SwiftUI View using the Service

ViewUsingService.swift

import SwiftUI

struct ContentView: View {
  @EnvironmentObject private var exampleService: ExampleService
  
  var body: some View {
    List {
      ForEach(exampleSerivce.someList, id: \.self) { listItem in
        Text(listItem.name)
      }
    }
    .navigationTitle("Some List")
    .toolbar {
      Button("Add Something") {
        exampleService.someComplexMultiModelAction()
      }
    }
  }
}

#Preview {
  do {
    let configuration = ModelConfiguration(isStoredInMemoryOnly: true)
    let container = try! ModelContainer(for: SomeModel.self, SomeOtherModel.self, configurations: configuration)
    let someOtherModel = SomeOtherModel(mame: "Foo")
    let someModel = SomeModel(name: "Bar", otherModelInstance: someOtherModel)
    container.mainContext.insert(someModel)
    return ContentView()
      .environmentObject(ExampleService(modelContext: container.mainContext))
  } catch {
    return Text("oops")
  }
}