Updates the Swift4 templates to address the warnings produced by the Swift 4.2 compiler

modules/openapi-generator/src/main/resources/swift4/APIs.mustache

@@ -7,10 +7,10 @@
 import Foundation
 
 open class {{projectName}}API {
-    open static var basePath = "{{{basePath}}}"
-    open static var credential: URLCredential?
-    open static var customHeaders: [String:String] = [:]
-    open static var requestBuilderFactory: RequestBuilderFactory = AlamofireRequestBuilderFactory()
+    public static var basePath = "{{{basePath}}}"
+    public static var credential: URLCredential?
+    public static var customHeaders: [String:String] = [:]
+    public static var requestBuilderFactory: RequestBuilderFactory = AlamofireRequestBuilderFactory()
 }
 
 open class RequestBuilder<T> {

modules/openapi-generator/src/main/resources/swift4/AlamofireImplementations.mustache

@@ -154,7 +154,7 @@ open class AlamofireRequestBuilder<T>: RequestBuilder<T> {
                 if stringResponse.result.isFailure {
                     completion(
                         nil,
-                        ErrorResponse.error(stringResponse.response?.statusCode ?? 500, stringResponse.data, stringResponse.result.error as Error!)
+                        ErrorResponse.error(stringResponse.response?.statusCode ?? 500, stringResponse.data, stringResponse.result.error!)
                     )
                     return
                 }
@@ -356,7 +356,7 @@ open class AlamofireDecodableRequestBuilder<T:Decodable>: AlamofireRequestBuilde
                 if stringResponse.result.isFailure {
                     completion(
                         nil,
-                        ErrorResponse.error(stringResponse.response?.statusCode ?? 500, stringResponse.data, stringResponse.result.error as Error!)
+                        ErrorResponse.error(stringResponse.response?.statusCode ?? 500, stringResponse.data, stringResponse.result.error!)
                     )
                     return
                 }

modules/openapi-generator/src/main/resources/swift4/CodableHelper.mustache

@@ -11,7 +11,7 @@ public typealias EncodeResult = (data: Data?, error: Error?)
 
 open class CodableHelper {
 
-    open static var dateformatter: DateFormatter?
+    public static var dateformatter: DateFormatter?
 
     open class func decode<T>(_ type: T.Type, from data: Data) -> (decodableObj: T?, error: Error?) where T : Decodable {
         var returnedDecodable: T? = nil

modules/openapi-generator/src/main/resources/swift4/Configuration.mustache

@@ -10,6 +10,6 @@ open class Configuration {
 
 	// This value is used to configure the date formatter that is used to serialize dates into JSON format. 
 	// You must set it prior to encoding any dates, and it will only be read once. 
-    open static var dateFormat = "yyyy-MM-dd'T'HH:mm:ss.SSSZZZZZ"
+    public static var dateFormat = "yyyy-MM-dd'T'HH:mm:ss.SSSZZZZZ"
 
 }

modules/openapi-generator/src/main/resources/swift4/Models.mustache

@@ -15,9 +15,9 @@ public enum ErrorResponse : Error {
 }
 
 open class Response<T> {
-    open let statusCode: Int
-    open let header: [String: String]
-    open let body: T?
+    public let statusCode: Int
+    public let header: [String: String]
+    public let body: T?
 
     public init(statusCode: Int, header: [String: String], body: T?) {
         self.statusCode = statusCode

samples/client/petstore/swift4/default/.openapi-generator/VERSION

@@ -1 +1 @@
-3.3.0-SNAPSHOT
+3.3.3-SNAPSHOT

samples/client/petstore/swift4/default/PetstoreClient/Classes/OpenAPIs/APIHelper.swift

@@ -7,8 +7,8 @@
 import Foundation
 
 public struct APIHelper {
-    public static func rejectNil(_ source: [String: Any?]) -> [String: Any]? {
-        let destination = source.reduce(into: [String: Any]()) { result, item in
+    public static func rejectNil(_ source: [String:Any?]) -> [String:Any]? {
+        let destination = source.reduce(into: [String: Any]()) { (result, item) in
             if let value = item.value {
                 result[item.key] = value
             }
@@ -20,22 +20,22 @@ public struct APIHelper {
         return destination
     }
 
-    public static func rejectNilHeaders(_ source: [String: Any?]) -> [String: String] {
-        return source.reduce(into: [String: String]()) { result, item in
+    public static func rejectNilHeaders(_ source: [String:Any?]) -> [String:String] {
+        return source.reduce(into: [String: String]()) { (result, item) in
             if let collection = item.value as? Array<Any?> {
-                result[item.key] = collection.filter({ $0 != nil }).map { "\($0!)" }.joined(separator: ",")
+                result[item.key] = collection.filter({ $0 != nil }).map{ "\($0!)" }.joined(separator: ",")
             } else if let value: Any = item.value {
                 result[item.key] = "\(value)"
             }
         }
     }
 
-    public static func convertBoolToString(_ source: [String: Any]?) -> [String: Any]? {
+    public static func convertBoolToString(_ source: [String: Any]?) -> [String:Any]? {
         guard let source = source else {
             return nil
         }
 
-        return source.reduce(into: [String: Any](), { result, item in
+        return source.reduce(into: [String: Any](), { (result, item) in
             switch item.value {
             case let x as Bool:
                 result[item.key] = x.description
@@ -45,10 +45,11 @@ public struct APIHelper {
         })
     }
 
