♻️ refactor: MusicResponse, PodcastResponse 제너릭으로 변환 및 사용 메서드 변경

challenge/challenge/Model/HomeSection.swift

@@ -55,3 +55,8 @@ enum LayoutType {
     case card
     case list
 }
+
+struct MusicSection {
+    let section: HomeSection
+    let items: [Music]
+}

challenge/challenge/Model/iTunesResponse.swift

@@ -0,0 +1,27 @@
+//
+//  iTunesResponse.swift
+//  challenge
+//
+//  Created by 손영빈 on 3/19/26.
+//
+
+import Foundation
+
+struct iTunesResponse<T: Codable>: Codable {
+    let results: [T]
+}
+
+struct Music: Codable, Hashable {
+    let trackName: String?
+    let artistName: String?
+    let collectionName: String?
+    let artworkUrl60: String? // 앨범커버
+    let artworkUrl100: String?
+}
+
+struct Podcast: Codable, Hashable {
+    let trackName: String?
+    let artistName: String?
+    let artworkUrl100: String?
+    let artworkUrl600: String?
+}

challenge/challenge/ViewModel/HomeViewModel.swift

@@ -42,7 +42,7 @@ class HomeViewModel: ViewModel {
         let observable = sectionInfo.map { section, term -> Observable<MusicSection> in
             guard let url = NetworkManager.shared.url(term: term, media: "music") else { return .error(NetworkError.requestError) }
             return NetworkManager.shared.fetch(url: url)
-                .map { (response: MusicResponse) in // MusicResponse -> MusicSection으로 반환
+                .map { (response: iTunesResponse<Music>) in // MusicResponse -> MusicSection으로 반환
                     MusicSection(section: section, items: response.results)
                 }.asObservable()
         }

challenge/challenge/ViewModel/SearchViewModel.swift

@@ -28,38 +28,27 @@ class SearchViewModel: ViewModel {
             .filter { !$0.isEmpty }
             .share()
 
-        let podcast = searchText
-            .flatMap { [weak self] term -> Observable<[Podcast]> in
-                guard let self else { return .just([] as [Podcast])}
-                guard let url = NetworkManager.shared.url(term: term, media: "podcast") else {
-                    self.errorSubject.onNext(.requestError)
-                    return .just([] as [Podcast])
-                }
-                return NetworkManager.shared.fetch(url: url)
-                    .map { (response: PodcastResponse) in response.results }
-                    .asObservable()
-                    .catch { [weak self] error in
-                        self?.errorSubject.onNext(error as! NetworkError)
-                        return .just([] as [Podcast])
-                    }
-            }
-
-        let music = searchText
-            .flatMap { [weak self] term -> Observable<[Music]> in
-                guard let self else { return .just([] as [Music]) }
-                guard let url = NetworkManager.shared.url(term: term, media: "music") else {
-                    self.errorSubject.onNext(.requestError)
-                    return .just([] as [Music])}
-                return NetworkManager.shared.fetch(url: url)
-                    .map { (response: MusicResponse) in response.results }
-                    .asObservable()
-                    .catch { [weak self] error in
-                        self?.errorSubject.onNext(error as! NetworkError)
-                        return .just([] as [Music])
-                    }
-            }
-        let searchResult = Observable.zip(podcast, music)
+        let podcast: Observable<[Podcast]> = search(searchText: searchText, media: "podcast")
+        let music: Observable<[Music]> = search(searchText: searchText, media: "music")
+        let searchResult = Observable.zip(podcast, music).share()
 
         return Output(searchResult: searchResult, error: errorSubject.asObservable())
     }
+
+    private func search<T: Codable>(searchText: Observable<String>, media: String) -> Observable<[T]> {
+        searchText.flatMap { [weak self] term -> Observable<[T]> in
+            guard let self else { return .just([])}
+            guard let url = NetworkManager.shared.url(term: term, media: media) else {
+                self.errorSubject.onNext(.requestError)
+                return .just([])
+            }
+            return NetworkManager.shared.fetch(url: url)
+                .map { (response: iTunesResponse<T>) in response.results }
+                .asObservable()
+                .catch { [weak self] error in
+                    self?.errorSubject.onNext(error as! NetworkError)
+                    return .just([])
+                }
+        }
+    }
 }