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GymLink_Flutter/lib/tools/history.dart

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import 'dart:convert';
import 'dart:math';
import 'package:gymlink_module_web/interfaces/items.dart';
import 'package:shared_preferences/shared_preferences.dart';
Future<List<GymHistoryItem>> getHistory() async {
final prefs = await SharedPreferences.getInstance();
String historyString = prefs.getString('history') ?? "[]";
List<GymHistoryItem> history = [];
for (var historyItem in jsonDecode(historyString) as List<dynamic>) {
history.add(GymHistoryItem.fromJson(historyItem));
}
history.sort((a, b) => b.id.compareTo(a.id));
history = history.reversed.toList();
return history;
}
Future<void> addToHistory(GymHistoryItemDetail item) async {
final prefs = await SharedPreferences.getInstance();
String historyString = prefs.getString('history') ?? "[]";
List<GymHistoryItem> history = [];
for (var historyItem in jsonDecode(historyString) as List<dynamic>) {
history.add(GymHistoryItem.fromJson(historyItem));
}
item.id = Random().nextInt(100000).toString();
String detailHistoryString = prefs.getString('detail_history') ?? "[]";
List<GymHistoryItemDetail> detailHistory = [];
for (var historyItem in jsonDecode(detailHistoryString) as List<dynamic>) {
detailHistory.add(GymHistoryItemDetail.fromJson(historyItem));
}
List<Map<String, dynamic>> providers = [];
for (final provider in item.providers) {
providers.add(provider.toJson());
}
var json = {
"id": item.id,
"date": DateTime.now()
.toLocal()
.toLocal()
.toString()
.split(' ')[0]
.replaceAll('-', '.')
.split('.')
.reversed
.join('.'),
"sum": item.sum,
"pay_url": item.providers.where((e) => e.status == 'Не оплачен').isNotEmpty
? 'https://example.org'
: null,
"receiver": item.receiver,
"email": item.email,
"address": item.address,
"providers": providers
};
final detailHistoryItem = GymHistoryItemDetail.fromJson(json);
detailHistory.add(detailHistoryItem);
history.add(GymHistoryItem(
date: detailHistoryItem.date,
id: detailHistoryItem.id,
photo: detailHistoryItem.providers[0].items[0].photo,
sum: detailHistoryItem.sum,
));
prefs.setString('history', jsonEncode(history));
prefs.setString('detail_history', jsonEncode(detailHistory));
}
Future<GymHistoryItemDetail?> getHistoryDetail(String id) async {
final prefs = await SharedPreferences.getInstance();
String historyString = prefs.getString('detail_history') ?? "[]";
for (var historyItem in jsonDecode(historyString) as List<dynamic>) {
if (GymHistoryItemDetail.fromJson(historyItem).id == id) {
return GymHistoryItemDetail.fromJson(historyItem);
}
}
return null;
}
Future<void> payOrder(String id) async {
final prefs = await SharedPreferences.getInstance();
String historyString = prefs.getString('detail_history') ?? "[]";
List<GymHistoryItemDetail> history = [];
for (var historyItem in jsonDecode(historyString) as List<dynamic>) {
history.add(GymHistoryItemDetail.fromJson(historyItem));
}
List<GymHistoryItemDetail> newHistory = [];
for (final historyItem in history) {
if (historyItem.id == id) {
for (final provider in historyItem.providers) {
if (provider.status == 'Не оплачен') {
provider.status = 'Оплачен';
}
}
historyItem.payUrl = null;
}
newHistory.add(historyItem);
}
prefs.setString('detail_history', jsonEncode(newHistory));
}