fetch markets

Back/src/application_controller.js

@@ -3,18 +3,20 @@ var router = express.Router();
 const api_helper = require('./thirdparty_api')
 const config = require('./config');
 
-
+// total coins   13081
+// per page coins  100
+// max page        131
+// last lenth       81
 
 router.get('/coins/markets', function (req, res) {
-  // let pair = req.query.pair;
-  // let interval = req.query.interval;
-  
-  let url = config.coingecko.api_url + '/coins/markets?vs_currency=usd&order=market_cap_desc&per_page=100&page=1&sparkline=false';
+  let page = req.query.page || 1;
+  let per_page = req.query.per_page || 100;
+  let url = config.coingecko.api_url + `/coins/markets?vs_currency=usd&order=market_cap_desc&per_page=${per_page}&page=${page}&sparkline=false`;
 
   api_helper.REMOTE_API_call(url)
     .then(response => {
       console.log("url: ", url);
-      console.log("response: ", response);
+      console.log("response.length: ", response.length);
       res.json(response);
     })
     .catch(error => {
@@ -23,4 +25,19 @@ router.get('/coins/markets', function (req, res) {
     })
 })
 
+
+router.get('/coins/count', function (req, res) {
+  let url = config.coingecko.api_url + '/global';
+  console.log("url: ", url);
+
+  api_helper.REMOTE_API_call(url)
+    .then(response => {
+      res.json(response.data.active_cryptocurrencies);
+    })
+    .catch(error => {
+      console.log("error: ", error);
+      res.send(error);
+    })
+})
+
 module.exports = router;