238caf9203
Also make sure home loads the wallet again after exiting settings. Also removed 'type' from Category, because I don't know what it was supposed to do there.
105 lines
2.9 KiB
Dart
105 lines
2.9 KiB
Dart
import 'package:currency_picker/currency_picker.dart';
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import 'package:json_annotation/json_annotation.dart';
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import 'package:prasule/api/category.dart';
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import 'package:prasule/api/walletentry.dart';
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import 'package:prasule/api/walletmanager.dart';
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part 'wallet.g.dart';
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Currency _currencyFromJson(Map<String, dynamic> data) =>
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Currency.from(json: data);
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/// Represents a single wallet
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///
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/// A wallet stores [WalletSingleEntry]s categorized under [WalletCategory]s
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@JsonSerializable()
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class Wallet {
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/// A wallet stores [WalletSingleEntry]s categorized under [WalletCategory]s
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Wallet({
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required this.name,
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required this.currency,
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this.categories = const [],
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this.entries = const [],
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this.starterBalance = 0,
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});
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/// Connects generated fromJson method
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factory Wallet.fromJson(Map<String, dynamic> json) => _$WalletFromJson(json);
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/// Name of the wallet
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final String name;
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/// A list of available categories
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final List<WalletCategory> categories;
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/// List of saved entries
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final List<WalletSingleEntry> entries;
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/// The starting balance of the wallet
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///
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/// Used to calculate current balance
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double starterBalance;
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/// Selected currency
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@JsonKey(fromJson: _currencyFromJson)
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final Currency currency;
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/// Connects generated toJson method
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Map<String, dynamic> toJson() => _$WalletToJson(this);
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/// Getter for the next unused unique number ID in the wallet's **entry** list
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int get nextId {
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var id = 1;
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while (entries.where((element) => element.id == id).isNotEmpty) {
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id++; // create unique ID
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}
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return id;
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}
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/// Getter for the next unused unique number ID in the wallet's **category**
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/// list
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int get nextCategoryId {
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var id = 0;
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while (categories.where((element) => element.id == id).isNotEmpty) {
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id++; // create unique ID
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}
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return id;
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}
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/// Removes the specified category.
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///
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/// All [WalletSingleEntry]s will have their category reassigned
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/// to the default *No category*
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Future<void> removeCategory(WalletCategory category) async {
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// First remove the category from existing entries
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for (final entryToChange
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in entries.where((element) => element.category.id == category.id)) {
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entryToChange.category =
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categories.where((element) => element.id == 0).first;
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}
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// Remove the category
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categories.removeWhere((element) => element.id == category.id);
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// Save
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await WalletManager.saveWallet(this);
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}
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/// Empty wallet used for placeholders
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static final Wallet empty = Wallet(
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name: "Empty",
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currency: Currency.from(
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json: {
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"code": "USD",
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"name": "United States Dollar",
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"symbol": r"$",
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"flag": "USD",
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"decimal_digits": 2,
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"number": 840,
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"name_plural": "US dollars",
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"thousands_separator": ",",
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"decimal_separator": ".",
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"space_between_amount_and_symbol": false,
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"symbol_on_left": true,
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},
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),
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);
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}
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