feat(amplify_auth_cognito): resendSignUpCode

packages/amplify_auth_cognito/android/src/main/kotlin/com/amazonaws/amplify/amplify_auth_cognito/AuthCognito.kt

@@ -116,6 +116,7 @@ public class AuthCognito : FlutterPlugin, ActivityAware, MethodCallHandler {
       "resetPassword" -> onResetPassword(result, data)
       "confirmPassword" -> onConfirmPassword(result, data)
       "fetchAuthSession" -> onFetchAuthSession(result, data)
+      "resendSignUpCode" -> onResendSignUpCode(result, data)
       else -> result.notImplemented()
     }
   }
@@ -215,6 +216,23 @@ public class AuthCognito : FlutterPlugin, ActivityAware, MethodCallHandler {
     }
   }
 
+  private fun onResendSignUpCode(@NonNull flutterResult: Result, @NonNull request:  HashMap<String, *>){
+    if (FlutterResendSignUpCodeRequest.validate(request)) {
+      var req = FlutterResendSignUpCodeRequest(request as HashMap<String, *>);
+      try {
+        Amplify.Auth.resendSignUpCode(
+                req.username,
+                { result -> this.mainActivity?.runOnUiThread({ prepareSignUpResult(flutterResult, result) }) },
+                { error -> this.mainActivity?.runOnUiThread({ prepareError(flutterResult, error, FlutterAuthFailureMessage.RESEND_SIGNUP_CODE.toString()) }) }
+        )
+      } catch (e: Exception) {
+        prepareError(flutterResult, e, FlutterAuthFailureMessage.RESEND_SIGNUP_CODE.toString())
+      }
+    }  else {
+      prepareError(flutterResult, java.lang.Exception(FlutterAuthFailureMessage.MALFORMED.toString()), FlutterAuthFailureMessage.MALFORMED.toString())
+    }
+  }
+
   private fun onSignIn (@NonNull flutterResult: Result, @NonNull request: HashMap<String, *>) {
     if (FlutterSignInRequest.validate(request)) {
       var req = FlutterSignInRequest(request as HashMap<String, *>)
@@ -229,7 +247,7 @@ public class AuthCognito : FlutterPlugin, ActivityAware, MethodCallHandler {
         prepareError(flutterResult, e, FlutterAuthFailureMessage.SIGNIN.toString())
       }
     } else {
-      prepareError(flutterResult, java.lang.Exception("Amplify SignIn request is malformed"), FlutterAuthFailureMessage.MALFORMED.toString())
+      prepareError(flutterResult, java.lang.Exception(FlutterAuthFailureMessage.MALFORMED.toString()), FlutterAuthFailureMessage.MALFORMED.toString())
     }
   }
 

packages/amplify_auth_cognito/android/src/main/kotlin/com/amazonaws/amplify/amplify_auth_cognito/types/FlutterAuthErrorMessage.kt

@@ -32,6 +32,11 @@ enum class FlutterAuthFailureMessage {
       return "AMPLIFY_CONFIRM_SIGNUP_FAILED"
     }
   },
+  RESEND_SIGNUP_CODE {
+    override fun toString(): String {
+      return "AMPLIFY_RESEND_SIGNUP_CODE_FAILED"
+    }
+  },
   SIGNIN {
     override fun toString(): String {
       return "AMPLIFY_SIGNIN_FAILED"

packages/amplify_auth_cognito/android/src/main/kotlin/com/amazonaws/amplify/amplify_auth_cognito/types/FlutterResendSignUpCodeRequest.kt

@@ -0,0 +1,33 @@
+/*
+ * Copyright 2020 Amazon.com, Inc. or its affiliates. All Rights Reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License").
+ * You may not use this file except in compliance with the License.
+ * A copy of the License is located at
+ *
+ *  http://aws.amazon.com/apache2.0
+ *
+ * or in the "license" file accompanying this file. This file is distributed
+ * on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
+ * express or implied. See the License for the specific language governing
+ * permissions and limitations under the License.
+ */
+
+package com.amazonaws.amplify.amplify_auth_cognito.types
+
+data class FlutterResendSignUpCodeRequest(val map: HashMap<String, *>) {
+  val username: String = map["username"] as String;
+  val options: HashMap<String, *>? = map["options"] as HashMap<String, *>?;
+
+  companion object {
+    fun validate(req : HashMap<String, *>?): Boolean {
+      var valid: Boolean = true;
+      if (req != null) {
+        if (!req.containsKey("username") && req["username"] != "") {
+          valid = false;
+        }
+      }
+      return valid;
+    }
+  }
+}

