IsaAliev

override func preferredLayoutAttributesFitting(_ layoutAttributes: UICollectionViewLayoutAttributes) -> UICollectionViewLayoutAttributes {
    let attributes = super.preferredLayoutAttributesFitting(layoutAttributes)

    attributes.size = .init(width: 250, height: 100)

    return attributes
}

IsaAliev

extension ProfileViewController: UICollectionViewDelegateFlowLayout {
    func collectionView(
        _ collectionView: UICollectionView,
        layout collectionViewLayout: UICollectionViewLayout,
        referenceSizeForHeaderInSection section: Int
    ) -> CGSize {
        .init(width: 1.0, height: 30.0)
    }
    
    func collectionView(

IsaAliev

    let dependencies: [ViewDependency] = [
        .init("TextCell", withNib: false),
        .init("NamedImageCell", withNib: false),
        .init("AttributeCell", withNib: false),
        .init("TextHeaderView", viewKind: UICollectionView.elementKindSectionHeader)
    ]

IsaAliev

        let profileImagePath = Bundle.main.path(forResource: profile.imageFileName, ofType: nil) ?? ""
        
        collectionData.onNext([
            .init(
                model: TextHeaderViewModel(text: "Main Info"),
                items: [NamedImageCellModel(name: profile.name, imageFilePath: profileImagePath)]
            ),
            .init(
                model: TextHeaderViewModel(text: "About Me"),
                items: [TextCellModel(text: profile.about)]

IsaAliev

class NamedImageCell: UICollectionViewCell, ViewRepresentable {
    private weak var imageView: UIImageView!
    private weak var nameLabel: UILabel!
    
    var model: NamedImageCellModel! {
        didSet {
            setupViewModel()
        }
    }
    

IsaAliev

class NamedImageCellModel: CollectionItemViewModel {
    let name: String
    let imageFilePath: String
    
    init(name: String, imageFilePath: String) {
        self.name = name
        self.imageFilePath = imageFilePath
    }
}

IsaAliev

import UIKit
import RxSwift

class ProfileViewController:
    UICollectionViewController,
    ViewRepresentable,
    RxDataSourceRepresentableView
{
    var model: ProfileViewModel!
    

IsaAliev

import RxSwift

class ProfileViewModel: ViewModel, RxDataSourceProvider {
    let collectionData = BehaviorSubject<[SectionData]>(value: [])
    
    lazy var profile: Profile = {
        let decoder = JSONDecoder()
        let url = Bundle.main.url(forResource: "info", withExtension: "json")!
        
        return try! decoder.decode(Profile.self, from: .init(contentsOf: url))

IsaAliev

protocol RxDataSourceProvider {
    var collectionData: BehaviorSubject<[SectionData]> { get }
}

protocol RxDataSourceRepresentableView: CollectionItemsViewDependenciesContainable {
    var dataProvider: RxDataSourceProvider! { get }
    var disposeBag: DisposeBag { get }
}

IsaAliev

import RxDataSources
import UIKit

typealias SectionData = SectionModel<CollectionItemViewModel, CollectionItemViewModel>

typealias PreReturnHandler = (
    CollectionViewSectionedDataSource<SectionData>,
    IndexPath,
    UICollectionViewCell
    ) -> Void