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https://github.com/Redume/Kekkai.git
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Удалено из-за перехода на микросервисы
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parent
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7 changed files with 0 additions and 177 deletions
7
.gitignore
vendored
7
.gitignore
vendored
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.idea
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node_modules
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config.yaml
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package-lock.json
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CertSSL/
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CREATE TABLE currency(
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from_currency TEXT NOT NULL,
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conv_currency TEXT NOT NULL,
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rate FLOAT NOT NULL,
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date DATE NOT NULL
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);
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62
main.js
62
main.js
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const fastify = require('fastify')({ logger: true });
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const schedule = require('node-schedule');
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const pool = require("./postgresql.js");
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const yaml = require("yaml")
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const fs = require("fs");
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const config = yaml.parse(fs.readFileSync("./config.yaml", "utf-8"));
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const saveRate = require('./utils/saveRate.js');
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const response = require('./utils/errorResponse');
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saveRate();
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schedule.scheduleJob('30 8 * * *', async function () {
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console.log('I save the currency data');
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await saveRate();
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});
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fastify.get('/api/getRate/', async function (req) {
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if (!req['query']?.['fromCurrency'] || !req['query']?.['convCurrency']) return response(
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'error',
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400,
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'fromCurrency and convCurrency parameter is required'
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);
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if (!req['query']?.['periodStart']) return response(
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'error',
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400,
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'periodStart parameter is required'
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);
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let data = await pool.query('SELECT * FROM currency WHERE from_currency = $1 AND conv_currency = $2 AND date = $3', [
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req['query']['fromCurrency'],
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req['query']['convCurrency'],
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req['query']['periodStart'],
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]).then(response('error', 500, 'Internal Server Error'));
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if (!data['rows']?.[0]) return response(
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'error',
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204,
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'There is no data for this time'
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);
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if (req['query']?.['periodEnd']) {
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let data = await pool.query('SELECT * FROM currency WHERE (date BETWEEN $3 AND $4) AND from_currency = $1 AND conv_currency = $2', [
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req['query']['fromCurrency'],
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req['query']['convCurrency'],
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req['query']['periodStart'],
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req['query']['periodEnd'],
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]);
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return data['rows'];
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}
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return data['rows'][0];
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});
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fastify.listen({
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host: config['server']['host'],
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port: config['server']['port'],
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}, err => {
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if (err) throw err
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console.log(`server listening on ${fastify.server.address().port}`)
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})
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17
package.json
17
package.json
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{
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"name": "kekkai",
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"version": "1.0.0",
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"description": "Chart for popular fiat currencies",
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"main": "main.js",
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"scripts": {},
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"author": "Redume",
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"license": "LGPL-3.0-only",
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"dependencies": {
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"axios": "^1.6.7",
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"axios-retry": "^4.0.0",
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"fastify": "^4.26.1",
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"node-schedule": "^2.1.1",
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"pg": "^8.11.3",
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"yaml": "^2.3.4"
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}
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}
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const pg = require("pg");
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const yaml = require("yaml")
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const fs = require("fs");
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const config = yaml.parse(fs.readFileSync("./config.yaml", "utf-8"));
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const pool = new pg.Pool({
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user: config['database']['user'],
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password: config['database']['password'],
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host: config['database']['host'],
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port: config['database']['port'],
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database: config['database']['name']
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});
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module.exports = pool;
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/**
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*
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* @param {string} status
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* @param {number} statusCode
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* @param {string} message
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* @returns {{data: {message}, status, statusCode}}
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*/
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function response(status, statusCode, message) {
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return {
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status: status,
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statusCode: statusCode,
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data: {
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message: message
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}
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}
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}
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module.exports = response;
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const pool = require('../postgresql.js');
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const yaml = require('yaml');
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const fs = require('fs');
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const axios = require('axios');
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const config = yaml.parse(fs.readFileSync('./config.yaml', 'utf-8'));
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async function save_fiat() {
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if (!config['currency']['collecting']['fiat']) return;
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config['currency']['fiat'].forEach(
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(value) => config['currency']['fiat'].forEach(async (pair) => {
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if(value !== pair) {
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const res = await axios.get(
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`https://duckduckgo.com/js/spice/currency/1/${value}/${pair}`,
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{
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timeout: 3000,
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}
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);
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const regExp = new RegExp('\\(\\s*(.*)\\s*\\);$', 'mg');
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const data = JSON.parse(Array.from(res.data.matchAll(regExp))[0][1])
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delete data['terms'];
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delete data['privacy'];
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const point = data['to'][0]['mid'].toString().indexOf('.') + 4;
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pool.query('SELECT * FROM currency WHERE from_currency = $1 AND conv_currency = $2 AND date = $3',
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[
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value,
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pair,
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new Date(data['timestamp']).toLocaleDateString()
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]
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).then(async (db) => {
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if (!db['rows'][0]) {
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await pool.query(`INSERT INTO currency (from_currency, conv_currency, rate, date)
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VALUES ($1, $2, $3, $4) RETURNING *`,
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[
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value,
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pair,
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data['to'][0]['mid'].toString().slice(0, point),
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new Date(data['timestamp']).toLocaleDateString()
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]
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);
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}
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});
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}
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})
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);
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}
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module.exports = save_fiat;
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