
swift4.AlamofireImplementations.mustache Maven / Gradle / Ivy
// AlamofireImplementations.swift
//
// Generated by swagger-codegen
// https://github.com/swagger-api/swagger-codegen
//
import Foundation
import Alamofire
class AlamofireRequestBuilderFactory: RequestBuilderFactory {
func getNonDecodableBuilder() -> RequestBuilder.Type {
return AlamofireRequestBuilder.self
}
func getBuilder() -> RequestBuilder.Type {
return AlamofireDecodableRequestBuilder.self
}
}
// Store manager to retain its reference
private var managerStore: [String: Alamofire.SessionManager] = [:]
open class AlamofireRequestBuilder: RequestBuilder {
required public init(method: String, URLString: String, parameters: [String : Any]?, isBody: Bool, headers: [String : String] = [:]) {
super.init(method: method, URLString: URLString, parameters: parameters, isBody: isBody, headers: headers)
}
/**
May be overridden by a subclass if you want to control the session
configuration.
*/
open func createSessionManager() -> Alamofire.SessionManager {
let configuration = URLSessionConfiguration.default
configuration.httpAdditionalHeaders = buildHeaders()
return Alamofire.SessionManager(configuration: configuration)
}
/**
May be overridden by a subclass if you want to control the Content-Type
that is given to an uploaded form part.
Return nil to use the default behavior (inferring the Content-Type from
the file extension). Return the desired Content-Type otherwise.
*/
open func contentTypeForFormPart(fileURL: URL) -> String? {
return nil
}
/**
May be overridden by a subclass if you want to control the request
configuration (e.g. to override the cache policy).
*/
open func makeRequest(manager: SessionManager, method: HTTPMethod, encoding: ParameterEncoding, headers: [String:String]) -> DataRequest {
return manager.request(URLString, method: method, parameters: parameters, encoding: encoding, headers: headers)
}
override open func execute(_ completion: @escaping (_ response: Response?, _ error: Error?) -> Void) {
let managerId:String = UUID().uuidString
// Create a new manager for each request to customize its request header
let manager = createSessionManager()
managerStore[managerId] = manager
let encoding:ParameterEncoding = isBody ? JSONDataEncoding() : URLEncoding()
let xMethod = Alamofire.HTTPMethod(rawValue: method)
let fileKeys = parameters == nil ? [] : parameters!.filter { $1 is NSURL }
.map { $0.0 }
if fileKeys.count > 0 {
manager.upload(multipartFormData: { mpForm in
for (k, v) in self.parameters! {
switch v {
case let fileURL as URL:
if let mimeType = self.contentTypeForFormPart(fileURL: fileURL) {
mpForm.append(fileURL, withName: k, fileName: fileURL.lastPathComponent, mimeType: mimeType)
}
else {
mpForm.append(fileURL, withName: k)
}
break
case let string as String:
mpForm.append(string.data(using: String.Encoding.utf8)!, withName: k)
break
case let number as NSNumber:
mpForm.append(number.stringValue.data(using: String.Encoding.utf8)!, withName: k)
break
default:
fatalError("Unprocessable value \(v) with key \(k)")
break
}
}
}, to: URLString, method: xMethod!, headers: nil, encodingCompletion: { encodingResult in
switch encodingResult {
case .success(let upload, _, _):
if let onProgressReady = self.onProgressReady {
onProgressReady(upload.uploadProgress)
}
self.processRequest(request: upload, managerId, completion)
case .failure(let encodingError):
completion(nil, ErrorResponse.Error(415, nil, encodingError))
}
})
} else {
let request = makeRequest(manager: manager, method: xMethod!, encoding: encoding, headers: headers)
if let onProgressReady = self.onProgressReady {
onProgressReady(request.progress)
}
processRequest(request: request, managerId, completion)
}
}
fileprivate func processRequest(request: DataRequest, _ managerId: String, _ completion: @escaping (_ response: Response?, _ error: Error?) -> Void) {
if let credential = self.credential {
request.authenticate(usingCredential: credential)
}
let cleanupRequest = {
_ = managerStore.removeValue(forKey: managerId)
}
let validatedRequest = request.validate()
switch T.self {
case is String.Type:
validatedRequest.responseString(completionHandler: { (stringResponse) in
cleanupRequest()
if stringResponse.result.isFailure {
completion(
nil,
ErrorResponse.Error(stringResponse.response?.statusCode ?? 500, stringResponse.data, stringResponse.result.error as Error!)
