added json format param for source=2 api

Author: sagarkarira

app.js

@@ -36,7 +36,7 @@ app.get('/', (req, res) => {
   const source = req.query.source ? Number(req.query.source) : 1;
 
   if (source === 2) {
-    return getWorldoMetersTable({ isCurl, emojis, minimal, top })
+    return getWorldoMetersTable({ isCurl, emojis, minimal, top, format})
       .then(result => {
         return res.send(result);
       }).catch(error => errorHandler(error, res));
@@ -107,7 +107,7 @@ app.get('/:country', (req, res) => {
   const { iso2 } = lookupObj;
 
   if (source === 2) {
-    return getWorldoMetersTable({ countryCode: iso2, isCurl, emojis, minimal })
+    return getWorldoMetersTable({ countryCode: iso2, isCurl, emojis, minimal, format })
       .then(result => {
         return res.send(result);
       }).catch(error => errorHandler(error, res));

lib/api.js

@@ -1,9 +1,22 @@
+/**
+ * Data Source File
+ * 1. Fetch data from source.
+ * 2. Process data.
+ * 3. Add to cache and return
+ */
+
 const NodeCache = require('node-cache');
 const axios = require('axios');
 const { countryNameMap } = require('./constants');
 
 const myCache = new NodeCache({ stdTTL: 100, checkperiod: 600 });
 
+/**
+ * John Hopkins Univ. data source API.
+ * The data needs to be flattened.
+ * @todo Move the data processing from `view` files to this `data` file.
+ * @returns {Object} JHUDataObject
+ */
 exports.getCoronaData = async () => {
   const CORONA_ALL_KEY = 'coronaAll';
   const cache = myCache.get(CORONA_ALL_KEY);
@@ -20,7 +33,12 @@ exports.getCoronaData = async () => {
   return result.data;
 };
 
-/** Fetch Worldometers Data */
+/**
+ * Fetch Worldometers Data.
+ * As JHU data updates once a day, this was added.
+ * This API scrapes data from `https://www.worldometers.info/coronavirus/`
+ * and updates very frequenly.
+ * */
 exports.getWorldoMetersData = async (countryCode = 'ALL') => {
   const key = `worldMetersData_${countryCode}`;
   const cache = myCache.get(key);
@@ -44,7 +62,8 @@ exports.getWorldoMetersData = async (countryCode = 'ALL') => {
     acc.critical += countryObj.critical;
     return acc;
   }, {
-    countryName: 'World',
+    country: 'World',
+    countryCode: 'World',
     cases: 0,
     todayCases: 0,
     deaths: 0,
@@ -57,7 +76,6 @@ exports.getWorldoMetersData = async (countryCode = 'ALL') => {
   result.data.forEach(obj => obj.countryCode = countryNameMap[obj.country]);
   worldStats.casesPerOneMillion = (worldStats.cases / 7794).toFixed(2);
   let finalData =  result.data;
-  console.log(countryCode);
   if (countryCode && countryCode !== 'ALL') {
     finalData = finalData.filter(obj => obj.countryCode === countryCode);
   }

lib/worldoMeters.js

@@ -9,7 +9,8 @@ exports.getWorldoMetersTable = async ({
   isCurl = true,
   emojis = false,
   minimal = false,
-  top = 1000
+  top = 1000,
+  format,
 }) => {
   const secondColumnName = countryCode ? 'Country': 'World';
   const table = new Table({
@@ -18,6 +19,10 @@ exports.getWorldoMetersTable = async ({
     style: helpers.getTableStyles(minimal),
   });
   const { data, worldStats } = await api.getWorldoMetersData(countryCode);
+  console.log(format);
+  if (format === 'json') {
+    return { data, worldStats };
+  }
 
   let rank = 1;
   data.some(cd => {

package-lock.json

@@ -1,6 +1,6 @@
 {
   "name": "coronavirus-tracker-cli",
-  "version": "0.6.0",
+  "version": "0.7.0",
   "description": "track conronavirus cases from cli",
   "repository": {
     "type": "git",