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Description

๐Ÿงš This is a set of infrastructure based on RxSwift and Moya, Multiple plugins are available for use.

Programming language: Swift
License: MIT License
Tags: API     Network     Webserver     Database     Swift    

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README

RxNetworks

Carthage compatible Releases Compatible CocoaPods Compatible Platform

RxNetworks is a declarative and reactive networking library for Swift. Developed for Swift 5, it aims to make use of the latest language features. The framework's ultimate goal is to enable easy networking that makes it easy to write well-maintainable code.

๐Ÿงš. RxSwift + Moya + HandyJSON + Plugins.๐Ÿ‘’๐Ÿ‘’๐Ÿ‘’


English | [็ฎ€ไฝ“ไธญๆ–‡](README_CN.md)

This is a set of infrastructure based on RxSwift + Moya

Features

At the moment, the most important features of RxNetworks can be summarized as follows:

  • [x] Support reactive network requests combined with RxSwift.
  • [x] Support for OOP also support POP network requests.
  • [x] Support data parsing with HandyJSON.
  • [x] Support configuration of general request and path, general parameters, etc.
  • [x] Support simple customization of various network plugins for Moya.
  • [x] Support for injecting default plugins.
  • [x] Support 6 plugins have been packaged for you to use.

MoyaNetwork

This module is based on the Moya encapsulated network API architecture.

  • Mainly divided into 8 parts:
    • NetworkConfig: Set the configuration information at the beginning of the program.
      • addDebugging๏ผšWhether to introduce the debug mode plugin by default.
      • baseURL: Root path address to base URL.
      • baseParameters: Default basic parameters, like: userID, token, etc.
      • baseMethod: Default request method type.
      • updateBaseParametersWithValue: Update default base parameter value.
    • RxMoyaProvider: Add responsiveness to network requests, returning Single sequence.
    • NetworkUtil: Network related functions
      • defaultPlugin: Add default plugin.
      • transformAPIObservableJSON: Transforms a Observable sequence JSON object.
      • handyConfigurationPlugin: Handles configuration plugins.
    • PluginSubType: Inherit and replace the Moya plug-in protocol to facilitate subsequent expansion.
      • configuration: After setting the network configuration information, this method can be used in scenarios such as throwing data directly when the local cache exists without executing subsequent network requests.
      • lastNever: When the last network response is returned, this method can be used in scenarios such as key failure to re-obtain the key and then automatically re-request the network.
    • NetworkAPI: Add protocol attributes and encapsulate basic network requests based on TargetType.
      • ip: Root path address to base URL.
      • parameters: Request parameters.
      • plugins: Set network plugins.
      • stubBehavior: Whether to take the test data.
      • retry๏ผšNetwork request failure retries.
      • request: Network request method and return a Single sequence object.
    • NetworkAPI+Ext: Protocol default implementation scheme.
    • NetworkAPIOO: OOP converter, MVP to OOP, convenient for friends who are used to OC thinking
      • cdy_ip: Root path address to base URL.
      • cdy_path: Request path.
      • cdy_parameters: Request parameters.
      • cdy_plugins: Set network plugins.
      • cdy_testJSON: Network testing json string.
      • cdy_testTime: Network test data return time, the default is half a second.
      • cdy_HTTPRequest: Network request method and return a Single sequence object.
    • NetworkX: extension function methods etc.
      • toJSON: to JSON string.
      • toDictionary: JSON string to dictionary.
      • +=: Dictionary concatenation.

MoyaPlugins

This module is mainly based on moya package network related plugins

  • At present, 6 plugins have been packaged for you to use:
    • Cache: Network Data Cache Plugin
    • Loading: Load animation plugin
    • Indicator: Indicator plugin
    • Warning: Network failure prompt plugin
    • Debugging: Network printing, built in plugin
    • GZip: Network data unzip plugin

๐Ÿ  - Simple to use, implement the protocol method in the API protocol, and then add the plugin to it:

var plugins: APIPlugins {
    let cache = NetworkCachePlugin(cacheType: .networkElseCache)
    let loading = NetworkLoadingPlugin.init(delay: 0.5)
    let warning = NetworkWarningPlugin.init()
    warning.changeHud = { (hud) in
        hud.detailsLabel.textColor = UIColor.yellow
    }
    return [loading, cache, warning]
}

HandyJSON

This module is based on HandyJSON package network data parsing

  • Roughly divided into the following 3 parts:
    • HandyDataModel: Network outer data model
    • HandyJSONError: Parse error related
    • RxHandyJSON: HandyJSON data parsing, currently provides two parsing solutions
      • Option 1: Combine HandyDataModel model to parse out data.
      • Option 2: Parse the data of the specified key according to keyPath, the precondition is that the json data source must be in the form of a dictionary.

