more work on swift client

Author: matryer

.gitignore

@@ -15,3 +15,4 @@
 oto
 .DS_Store
 dist
+example/swift/SwiftCLIExample/SwiftCLIExample.xcodeproj/project.xcworkspace/xcuserdata/matryer.xcuserdatad/UserInterfaceState.xcuserstate

example/swift/SwiftCLIExample/SwiftCLIExample.xcodeproj/project.pbxproj

@@ -8,7 +8,6 @@
 
 /* Begin PBXBuildFile section */
 		0536E5D225222EB200E82696 /* main.swift in Sources */ = {isa = PBXBuildFile; fileRef = 0536E5D125222EB200E82696 /* main.swift */; };
-		0536E5DA25222F1F00E82696 /* Client.swift.plush in Sources */ = {isa = PBXBuildFile; fileRef = 0536E5D925222F1F00E82696 /* Client.swift.plush */; };
 /* End PBXBuildFile section */
 
 /* Begin PBXCopyFilesBuildPhase section */
@@ -26,7 +25,6 @@
 /* Begin PBXFileReference section */
 		0536E5CE25222EB200E82696 /* SwiftCLIExample */ = {isa = PBXFileReference; explicitFileType = "compiled.mach-o.executable"; includeInIndex = 0; path = SwiftCLIExample; sourceTree = BUILT_PRODUCTS_DIR; };
 		0536E5D125222EB200E82696 /* main.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = main.swift; sourceTree = "<group>"; };
-		0536E5D925222F1F00E82696 /* Client.swift.plush */ = {isa = PBXFileReference; lastKnownFileType = text; path = Client.swift.plush; sourceTree = "<group>"; };
 /* End PBXFileReference section */
 
 /* Begin PBXFrameworksBuildPhase section */
@@ -60,7 +58,6 @@
 			isa = PBXGroup;
 			children = (
 				0536E5D125222EB200E82696 /* main.swift */,
-				0536E5D925222F1F00E82696 /* Client.swift.plush */,
 			);
 			path = SwiftCLIExample;
 			sourceTree = "<group>";
@@ -123,7 +120,6 @@
 			buildActionMask = 2147483647;
 			files = (
 				0536E5D225222EB200E82696 /* main.swift in Sources */,
-				0536E5DA25222F1F00E82696 /* Client.swift.plush in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};

example/swift/SwiftCLIExample/SwiftCLIExample.xcodeproj/project.xcworkspace/xcuserdata/matryer.xcuserdatad/UserInterfaceState.xcuserstate

@@ -10,36 +10,63 @@ import Foundation
 let client = OtoClient(withEndpoint: "http://localhost:8080/oto")
 let service = MyService(withClient: client)
 
-let resp = service.doSomething(request: DoSomethingRequest(
+service.doSomething(withRequest: DoSomethingRequest(
     name: "Mat"
-))
-print(resp.greeting)
+)) { (response, err) -> () in
+    print("done")
+}
 
 class OtoClient {
     var endpoint: String
     init(withEndpoint url: String) {
         self.endpoint = url
     }
-    
 }
 
 class MyService {
     var client: OtoClient
     init(withClient client: OtoClient) {
         self.client = client
     }
-    func doSomething(request: DoSomethingRequest) -> DoSomethingResponse {
-        let resp = DoSomethingResponse(
-            greeting: "Hi \(request.name)"
-        )
-        return resp
+    func doSomething(withRequest doSomethingRequest: DoSomethingRequest, completion: (_ response: DoSomethingResponse?, _ error: Error?) -> ()) {
+        //var request = URLRequest(url: URL(string: "\(self.client.endpoint)/MyService/MyMethod")!)
+        // https://jsonplaceholder.typicode.com/todos/1
+        var request = URLRequest(url: URL(string: "https://jsonplaceholder.typicode.com/todos/1")!)
+        
+        request.httpMethod = "POST"
+        request.addValue("application/json; charset=utf-8", forHTTPHeaderField: "Content-Type")
+        request.addValue("application/json; charset=utf-8", forHTTPHeaderField: "Accept")
+        var jsonData: Data
+        do {
+            jsonData = try JSONEncoder().encode(doSomethingRequest)
+        } catch let jsonEncodeErr {
+            print("TODO: handle JSON encode error: \(jsonEncodeErr)")
+            return
+        }
+        request.httpBody = jsonData
+        let session = URLSession(configuration: URLSessionConfiguration.default)
+        let task = session.dataTask(with: request) { (data, response, error) in
+            if let err = error {
+                print("TODO: handle response error: \(err)")
+                return
+            }
+            var doSomethingResponse: DoSomethingResponse
+            do {
+                doSomethingResponse = try JSONDecoder().decode(DoSomethingResponse.self, from: data!)
+            } catch let err {
+                print("TODO: handle JSON decode error: \(err)")
+                return
+            }
+            print("\(doSomethingResponse)")
+        }
+        task.resume()
     }
 }
 
-struct DoSomethingRequest {
+struct DoSomethingRequest: Encodable {
     var name: String = ""
 }
 
-struct DoSomethingResponse {
+struct DoSomethingResponse: Decodable {
     var greeting: String = ""
 }