鼓膜の画像を送り質問に返答すれば、自動で中耳炎の診断や治療方針が返されるLINE Botを作成（ヒーローズ・リーグ2019 LINEテーマ賞）

functionhandleEvent(req,res){if(req.body.events[0].type==='message'&&req.body.events[0].message.type==='text'){returnhandleTextEvent(req.body.events[0]);}elseif(req.body.events[0].message.type==='image'){returnhandleImageEvent(req.body.events[0]);}console.log("サポートされていないメッセージです");}

functionhandleImageEvent(event){console.log("画像が来たよ");// ユーザーがLINE Bot宛てに送った写真のURLを取得するconstoptions={url:`https://api.line.me/v2/bot/message/${event.message.id}/content`,method:'get',headers:{'Authorization':'Bearer 自分のchannelAccessToken',},encoding:null};Request(options,function(error,response,body){if(!error&&response.statusCode==200){//保存console.log(options.url+'/image.jpg');letstrURL=options.url+'/image.jpg';//Nowでデプロイする場合は、/tmp/のパスが重要fs.writeFileSync(`/tmp/`+event.message.id+`.png`,newBuffer(body),'binary');constfilePath=`/tmp/`+event.message.id+`.png`;//Azure Custom Vision APIの設定constconfig={"predictionEndpoint":"ひかえておいたURL","predictionKey":'ひかえておいたKey'};letresult1;cv.sendImage(filePath,config,(data)=>{console.log(data);letresult0="";// let result1;letresult2="";letresult3="";letresult4="";letresult5="";letstrName="";letProbability;letstrProbability;for(vari=0;i<4;i++){strName=data.predictions[i].tagName;Probability=data.predictions[i].probability*100;strProbability=Probability.toFixed();if(strName=="急性中耳炎"){result1="急性中耳炎";result0="ですね。\n確率は"+strProbability+'%\n\n';}elseif(strName=="滲出性中耳炎"){result1="滲出性中耳炎";result0=strProbability+'%';}elseif(strName=="正常鼓膜"){result1="正常鼓膜";result0=strProbability+'%';}}letsymptoms={};letscore=0;if(result1=="急性中耳炎"){for(vari=0;i<10;i++){strName=data.predictions[i].tagName;Probability=data.predictions[i].probability*100;strProbability=Probability.toFixed();if(symptoms["発赤"]===undefined){if(strName=="発赤：なし"){symptoms["発赤"]="発赤なし"+strProbability+'%,\n';//score0}elseif(strName=="発赤：一部"){symptoms["発赤"]="発赤一部"+strProbability+'%,\n';score+=2;}elseif(strName=="発赤：全体"){symptoms["発赤"]="発赤全体"+strProbability+'%,\n';score+=4;}result2=symptoms["発赤"];}if(symptoms["腫脹"]===undefined){if(strName=="腫脹：なし"){symptoms["腫脹"]="腫脹なし"+strProbability+'%,\n';}elseif(strName=="腫脹：一部"){symptoms["腫脹"]="腫脹一部"+strProbability+'%,\n';score+=4;}elseif(strName=="腫脹：全体"){symptoms["腫脹"]="腫脹全体"+strProbability+'%,\n';score+=8;}result3=symptoms["腫脹"];}if(symptoms["耳漏"]===undefined){if(strName=="耳漏：なし"){symptoms["耳漏"]="耳漏なし"+strProbability+'%,\n';}elseif(strName=="耳漏：あり"){symptoms["耳漏"]="耳漏あり"+strProbability+'%,\n';score+=2;}result4=symptoms["耳漏"];}}// }client.replyMessage(event.replyToken,{"type":"text",// ①"text":result1+result0+result2+result3+result4+"➡重症度スコア:"+String(score)+"\n\nいくつか質問にお答えください。\n\n2歳未満ですか？","quickReply":{"items":[{"type":"action","action":{"type":"message","label":"いいえ","text":"2歳以上 トータルスコア:"+String(score)}},{"type":"action","action":{"type":"message","label":"はい","text":"2歳未満 トータルスコア:"+String(score+3)}}]}});}elseif(result1=="滲出性中耳炎"){client.replyMessage(event.replyToken,{type:'text',text:result1+"ですね。\n確率は"+result0,});}elseif(result1=="正常鼓膜"){client.replyMessage(event.replyToken,{type:'text',text:result1+"ですね。\n確率は"+result0,});}try{fs.unlinkSync(filePath);returntrue;}catch(err){returnfalse;}return;},(error)=>{console.log(error)});}else{console.log('imageget-err');}});}