mirror of
https://github.com/Redume/Kekkai.git
synced 2025-02-23 20:51:25 +03:00
Написал на питоне создание графиков. Без использования сторонних сервисов
This commit is contained in:
parent
67a9430d83
commit
6cf66cf5bf
9 changed files with 101 additions and 417 deletions
1
chart/.gitignore
vendored
1
chart/.gitignore
vendored
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@ -1 +0,0 @@
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node_modules/
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126
chart/chart.js
126
chart/chart.js
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@ -1,126 +0,0 @@
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const ChartJSImage = require('chart.js-image');
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const pool = require('../shared/database/src/postgresql.js');
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const fs = require('fs');
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const axios = require('axios');
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const logger = require('../shared/logger/src/main.js');
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/**
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* Graph generation
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* @param {String} from_currency - The currency that is being converted
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* @param {String} conv_currency - The currency to be converted into
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* @param {String} start_date - Start date of the period
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* @param {String} end_date - End date of the period
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* @returns {Promise<Error|string>}
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*/
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async function gen_chart(from_currency, conv_currency, start_date, end_date) {
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const data = await pool.query(
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'SELECT date, rate FROM currency WHERE ' +
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'(date BETWEEN $3 AND $4) AND from_currency = $1 AND conv_currency = $2 ORDER BY date ',
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[
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from_currency.toUpperCase(),
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conv_currency.toUpperCase(),
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start_date,
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end_date,
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],
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);
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if (!data['rows'][0]) return 'Missing data';
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const date = [];
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const rate = [];
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for (let i = 0; i < data.rows.length; i++) {
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date.push(data.rows[i].date.toLocaleDateString());
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rate.push(data.rows[i].rate);
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}
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const chart = ChartJSImage()
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.chart({
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type: 'line',
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options: {
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title: {
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display: true,
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text: `${from_currency} / ${conv_currency}`,
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},
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scales: [
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{
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yAxes: [
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{
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ticks: {
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beginAtZero: false,
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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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data: {
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labels: date,
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datasets: [
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{
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borderColor:
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rate[0] < rate[rate.length - 1]
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? 'rgb(24, 218, 39)'
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: 'rgb(243, 85, 50)',
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backgroundColor:
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rate[0] < rate[rate.length - 1]
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? 'rgb(36, 175, 47)'
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: 'rgb(218, 56, 24)',
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data: rate,
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borderWidth: 2,
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},
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],
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},
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scales: {
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xAxes: [
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{
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scaleLabel: {
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display: true,
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labelString: 'Day',
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},
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},
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],
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yAxes: [
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{
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stacked: false,
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scaleLabel: {
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display: true,
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labelString: 'Rate',
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},
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},
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],
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},
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})
