[ITDS-73] refactor: #56 - PostKind를 DomainLayer로 분리

Author: wongbingg

Targets/DesignSystem/Sources/Component/Home/PostCollectionView.swift

@@ -50,7 +50,7 @@ public final class PostCollectionView: UIView {
         ofKind: UICollectionView.elementKindSectionHeader,
         for: indexPath)
       let sectionModel = dataSource.sectionModels[indexPath.section]
-      header.setData(title: sectionModel.header, summary: sectionModel.summary)
+      header.setData(title: sectionModel.kind.title, summary: sectionModel.kind.summary)
       header.tapObservable
         .map { indexPath }
         .bind(to: headerTapRelay)

Targets/DomainLayer/Sources/Entities/PostCellData.swift

@@ -47,7 +47,7 @@ public extension PostCellData {
 // MARK: - toPostSection
 
 public extension Array<PostCellData> {
-  func toPostSection(header: String, summary: String) -> PostSection {
-    .init(header: header, summary: summary, items: self)
+  func toPostSection(kind: PostKind) -> PostSection {
+    .init(kind: kind, items: self)
   }
 }

Targets/DomainLayer/Sources/Entities/PostKind.swift

@@ -0,0 +1,38 @@
+//
+//  PostKind.swift
+//  DomainLayer
+//
+//  Created by 이원빈 on 1/17/25.
+//  Copyright © 2025 MOZIP. All rights reserved.
+//
+
+import Foundation
+
+public enum PostKind: String, CaseIterable {
+  case 공모전
+  case 해커톤
+  case 동아리
+  
+  public var id: Int {
+    switch self {
+    case .공모전: 1
+    case .해커톤: 2
+    case .동아리: 3
+    }
+  }
+  public var title: String {
+    switch self {
+    case .공모전: "공모전 📑"
+    case .해커톤: "해커톤 🏆"
+    case .동아리: "IT 동아리 💻"
+    }
+  }
+  
+  public var summary: String {
+    switch self {
+    case .공모전: "커리어 성장을 위한 IT 공모전 모음"
+    case .해커톤: "단기간 프로젝트를 경험할 수 있는 해커톤"
+    case .동아리: "사이드 프로젝트 경험을 쌓는 IT 동아리"
+    }
+  }
+}

Targets/DomainLayer/Sources/Entities/PostSection.swift

@@ -9,8 +9,7 @@
 import RxDataSources
 
 public struct PostSection: Equatable {
-  public let header: String
-  public let summary: String
+  public let kind: PostKind
   public var items: [Item]
 }
 
@@ -26,9 +25,8 @@ extension PostSection: SectionModelType {
 // MARK: - Stub
 
 public extension PostSection {
-  static func stub(header: String = "공모전",
-                   summary: String = "커리어 성장을 위한 IT 공모전 모음",
+  static func stub(kind: PostKind = .공모전,
                    items: [PostCellData] = [.stub(), .stub(), .stub(), .stub(), .stub()]) -> Self {
-    .init(header: header, summary: summary, items: items)
+    .init(kind: kind, items: items)
   }
 }

Targets/PresentationLayer/Sources/Home/Coordinator/HomeCoordinator.swift

@@ -11,7 +11,7 @@ import DomainLayer
 import UIKit
 
 public protocol HomeCoordinatorType: CoordinatorType {
-  func pushPostList(code: String)
+  func pushPostList(postKind: PostKind)
   func pushLoginPage()
   func pushMyPage()
   func pushPostDetail(id: Int)
@@ -38,10 +38,10 @@ final class HomeCoordinator: HomeCoordinatorType {
 
   func didFinish() {}
 
-  func pushPostList(code: String) {
+  func pushPostList(postKind: PostKind) {
     let coordinator = PostListCoordinator(navigationController: navigationController)
     coordinator.parentCoordinator = self
-    coordinator.start(with: code)
+    coordinator.start(with: postKind)
     self.addChild(coordinator)
   }
 

Targets/PresentationLayer/Sources/Home/Reactor/HomeReactor.swift

@@ -48,8 +48,8 @@ final class HomeReactor: Reactor {
   struct State {
     var isSuccessPostFetch: Bool = false
     var isSuccessBannerFetch: Bool = false
-    var postHeaderTitles: [String] = []
-    var selectedCell: PostCellData? 
+    var postHeaders: [PostKind] = []
+    var selectedCell: PostCellData?
 
