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Merge pull request #732 from AbhiPwr/delegate_from_ac_to_im_handler
Feature: Delegate from AC Dialog to Intent Requesthandler
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ask-sdk-core/lib/dispatcher/request/handler/DelegateToIntentHandler.ts
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| /* | ||
| * Copyright 2018 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://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * 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. | ||
| */ | ||
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| import { Response, dialog, interfaces, Intent } from 'ask-sdk-model'; | ||
| import { generateSlotsFromApiRequest, getRequestType } from '../../../util/RequestEnvelopeUtils'; | ||
| import { CustomSkillRequestHandler } from './CustomSkillRequestHandler'; | ||
| import { HandlerInput } from './HandlerInput'; | ||
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| import APIInvocationRequest = interfaces.conversations.APIInvocationRequest; | ||
| import APIRequest = interfaces.conversations.APIRequest; | ||
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| const ACDL_AUTOGEN_NAMESPACE:string = "com.amazon.autogenerated"; | ||
| const SPLIT_CHAR:string = "_"; | ||
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| export class DelegateToIntentHandler implements CustomSkillRequestHandler { | ||
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| canHandle(input : HandlerInput) : boolean { | ||
| if (getRequestType(input.requestEnvelope) !== 'Dialog.API.Invoked') { | ||
| return false; | ||
| } | ||
| if (!(input.requestEnvelope.request as APIInvocationRequest).apiRequest | ||
| || !(input.requestEnvelope.request as APIInvocationRequest).apiRequest.name) { | ||
| return false; | ||
| } | ||
| const apiName: string = (input.requestEnvelope.request as APIInvocationRequest).apiRequest.name; | ||
| if (!apiName.startsWith(ACDL_AUTOGEN_NAMESPACE)) { | ||
| return false; | ||
| } | ||
| return true; | ||
| } | ||
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| handle(input: HandlerInput): Response | Promise<Response> { | ||
| const apiRequest:APIRequest = (input.requestEnvelope.request as APIInvocationRequest).apiRequest; | ||
| const apiName: string = apiRequest.name; | ||
| const intentName: string = (apiName.substring(apiName.indexOf(SPLIT_CHAR) + 1)); | ||
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| const directiveType: ('Dialog.DelegateRequest') = "Dialog.DelegateRequest"; | ||
| const delegationTarget: string = "skill"; | ||
| const updatedRequestType: ("Dialog.InputRequest" | "IntentRequest") = "IntentRequest"; | ||
| const delegationPeriod:dialog.DelegationPeriod = { | ||
| until: 'EXPLICIT_RETURN' | ||
| }; | ||
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| const intent:Intent = { | ||
| name: intentName, | ||
| confirmationStatus: 'NONE', | ||
| slots: generateSlotsFromApiRequest(apiRequest) | ||
| }; | ||
| const updatedRequest:dialog.UpdatedRequest = { | ||
| type: updatedRequestType, | ||
| intent | ||
| }; | ||
| const delegateRequestDirective:dialog.DelegateRequestDirective = { | ||
| type: directiveType, | ||
| target: delegationTarget, | ||
| period: delegationPeriod, | ||
| updatedRequest | ||
| }; | ||
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| return input.responseBuilder.addDirective(delegateRequestDirective).getResponse(); | ||
| } | ||
| } |
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