LeadKit/Sources/Extensions/NetworkService/NetworkService+RxLoadImage....

44 lines
1.8 KiB
Swift

//
// Copyright (c) 2017 Touch Instinct
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the Software), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED AS IS, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
//
import RxSwift
import RxAlamofire
public extension NetworkService {
/// Perform reactive request to get UIImage and http response
///
/// - Parameter url: An object adopting `URLConvertible`
/// - Returns: Observable of tuple containing (HTTPURLResponse, UIImage?)
public func rxLoadImage(url: String) -> Observable<(HTTPURLResponse, UIImage?)> {
let request = RxAlamofire.requestData(.get, url, headers: [:])
return request
.observeOn(ConcurrentDispatchQueueScheduler(qos: .background))
.map { (response, data) -> (HTTPURLResponse, UIImage?) in
(response, UIImage(data: data))
}
.counterTracking(for: self)
}
}