[홈] 무한 캐러셀 구현

SpaceCapsule/SpaceCapsule/Scene/TabBar/Home/HomeViewController.swift

@@ -15,7 +15,9 @@ final class HomeViewController: UIViewController, BaseViewController {
 
  var viewModel: HomeViewModel?
  var disposeBag = DisposeBag()
-
+
+ var datasource: [HomeCapsuleCellItem] = []
+
  var centerIndex: CGFloat {
  return homeView.capsuleCollectionView.contentOffset.x / (FrameResource.homeCapsuleCellWidth * 0.75 + 10)
  }
@@ -30,13 +32,16 @@ final class HomeViewController: UIViewController, BaseViewController {
  title = "홈"
  configureView()
  bind()
+ homeView.capsuleCollectionView.dataSource = self
  }
 
  override func viewWillAppear(_ animated: Bool) {
  super.viewWillAppear(animated)
  viewModel?.input.viewWillAppear.onNext(())
  }
 
+ // MARK: - Functions
+
  private func configureView() {
  view.backgroundColor = .themeBackground
 
@@ -49,6 +54,12 @@ final class HomeViewController: UIViewController, BaseViewController {
  } else {
  owner.emptyView = nil
  owner.showHomeView()
+ owner.datasource = capsuleCellItems
+ owner.homeView.capsuleCollectionView.reloadData()
+ DispatchQueue.main.async {
+ Thread.sleep(forTimeInterval: 0.01)
+ owner.homeView.capsuleCollectionView.scrollToItem(at: IndexPath(item: 10000000, section: 0), at: .centeredHorizontally, animated: false)
+ }
  }
  }
  .disposed(by: disposeBag)
@@ -88,18 +99,6 @@ final class HomeViewController: UIViewController, BaseViewController {
  return
  }
 
- viewModel.output.featuredCapsuleCellItems
- .bind(to: homeView.capsuleCollectionView.rx.items) { collectionView, index, element in
- guard let cell = collectionView.dequeueReusableCell(
- withReuseIdentifier: HomeCapsuleCell.identifier,
- for: IndexPath(item: index, section: 0)
- ) as? HomeCapsuleCell else {
- return UICollectionViewCell()
- }
- cell.configure(capsuleCellModel: element)
- return cell
- }.disposed(by: disposeBag)
-
  viewModel.output.userCapsuleStatus
  .subscribe(onNext: { [weak self] status in
  self?.homeView.mainStatusLabel.updateUserCapsuleStatus(
@@ -151,6 +150,7 @@ final class HomeViewController: UIViewController, BaseViewController {
  .withUnretained(self)
  .subscribe(
  onNext: { owner, indexPath in
+ print(owner.centerIndex)
  if owner.getIndexRange(index: indexPath.item) ~= owner.centerIndex {
  if let cell = owner.homeView.capsuleCollectionView.cellForItem(at: indexPath) as? HomeCapsuleCell {
  guard let uuid = cell.uuid else {
@@ -164,3 +164,20 @@ final class HomeViewController: UIViewController, BaseViewController {
  }).disposed(by: disposeBag)
  }
 }
+
+extension HomeViewController: UICollectionViewDataSource {
+ func collectionView(_ collectionView: UICollectionView, numberOfItemsInSection section: Int) -> Int {
+ return datasource.isEmpty ? 0 : Int.max
+ }
+
+ func collectionView(_ collectionView: UICollectionView, cellForItemAt indexPath: IndexPath) -> UICollectionViewCell {
+ guard let cell = collectionView.dequeueReusableCell(
+ withReuseIdentifier: HomeCapsuleCell.identifier,
+ for: indexPath
+ ) as? HomeCapsuleCell else {
+ return UICollectionViewCell()
+ }
+ cell.configure(capsuleCellModel: datasource[indexPath.item % datasource.count])
+ return cell
+ }
+}

SpaceCapsule/SpaceCapsule/Scene/TabBar/Home/HomeViewModel.swift

@@ -56,7 +56,7 @@ final class HomeViewModel: BaseViewModel, CapsuleCellNeedable {
  owner.output.featuredCapsuleCellItems.accept(
  CapsuleType.allCases
  .map { owner.getHomeCapsuleCellItem(capsules: capsuleList, type: $0) }
- .compactMap({ $0 })
+ .compactMap({ $0 }) // + Array(repeating: nil, count: Int.max)
  )
 
  })