add github daily workflow

.github/workflows/main.yml

@@ -0,0 +1,26 @@
+name: Simple update btc rates
+on:
+  push:
+  schedule:
+    - cron:  '4 5 * * *'
+    
+jobs:
+  run:
+    name: update hkdhistorical
+    runs-on: ubuntu-latest
+    steps:    
+      - name: setup actions
+        uses: actions/checkout@v3
+        with: 
+          node-version: 12.x
+      - name: add and push
+        run: |
+          node updaterate.js
+          date > generated.txt
+          git config user.name github-actions
+          git config user.email github-actions@github.com
+          git add .
+          git commit -m "generated"
+          git push
+
+

.gitignore

@@ -109,3 +109,5 @@ credentials.json
 env
 hkd_one
 hkd_one~
+.DS_Store
+package-lock.json

action.yml

@@ -0,0 +1,12 @@
+name: 'fetch my custom url and update'
+description: 'fetch url and cron job.'
+branding:
+  icon: 'check-circle'
+  color: 'green'
+inputs:
+  url:
+    description: 'URL to get rate'
+    required: true
+runs:
+  using: 'node12'
+  main: 'index.js'

btcpoll.js

@@ -0,0 +1,78 @@
+const fs = require('fs')
+const axios = require('axios');
+const moment = require('moment');
+
+const path = require('path');
+const dirPath = path.join(__dirname, ".");
+const fileToWrite = dirPath + "/public/hkd_historical"
+const fileToRead = dirPath + "/public/hkd_historical"
+
+
+    // get btc/usd and btc/hkd daily rate
+    async function BTCDaily() {
+        let url = "https://api.coingecko.com/api/v3/coins/bitcoin/history?localization=false&date="
+
+        const yesterday = moment().subtract(1, 'days') // YYYY-MM-DD
+        const reverse = yesterday.format('DD-MM-YYYY')
+
+        // format is YYYY-MM-DD
+        const dbdate = yesterday.format('YYYY-MM-DD')
+        let full_url = url + reverse
+        let row = {}
+        //console.log("db date: ", dbdate)
+        //console.log("new date format:  ", reverse, "\n")
+
+        await axios.get(full_url).then(
+            async function(response) {
+                // console.log("full url: ", full_url)
+                const data = await response.data;
+                const btcusd = data['market_data']['current_price']['usd']
+                const btchkd = data['market_data']['current_price']['hkd']
+                const satsrate = 100000000
+                const sathkd = parseInt(satsrate / btchkd)
+                const usdsat = parseInt(satsrate / btcusd)
+
+                row = {
+                    btcusd_rate: parseInt(btcusd),
+                    date: dbdate,
+                    usdsat_rate: usdsat,
+                    sathkd_rate: sathkd,
+                    btchkd_rate: parseFloat(btchkd).toFixed(2),
+                }
+                console.log("row data: ", row)
+            })
+        return row
+    }
+
+    // update file in the target github repo
+    async function updateFile() {
+        const row = await BTCDaily()
+
+        if (Object.keys(row).length > 0) {
+            //console.log("dirpath", dirPath)
+            //console.log("dirname", __dirname)
+            const original = await fs.readFileSync(fileToRead)
+            let orig = JSON.parse(original)
+            //console.log(orig[0])
+            orig.push(row)
+            //console.log(orig[orig.length - 1])
+            const new_content = JSON.stringify(orig)
+            await fs.writeFileSync(fileToWrite, new_content);
+        }
+    }
+
+module.exports = {
+    // start here
+    main: async function () {
+        console.log("starting btcpoll script for satshkd....")
+        let result = updateFile();
+        console.log(result)
+        return true
+    }
+}
+
+
+//const res = main()
+//console.log('Result from main() : ', res)
+
+

generated.txt

@@ -0,0 +1 @@
+Mon Mar 21 05:00:42 UTC 2022

package.json

@@ -25,6 +25,8 @@
         "csv-parser": "^3.0.0",
         "express": "^4.17.1",
         "express-handlebars": "^5.3.4",
-        "morgan": "1.9.1"
+        "morgan": "1.9.1",
+        "@actions/core": "^1.2.6",
+        "moment": "^2.29.1"
     }
 }

updaterate.js

@@ -0,0 +1,13 @@
+const core = require('@actions/core');
+const poll = require('./btcpoll');
+
+// modify this to ping url, get data and update, commit and push file to github repo
+try {
+  const res = poll.main()
+  console.log("main response: ", res)
+  core.setOutput('✅ Success');
+
+} catch (error) {
+  core.setFailed(`🛑 ${error.message}`); 
+}
+