Add TransactionsStore for state management

Coinly/App/ContentView.swift

@@ -1,16 +1,11 @@
-//
-//  ContentView.swift
-//  Coinly
-//
-//  Created by Vadym Samoilenko on 02/03/2025.
-//
-
 import SwiftUI
 
 struct ContentView: View {
+    @State private var transactions = TransactionModel.sampleData
+    
     var body: some View {
         TabView {
-            DashboardView()
+            DashboardView(transactions: transactions)
                 .tabItem {
                     Label("Dashboard", systemImage: "chart.pie.fill")
                 }
@@ -27,9 +22,3 @@ struct ContentView: View {
         }
     }
 }
-
-struct ContentView_Previews: PreviewProvider {
-    static var previews: some View {
-        ContentView()
-    }
-}

Coinly/Features/Dashboard/DashboardView.swift

@@ -1,35 +1,93 @@
-//
-//  DashboardView.swift
-//  Coinly
-//
-//  Created by Vadym Samoilenko on 02/03/2025.
-//
-
-
 import SwiftUI
 
 struct DashboardView: View {
+    let transactions: [TransactionModel]
+    
+    var totalBalance: Double {
+        transactions.reduce(0) { $0 + $1.signedAmount }
+    }
+    
+    var income: Double {
+        transactions.filter { !$0.isExpense }.reduce(0) { $0 + $1.amount }
+    }
+    
+    var expenses: Double {
+        transactions.filter { $0.isExpense }.reduce(0) { $0 + $1.amount }
+    }
+    
     var body: some View {
         NavigationView {
-            VStack {
-                Text("Total Balance")
-                    .font(.subheadline)
-                    .foregroundColor(.gray)
-                
-                Text("$1,234.56")
-                    .font(.title)
-                    .fontWeight(.bold)
-                
-                Spacer()
+            ScrollView {
+                VStack(spacing: 20) {
+                    // Balance Card
+                    VStack(spacing: 8) {
+                        Text("Total Balance")
+                            .font(.subheadline)
+                            .foregroundColor(.gray)
+                        
+                        Text(String(format: "$ %.2f", totalBalance))
+                            .font(.title)
+                            .fontWeight(.bold)
+                    }
+                    .frame(maxWidth: .infinity)
+                    .padding()
+                    .background(Color(.systemBackground))
+                    .cornerRadius(12)
+                    .shadow(radius: 2)
+                    
+                    // Income/Expense Summary
+                    HStack(spacing: 16) {
+                        // Income Card
+                        VStack(spacing: 8) {
+                            Text("Income")
+                                .font(.subheadline)
+                                .foregroundColor(.gray)
+                            Text(String(format: "$ %.2f", income))
+                                .font(.headline)
+                                .foregroundColor(.green)
+                        }
+                        .frame(maxWidth: .infinity)
+                        .padding()
+                        .background(Color(.systemBackground))
+                        .cornerRadius(12)
+                        .shadow(radius: 2)
+                        
+                        // Expense Card
+                        VStack(spacing: 8) {
+                            Text("Expenses")
+                                .font(.subheadline)
+                                .foregroundColor(.gray)
+                            Text(String(format: "$ %.2f", expenses))
+                                .font(.headline)
+                                .foregroundColor(.red)
+                        }
+                        .frame(maxWidth: .infinity)
+                        .padding()
+                        .background(Color(.systemBackground))
+                        .cornerRadius(12)
+                        .shadow(radius: 2)
+                    }
+                    
+                    // Recent Transactions
+                    VStack(alignment: .leading, spacing: 12) {
+                        Text("Recent Transactions")
+                            .font(.headline)
+                        
+                        ForEach(Array(transactions.prefix(3))) { transaction in
+                            TransactionRowView(transaction: transaction)
+                            Divider()
+                        }
+                    }
+                    .frame(maxWidth: .infinity)
+                    .padding()
+                    .background(Color(.systemBackground))
+                    .cornerRadius(12)
+                    .shadow(radius: 2)
+                }
+                .padding()
             }
-            .padding()
             .navigationTitle("Dashboard")
+            .background(Color(.systemGroupedBackground))
         }
     }
 }
-
-struct DashboardView_Previews: PreviewProvider {
-    static var previews: some View {
-        DashboardView()
-    }
-}