)
return
}
completion(
Response(
response: stringResponse.response!,
body: ((stringResponse.result.value ?? "") as! T)
),
nil
)
})
case is Void.Type:
validatedRequest.responseData(completionHandler: { (voidResponse) in
cleanupRequest()
if voidResponse.result.isFailure {
completion(
nil,
ErrorResponse.Error(voidResponse.response?.statusCode ?? 500, voidResponse.data, voidResponse.result.error!)
)
return
}
completion(
Response(
response: voidResponse.response!,
body: nil),
nil
)
})
default:
validatedRequest.responseData(completionHandler: { (dataResponse) in
cleanupRequest()
if (dataResponse.result.isFailure) {
completion(
nil,
ErrorResponse.Error(dataResponse.response?.statusCode ?? 500, dataResponse.data, dataResponse.result.error!)
)
return
}
completion(
Response(
response: dataResponse.response!,
body: (dataResponse.data as! T)
),
nil
)
})
}
}
open func buildHeaders() -> [String: String] {
var httpHeaders = SessionManager.defaultHTTPHeaders
for (key, value) in self.headers {
httpHeaders[key] = value
}
return httpHeaders
}
}
public enum AlamofireDecodableRequestBuilderError: Error {
case emptyDataResponse
case nilHTTPResponse
case jsonDecoding(DecodingError)
case generalError(Error)
}
open class AlamofireDecodableRequestBuilder: AlamofireRequestBuilder {
override fileprivate func processRequest(request: DataRequest, _ managerId: String, _ completion: @escaping (_ response: Response?, _ error: Error?) -> Void) {
if let credential = self.credential {
request.authenticate(usingCredential: credential)
}
let cleanupRequest = {
_ = managerStore.removeValue(forKey: managerId)
}
let validatedRequest = request.validate()
switch T.self {
case is String.Type:
validatedRequest.responseString(completionHandler: { (stringResponse) in
cleanupRequest()
if stringResponse.result.isFailure {
completion(
nil,
ErrorResponse.Error(stringResponse.response?.statusCode ?? 500, stringResponse.data, stringResponse.result.error as Error!)
)
return
}
completion(
Response(
response: stringResponse.response!,
body: ((stringResponse.result.value ?? "") as! T)
),
nil
)
})
case is Void.Type:
validatedRequest.responseData(completionHandler: { (voidResponse) in
cleanupRequest()
if voidResponse.result.isFailure {
completion(
nil,
ErrorResponse.Error(voidResponse.response?.statusCode ?? 500, voidResponse.data, voidResponse.result.error!)
)
return
}
completion(
Response(
response: voidResponse.response!,
body: nil),
nil
)
})
case is Data.Type:
validatedRequest.responseData(completionHandler: { (dataResponse) in
cleanupRequest()
if (dataResponse.result.isFailure) {
completion(
nil,
ErrorResponse.Error(dataResponse.response?.statusCode ?? 500, dataResponse.data, dataResponse.result.error!)
)
return
}
completion(
Response(
response: dataResponse.response!,
body: (dataResponse.data as! T)
),
nil
)
})
default:
validatedRequest.responseData(completionHandler: { (dataResponse: DataResponse) in
cleanupRequest()
guard dataResponse.result.isSuccess else {
completion(nil, ErrorResponse.Error(dataResponse.response?.statusCode ?? 500, dataResponse.data, dataResponse.result.error!))
return
}
guard let data = dataResponse.data, !data.isEmpty else {
completion(nil, ErrorResponse.Error(-1, nil, AlamofireDecodableRequestBuilderError.emptyDataResponse))
return
}
guard let httpResponse = dataResponse.response else {
completion(nil, ErrorResponse.Error(-2, nil, AlamofireDecodableRequestBuilderError.nilHTTPResponse))
return
}
var responseObj: Response? = nil
let decodeResult: (decodableObj: T?, error: Error?) = CodableHelper.decode(T.self, from: data)
if decodeResult.error == nil {
responseObj = Response(response: httpResponse, body: decodeResult.decodableObj)
}
completion(responseObj, decodeResult.error)
})
}
}
}
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