swiftui_move_cell_between_section.swift

import SwiftUI
import Combine

struct ContentView: View {
    @ObservedObject var vm = ContentViewModel()

    var body: some View {
        List {
            Section(header: Text("Check False")) {
                ForEach(vm.items.filter { $0.check == false }) { item in
                    ItemCell(vm: ItemCellViewModel(item: item))
                }
            }
            Section(header: Text("Check True")) {
                ForEach(vm.items.filter { $0.check == true }) { item in
                    ItemCell(vm: ItemCellViewModel(item: item))
                }
            }
        }
    }
}

class ContentViewModel: ObservableObject {
    let items = Item.make()
    private var bag = [AnyCancellable]()

    init() {
        items.forEach { [weak self] item in
            guard let strongSelf = self else { return }
            item.objectWillChange.sink {
                strongSelf.objectWillChange.send()
            }.store(in: &strongSelf.bag)
        }
    }
}

class ItemCellViewModel: ObservableObject {
    let item: Item
    @Published var stateSystemName: String = ""
    private var bag = [AnyCancellable]()

    init(item: Item) {
        self.item = item
        item.$check.map {
            $0 ? "checkmark.square" : "square"
        }
        .assign(to: \.stateSystemName , on: self)
        .store(in: &bag)
    }

    func switchItem() {
        item.check.toggle()
    }
}

struct ItemCell: View {
    @ObservedObject var vm: ItemCellViewModel

    var body: some View {
        HStack {
            Image(systemName: vm.stateSystemName)
                .onTapGesture {
                    self.vm.switchItem()
            }
            Text(vm.item.title)
        }
    }
}

class Item: Identifiable, ObservableObject {
    let id = UUID()
    let title: String
    @Published var check: Bool

    init(title: String, check: Bool) {
        self.title = title
        self.check = check
    }

    static func make() -> [Item] {
        return [
            Item(title: "(´･ω･`)", check: true),
            Item(title: "( ᐛ👐)パァ", check: true),
            Item(title: "( ᐛ🐾)ニャア", check: false),
            Item(title: "٩( ᐛ )و.", check: false),
            Item(title: "( ´･ω･`)人(´･ω･` )", check: false)
        ]
    }
}