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ContentView.swift
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ContentView.swift
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//
// ContentView.swift
// ExpenseTracker
//
// Created by Erika Pesca on 2/17/24.
//
import SwiftUI
import SwiftData
import Observation
struct ExpenseItem: Identifiable, Codable {
var id = UUID()
let name: String
let type: String
let amount: Double
}
@Observable
class Expenses {
var items = [ExpenseItem]() {
didSet {
if let encoded = try? JSONEncoder().encode(items) {
UserDefaults.standard.set(encoded, forKey: "Items")
}
}
}
init() {
if let savedItems = UserDefaults.standard.data(forKey: "Items") {
if let decodedItems = try? JSONDecoder().decode([ExpenseItem].self, from: savedItems) {
items = decodedItems
return
}
}
items = []
}
}
struct ContentView: View {
@State private var expenses = Expenses()
@State private var showingAddExpense = false
var body: some View {
NavigationStack {
List {
ForEach(expenses.items) { item in
HStack {
VStack(alignment: .leading) {
Text(item.name)
.font(.headline)
Text(item.type)
.font(.caption)
}
Spacer()
Text(item.amount, format: .currency(code: .locale))
}
}
.onDelete(perform: removeItems)
}
.navigationTitle("Expense Tracker")
.toolbar {
Button("Add Expense", systemImage: "plus") {
showingAddExpense = true
}
}
.sheet(isPresented: $showingAddExpense) {
AddView(expenses: expenses)
}
}
}
func removeItems(at offsets: IndexSet) {
expenses.items.remove(atOffsets: offsets)
}
}
#Preview {
ContentView()
}