Add button to save

gastrack/AddEntryView.swift

@@ -8,6 +8,9 @@
 import SwiftUI
 
 struct AddEntryView: View {
+    @Environment(\.presentationMode) var presentationMode
+    @Environment(\.modelContext) var ctx
+    
     @State private var t1: String = ""
     @State private var t2: String = ""
     
@@ -42,16 +45,30 @@ struct AddEntryView: View {
             .navigationTitle("New Entry")
             .toolbar {
                 ToolbarItem(placement: .cancellationAction) {
-                    Button("Cancel") {}
+                    Button(action: { presentationMode.wrappedValue.dismiss() }) {
+                        Text("Cancel")
+                            .foregroundStyle(.red)
+                    }
                 }
                 ToolbarItem(placement: .confirmationAction) {
-                    Button("Confirm") {
-                        
+                    Button(action: addItem) {
+                        Text("Add")
                     }
                 }
             }
         }
     }
+    
+    func addItem() {
+        let newItem = Entry(
+            odo: Int(Odometer) ?? 0,
+            cost: Double(TotalCost) ?? 0,
+            quantity: Double(Litres) ?? 0,
+            fuelType: Location
+        )
+        ctx.insert(newItem)
+        try? ctx.save()
+    }
 }
 
 #Preview {