Google Cloud Function for LINE pushMessage https://hackmd.io/@taichunmin/B1rUayhjr

index.js

const axios = require('axios')

exports.helloWorld = async (req, res) => {
  res.set('Access-Control-Allow-Origin', '*')
  res.set('Access-Control-Allow-Credentials', 'true')

  if (req.method === 'OPTIONS') {
    // Send response to OPTIONS requests
    res.set('Access-Control-Allow-Methods', 'POST, OPTIONS')
    res.set('Access-Control-Allow-Headers', 'authorization,content-type')
    res.set('Access-Control-Max-Age', '3600')
    res.status(204).send('')
  } else if (req.method === 'POST' && /^application\/json/.test(req.get('content-type'))) {
    try {
      console.log(JSON.stringify(req.body))
      let response = await axios.post('https://api.line.me/v2/bot/message/push', req.body, {
        headers: {
          Authorization: req.get('authorization')
        },
        validateStatus: status => true
      })
      console.log(JSON.stringify({ status: response.status, data: response.data }))
      res.status(response.status).json(response.data)
    } catch (err) {
      res.status(500).json({stack: err.stack})
      console.error(err)
    }
  } else {
    res.status(403).send('')
  }
}

message.json

[
  {
    "type": "flex",
    "altText": "訊息推送工具 DEMO",
    "contents": {
      "type": "bubble",
      "hero": {
        "type": "image",
        "url": "https://storage.googleapis.com/youbike-chatbot-photo/theme-golden-age/hero/atvt20190709-${_.random(1,11)}.png",
        "size": "full",
        "aspectRatio": "1.51:1",
        "aspectMode": "cover",
        "action": {
          "type": "uri",
          "uri": "https://hackmd.io/@taichunmin/B1rUayhjr"
        }
      },
      "body": {
        "type": "box",
        "layout": "vertical",
        "contents": [
          {
            "type": "text",
            "text": "訊息推送工具 DEMO",
            "weight": "bold",
            "size": "xl"
          },
          {
            "type": "box",
            "layout": "vertical",
            "margin": "lg",
            "spacing": "sm",
            "contents": [
              {
                "type": "box",
                "layout": "baseline",
                "spacing": "sm",
                "contents": [
                  {
                    "type": "text",
                    "text": "名稱",
                    "color": "#aaaaaa",
                    "size": "sm",
                    "flex": 1
                  },
                  {
                    "type": "text",
                    "text": "${nick_name}",
                    "wrap": true,
                    "color": "#666666",
                    "size": "sm",
                    "flex": 5
                  }
                ]
              },
              {
                "type": "box",
                "layout": "baseline",
                "spacing": "sm",
                "contents": [
                  {
                    "type": "text",
                    "text": "擲骰",
                    "color": "#aaaaaa",
                    "size": "sm",
                    "flex": 1
                  },
                  {
                    "type": "text",
                    "text": "你擲出了 ${_.random(1,6)} 點",
                    "wrap": true,
                    "color": "#666666",
                    "size": "sm",
                    "flex": 5
                  }
                ]
              }
            ]
          }
        ]
      },
      "footer": {
        "type": "box",
        "layout": "vertical",
        "spacing": "sm",
        "contents": [
          {
            "type": "button",
            "style": "link",
            "height": "sm",
            "action": {
              "type": "uri",
              "label": "投影片",
              "uri": "https://hackmd.io/@taichunmin/B1rUayhjr"
            }
          }
        ]
      }
    }
  }
]

package.json

{
  "name": "gcf-fb-posts",
  "version": "1.0.0",
  "main": "index.js",
  "repository": "[email protected]:AI-Country/gcf-fb-posts.git",
  "author": "kelvin <[email protected]>",
  "license": "MIT",
  "dependencies": {
    "@google-cloud/storage": "^3.2.1",
    "axios": "^0.19.0",
    "dotenv": "^8.1.0",
    "lodash": "^4.17.15",
    "moment": "^2.24.0"
  },
  "devDependencies": {
    "eslint": "^6.4.0",
    "eslint-config-standard": "^14.1.0",
    "eslint-plugin-import": "^2.18.2",
    "eslint-plugin-node": "^10.0.0",
    "eslint-plugin-promise": "^4.2.1",
    "eslint-plugin-standard": "^4.0.1"
  },
  "scripts": {
    "repl": "node --experimental-repl-await repl.js"
  }
}