feat: APIProvider(#30)

GsHometown-iOS/GsHometown-iOS/Network/APIProvider.swift

@@ -0,0 +1,73 @@
+//
+//  APIProvider.swift
+//  GsHometown-iOS
+//
+//  Created by 한지석 on 5/21/24.
+//
+
+import Foundation
+
+import Moya
+
+final class APIProvider<T: TargetType>: MoyaProvider<T> {
+    init() {
+        let plugin: [PluginType] = [GsPlugin()]
+        super.init(plugins: plugin)
+    }
+
+    func request<U: Codable>(
+        _ object: U.Type,
+        target: T,
+        completion: @escaping (NetworkResult<U>) -> ()
+    ) {
+        request(target) { [weak self] result in
+            guard let self = self else {
+                completion(.networkFail)
+                return
+            }
+            switch result {
+            case .success(let response):
+                let statusCode = response.statusCode
+                let data = response.data
+                let networkResult = self.judgeStatus(statusCode,
+                                                     data,
+                                                     object.self)
+                completion(networkResult)
+            case .failure:
+                completion(.networkFail)
+            }
+        }
+    }
+
+    func judgeStatus<U: Codable>(
+        _ statusCode: Int,
+        _ data: Data,
+        _ object: U.Type
+    ) -> NetworkResult<U> {
+        switch statusCode {
+        case 200..<205:
+            return isVaildData(data, object)
+        case 400..<500:
+            return .requestErr
+        case 500:
+            return .serverErr
+        default:
+            return .networkFail
+        }
+    }
+
+    private func isVaildData<U: Codable>(
+        _ data: Data,
+        _ object: U.Type
+    ) -> NetworkResult<U> {
+        let decoder = JSONDecoder()
+        guard let decodedData = try? decoder.decode(
+            U.self,
+            from: data
+        ) else {
+            print("⛔️ \(self)애서 디코딩 오류가 발생했습니다 ⛔️")
+            return .pathErr
+        }
+        return .success(decodedData)
+    }
+}