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.width(1000)
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.height(1000);
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logger.debug(chart.toURL());
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return chart.toURL();
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}
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/**
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* Saving a graph to a file
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* @param {String} url - URL (or Buffer) to the chart
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* @param {String} filename - filename
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*/
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function save_chart(url, filename) {
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if (!fs.existsSync('../charts')) fs.mkdirSync('../charts');
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if (!url.startsWith('https://'))
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throw new Error('The passed parameter is not a URL');
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logger.info(
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`The schedule has been saved. The path of the graph 'chart/${filename}'`,
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);
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axios({ url, responseType: 'stream' }).then(
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(response) =>
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new Promise((resolve, reject) => {
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response.data
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.pipe(fs.createWriteStream(`../charts/${filename}`))
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.on('finish', () => resolve())
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.on('error', (e) => reject(e));
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}),
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);
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}
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module.exports = { gen_chart, save_chart };
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95
chart/chart.py
Normal file
95
chart/chart.py
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@ -0,0 +1,95 @@
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import os
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import psycopg2
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import uvicorn
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import yaml
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import matplotlib.pyplot as plt
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from fastapi import FastAPI, Response, status
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from psycopg2.extras import DictCursor
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from starlette.staticfiles import StaticFiles
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app = FastAPI()
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config = yaml.safe_load(open('../config.yaml'))
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con = psycopg2.connect(host=config['database']['host'],
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user=config['database']['user'],
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password=config['database']['password'],
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database=config['database']['name'],
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port=config['database']['port'])
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cur = con.cursor(cursor_factory=DictCursor)
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con.autocommit = True
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app.mount('/static/charts', StaticFiles(directory='../charts/'))
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@app.get("/api/getChart/")
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async def get_chart(response: Response,
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from_currency: str, conv_currency: str,
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start_date: str, end_date: str):
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"""
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:param response:
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:param from_currency: The currency to convert from
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:type from_currency: str
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:param conv_currency: The currency to be converted into
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:type conv_currency: str
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:param start_date: The start date of the schedule period
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:type start_date: str
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:param end_date: The last date of the schedule period
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:type end_date: str
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:return:
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"""
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cur.execute('SELECT date, rate FROM currency WHERE (date BETWEEN %s AND %s) '
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'AND from_currency = %s AND conv_currency = %s ORDER BY date',
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[
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start_date, end_date,
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from_currency.upper(), conv_currency.upper()
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])
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con.commit()
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data = cur.fetchall()
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if not data:
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response.status_code = status.HTTP_404_NOT_FOUND
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return {'message': 'No data found', 'status_code': status.HTTP_404_NOT_FOUND}
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date, rate = [], []
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for i in range(len(data)):
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date.append(str(data[i][0]))
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rate.append(data[i][1])
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if rate[0] < rate[-1]:
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plt.plot(date, rate, color='green')