packages/amplify_auth_cognito/example/lib/main.dart

@@ -13,7 +13,6 @@
  * permissions and limitations under the License.
  */
 
-import 'dart:convert';
 import 'package:flutter/material.dart';
 import 'package:amplify_auth_cognito/amplify_auth_cognito.dart';
 import 'package:amplify_core/amplify_core.dart';
@@ -280,6 +279,29 @@ class _MyAppState extends State<MyApp> {
     }
   }
 
+  void _resendSignUpCode() async {
+    setState(() {
+      error = "";
+      exceptions = [];
+    });
+    try {
+      ResendSignUpCodeResult res = await Amplify.Auth.resendSignUpCode(
+        request: ResendSignUpCodeRequest(
+          username: usernameController.text.trim(),
+        ), 
+      );
+      print(res);
+    } on AuthError catch (e) {
+      setState(() {
+        error = e.cause;
+        e.exceptionList.forEach((el) {
+          exceptions.add(el.exception);
+        });
+      });
+      print(e);
+    }
+  }
+
   void _confirmReset() async {
     setState(() {
       error = "";
@@ -386,6 +408,11 @@ Widget showConfirmSignUp() {
                 onPressed:_backToSignIn,
                 child: const Text('Back to Sign In'),
               ),
+              const Padding(padding: EdgeInsets.all(10.0)),
+              RaisedButton(
+                onPressed:_resendSignUpCode,
+                child: const Text('ResendCode'),
+              ),
             ],
           ),
         ),

packages/amplify_auth_cognito/ios/Classes/FlutterAuthErrorMessage.swift

@@ -27,6 +27,7 @@ enum FlutterAuthErrorMessage: String {
     case SIGNUP = "AMPLIFY_SIGNUP_FAILED"
     case CHANGE_PASSWORD = "AMPLIFY_CHANGE_PASSWORD_FAILED"
     case RESET_PASSWORD = "AMPLIFY_RESET_PASSWORD_FAILED"
+    case RESEND_SIGNUP = "AMPLIFY_RESEND_SIGNUP_CODE_FAILED"
     case CONFIRM_PASSWORD = "AMPLIFY_CONFIRM_PASSWORD_FAILED"
     case FETCH_SESSION = "AMPLIFY_FETCH_SESSION_FAILED"
 }

packages/amplify_auth_cognito/ios/Classes/FlutterResendSignUpCodeRequest.swift

@@ -0,0 +1,29 @@
+/*
+ * Copyright 2020 Amazon.com, Inc. or its affiliates. All Rights Reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License").
+ * You may not use this file except in compliance with the License.
+ * A copy of the License is located at
+ *
+ *  http://aws.amazon.com/apache2.0
+ *
+ * or in the "license" file accompanying this file. This file is distributed
+ * on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
+ * express or implied. See the License for the specific language governing
+ * permissions and limitations under the License.
+ */
+
+import Foundation
+struct FlutterResendSignUpCodeRequest {
+  var username: String
+  init(dict: NSMutableDictionary){
+    self.username = dict["username"] as! String
+  }
+  static func validate(dict: NSMutableDictionary) -> Bool {
+    var valid: Bool = true;
+    if (dict["username"] == nil) {
+      valid = false;
+    }
+    return valid;
+  }
+}

