Album.swift

import SwiftUI

struct Album: View {
    var post:Post
    var post2:[PostById]
    
    var body: some View {
             VStack {
               Text("Title: ").bold()
                   + Text("\(post.title)")
                ImageView(withURL: "http://localhost:8000/\(post.path.replacingOccurrences(of: " ", with: "%20"))")
                   Text("Description: ").bold()
                       + Text("\(post.description)")
                List{
                    ForEach(self.post2.filter { i in i.album_id == post.id }){ post in
                        Text("\(post.name ?? "title")")
                    }
                }

            }
        
       
         }
    
       
    
}

ContentView.swift

import SwiftUI
import ASCollectionView

struct ContentView: View {
  @ObservedObject var model = PostListViewModel()
  @ObservedObject var model2 = PostListViewByIdModel()
    
        var body: some View {
            
          NavigationView {
                           List(model.posts) { post in
                            VStack{
                                   Text("Title: ").bold()
                                       + Text("\(post.title)")
                                NavigationLink(destination: Album(post: post, post2: self.model2.postsById)) {
                                 ImageView(withURL: "http://localhost:8000/\(post.path.replacingOccurrences(of: " ", with: "%20"))")
                                   }
                                   Text("Description: ").bold()
                                  + Text("\(post.description)")

                                   
                                 }
                            
                               }
                    


                }
                    
               

                        
                  .onReceive(model.$posts) { posts in // << first got finished
                     self.model2.fetchPostsById(for: posts)
                   }
            



}

    
}