feat: Repository And UseCase 파일 생성

iOS/Projects/Features/Home/Sources/Data/FeedRepository.swift

@@ -0,0 +1,66 @@
+//
+//  FeedRepository.swift
+//  HomeFeature
+//
+//  Created by MaraMincho on 12/7/23.
+//  Copyright © 2023 kr.codesquad.boostcamp8. All rights reserved.
+//
+
+import Combine
+import CommonNetworkingKeyManager
+import Foundation
+import Trinet
+
+// MARK: - FeedRepository
+
+public struct FeedRepository: FeedRepositoryRepresentable {
+  let decoder = JSONDecoder()
+  let provider: TNProvider<FeedEndPoint>
+  init(session: URLSessionProtocol = URLSession.shared) {
+    provider = .init(session: session)
+  }
+
+  public func fetchFeed(at page: Int) -> AnyPublisher<[FeedElement], Never> {
+    return Future<[FeedElement], Error> { promise in
+      Task { [provider] in
+        do {
+          let data = try await provider.request(.fetchPosts(page: page), interceptor: TNKeychainInterceptor.shared)
+          let feedElementList = try decoder.decode([FeedElement].self, from: data)
+          promise(.success(feedElementList))
+        } catch {
+          promise(.failure(error))
+        }
+      }
+    }
+    .catch { _ in return Empty() }
+    .eraseToAnyPublisher()
+  }
+}
+
+// MARK: - FeedEndPoint
+
+public enum FeedEndPoint: TNEndPoint {
+  case fetchPosts(page: Int)
+  public var path: String {
+    return ""
+  }
+
+  public var method: TNMethod {
+    return .post
+  }
+
+  public var query: Encodable? {
+    return nil
+  }
+
+  public var body: Encodable? {
+    switch self {
+    case let .fetchPosts(page):
+      return page
+    }
+  }
+
+  public var headers: TNHeaders {
+    return .default
+  }
+}

iOS/Projects/Features/Home/Sources/Domain/Entity/FeedElement.swift

@@ -8,7 +8,7 @@
 
 import Foundation
 
-struct FeedElement: Hashable {
+public struct FeedElement: Hashable, Decodable {
   /// 개시물의 아이디 입니다.
   let ID: Int
 

iOS/Projects/Features/Home/Sources/Domain/HomeUseCase.swift

@@ -6,4 +6,24 @@
 //  Copyright © 2023 kr.codesquad.boostcamp8. All rights reserved.
 //
 
+import Combine
 import Foundation
+
+// MARK: - HomeUseCaseRepresentable
+
+public protocol HomeUseCaseRepresentable {
+  func fetchFeed(at page: Int) -> AnyPublisher<[FeedElement], Never>
+}
+
+// MARK: - HomeUseCase
+
+public struct HomeUseCase: HomeUseCaseRepresentable {
+  let feedRepositoryRepresentable: FeedRepositoryRepresentable
+  init(feedRepositoryRepresentable: FeedRepositoryRepresentable) {
+    self.feedRepositoryRepresentable = feedRepositoryRepresentable
+  }
+
+  public func fetchFeed(at page: Int) -> AnyPublisher<[FeedElement], Never> {
+    return feedRepositoryRepresentable.fetchFeed(at: page)
+  }
+}

iOS/Projects/Features/Home/Sources/Domain/RepositoryInterface/FeedRepositoryRepresentable.swift

@@ -0,0 +1,16 @@
+//
+//  FeedRepositoryRepresentable.swift
+//  HomeFeature
+//
+//  Created by MaraMincho on 1/2/24.
+//  Copyright © 2024 kr.codesquad.boostcamp8. All rights reserved.
+//
+
+import Combine
+import Foundation
+
+// MARK: - FeedRepositoryRepresentable
+
+public protocol FeedRepositoryRepresentable {
+  func fetchFeed(at page: Int) -> AnyPublisher<[FeedElement], Never>
+}

iOS/Projects/Features/Home/Sources/Presntaion/HomeScene/ViewController/HomeViewController+UICollectionViewDelegate.swift

@@ -0,0 +1,16 @@
+//
+//  HomeViewController+UICollectionViewDelegate.swift
+//  HomeFeature
+//
+//  Created by MaraMincho on 1/2/24.
+//  Copyright © 2024 kr.codesquad.boostcamp8. All rights reserved.
+//
+
+import Log
+import UIKit
+
+extension HomeViewController: UICollectionViewDelegate {
+  func scrollViewDidEndDragging(_: UIScrollView, willDecelerate _: Bool) {
+    Log.make().debug("스크롤 끝남")
+  }
+}

iOS/Projects/Features/Home/Sources/Presntaion/HomeScene/ViewController/HomeViewController.swift

@@ -76,6 +76,7 @@ final class HomeViewController: UIViewController {
 
 private extension HomeViewController {
   func setup() {
+    setCollectionViewDelegate()
     setDataSource()
     setupStyles()
     setupHierarchyAndConstraints()
@@ -84,6 +85,10 @@ private extension HomeViewController {
     testCollectionViewDataSource()
   }
 
+  func setCollectionViewDelegate() {
+    feedListCollectionView.delegate = self
+  }
+
   func setDataSource() {
     dataSource = .init(collectionView: feedListCollectionView) { collectionView, indexPath, item in
       let dequeuedCell = collectionView.dequeueReusableCell(withReuseIdentifier: FeedItemCollectionViewCell.identifier, for: indexPath)