task 썸네일 이미지 불러오기 개선

Projects/Features/MainFeature/Sources/Models/Channel.swift

@@ -1,25 +1,20 @@
-import UIKit
-
 public struct Channel: Hashable {
     let id: String
     let name: String
     var thumbnailImageURLString: String
-    var thumbnailImage: UIImage?
     let owner: String
     let description: String
 
     public init(
         id: String,
         title: String,
         thumbnailImageURLString: String = "",
-        thumbnailImage: UIImage? = nil,
         owner: String = "",
         description: String = ""
     ) {
         self.id = id
         self.name = title
         self.thumbnailImageURLString = thumbnailImageURLString
-        self.thumbnailImage = thumbnailImage
         self.owner = owner
         self.description = description
     }

Projects/Features/MainFeature/Sources/ViewControllers/BroadcastCollectionViewController.swift

@@ -111,6 +111,7 @@ public class BroadcastCollectionViewController: BaseViewController<BroadcastColl
             .receive(on: DispatchQueue.main)
             .sink { [weak self] channels in
                 self?.applySnapshot(with: channels)
+                self?.refreshControl.endRefreshing()
             }
             .store(in: &cancellables)
 
@@ -280,11 +281,7 @@ extension BroadcastCollectionViewController {
             }
         }
 
-        dataSource?.apply(snapshot, animatingDifferences: true) { [weak self] in
-            if self?.refreshControl.isRefreshing == true {
-                self?.refreshControl.endRefreshing()
-            }
-        }
+        dataSource?.applySnapshotUsingReloadData(snapshot)
     }
 }
 

Projects/Features/MainFeature/Sources/ViewModels/BroadcastCollectionViewModel.swift

@@ -70,7 +70,7 @@ public class BroadcastCollectionViewModel: ViewModel {
     private func fetchData() {
         fetchChannelListUsecase.execute()
             .zip(fetchAllBroadcastUsecase.execute())
-            .map { channelEntities, broadcastInfoEntities -> [Channel] in
+            .map { channelEntities, broadcastInfoEntities in
                 channelEntities.map { channelEntity in
                     let broadcast = broadcastInfoEntities.first { $0.id == channelEntity.id }
                     return Channel(
@@ -82,44 +82,13 @@ public class BroadcastCollectionViewModel: ViewModel {
                     )
                 }
             }
-            .flatMap { [weak self] channels -> AnyPublisher<[Channel], Never> in
-                guard let self else { return Just([]).eraseToAnyPublisher() }
-
-                return channels.publisher
-                    .flatMap { channel -> AnyPublisher<Channel, Never> in
-                        self.loadAsyncImage(with: channel.thumbnailImageURLString)
-                            .replaceError(with: nil)
-                            .map { image in
-                                var updatedChannel = channel
-                                updatedChannel.thumbnailImage = image
-                                return updatedChannel
-                            }
-                            .eraseToAnyPublisher()
-                    }
-                    .collect()
-                    .eraseToAnyPublisher()
-            }
             .sink(
-                receiveCompletion: { completion in
-                    switch completion {
-                    case .finished: break
-                    case .failure(let error): print("Error: \(error)")
-                    }
-                },
+                receiveCompletion: { _ in },
                 receiveValue: { [weak self] channels in
                     let filteredChannels = channels.filter { !($0.id == self?.channelID) }
                     self?.output.channels.send(filteredChannels)
                 }
             )
             .store(in: &cancellables)
     }
-
-    private func loadAsyncImage(with imageURLString: String) -> AnyPublisher<UIImage?, URLError> {
-        guard let url = URL(string: imageURLString) else {
-            return Just(nil).setFailureType(to: URLError.self).eraseToAnyPublisher()
-        }
-        return URLSession.shared.dataTaskPublisher(for: url)
-            .map { data, _ in UIImage(data: data) }
-            .eraseToAnyPublisher()
-    }
 }

Projects/Features/MainFeature/Sources/Views/BroadcastCollectionViewCell/LargeBroadcastCollectionViewCell.swift

@@ -63,7 +63,7 @@ final class LargeBroadcastCollectionViewCell: BaseCollectionViewCell, ThumbnailV
     }
 
     func configure(channel: Channel) {
-        self.thumbnailView.configure(with: channel.thumbnailImage)
+        self.thumbnailView.configure(with: channel.thumbnailImageURLString)
         self.titleLabel.text = channel.name
         self.descriptionLabel.text = channel.owner + (channel.description.isEmpty ? "" : " • \(channel.description)")
     }

Projects/Features/MainFeature/Sources/Views/BroadcastCollectionViewCell/SmallBroadcastCollectionViewCell.swift

@@ -68,7 +68,7 @@ final class SmallBroadcastCollectionViewCell: BaseCollectionViewCell, ThumbnailV
     }
 
     func configure(channel: Channel) {
-        self.thumbnailView.configure(with: channel.thumbnailImage)
+        self.thumbnailView.configure(with: channel.thumbnailImageURLString)
         self.titleLabel.text = channel.name
         self.ownerLabel.text = channel.owner
         self.descriptionLabel.text = channel.description

Projects/Features/MainFeature/Sources/Views/BroadcastThumbnailView.swift

@@ -75,6 +75,16 @@ final class ThumbnailView: BaseView {
         }
     }
 
+    func configure(with imageURLString: String) {
+        guard let url = URL(string: imageURLString) else { return }
+        URLSession.shared.dataTask(with: url) { [weak self] data, _, _ in
+            guard let data else { return }
+            DispatchQueue.main.async {
+                self?.imageView.image = UIImage(data: data)
+            }
+        }.resume()
+    }
+
     func configure(with image: UIImage?) {
         imageView.image = image
     }