111 lines
4.6 KiB
Swift
111 lines
4.6 KiB
Swift
//
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// Copyright (c) 2017 Touch Instinct
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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//
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import Alamofire
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import RxSwift
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import RxAlamofire
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public extension Reactive where Base: SessionManager {
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/// Method which executes request with given api parameters
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///
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/// - Parameter requestParameters: api parameters to pass Alamofire
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/// - Returns: Observable with request
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func apiRequest(requestParameters: ApiRequestParameters)
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-> Observable<DataRequest> {
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return request(requestParameters.method,
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requestParameters.url,
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parameters: requestParameters.parameters,
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encoding: requestParameters.encoding,
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headers: requestParameters.headers)
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.map { $0.validate(statusCode: self.base.acceptableStatusCodes) }
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}
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/// Method that executes request and serializes response into target object
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///
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/// - Parameter requestParameters: api parameters to pass Alamofire
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/// - Parameter decoder: json decoder to decode response data
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/// - Returns: Observable with HTTP URL Response and target object
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func responseModel<T: Decodable>(requestParameters: ApiRequestParameters,
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decoder: JSONDecoder)
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-> Observable<(response: HTTPURLResponse, model: T)> {
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return apiRequest(requestParameters: requestParameters)
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.flatMap {
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$0.rx.apiResponse(mappingQueue: self.base.mappingQueue, decoder: decoder)
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.catchErrorAndWrap(with: $0)
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}
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.catchErrorAndWrap()
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}
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/// Method that executes request and serializes response into target object
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///
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/// - Parameter requestParameters: api parameters to pass Alamofire
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/// - Parameter decoder: json decoder to decode response data
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/// - Returns: Observable with HTTP URL Response and target object
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func responseObservableModel<T: ObservableMappable>(requestParameters: ApiRequestParameters,
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decoder: JSONDecoder)
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-> Observable<(response: HTTPURLResponse, model: T)> {
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return apiRequest(requestParameters: requestParameters)
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.flatMap {
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$0.rx.observableApiResponse(mappingQueue: self.base.mappingQueue, decoder: decoder)
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.catchErrorAndWrap(with: $0)
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}
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.catchErrorAndWrap()
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}
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}
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private extension ObservableType {
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func catchErrorAndWrap(with request: DataRequest? = nil) -> Observable<E> {
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return catchError {
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let resultError: RequestError
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let response = request?.delegate.data
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switch $0 {
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case let requestError as RequestError:
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resultError = requestError
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case let urlError as URLError:
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switch urlError.code {
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case .notConnectedToInternet:
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resultError = .noConnection
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default:
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resultError = .network(error: urlError, response: response)
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}
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case let afError as AFError:
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switch afError {
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case .responseSerializationFailed, .responseValidationFailed:
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resultError = .invalidResponse(error: afError, response: response ?? Data())
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default:
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resultError = .network(error: afError, response: response)
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}
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default:
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resultError = .network(error: $0, response: response)
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}
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throw resultError
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}
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}
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}
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