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elif rate[0] > rate[-1]:
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plt.plot(date, rate, color='red')
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else:
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plt.plot(date, rate, color='grey')
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plt.xlabel('Date')
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plt.ylabel('Rate')
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fig = plt.gcf()
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fig.set_size_inches(18.5, 9.5)
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if not os.path.exists('../charts'):
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os.mkdir('../charts')
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fig.savefig(f'../charts/{from_currency}-{conv_currency}.png')
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fig.clear()
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return {'message': f'./static/charts/{from_currency}-{conv_currency}.png',
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'status_code': status.HTTP_201_CREATED,
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}
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if __name__ == '__main__':
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uvicorn.run(app,
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host=config['server']['host'],
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port=3030,
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ssl_keyfile=config['server']['ssl']['private_key']
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if config['server']['ssl']['work']
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else None,
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ssl_certfile=config['server']['ssl']['cert']
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if config['server']['ssl']['work']
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else None
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)
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const fs = require('fs');
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const config = require('../shared/config/src/main.js')();
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const schedule = require('node-schedule');
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function main() {
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if (config['currency']['chart']['max_size'] === 0) return;
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fs.readdir('../charts/', (err, files) => {
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if (err) return;
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let folderSize = 0;
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for (const file of files) {
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try {
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const fileSize =
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fs.statSync(`../charts/${file}`)['size'] / 1024;
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folderSize += fileSize;
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if (folderSize > config['currency']['chart']['max_size']) {
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for (let i = 0; i < files.length; i++) {
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fs.unlinkSync(`../charts/${files[i]}`);
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}
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}
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} catch {
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return;
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}
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}
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});
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}
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schedule.scheduleJob('9 20 * * *', async function () {
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main();
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});
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main();
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192
chart/package-lock.json
generated
192
chart/package-lock.json
generated
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@ -1,192 +0,0 @@
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{
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"name": "chart",
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"version": "1.0.0",
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"lockfileVersion": 3,
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"requires": true,
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"packages": {
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"": {
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"name": "chart",
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"version": "1.0.0",
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"license": "GPL-3.0-or-later",
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"dependencies": {
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"axios": "^1.7.3",
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"chart.js-image": "^6.1.3",
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"node-schedule": "^2.1.1"
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}
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},
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"node_modules/asynckit": {
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"version": "0.4.0",
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"resolved": "https://registry.npmjs.org/asynckit/-/asynckit-0.4.0.tgz",
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"integrity": "sha512-Oei9OH4tRh0YqU3GxhX79dM/mwVgvbZJaSNaRk+bshkj0S5cfHcgYakreBjrHwatXKbz+IoIdYLxrKim2MjW0Q==",
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"license": "MIT"
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},
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"node_modules/axios": {
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"version": "1.7.3",
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"resolved": "https://registry.npmjs.org/axios/-/axios-1.7.3.tgz",
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"integrity": "sha512-Ar7ND9pU99eJ9GpoGQKhKf58GpUOgnzuaB7ueNQ5BMi0p+LZ5oaEnfF999fAArcTIBwXTCHAmGcHOZJaWPq9Nw==",
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"license": "MIT",
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"dependencies": {
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"follow-redirects": "^1.15.6",