Coinly/Features/Models/TransactionsStore.swift

@@ -0,0 +1,21 @@
+//
+//  TransactionsStore.swift
+//  Coinly
+//
+//  Created by Vadym Samoilenko on 02/03/2025.
+//
+
+
+import Foundation
+
+class TransactionsStore: ObservableObject {
+    @Published var transactions: [TransactionModel] = TransactionModel.sampleData
+    
+    func addTransaction(_ transaction: TransactionModel) {
+        transactions.insert(transaction, at: 0)
+    }
+    
+    func deleteTransaction(at indexSet: IndexSet) {
+        transactions.remove(atOffsets: indexSet)
+    }
+}

Coinly/Features/Transactions/AddTransactionView.swift

@@ -0,0 +1,76 @@
+import SwiftUI
+
+struct AddTransactionView: View {
+    @Environment(\.dismiss) private var dismiss
+    @State private var amount: String = ""
+    @State private var note: String = ""
+    @State private var category: String = "Food"
+    @State private var date = Date()
+    @State private var type: TransactionType = .expense
+    
+    let categories = ["Food", "Transport", "Entertainment", "Shopping", "Salary", "Other"]
+    let addTransaction: (TransactionModel) -> Void
+    
+    var body: some View {
+        NavigationView {
+            Form {
+                Section("Amount") {
+                    TextField("Amount", text: $amount)
+                        .keyboardType(.decimalPad)
+                }
+                
+                Section("Type") {
+                    Picker("Type", selection: $type) {
+                        Text("Expense").tag(TransactionType.expense)
+                        Text("Income").tag(TransactionType.income)
+                    }
+                    .pickerStyle(.segmented)
+                }
+                
+                Section("Details") {
+                    Picker("Category", selection: $category) {
+                        ForEach(categories, id: \.self) { category in
+                            Text(category).tag(category)
+                        }
+                    }
+                    
+                    DatePicker("Date", selection: $date, displayedComponents: .date)
+                    
+                    TextField("Note", text: $note)
+                }
+            }
+            .navigationTitle("New Transaction")
+            .navigationBarTitleDisplayMode(.inline)
+            .toolbar {
+                ToolbarItem(placement: .cancellationAction) {
+                    Button("Cancel") {
+                        dismiss()
+                    }
+                }
+                
+                ToolbarItem(placement: .confirmationAction) {
+                    Button("Add") {
+                        if let amountDouble = Double(amount) {
+                            let transaction = TransactionModel(
+                                amount: amountDouble,
+                                date: date,
+                                type: type,
+                                category: category,
+                                note: note.isEmpty ? nil : note
+                            )
+                            addTransaction(transaction)
+                            dismiss()
+                        }
+                    }
+                    .disabled(amount.isEmpty)
+                }
+            }
+        }
+    }
+}
+
+struct AddTransactionView_Previews: PreviewProvider {
+    static var previews: some View {
+        AddTransactionView(addTransaction: { _ in })
+    }
+}

Coinly/Features/Transactions/TransactionsView.swift

@@ -1,35 +1,36 @@
-//
-//  TransactionsView.swift
-//  Coinly
-//
-//  Created by Vadym Samoilenko on 02/03/2025.
-//
-
-
 import SwiftUI
 
 struct TransactionsView: View {
+    @State private var transactions = TransactionModel.sampleData
+    @State private var showingAddTransaction = false
+    
+    func addTransaction(_ transaction: TransactionModel) {
+        transactions.insert(transaction, at: 0)
+    }
+    
     var body: some View {
         NavigationView {
             List {
-                Text("Transaction 1")
-                Text("Transaction 2")
-                Text("Transaction 3")
+                ForEach(transactions) { transaction in
+                    TransactionRowView(transaction: transaction)
+                }
+                .onDelete(perform: deleteTransactions)
             }
             .navigationTitle("Transactions")
             .toolbar {
-                Button(action: {
-                    // Add transaction action
-                }) {
+                Button {
+                    showingAddTransaction = true
+                } label: {
                     Image(systemName: "plus")
                 }
             }
+            .sheet(isPresented: $showingAddTransaction) {
+                AddTransactionView(addTransaction: addTransaction)
+            }
         }
     }
-}
-
-struct TransactionsView_Previews: PreviewProvider {
-    static var previews: some View {
-        TransactionsView()
+    
+    private func deleteTransactions(at offsets: IndexSet) {
+        transactions.remove(atOffsets: offsets)
     }
-}
+}