149 lines
5.3 KiB
Dart
149 lines
5.3 KiB
Dart
import 'package:easy_localization/easy_localization.dart';
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import 'package:flutter/material.dart';
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import 'package:gecko/globals.dart';
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import 'package:gecko/models/queries_indexer.dart';
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import 'package:gecko/models/scale_functions.dart';
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import 'package:gecko/models/widgets_keys.dart';
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import 'package:gecko/providers/duniter_indexer.dart';
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import 'package:gecko/providers/substrate_sdk.dart';
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import 'package:gecko/widgets/history_view.dart';
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import 'package:gecko/widgets/transaction_in_progress_tile.dart';
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import 'package:graphql_flutter/graphql_flutter.dart';
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import 'package:provider/provider.dart';
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class HistoryQuery extends StatelessWidget {
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const HistoryQuery({Key? key, required this.address}) : super(key: key);
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final String address;
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@override
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Widget build(BuildContext context) {
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final duniterIndexer = Provider.of<DuniterIndexer>(context, listen: false);
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final sub = Provider.of<SubstrateSdk>(context, listen: false);
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final ScrollController scrollController = ScrollController();
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FetchMoreOptions? opts;
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int nRepositories = 20;
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if (indexerEndpoint == '') {
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return Column(children: <Widget>[
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ScaledSizedBox(height: 50),
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Text(
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"noNetworkNoHistory".tr(),
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textAlign: TextAlign.center,
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style: scaledTextStyle(fontSize: 18),
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)
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]);
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}
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return GraphQLProvider(
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client: ValueNotifier(duniterIndexer.indexerClient),
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child: Expanded(
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child: Column(
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mainAxisAlignment: MainAxisAlignment.start,
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mainAxisSize: MainAxisSize.max,
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children: <Widget>[
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Query(
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options: QueryOptions(
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document: gql(getHistoryByAddressQ),
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variables: <String, dynamic>{
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'address': address,
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'number': nRepositories,
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'offset': 0
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},
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),
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builder: (QueryResult result, {fetchMore, refetch}) {
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duniterIndexer.refetch = refetch;
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if (result.isLoading && result.data == null) {
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return const Center(
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child: CircularProgressIndicator(
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color: orangeC,
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),
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);
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}
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final List transactions = result.data?["transaction"];
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if (result.hasException) {
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log.e('Error Indexer: ${result.exception}');
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return Column(children: <Widget>[
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ScaledSizedBox(height: 50),
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Text(
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"noNetworkNoHistory".tr(),
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textAlign: TextAlign.center,
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style: scaledTextStyle(fontSize: 18),
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)
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]);
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} else if (transactions.isEmpty) {
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return Column(children: <Widget>[
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ScaledSizedBox(height: 50),
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Text(
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"noDataToDisplay".tr(),
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style: scaledTextStyle(fontSize: 18),
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)
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]);
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}
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final int totalTransactions =
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result.data!["transaction_aggregate"]["aggregate"]["count"];
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duniterIndexer.hasNextPage =
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!(transactions.length == totalTransactions);
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opts = duniterIndexer.mergeQueryResult(
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transactions: transactions,
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opts: opts,
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address: address,
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nRepositories: nRepositories,
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offset: transactions.length,
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);
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// Get transaction in progress if exist
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String? transactionId;
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for (final entry in sub.transactionStatus.entries) {
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if (entry.value.from == address) {
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transactionId = entry.key;
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break;
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}
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}
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// Build history list
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return NotificationListener(
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child: Builder(
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builder: (context) => Expanded(
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child: RefreshIndicator(
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color: orangeC,
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onRefresh: () async => refetch!.call(),
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child: ListView(
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key: keyListTransactions,
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controller: scrollController,
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children: <Widget>[
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if (transactionId != null)
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TransactionInProgressTule(
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address: address,
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transactionId: transactionId),
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HistoryView(
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result: result,
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address: address,
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)
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],
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),
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),
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),
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),
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onNotification: (dynamic t) {
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if (t is ScrollEndNotification &&
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scrollController.position.pixels >=
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scrollController.position.maxScrollExtent * 0.7 &&
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duniterIndexer.hasNextPage &&
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result.isNotLoading) {
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fetchMore!(opts!);
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}
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return true;
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});
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},
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),
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],
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)),
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);
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}
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}
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