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"form-data": "^4.0.0",
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"proxy-from-env": "^1.1.0"
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}
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},
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"node_modules/axios/node_modules/form-data": {
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"version": "4.0.0",
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"resolved": "https://registry.npmjs.org/form-data/-/form-data-4.0.0.tgz",
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"integrity": "sha512-ETEklSGi5t0QMZuiXoA/Q6vcnxcLQP5vdugSpuAyi6SVGi2clPPp+xgEhuMaHC+zGgn31Kd235W35f7Hykkaww==",
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"license": "MIT",
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"dependencies": {
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"asynckit": "^0.4.0",
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"combined-stream": "^1.0.8",
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"mime-types": "^2.1.12"
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},
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"engines": {
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"node": ">= 6"
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}
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},
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"node_modules/chart.js-image": {
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"version": "6.1.3",
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"resolved": "https://registry.npmjs.org/chart.js-image/-/chart.js-image-6.1.3.tgz",
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"integrity": "sha512-K+h0dc/Wf/Dk5CWKrV7xxS7ozONCiQ73XL+QStBxUpgABzSblJwQe/R6X1RWxY2Z/G8OhKsPFB0HC7bwiCmB2w==",
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"license": "MIT",
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"dependencies": {
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"javascript-stringify": "2.0.1",
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"node-fetch": "2.6.0"
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},
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"engines": {
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"node": ">12"
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}
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},
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"node_modules/combined-stream": {
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"version": "1.0.8",
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"resolved": "https://registry.npmjs.org/combined-stream/-/combined-stream-1.0.8.tgz",
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"integrity": "sha512-FQN4MRfuJeHf7cBbBMJFXhKSDq+2kAArBlmRBvcvFE5BB1HZKXtSFASDhdlz9zOYwxh8lDdnvmMOe/+5cdoEdg==",
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"license": "MIT",
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"dependencies": {
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"delayed-stream": "~1.0.0"
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},
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"engines": {
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"node": ">= 0.8"
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}
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},
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"node_modules/cron-parser": {
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"version": "4.9.0",
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||||||
"resolved": "https://registry.npmjs.org/cron-parser/-/cron-parser-4.9.0.tgz",
|
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||||||
"integrity": "sha512-p0SaNjrHOnQeR8/VnfGbmg9te2kfyYSQ7Sc/j/6DtPL3JQvKxmjO9TSjNFpujqV3vEYYBvNNvXSxzyksBWAx1Q==",
|
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"license": "MIT",
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"dependencies": {
|
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"luxon": "^3.2.1"
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},
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"engines": {
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"node": ">=12.0.0"
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}
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},
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"node_modules/delayed-stream": {
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"version": "1.0.0",
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"resolved": "https://registry.npmjs.org/delayed-stream/-/delayed-stream-1.0.0.tgz",
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||||||
"integrity": "sha512-ZySD7Nf91aLB0RxL4KGrKHBXl7Eds1DAmEdcoVawXnLD7SDhpNgtuII2aAkg7a7QS41jxPSZ17p4VdGnMHk3MQ==",
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"license": "MIT",
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"engines": {
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"node": ">=0.4.0"
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}
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},
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"node_modules/follow-redirects": {
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"version": "1.15.6",
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"resolved": "https://registry.npmjs.org/follow-redirects/-/follow-redirects-1.15.6.tgz",
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"integrity": "sha512-wWN62YITEaOpSK584EZXJafH1AGpO8RVgElfkuXbTOrPX4fIfOyEpW/CsiNd8JdYrAoOvafRTOEnvsO++qCqFA==",
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"funding": [
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{
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"type": "individual",
|
|
||||||
"url": "https://github.com/sponsors/RubenVerborgh"
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}
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],
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"license": "MIT",
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"engines": {
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"node": ">=4.0"
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},
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"peerDependenciesMeta": {
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"debug": {
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"optional": true
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}
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}
|
|
||||||
},
|
|
||||||
"node_modules/javascript-stringify": {
