| 1 | import 'package:cw_core/crypto_currency.dart'; |
| 2 | |
| 3 | class TradeCurrencySnapshot { |
| 4 | TradeCurrencySnapshot._(); |
| 5 | |
| 6 | static CryptoCurrency? fromLegacyHive({ |
| 7 | required int raw, |
| 8 | String? displayTitleTag, |
| 9 | }) { |
| 10 | if (raw >= 0) { |
| 11 | final curr = CryptoCurrency.safeDeserialize(raw: raw); |
| 12 | if (curr != null) return curr; |
| 13 | } |
| 14 | |
| 15 | return _parseLegacyTitleTag(displayTitleTag); |
| 16 | } |
| 17 | |
| 18 | static CryptoCurrency? _parseLegacyTitleTag(String? titleTag) { |
| 19 | if (titleTag == null || titleTag.isEmpty) return null; |
| 20 | |
| 21 | final idx = titleTag.indexOf('_'); |
| 22 | if (idx < 0) { |
| 23 | return CryptoCurrency( |
| 24 | title: titleTag, |
| 25 | name: '', |
| 26 | raw: -1, |
| 27 | decimals: 1, |
| 28 | ); |
| 29 | } |
| 30 | |
| 31 | final title = titleTag.substring(0, idx); |
| 32 | |
| 33 | var tag = titleTag.substring(idx + 1); |
| 34 | |
| 35 | if (tag.contains('ARB')) tag = 'ARB'; |
| 36 | |
| 37 | return CryptoCurrency( |
| 38 | title: title, |
| 39 | tag: tag.isNotEmpty ? tag : null, |
| 40 | name: '', |
| 41 | raw: -1, |
| 42 | decimals: 1, |
| 43 | ); |
| 44 | } |
| 45 | } |