packages/amplify_auth_cognito/ios/Classes/FlutterResendSignUpCodeResult.swift

@@ -0,0 +1,62 @@
+/*
+ * Copyright 2020 Amazon.com, Inc. or its affiliates. All Rights Reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License").
+ * You may not use this file except in compliance with the License.
+ * A copy of the License is located at
+ *
+ *  http://aws.amazon.com/apache2.0
+ *
+ * or in the "license" file accompanying this file. This file is distributed
+ * on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
+ * express or implied. See the License for the specific language governing
+ * permissions and limitations under the License.
+ */
+
+import Flutter
+import Foundation
+import Amplify
+
+struct FlutterResendSignUpCodeResult  {
+    var codeDeliveryDetails: [String: String]
+
+    init(res: AmplifyOperation<AuthResendSignUpCodeRequest, AuthCodeDeliveryDetails, AuthError>.OperationResult){
+      self.codeDeliveryDetails = setCodeDeliveryDetails(res: res)
+    }
+
+    func toJSON() -> Dictionary<String, Any> {
+      return ["codeDeliveryDetails": self.codeDeliveryDetails]
+    }
+}
+
+
+func setCodeDeliveryDetails(res: AmplifyOperation<AuthResendSignUpCodeRequest, AuthCodeDeliveryDetails, AuthError>.OperationResult) -> [String: String] {
+    var deliveryMap: [String: String] = [:]
+    switch res {
+        case .success(let codeDeliveryDetails):
+            if case let .email(e) = codeDeliveryDetails.destination {
+              deliveryMap["destination"] = e! as String
+              deliveryMap["attributeName"] = "email"
+              deliveryMap["deliveryMedium"] = "EMAIL"
+            }
+
+            if case let .phone(e) = codeDeliveryDetails.destination {
+              deliveryMap["destination"] = e! as String
+              deliveryMap["attributeName"] = "phone"
+            }
+
+            if case let .sms(e) = codeDeliveryDetails.destination {
+              deliveryMap["destination"] = e! as String
+              deliveryMap["attributeName"] = "sms"
+              deliveryMap["deliveryMedium"] = "SMS"
+            }
+
+            if case let .unknown(e) = codeDeliveryDetails.destination {
+              deliveryMap["destination"] = e! as String
+              deliveryMap["attributeName"] = "unknown"
+            }
+        case .failure:
+            deliveryMap = [:]
+    }
+    return deliveryMap
+}

packages/amplify_auth_cognito/ios/Classes/FlutterSignUpResult.swift

@@ -59,26 +59,26 @@ func setCodeDeliveryDetails(res: AmplifyOperation<AuthSignUpRequest, AuthSignUpR
         case .success(let signUpResult):
           if case let .confirmUser(deliveryDetails, _) = signUpResult.nextStep {
             if case let .email(e) = deliveryDetails?.destination {
-                  deliveryMap["destination"] = e! as String
-                  deliveryMap["attributeName"] = "email"
-                  deliveryMap["deliveryMedium"] = "EMAIL"
-                }
+              deliveryMap["destination"] = e! as String
+              deliveryMap["attributeName"] = "email"
+              deliveryMap["deliveryMedium"] = "EMAIL"
+            }
 
-                if case let .phone(e) = deliveryDetails?.destination {
-                  deliveryMap["destination"] = e! as String
-                  deliveryMap["attributeName"] = "phone"
-                }
+            if case let .phone(e) = deliveryDetails?.destination {
+              deliveryMap["destination"] = e! as String
+              deliveryMap["attributeName"] = "phone"
+            }
 
-                if case let .sms(e) = deliveryDetails?.destination {
-                  deliveryMap["destination"] = e! as String
-                  deliveryMap["attributeName"] = "sms"
-                  deliveryMap["deliveryMedium"] = "SMS"
-                }
+            if case let .sms(e) = deliveryDetails?.destination {
+              deliveryMap["destination"] = e! as String
+              deliveryMap["attributeName"] = "sms"
+              deliveryMap["deliveryMedium"] = "SMS"
+            }
 
-                if case let .unknown(e) = deliveryDetails?.destination {
-                  deliveryMap["destination"] = e! as String
-                  deliveryMap["attributeName"] = "unknown"
-                }
+            if case let .unknown(e) = deliveryDetails?.destination {
+              deliveryMap["destination"] = e! as String
+              deliveryMap["attributeName"] = "unknown"
+            }
           }
         case .failure:
             deliveryMap = [:]

