forked from mgl_crew/Mitgliederladen
118 lines
3.7 KiB
Dart
118 lines
3.7 KiB
Dart
import 'package:uuid/uuid.dart';
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final now = DateTime.now();
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enum TransaktionArt { monatlBeitrag, aufladung, einkauf, korrektur }
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enum Unit { stueck, menge }
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enum Category {
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obstUndGemuese,
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brotCerealienUndAufstriche,
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getraenke,
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drogerieUndHaushalt,
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kochenUndBacken,
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oeleSossenUndGewuerze,
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suessesUndKnabbereien
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}
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class Transaction {
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int id = 0;
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int amount;
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TransaktionArt type;
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DateTime date;
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String? description;
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Transaction(this.type, this.amount, this.date, [this.description]);
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}
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class Product {
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final int id = 0;
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final String name;
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final Unit unit;
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final double price; //pro Kilogramm oder Stück, d.h. pro unit
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final double vat;
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final Category category;
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const Product(this.name, this.unit, this.price, this.vat, this.category);
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}
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class Purchase {
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Product product;
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int amount;
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Purchase(this.product, this.amount);
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}
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class Basket {
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Map<Product, int> purchases;
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double price;
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String guid;
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Basket(this.purchases, this.price): guid = const Uuid().v4();
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void addItem(Product product, int quantity) {
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if (purchases.containsKey(product)) {
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purchases.update(product, (existingQuantity) => existingQuantity + quantity);
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} else {
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purchases[product] = quantity;
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}
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}
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void removeItem(Product product) {
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purchases.remove(product);
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}
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}
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//sample data
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class SampleData {
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final List<Transaction> transactions = [
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Transaction(TransaktionArt.monatlBeitrag, 0, now),
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Transaction(TransaktionArt.aufladung, 2042, now),
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Transaction(
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TransaktionArt.einkauf, -2442, now.subtract(const Duration(days: 2))),
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Transaction(TransaktionArt.korrektur, 2332,
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now.subtract(const Duration(hours: 5)), 'Korrektur des Warenkorbs'),
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Transaction(TransaktionArt.monatlBeitrag, 0, now),
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Transaction(TransaktionArt.aufladung, 2042, now),
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Transaction(
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TransaktionArt.einkauf, -2442, now.subtract(const Duration(days: 2))),
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Transaction(TransaktionArt.korrektur, 2332,
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now.subtract(const Duration(hours: 5)), 'Korrektur des Warenkorbs'),
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Transaction(TransaktionArt.monatlBeitrag, 0, now),
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Transaction(TransaktionArt.aufladung, 2042, now),
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Transaction(
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TransaktionArt.einkauf, -2442, now.subtract(const Duration(days: 2))),
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Transaction(TransaktionArt.korrektur, 2332,
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now.subtract(const Duration(hours: 5)), 'Korrektur des Warenkorbs'),
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Transaction(TransaktionArt.monatlBeitrag, 0, now),
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Transaction(TransaktionArt.aufladung, 2042, now),
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Transaction(
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TransaktionArt.einkauf, -2442, now.subtract(const Duration(days: 2))),
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Transaction(TransaktionArt.korrektur, 2332,
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now.subtract(const Duration(hours: 5)), 'Korrektur des Warenkorbs'),
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Transaction(TransaktionArt.monatlBeitrag, 0, now),
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Transaction(TransaktionArt.aufladung, 2042, now),
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Transaction(
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TransaktionArt.einkauf, -2442, now.subtract(const Duration(days: 2))),
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Transaction(TransaktionArt.korrektur, 2332,
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now.subtract(const Duration(hours: 5)), 'Korrektur des Warenkorbs')
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];
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static const List<Product> products = [
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Product('Apfel', Unit.stueck, 0.23, 7, Category.obstUndGemuese),
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Product('Mehl', Unit.menge, 0.003, 19, Category.kochenUndBacken),
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Product('Brot', Unit.stueck, 1.23, 7, Category.brotCerealienUndAufstriche),
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Product('Milch', Unit.stueck, 2.23, 3, Category.getraenke),
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Product('Zahnpasta', Unit.stueck, 0.23, 7, Category.drogerieUndHaushalt),
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Product('Pfeffer', Unit.stueck, 0.23, 7, Category.oeleSossenUndGewuerze),
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Product('Schokolade', Unit.menge, 0.23, 7, Category.suessesUndKnabbereien)
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];
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Basket basket = Basket({
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products[0]: 20,
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products[1]: 2200,
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products[2]: 2,
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products[3]: 1,
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products[4]: 1,
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products[5]: 2,
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products[6]: 202
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}, 304);
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}
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