feat: #4 - 코드리뷰 반영 - 불필요한 네트워크 모듈 파일 삭제

Projects/Core/PPACNetwork/Sources/NetworkError.swift

@@ -0,0 +1,21 @@
+//
+//  APIServiceError.swift
+//  PPACNetwork
+//
+//  Created by 장혜령 on 6/8/24.
+//
+
+import Foundation
+
+enum NetworkError: Error {
+  /// encoding Error
+  case urlEncodingError
+  /// response Error
+  case invalidResponse
+  /// statucCode 400 ~ 499 error
+  case clientError(statusCode: Int, message: String?)
+  /// statucCode 500 ~ error
+  case serverError(statusCode: Int, message: String?)
+  /// 알 수 없는 에러
+  case unknown
+}

Projects/Core/PPACNetwork/Sources/NetworkService.swift

@@ -0,0 +1,44 @@
+//
+//  NetworkService.swift
+//  PPACNetwork
+//
+//  Created by 장혜령 on 6/8/24.
+//
+
+import Foundation
+
+final class NetworkService: NetworkServiceable {
+
+  func request<T: Decodable>(_ request: Requestable) async -> (data: T?, error: Error?) {
+    guard let encodedUrl = request.url.addingPercentEncoding(withAllowedCharacters: .urlQueryAllowed),
+          let url = URL(string: encodedUrl) else {
+      return (nil, NetworkError.urlEncodingError)
+    }
+
+    let urlRequest = request.buildURLRequest(with: url)
+
+    let (data, response): (Data, URLResponse)
+    do {
+      (data, response) = try await URLSession.shared.data(for: urlRequest)
+    } catch {
+      return (nil, NetworkError.invalidResponse)
+    }
+
+    guard let httpResponse = response as? HTTPURLResponse else {
+      return (nil, NetworkError.invalidResponse)
+    }
+
+    switch httpResponse.statusCode {
+    case 200..<300:
+      let decoder = JSONDecoder()
+      let decodedData = try? decoder.decode(T.self, from: data)
+      return (decodedData, nil)
+    case 400..<500:
+      return (nil, NetworkError.clientError(statusCode: httpResponse.statusCode, message: String(data: data, encoding: .utf8)))
+    case 500..<600:
+      return (nil, NetworkError.serverError(statusCode: httpResponse.statusCode, message: String(data: data, encoding: .utf8)))
+    default:
+      return (nil, NetworkError.unknown)
+    }
+  }
+}