     var postSections: [PostSection] = []
     var banners: [BannerCellData] = []
@@ -71,7 +71,7 @@ final class HomeReactor: Reactor {
     switch mutation {
     case let .setPosts(data):
       newState.postSections = data
-      newState.postHeaderTitles = data.map { $0.header }
+      newState.postHeaders = data.map { $0.kind }
       newState.isSuccessPostFetch = true
     case let .setBanners(data):
       newState.banners = data
@@ -102,9 +102,9 @@ final class HomeReactor: Reactor {
     )
     .map { (firstGroup, secondGroup, thirdGroup) in
         .setPosts(data: [
-          firstGroup.toPostSection(header: "공모전 📑", summary: "커리어 성장을 위한 IT 공모전 모음"),
-          secondGroup.toPostSection(header: "해커톤 🏆", summary: "단기간 프로젝트를 경험할 수 있는 해커톤"),
-          thirdGroup.toPostSection(header: "IT 동아리 💻", summary: "사이드 프로젝트 경험을 쌓는 IT 동아리")
+          firstGroup.toPostSection(kind: .공모전),
+          secondGroup.toPostSection(kind: .해커톤),
+          thirdGroup.toPostSection(kind: .동아리)
         ])
     }
     // TODO: .catch { error in ... } 에러처리 필요.

Targets/PresentationLayer/Sources/PostList/Coordinator/PostListCoordinator.swift

@@ -11,7 +11,7 @@ import DomainLayer
 import UIKit
 
 protocol PostListCoordinatorType: CoordinatorType {
-  func start(with code: String)
+  func start(with postKind: PostKind)
   func pushPostDetail(id: Int)
 }
 
@@ -32,8 +32,8 @@ final class PostListCoordinator: PostListCoordinatorType {
     // FIXME: ViewController 사이 데이터를 주고받을 경우 고려
   }
 
-  func start(with code: String) {
-    let vc = postListViewController(with: code)
+  func start(with postKind: PostKind) {
+    let vc = postListViewController(with: postKind)
     navigationController.pushViewController(vc, animated: true)
   }
 
@@ -61,12 +61,12 @@ final class PostListCoordinator: PostListCoordinatorType {
 
 // MARK: - Private
 private extension PostListCoordinator {
-  func postListViewController(with code: String) -> PostListViewController {
+  func postListViewController(with postKind: PostKind) -> PostListViewController {
     guard let fetchPostListUseCase = DIContainer.shared.resolve(type: FetchPostListUseCaseType.self) else {
       fatalError()
     }
     let reactor = PostListReactor(fetchPostListUseCase: fetchPostListUseCase)
-    let viewController = PostListViewController(reactor: reactor, code: code)
+    let viewController = PostListViewController(reactor: reactor, postKind: postKind)
     viewController.coordinator = self
     return viewController
   }

Targets/PresentationLayer/Sources/PostList/View/PostListViewController.swift

@@ -17,27 +17,13 @@ import RxCocoa
 
 final class PostListViewController: BaseViewController<PostListReactor>, Coordinatable {
 
-  enum PostKind: String, CaseIterable {
-    case 공모전 = "공모전 📑"
-    case 해커톤 = "해커톤 🏆"
-    case 동아리 = "IT 동아리 💻"
-    
-    var title: String {
-      switch self {
-      case .공모전: "공모전"
-      case .해커톤: "해커톤"
-      case .동아리: "동아리"
-      }
-    }
-  }
-  
   // MARK: Properties
   weak var coordinator: PostListCoordinator?
   private let postkind: PostKind
   private let orderRelay: BehaviorRelay<PostOrder> = .init(value: .latest)
 
   private var categoryID: Int {
-    Int(PostKind.allCases.firstIndex(of: postkind) ?? .zero) + 1
+    postkind.id
   }
 
   // MARK: UI
@@ -60,8 +46,8 @@ final class PostListViewController: BaseViewController<PostListReactor>, Coordin
   }
 
   // MARK: Initializer
-  init(reactor: PostListReactor, code: String) {
-    self.postkind = PostKind.init(rawValue: code) ?? .공모전
+  init(reactor: PostListReactor, postKind: PostKind) {
+    self.postkind = postKind
 
     super.init()
     self.reactor = reactor
@@ -108,7 +94,7 @@ final class PostListViewController: BaseViewController<PostListReactor>, Coordin
   private func setupInitialState() {
     scrollView.alpha = 0
     orderDropDownMenu.alpha = 0
-    navigationBar.setNavigationTitle(postkind.title)
+    navigationBar.setNavigationTitle(postkind.rawValue)
   }
 }