[Feat/#7] DataSource 구현

Tving-Clone/Tving-Clone/Data/DataSources/ContentDataSource.swift

@@ -0,0 +1,81 @@
+//
+//  ContentDataSource.swift
+//  Tving-Clone
+//
+//  Created by Seonwoo Kim on 6/7/24.
+//
+
+import Foundation
+
+import Moya
+
+class ContentDataSource {
+    private var movieProvider = MoyaProvider<MovieTargetType>(plugins: [MoyaLoggingPlugin()])
+}
+
+extension ContentDataSource {
+    func getMovieInfo(completion: @escaping (Result<[Content], Error>) -> Void) {
+        movieProvider.request(.getMovieData) { result in
+            switch result {
+            case .success(let response):
+                let statusCode = response.statusCode
+                let data = response.data
+                do {
+                    let networkResult = try self.judgeStatus(by: statusCode, data, MovieResponseDTO.self).toAppData()
+                    completion(.success(networkResult))
+                } catch {
+                    completion(.failure(error))
+                }
+            case .failure(let error):
+                completion(.failure(error))
+            }
+        }
+    }
+
+    func getDetailInfo(code: String, completion: @escaping (Result<ContentDetail, Error>) -> Void) {
+        movieProvider.request(.getDetailData(code: code)) { result in
+            switch result {
+            case .success(let response):
+                let statusCode = response.statusCode
+                let data = response.data
+                do {
+                    let networkResult = try self.judgeStatus(by: statusCode, data, DetailResponseDTO.self).toDomain()
+                    completion(.success(networkResult))
+                } catch {
+                    completion(.failure(error))
+                }
+            case .failure(let error):
+                completion(.failure(error))
+            }
+        }
+    }
+
+    private func judgeStatus<T: Codable>(by statusCode: Int, _ data: Data, _ object: T.Type) throws -> T {
+        switch statusCode {
+        case 200..<205:
+            return try isValidData(data: data, T.self)
+        case 400..<500:
+            throw NetworkError.requestError
+        case 500:
+            throw NetworkError.serverError
+        default:
+            throw NetworkError.networkFailure
+        }
+    }
+
+    private func isValidData<T: Codable>(data: Data, _ object: T.Type) throws -> T {
+        let decoder = JSONDecoder()
+        guard let decodedData = try? decoder.decode(T.self, from: data) else {
+            print("⛔️ 디코딩 오류가 발생했습니다 ⛔️")
+            throw NetworkError.decodingError
+        }
+        return decodedData
+    }
+}
+
+enum NetworkError: Error {
+    case requestError
+    case serverError
+    case networkFailure
+    case decodingError
+}