-    public static func mapValuesToQueryItems(_ source: [String: Any?]) -> [URLQueryItem]? {
-        let destination = source.filter({ $0.value != nil }).reduce(into: [URLQueryItem]()) { result, item in
+
+    public static func mapValuesToQueryItems(_ source: [String:Any?]) -> [URLQueryItem]? {
+        let destination = source.filter({ $0.value != nil}).reduce(into: [URLQueryItem]()) { (result, item) in
             if let collection = item.value as? Array<Any?> {
-                let value = collection.filter({ $0 != nil }).map({ "\($0!)" }).joined(separator: ",")
+                let value = collection.filter({ $0 != nil }).map({"\($0!)"}).joined(separator: ",")
                 result.append(URLQueryItem(name: item.key, value: value))
             } else if let value = item.value {
                 result.append(URLQueryItem(name: item.key, value: "\(value)"))
@@ -61,3 +62,4 @@ public struct APIHelper {
         return destination
     }
 }
+

samples/client/petstore/swift4/default/PetstoreClient/Classes/OpenAPIs/APIs.swift

@@ -7,24 +7,24 @@
 import Foundation
 
 open class PetstoreClientAPI {
-    open static var basePath = "http://petstore.swagger.io:80/v2"
-    open static var credential: URLCredential?
-    open static var customHeaders: [String: String] = [:]
-    open static var requestBuilderFactory: RequestBuilderFactory = AlamofireRequestBuilderFactory()
+    public static var basePath = "http://petstore.swagger.io:80/v2"
+    public static var credential: URLCredential?
+    public static var customHeaders: [String:String] = [:]
+    public static var requestBuilderFactory: RequestBuilderFactory = AlamofireRequestBuilderFactory()
 }
 
 open class RequestBuilder<T> {
     var credential: URLCredential?
-    var headers: [String: String]
-    public let parameters: [String: Any]?
+    var headers: [String:String]
+    public let parameters: [String:Any]?
     public let isBody: Bool
     public let method: String
     public let URLString: String
 
     /// Optional block to obtain a reference to the request's progress instance when available.
-    public var onProgressReady: ((Progress) -> Void)?
+    public var onProgressReady: ((Progress) -> ())?
 
-    public required init(method: String, URLString: String, parameters: [String: Any]?, isBody: Bool, headers: [String: String] = [:]) {
+    required public init(method: String, URLString: String, parameters: [String:Any]?, isBody: Bool, headers: [String:String] = [:]) {
         self.method = method
         self.URLString = URLString
         self.parameters = parameters
@@ -34,13 +34,13 @@ open class RequestBuilder<T> {
         addHeaders(PetstoreClientAPI.customHeaders)
     }
 
-    open func addHeaders(_ aHeaders: [String: String]) {
+    open func addHeaders(_ aHeaders:[String:String]) {
         for (header, value) in aHeaders {
             headers[header] = value
         }
     }
 
-    open func execute(_: @escaping (_ response: Response<T>?, _ error: Error?) -> Void) {}
+    open func execute(_ completion: @escaping (_ response: Response<T>?, _ error: Error?) -> Void) { }
 
     public func addHeader(name: String, value: String) -> Self {
         if !value.isEmpty {
@@ -50,12 +50,12 @@ open class RequestBuilder<T> {
     }
 
     open func addCredential() -> Self {
-        credential = PetstoreClientAPI.credential
+        self.credential = PetstoreClientAPI.credential
         return self
     }
 }
 
 public protocol RequestBuilderFactory {
     func getNonDecodableBuilder<T>() -> RequestBuilder<T>.Type
-    func getBuilder<T: Decodable>() -> RequestBuilder<T>.Type
+    func getBuilder<T:Decodable>() -> RequestBuilder<T>.Type
 }

samples/client/petstore/swift4/default/PetstoreClient/Classes/OpenAPIs/APIs/AnotherFakeAPI.swift

@@ -5,28 +5,31 @@
 // https://openapi-generator.tech
 //
 
-import Alamofire
 import Foundation
+import Alamofire
+
+
 
 open class AnotherFakeAPI {
     /**
      To test special tags
-
-     - parameter client: (body) client model
+     
+     - parameter client: (body) client model 
      - parameter completion: completion handler to receive the data and the error objects
      */
-    open class func call123testSpecialTags(client: Client, completion: @escaping ((_ data: Client?, _ error: Error?) -> Void)) {
+    open class func call123testSpecialTags(client: Client, completion: @escaping ((_ data: Client?,_ error: Error?) -> Void)) {
         call123testSpecialTagsWithRequestBuilder(client: client).execute { (response, error) -> Void in
             completion(response?.body, error)
         }
     }
 
+
     /**
      To test special tags
      - PATCH /another-fake/dummy
      - To test special tags and operation ID starting with number
-     - parameter client: (body) client model
-     - returns: RequestBuilder<Client>
+     - parameter client: (body) client model 
+     - returns: RequestBuilder<Client> 
      */
     open class func call123testSpecialTagsWithRequestBuilder(client: Client) -> RequestBuilder<Client> {
         let path = "/another-fake/dummy"
@@ -39,4 +42,5 @@ open class AnotherFakeAPI {
 
         return requestBuilder.init(method: "PATCH", URLString: (url?.string ?? URLString), parameters: parameters, isBody: true)
     }
+
 }