๐ŸŽท - Example of use in conjunction with the network part:

func request(_ count: Int) -> Driver<[CacheModel]> {
    CacheAPI.cache(count).request()
        .asObservable()
        .mapHandyJSON(HandyDataModel<[CacheModel]>.self)
        .compactMap { $0.data }
        .observe(on: MainScheduler.instance)
        .delay(.seconds(1), scheduler: MainScheduler.instance)
        .asDriver(onErrorJustReturn: [])
}

Usage

Provide some test cases for reference.๐Ÿš

  • OO Example 1:
class OOViewModel: NSObject {
    struct Input {
        let retry: Int
    }
    struct Output {
        let items: Observable<String>
    }

    func transform(input: Input) -> Output {
        return Output(items: input.request())
    }
}

extension OOViewModel.Input {
    func request() -> Observable<String> {
        var api = NetworkAPIOO.init()
        api.cdy_ip = NetworkConfig.baseURL
        api.cdy_path = "/ip"
        api.cdy_method = APIMethod.get
        api.cdy_plugins = [NetworkLoadingPlugin()]
        api.cdy_retry = self.retry

        return api.cdy_HTTPRequest()
            .asObservable()
            .compactMap{ (($0 as! NSDictionary)["origin"] as? String) }
            .catchAndReturn("")
            .observe(on: MainScheduler.instance)
    }
}
  • MVP Example 2:
enum LoadingAPI {
    case test2(String)
}

extension LoadingAPI: NetworkAPI {
    var ip: APIHost {
        return NetworkConfig.baseURL
    }

    var path: String {
        return "/post"
    }

    var parameters: APIParameters? {
        switch self {
        case .test2(let string): return ["key": string]
        }
    }
}


class LoadingViewModel: NSObject {
    let disposeBag = DisposeBag()
    let data = PublishRelay<NSDictionary>()

    /// Configure the loading animation plugin
    let APIProvider: MoyaProvider<MultiTarget> = {
        let configuration = URLSessionConfiguration.default
        configuration.headers = .default
        configuration.timeoutIntervalForRequest = 30
        let session = Moya.Session(configuration: configuration, startRequestsImmediately: false)
        let loading = NetworkLoadingPlugin.init()
        return MoyaProvider<MultiTarget>(session: session, plugins: [loading])
    }()

    func loadData() {
        APIProvider.rx.request(api: LoadingAPI.test2("666"))
            .asObservable()
            .subscribe { [weak self] (event) in
                if let dict = event.element as? NSDictionary {
                    self?.data.accept(dict)
                }
            }.disposed(by: disposeBag)
    }
}
  • MVVM Example 3:
class CacheViewModel: NSObject {
    struct Input {
        let count: Int
    }
    struct Output {
        let items: Observable<[CacheModel]>
    }

    func transform(input: Input) -> Output {
        let items = request(input.count).asObservable()

        return Output(items: items)
    }
}

extension CacheViewModel {

    func request(_ count: Int) -> Observable<[CacheModel]> {
        CacheAPI.cache(count).request()
            .mapHandyJSON(HandyDataModel<[CacheModel]>.self)
            .compactMap { $0.data }
            .observe(on: MainScheduler.instance) // the result is returned on the main thread
            .catchAndReturn([]) // return null on error
    }
}
  • Chain Example 4:
class ChainViewModel: NSObject {
    let disposeBag = DisposeBag()
    let data = PublishRelay<NSDictionary>()

    func chainLoad() {
        requestIP()
            .flatMapLatest(requestData)
            .subscribe(onNext: { [weak self] data in
                self?.data.accept(data)
            }, onError: {
                print("Network Failed: \($0)")
            }).disposed(by: disposeBag)
    }
}

extension ChainViewModel {
    func requestIP() -> Observable<String> {
        return ChainAPI.test.request()
            .asObservable()
            .map { ($0 as! NSDictionary)["origin"] as! String }
            .catchAndReturn("") // Exception thrown
    }

    func requestData(_ ip: String) -> Observable<NSDictionary> {
        return ChainAPI.test2(ip).request()
            .asObservable()
            .map { ($0 as! NSDictionary) }
            .catchAndReturn(["data": "nil"])
    }
}
  • Batch Example 5:
class BatchViewModel: NSObject {
    let disposeBag = DisposeBag()
    let data = PublishRelay<NSDictionary>()

    /// Configure loading animation plugin
    let APIProvider: MoyaProvider<MultiTarget> = {
        let configuration = URLSessionConfiguration.default
        configuration.headers = .default
        configuration.timeoutIntervalForRequest = 30
        let session = Moya.Session(configuration: configuration, startRequestsImmediately: false)
        let loading = NetworkLoadingPlugin.init()
        return MoyaProvider<MultiTarget>(session: session, plugins: [loading])
    }()

    func batchLoad() {
        Observable.zip(
            APIProvider.rx.request(api: BatchAPI.test).asObservable(),
            APIProvider.rx.request(api: BatchAPI.test2("666")).asObservable(),
            APIProvider.rx.request(api: BatchAPI.test3).asObservable()
        ).subscribe(onNext: { [weak self] in
            guard var data1 = $0 as? Dictionary<String, Any>,
                  let data2 = $1 as? Dictionary<String, Any>,
                  let data3 = $2 as? Dictionary<String, Any> else {
                      return
                  }
            data1 += data2
            data1 += data3
            self?.data.accept(data1)
        }, onError: {
            print("Network Failed: \($0)")
        }).disposed(by: disposeBag)
    }
}

CocoaPods

CocoaPods is a dependency manager. For usage and installation instructions, visit their website. To integrate using CocoaPods, specify it in your Podfile:

pod 'RxNetworks'

You should define your minimum deployment target explicitly, like:

platform :ios, '10.0'

If you only want import loading animation plugin:

pod 'RxNetworks/MoyaPlugins/Loading'

Remarks

The general process is almost like this, the Demo is also written in great detail, you can check it out for yourself.๐ŸŽท

RxNetworksDemo

Tip: If you find it helpful, please help me with a star. If you have any questions or needs, you can also issue.

Thanks.๐ŸŽ‡

About the author


License

RxNetworks is available under the [MIT](LICENSE) license. See the [LICENSE](LICENSE) file for more info.



*Note that all licence references and agreements mentioned in the RxNetworks README section above are relevant to that project's source code only.