets.all(10), | ||
| alignment: Alignment.center, | ||
| child: Text(text, | ||
| textAlign: TextAlign.center, | ||
| style: const TextStyle(fontWeight: FontWeight.bold, color: Colors.white)))); | ||
| } | ||
|
|
||
| TableCell buildTableCell(String text) => TableCell( | ||
| child: Center( | ||
| child: Container( | ||
| padding: const EdgeInsets.all(10), alignment: Alignment.center, child: Text(text)))); | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,63 @@ | ||
| import 'dart:convert'; | ||
| import 'package:flutter/cupertino.dart'; | ||
| import 'package:get_10101/common/http_client.dart'; | ||
| import 'package:get_10101/common/model.dart'; | ||
|
|
||
| class OpenPositionsService { | ||
| const OpenPositionsService(); | ||
|
|
||
| static Future<List<Position>> fetchOpenPositions() async { | ||
| final response = await HttpClientManager.instance.get(Uri(path: '/api/positions')); | ||
|
|
||
| if (response.statusCode == 200) { | ||
| final List<dynamic> jsonData = jsonDecode(response.body); | ||
| return jsonData.map((positionData) => Position.fromJson(positionData)).toList(); | ||
| } else { | ||
| throw FlutterError("Could not fetch positions"); | ||
| } | ||
| } | ||
| } | ||
|
|
||
| class Position { | ||
| final Leverage leverage; | ||
| final Usd quantity; | ||
| final String contractSymbol; | ||
| final String direction; | ||
| final Usd averageEntryPrice; | ||
| final Usd liquidationPrice; | ||
| final String positionState; | ||
| final Amount collateral; | ||
| final DateTime expiry; | ||
| final DateTime updated; | ||
| final DateTime created; | ||
|
|
||
| Position({ | ||
| required this.leverage, | ||
| required this.quantity, | ||
| required this.contractSymbol, | ||
| required this.direction, | ||
| required this.averageEntryPrice, | ||
| required this.liquidationPrice, | ||
| required this.positionState, | ||
| required this.collateral, | ||
| required this.expiry, | ||
| required this.updated, | ||
| required this.created, | ||
| }); | ||
|
|
||
| factory Position.fromJson(Map<String, dynamic> json) { | ||
| return Position( | ||
| leverage: Leverage(json['leverage'] as double), | ||
| quantity: Usd(json['quantity'] as double), | ||
| contractSymbol: json['contract_symbol'] as String, | ||
| direction: json['direction'] as String, | ||
| averageEntryPrice: Usd(json['average_entry_price'] as double), | ||
| liquidationPrice: Usd(json['liquidation_price'] as double), | ||
| positionState: json['position_state'] as String, | ||
| collateral: Amount(json['collateral']), | ||
| expiry: DateTime.parse(json['expiry'] as String), | ||
| updated: DateTime.parse(json['updated'] as String), | ||
| created: DateTime.parse(json['created'] as String), | ||
| ); | ||
| } | ||
| } |
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