├── bin
│   └── 〇〇-cdk.ts
├── lambda
│   ├── node_modeules
│   ├── package.json
│   ├── package-lock.json
│   └── search.js
├── lib
│   └── 〇〇-stack.ts
├── node_modeules
├── README.md
├── package-lock.json
├── package.json
└── tsconfig.json

exports.handler=(event,context,callback)=>{constrequest=require('request');constauthOptions={url:'https://accounts.spotify.com/api/token',headers:{'Authorization':'Basic '+process.env.ACCESS_TOKEN},form:{grant_type:'client_credentials'},json:true};request.post(authOptions,function(error,response,body){if(error){console.log('POST Error: '+error.message);return;}consttoken=body.access_token;constartist=event.text.slice(5);constencoded=encodeURIComponent(artist);constoptions={url:'https://api.spotify.com/v1/search?q='+encoded+'&type=artist&market=JP&limit=1&offset=0',headers:{'Authorization':'Bearer '+token},json:true};request.get(options,function(error,response,body){letres={};if(error){console.log('GET Error: '+error.message);res.text='検索に失敗しました。ごめんなさい！';callback(null,res);}else{res.text=body.artists.items[0].external_urls.spotify;callback(null,res);}});});};

importcdk=require('@aws-cdk/core');importlambda=require('@aws-cdk/aws-lambda');import{Duration}from'@aws-cdk/core';exportclassPurivisualSearchCdkStackextendscdk.Stack{constructor(scope:cdk.Construct,id:string,props?:cdk.StackProps){super(scope,id,props);// lambdaconstsearch=newlambda.Function(this,'SearchHandler',{runtime:lambda.Runtime.NODEJS_10_X,code:lambda.Code.fromAsset('lambda'),handler:'search.handler',timeout:Duration.minutes(1),environment:{"ACCESS_TOKEN":"< your access token >"}});}}

echo -n < Client Id >:< Client Secret > | base64

importcdk=require('@aws-cdk/core');importlambda=require('@aws-cdk/aws-lambda');importapigw=require('@aws-cdk/aws-apigateway');import{Duration}from'@aws-cdk/core';exportclassPurivisualSearchCdkStackextendscdk.Stack{constructor(scope:cdk.Construct,id:string,props?:cdk.StackProps){super(scope,id,props);// lambdaconstsearch=newlambda.Function(this,'SearchHandler',{runtime:lambda.Runtime.NODEJS_10_X,code:lambda.Code.fromAsset('lambda'),handler:'search.handler',timeout:Duration.minutes(1),environment:{"ACCESS_TOKEN":"< your accsess token >"}});// api gatewayconstapi=newapigw.LambdaRestApi(this,'PurivisualSearchApi',{handler:search,proxy:false});// リソースの作成constpostResouse=api.root.addResource("serach")constresponseModel=api.addModel('ResponseModel',{contentType:'application/json',modelName:'ResponseModel',schema:{}});consttemplate:string='## convert HTML POST data or HTTP GET query string to JSON\n'+'\n'+'## get the raw post data from the AWS built-in variable and give it a nicer name\n'+'#if ($context.httpMethod == "POST")\n'+' #set($rawAPIData = $input.path(\'$\'))\n'+'#elseif ($context.httpMethod == "GET")\n'+' #set($rawAPIData = $input.params().querystring)\n'+' #set($rawAPIData = $rawAPIData.toString())\n'+' #set($rawAPIDataLength = $rawAPIData.length() - 1)\n'+' #set($rawAPIData = $rawAPIData.substring(1, $rawAPIDataLength))\n'+' #set($rawAPIData = $rawAPIData.replace(", ", "&"))\n'+'#else\n'+' #set($rawAPIData = "")\n'+'#end\n'+'\n'+'## first we get the number of "&" in the string, this tells us if there is more than one key value pair\n'+'#set($countAmpersands = $rawAPIData.length() - $rawAPIData.replace("&", "").length())\n'+'\n'+'## if there are no "&" at all then we have only one key value pair.\n'+'## we append an ampersand to the string so that we can tokenise it the same way as multiple kv pairs.\n'+'## the "empty" kv pair to the right of the ampersand will be ignored anyway.\n'+'#if ($countAmpersands == 0)\n'+' #set($rawPostData = $rawAPIData + "&")\n'+'#end\n'+'\n'+'## now we tokenise using the ampersand(s)\n'+'#set($tokenisedAmpersand = $rawAPIData.split("&"))\n'+'\n'+'## we set up a variable to hold the valid key value pairs\n'+'#set($tokenisedEquals = [])\n'+'\n'+'## now we set up a loop to find the valid key value pairs, which must contain only one "="\n'+'#foreach( $kvPair in $tokenisedAmpersand )\n'+' #set($countEquals = $kvPair.length() - $kvPair.replace("=", "").length())\n'+' #if ($countEquals == 1)\n'+'  #set($kvTokenised = $kvPair.split("="))\n'+'  #if ($kvTokenised[0].length() > 0)\n'+'   ## we found a valid key value pair. add it to the list.\n'+'   #set($devNull = $tokenisedEquals.add($kvPair))\n'+'  #end\n'+' #end\n'+'#end\n'+'\n'+'## next we set up our loop inside the output structure "{" and "}"\n'+'{\n'+'#foreach( $kvPair in $tokenisedEquals )\n'+'  ## finally we output the JSON for this pair and append a comma if this isn\'t the last pair\n'+'  #set($kvTokenised = $kvPair.split("="))\n'+' "$util.urlDecode($kvTokenised[0])" : #if($kvTokenised[1].length() > 0)"$util.urlDecode($kvTokenised[1])"#{else}""#end#if( $foreach.hasNext ),#end\n'+'#end\n'+'}'// POSTメソッドの作成postResouse.addMethod("POST",newapigw.LambdaIntegration(search,{// 統合リクエストの設定requestTemplates:{'application/x-www-form-urlencoded':template},// 統合レスポンスの設定integrationResponses:[{statusCode:'200',contentHandling:apigw.ContentHandling.CONVERT_TO_TEXT,responseTemplates:{'application/json':"$input.json('$')"}}],passthroughBehavior:apigw.PassthroughBehavior.WHEN_NO_MATCH,proxy:false}),// メソッドレスポンスの設定{methodResponses:[{statusCode:'200',responseModels:{'application/json':responseModel}}]})}}

cdk diff
cdk deploy