packages/amplify_auth_cognito/ios/Classes/SwiftAuthCognito.swift

@@ -95,23 +95,31 @@ public class SwiftAuthCognito: NSObject, FlutterPlugin, FlutterStreamHandler {
         }
       case "confirmSignUp":
         if (FlutterConfirmSignUpRequest.validate(dict: data)) {
-          let  request = FlutterConfirmSignUpRequest(dict: data)
+          let request = FlutterConfirmSignUpRequest(dict: data)
           onConfirmSignUp(flutterResult: result, request: request)
         } else {
           let errorCode = "UNKNOWN"
             self.prepareError(flutterResult: result,  msg: FlutterAuthErrorMessage.MALFORMED.rawValue, errorMap: self.formatErrorMap(errorCode: errorCode))
         }
+       case "resendSignUpCode":
+          if (FlutterResendSignUpCodeRequest.validate(dict: data)) {
+            let request = FlutterResendSignUpCodeRequest(dict: data)
+            onResendSignUpCode(flutterResult: result, request: request)
+          } else {
+            let errorCode = "UNKNOWN"
+              self.prepareError(flutterResult: result,  msg: FlutterAuthErrorMessage.MALFORMED.rawValue, errorMap: self.formatErrorMap(errorCode: errorCode))
+          }
       case "signIn":
         if (FlutterSignInRequest.validate(dict: data)) {
-          let  request = FlutterSignInRequest(dict: data)
+          let request = FlutterSignInRequest(dict: data)
           onSignIn(flutterResult: result, request: request)
         } else {
           let errorCode = "UNKNOWN"
             self.prepareError(flutterResult: result,  msg: FlutterAuthErrorMessage.MALFORMED.rawValue, errorMap: self.formatErrorMap(errorCode: errorCode))
         }
       case "confirmSignIn":
         if (FlutterConfirmSignInRequest.validate(dict: data)) {
-          let  request = FlutterConfirmSignInRequest(dict: data)
+          let request = FlutterConfirmSignInRequest(dict: data)
           onConfirmSignIn(flutterResult: result, request: request)
         } else {
           let errorCode = "UNKNOWN"
@@ -178,18 +186,31 @@ public class SwiftAuthCognito: NSObject, FlutterPlugin, FlutterStreamHandler {
       }
     }
   }
+
 
-  private func onSignIn(flutterResult: @escaping FlutterResult, request: FlutterSignInRequest) {
-      _ = Amplify.Auth.signIn(username: request.username, password:request.password) { response in
-        switch response {
+  private func onResendSignUpCode(flutterResult: @escaping FlutterResult, request: FlutterResendSignUpCodeRequest) {
+    _ = Amplify.Auth.resendSignUpCode(for: request.username) { response in
+      switch response {
           case .success:
-          let signInData = FlutterSignInResult(res: response)
-          flutterResult(signInData.toJSON())
+            let resendData = FlutterResendSignUpCodeResult(res: response)
+            flutterResult(resendData.toJSON())
+          case .failure(let signUpError):
+            self.handleAuthError(error: signUpError, flutterResult: flutterResult, msg: FlutterAuthErrorMessage.RESEND_SIGNUP.rawValue)
+      }
+    }
+  }
 
+
+  private func onSignIn(flutterResult: @escaping FlutterResult, request: FlutterSignInRequest) {
+    _ = Amplify.Auth.signIn(username: request.username, password:request.password) { response in
+      switch response {
+        case .success:
+        let signInData = FlutterSignInResult(res: response)
+        flutterResult(signInData.toJSON())
           case .failure(let signInError):
           self.handleAuthError(error: signInError, flutterResult: flutterResult, msg: FlutterAuthErrorMessage.SIGNIN.rawValue)
         }
-      }
+     }
   }
 
   private func onConfirmSignIn(flutterResult: @escaping FlutterResult, request: FlutterConfirmSignInRequest) {

packages/amplify_auth_cognito/lib/amplify_auth_cognito.dart

@@ -51,6 +51,11 @@ class AmplifyAuthCognito extends AuthPluginInterface {
     return res;
   }
 
+  Future<ResendSignUpCodeResult> resendSignUpCode({@required ResendSignUpCodeRequest request}) async {
+    var res = await _instance.resendSignUpCode(request: request);
+    return res;
+  }  
+
   Future<SignInResult> signIn({@required SignInRequest request}) async {
     var res = await _instance.signIn(request: request);
     return res;