добавлен ответ с курсом валют

main.js

@@ -1,29 +1,35 @@
 const fastify = require('fastify')({ logger: true });
+const schedule = require('node-schedule');
+const pool = require("./postgresql.js");
+const saveRate = require('./utils/saveRate.js');
+const response = require('./utils/errorResponse');
 
-fastify.route({
-    method: 'GET',
-    url: '/',
-    schema: {
-        querystring: {
 
-        },
-        response: {
-            200: {
+schedule.scheduleJob('30 8 * * *', async function () {
+    console.log('I save the currency data');
+    await saveRate();
+});
 
-            }
-        }
-    },
-    preHandler: async (res, reply) => {
+fastify.get('/api/getRate/', async function (req, reply) {
+    if (!req.query?.codeCurrency) return response(
+        400,
+        'error',
+        'codeCurrency parameter is required'
+        );
 
-    },
-    handler: async (res, reply) => {
+    if (!req.query?.periodStart) return response(400, 'error', 'period parameter is required');
 
-    }
-})
+    const data = await pool.query('SELECT * FROM currency WHERE from_currency = $1 AND date = $2', [
+        req.query.codeCurrency,
+        req.query.periodStart
+    ]).then(response('error', 500, 'Internal Server Error'));
 
-try {
-    await fastify.listen({ port: 3000 })
-} catch (err) {
-    fastify.log.error(err)
-    process.exit(1)
-}
+    console.log(typeof data['rows'])
+
+    return data['rows'];
+});
+
+fastify.listen({ port: 3000 }, err => {
+    if (err) throw err
+    console.log(`server listening on ${fastify.server.address().port}`)
+})

utils/errorResponse.js

@@ -0,0 +1,11 @@
+function response(status, statusCode, message) {
+    return {
+        status: status,
+        statusCode: status,
+        data: {
+            message: message
+        }
+    }
+}
+
+module.exports = response;