|
|
||||||
"version": "2.0.1",
|
|
||||||
"resolved": "https://registry.npmjs.org/javascript-stringify/-/javascript-stringify-2.0.1.tgz",
|
|
||||||
"integrity": "sha512-yV+gqbd5vaOYjqlbk16EG89xB5udgjqQF3C5FAORDg4f/IS1Yc5ERCv5e/57yBcfJYw05V5JyIXabhwb75Xxow==",
|
|
||||||
"license": "MIT"
|
|
||||||
},
|
|
||||||
"node_modules/long-timeout": {
|
|
||||||
"version": "0.1.1",
|
|
||||||
"resolved": "https://registry.npmjs.org/long-timeout/-/long-timeout-0.1.1.tgz",
|
|
||||||
"integrity": "sha512-BFRuQUqc7x2NWxfJBCyUrN8iYUYznzL9JROmRz1gZ6KlOIgmoD+njPVbb+VNn2nGMKggMsK79iUNErillsrx7w==",
|
|
||||||
"license": "MIT"
|
|
||||||
},
|
|
||||||
"node_modules/luxon": {
|
|
||||||
"version": "3.5.0",
|
|
||||||
"resolved": "https://registry.npmjs.org/luxon/-/luxon-3.5.0.tgz",
|
|
||||||
"integrity": "sha512-rh+Zjr6DNfUYR3bPwJEnuwDdqMbxZW7LOQfUN4B54+Cl+0o5zaU9RJ6bcidfDtC1cWCZXQ+nvX8bf6bAji37QQ==",
|
|
||||||
"license": "MIT",
|
|
||||||
"engines": {
|
|
||||||
"node": ">=12"
|
|
||||||
}
|
|
||||||
},
|
|
||||||
"node_modules/mime-db": {
|
|
||||||
"version": "1.52.0",
|
|
||||||
"resolved": "https://registry.npmjs.org/mime-db/-/mime-db-1.52.0.tgz",
|
|
||||||
"integrity": "sha512-sPU4uV7dYlvtWJxwwxHD0PuihVNiE7TyAbQ5SWxDCB9mUYvOgroQOwYQQOKPJ8CIbE+1ETVlOoK1UC2nU3gYvg==",
|
|
||||||
"license": "MIT",
|
|
||||||
"engines": {
|
|
||||||
"node": ">= 0.6"
|
|
||||||
}
|
|
||||||
},
|
|
||||||
"node_modules/mime-types": {
|
|
||||||
"version": "2.1.35",
|
|
||||||
"resolved": "https://registry.npmjs.org/mime-types/-/mime-types-2.1.35.tgz",
|
|
||||||
"integrity": "sha512-ZDY+bPm5zTTF+YpCrAU9nK0UgICYPT0QtT1NZWFv4s++TNkcgVaT0g6+4R2uI4MjQjzysHB1zxuWL50hzaeXiw==",
|
|
||||||
"license": "MIT",
|
|
||||||
"dependencies": {
|
|
||||||
"mime-db": "1.52.0"
|
|
||||||
},
|
|
||||||
"engines": {
|
|
||||||
"node": ">= 0.6"
|
|
||||||
}
|
|
||||||
},
|
|
||||||
"node_modules/node-fetch": {
|
|
||||||
"version": "2.6.0",
|
|
||||||
"resolved": "https://registry.npmjs.org/node-fetch/-/node-fetch-2.6.0.tgz",
|
|
||||||
"integrity": "sha512-8dG4H5ujfvFiqDmVu9fQ5bOHUC15JMjMY/Zumv26oOvvVJjM67KF8koCWIabKQ1GJIa9r2mMZscBq/TbdOcmNA==",
|
|
||||||
"license": "MIT",
|
|
||||||
"engines": {
|
|
||||||
"node": "4.x || >=6.0.0"
|
|
||||||
}
|
|
||||||
},
|
|
||||||
"node_modules/node-schedule": {
|
|
||||||
"version": "2.1.1",
|
|
||||||
"resolved": "https://registry.npmjs.org/node-schedule/-/node-schedule-2.1.1.tgz",
|
|
||||||
"integrity": "sha512-OXdegQq03OmXEjt2hZP33W2YPs/E5BcFQks46+G2gAxs4gHOIVD1u7EqlYLYSKsaIpyKCK9Gbk0ta1/gjRSMRQ==",
|
|
||||||
"license": "MIT",
|
|
||||||
"dependencies": {
|
|
||||||
"cron-parser": "^4.2.0",
|
|
||||||
"long-timeout": "0.1.1",
|
|
||||||
"sorted-array-functions": "^1.3.0"
|
|
||||||
},
|
|
||||||
"engines": {
|
|
||||||
"node": ">=6"
|
|
||||||
}
|
|
||||||
},
|
|
||||||
"node_modules/proxy-from-env": {
|
|
||||||
"version": "1.1.0",
|
|
||||||
"resolved": "https://registry.npmjs.org/proxy-from-env/-/proxy-from-env-1.1.0.tgz",
|
|
||||||
"integrity": "sha512-D+zkORCbA9f1tdWRK0RaCR3GPv50cMxcrz4X8k5LTSUD1Dkw47mKJEZQNunItRTkWwgtaUSo1RVFRIG9ZXiFYg==",
|
|
||||||
"license": "MIT"
|
|
||||||
},
|
|
||||||
"node_modules/sorted-array-functions": {
|
|
||||||
"version": "1.3.0",
|
|
||||||
"resolved": "https://registry.npmjs.org/sorted-array-functions/-/sorted-array-functions-1.3.0.tgz",
|
|
||||||
"integrity": "sha512-2sqgzeFlid6N4Z2fUQ1cvFmTOLRi/sEDzSQ0OKYchqgoPmQBVyM3959qYx3fpS6Esef80KjmpgPeEr028dP3OA==",
|
|
||||||
"license": "MIT"
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
@ -1,24 +0,0 @@
|
||||||
{
|
|
||||||
"name": "chart",
|
|
||||||
"version": "1.0.0",
|
|
||||||
"main": "chart.js",
|
|
||||||
"scripts": {
|
|
||||||
"test": "echo \"Error: no test specified\" && exit 1"
|
|
||||||
},
|
|
||||||
"repository": {
|
|
||||||
"type": "git",
|
|
||||||
"url": "git+https://github.com/redume/kekkai.git"
|
|
||||||
},
|
|
||||||
"author": "Redume",
|
|
||||||
"license": "GPL-3.0-or-later",
|
|
||||||
"bugs": {
|
|
||||||
"url": "https://github.com/redume/kekkai/issues"
|
|
||||||
},
|
|
||||||
"homepage": "https://github.com/redume/kekkai#readme",
|
|
||||||
"description": "A service for creating graphs",
|
|
||||||
"dependencies": {
|
|
||||||
"axios": "^1.7.3",
|
|
||||||
"chart.js-image": "^6.1.3",
|
|
||||||
"node-schedule": "^2.1.1"
|
|
||||||
}
|
|
||||||
}
|
|
||||||
6
chart/requirements.txt
Normal file
6
chart/requirements.txt
Normal file
|
|
@ -0,0 +1,6 @@
|
||||||
|
matplotlib~=3.9.1
|
||||||
|
PyYAML~=6.0.1
|
||||||
|
uvicorn~=0.29.0
|
||||||
|
fastapi[standard]~=0.111.0
|
||||||
|
psycopg2~=2.9.9
|
||||||
|
starlette~=0.37.2
|
||||||
|
|
@ -19,7 +19,6 @@ server:
|
||||||
currency:
|
currency:
|
||||||
chart:
|
chart:
|
||||||
save: false # Enable or disable saving graphs to an image (Boolean)
|
save: false # Enable or disable saving graphs to an image (Boolean)
|
||||||
max_size: 1 #kb
|
|
||||||
collecting:
|
collecting:
|
||||||
fiat: true # Turn off or turn on the collection of the fiat currency rate [Boolean]
|
fiat: true # Turn off or turn on the collection of the fiat currency rate [Boolean]
|
||||||
crypto: false # Turn off or turn on the collection of the cryptocurrency rate [Boolean]
|
crypto: false # Turn off or turn on the collection of the cryptocurrency rate [Boolean]
|
||||||
|
|
|
||||||
|
|
@ -1,38 +0,0 @@
|
||||||
const config = require('../../shared/config/src/main.js')();
|
|
||||||
const chart = require('../../chart/chart.js');
|
|
||||||
|
|
||||||
module.exports = async function GetChartRoute(fastify) {
|
|
||||||
fastify.get('/api/getChart/', async function (req, res) {
|
|
||||||
const query = req.query;
|
|
||||||
if (!query['from_currency'] || !query['conv_currency']) {
|
|
||||||
return res.status(400).send({
|
|
||||||
status: 400,
|
|
||||||
message: 'The from_currency and conv_currency fields are required',
|
|
||||||
});
|
|
||||||
}
|
|
||||||
if (!query['start_date'] || !query['end_date'])
|
|
||||||
return res.status(400).send({
|
|
||||||
status: 400,
|
|
||||||
message: 'start_date and end_date is required',
|
|
||||||
});
|
|
||||||
|
|
||||||
const charts = await chart.gen_chart(
|
|
||||||
query['from_currency'],
|
|
||||||
query['conv_currency'],
|
|
||||||
query['start_date'],
|
|
||||||
query['end_date'],
|
|
||||||
);
|
|
||||||
|
|
||||||
if (config['currency']['chart']['save'])
|
|
||||||
chart.save_chart(
|
|
||||||
charts,
|
|
||||||
`${query['from_currency']} ${query['conv_currency']} ` +
|
|
||||||
`(${query['start_date']} - ${query['end_date']}).png`,
|
|
||||||
);
|
|
||||||
|
|
||||||
return res.status(200).send({
|
|
||||||
status: 200,
|
|
||||||
message: charts,
|
|
||||||
});
|
|
||||||
});
|
|
||||||
}
|
|
||||||
Loading…
Add table
Reference in a new issue