家庭内フードロスを減らそう。LINEbotを使ったレシピの提案

'use strict';constexpress=require('express');constline=require('@line/bot-sdk');constPORT=process.env.PORT||3000;// 追加constaxios=require('axios');constconfig={channelSecret:'xxxxxx',channelAccessToken:'xxxxxx'};constapp=express();app.get('/',(req,res)=>res.send('Hello LINE BOT!(GET)'));//ブラウザ確認用(無くても問題ない)app.post('/webhook',line.middleware(config),(req,res)=>{// LINE上で入力されたconsole.log(req.body.events[0].message.text);//ここのif文はdeveloper consoleの"接続確認"用なので後で削除して問題ないです。if(req.body.events[0].replyToken==='00000000000000000000000000000000'&&req.body.events[1].replyToken==='ffffffffffffffffffffffffffffffff'){res.send('Hello LINE BOT!(POST)');console.log('疎通確認用');return;}Promise.all(req.body.events.map(handleEvent)).then((result)=>res.json(result));});constclient=newline.Client(config);//////////////// ここ以降が処理を書く場所 ///////////////asyncfunctionhandleEvent(event){if(event.type!=='message'||event.message.type!=='text'){returnPromise.resolve(null);}letmes=''varresult=event.message.text;mes=result+'を使ったレシピ';//wikiのurlの前の一言awaitclient.replyMessage(event.replyToken,{type:'text',// text: event.message.text //実際に返信の言葉を入れる箇所text:mes});returngetMenu(event.source.userId,result);}//handleevent constgetMenu=async(userId,food)=>{constres=awaitaxios.get('https://app.rakuten.co.jp/services/api/Recipe/CategoryList/20170426?format=json&formatVersion=2&categoryType=small&applicationId='+{楽天のアプリID/デベロッパーID});varname=[];varcatgid=[];varurl=[];varlen=res.data.result.small.length;vara=0;for(vari=0;i<len;i++){if(res.data.result.small[i].categoryName.indexOf(food)>-1){name[a]=res.data.result.small[i].categoryName;catgid[a]=res.data.result.small[i].parentCategoryId;url[a]=res.data.result.small[i].categoryUrl;a=a+1;}}console.log(name);console.log(catgid);console.log(url);letcol=[];// 何も引っかからなかった時の処理if(name.length<=0){// とりあえず返事するawaitclient.pushMessage(userId,{type:'text',text:'ごめん、その食材の使い方は知らない。代わりのおすすめメニュー↓↓',});// ランダムでこの中の物を返すためのリストletcategory=[{categoryName:"人気メニュー",categoryId:"30",categoryUrl:"https://recipe.rakuten.co.jp/category/30/"},{categoryName:"定番の肉料理",categoryId:"31",categoryUrl:"https://recipe.rakuten.co.jp/category/31/"},{categoryName:"定番の魚料理",categoryId:"32",categoryUrl:"https://recipe.rakuten.co.jp/category/32/"},{categoryName:"卵料理",categoryId:"33",categoryUrl:"https://recipe.rakuten.co.jp/category/33/"},{categoryName:"パスタ",categoryId:"15",categoryUrl:"https://recipe.rakuten.co.jp/category/15/"},{categoryName:"鍋料理",categoryId:"23",categoryUrl:"https://recipe.rakuten.co.jp/category/23/"},{categoryName:"簡単料理・時短",categoryId:"36",categoryUrl:"https://recipe.rakuten.co.jp/category/36/"},{categoryName:"節約料理",categoryId:"37",categoryUrl:"https://recipe.rakuten.co.jp/category/37/"},{categoryName:"今日の献立",categoryId:"38",categoryUrl:"https://recipe.rakuten.co.jp/category/38/"},{categoryName:"健康料理",categoryId:"39",categoryUrl:"https://recipe.rakuten.co.jp/category/39/"},]varlen=category.length;varrand=Math.floor(Math.random()*(len+1));// 毎度ランダムに変わるようにするvarcategoryName=category[rand].categoryName+'のレシピだよ！';varurl=category[rand].categoryUrl;// ボタンテンプレートreturnclient.pushMessage(userId,{"type":"template","altText":"This is a buttons template","template":{"type":"buttons","thumbnailImageUrl":"{サムネにしたい画像のURL}","imageAspectRatio":"rectangle","imageSize":"cover","imageBackgroundColor":"#FFFFFF","title":"おすすめMenu","text":categoryName,"defaultAction":{"type":"uri","label":"View detail","uri":url},"actions":[{"type":"uri","label":"レシピへGO","uri":url}]}});}else{varlen2=name.length;if(len2>10){len2=10;}// カルーセルの上限が10個なので10以上ある場合は10にする// "columns" の中身を作っておく  for(vark=0;k<len2;k++){consttitle=name[k];consttext=name[k]+'のレシピを紹介するよ！';consturi=url[k];letcarousel={"thumbnailImageUrl":"{サムネにしたい画像のURL}","imageBackgroundColor":"#FFFFFF","title":title,"text":text,"defaultAction":{"type":"uri","label":"View detail","uri":uri},"actions":[{"type":"uri","label":"レシピへGO","uri":uri}]};col.push(carousel);}returnclient.pushMessage(userId,{"type":"template","altText":"this is a carousel template","template":{"type":"carousel","columns":col,"imageAspectRatio":"rectangle","imageSize":"cover"}});}}(process.env.NOW_REGION)?module.exports=app:app.listen(PORT);console.log(`Server running at ${PORT}`);