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117 lines
3.7 KiB
117 lines
3.7 KiB
// SPDX-License-Identifier: BSD-3-Clause
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// Copyright (c) 2020-2021, The Monero Project.
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#include <QNetworkAccessManager>
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#include <iomanip>
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#include "txfiathistory.h"
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#include "utils/utils.h"
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TxFiatHistory::TxFiatHistory(int genesis_timestamp, const QString &configDirectory, QObject *parent) :
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QObject(parent),
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m_genesis_timestamp(genesis_timestamp),
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m_configDirectory(configDirectory) {
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m_databasePath = QString("%1fiatHistory.db").arg(configDirectory);
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this->loadDatabase();
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}
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double TxFiatHistory::get(int timestamp) {
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QDateTime ts;
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ts.setTime_t(timestamp);
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auto key = ts.toString("yyyyMMdd");
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return this->get(key); // USD
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}
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double TxFiatHistory::get(const QString &date) {
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if(m_database.contains(date))
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return m_database[date]; // USD
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return 0.0;
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}
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void TxFiatHistory::loadDatabase() {
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if(!Utils::fileExists(m_databasePath))
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return;
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m_database.clear();
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QString contents = Utils::barrayToString(Utils::fileOpen(m_databasePath));
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for(auto &line: contents.split("\n")){
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line = line.trimmed();
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if(line.isEmpty()) continue;
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auto spl = line.split(":");
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m_database[spl.at(0)] = spl.at(1).toDouble();
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}
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}
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void TxFiatHistory::writeDatabase() {
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QString data;
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for(const auto &line: m_database.toStdMap())
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data += QString("%1:%2\n").arg(line.first).arg(QString::number(line.second));
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Utils::fileWrite(m_databasePath, data);
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}
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void TxFiatHistory::onUpdateDatabase() {
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// update local txFiatHistory database
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if(m_initialized) return;
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QDateTime genesis;
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genesis.setTime_t(m_genesis_timestamp);
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auto genesis_date = genesis.date();
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auto now = QDate::currentDate();
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auto nowKey = now.toString("yyyyMMdd");
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int year = genesis.toString("yyyy").toInt();
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auto yearCurrent = now.year();
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// if current year is genesis year we'll refresh regardless.
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if(yearCurrent == genesis_date.year()) {
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emit requestYear(year);
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m_initialized = true;
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return;
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}
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// keep local fiatTxHistory database up to date, loop for missing dates
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for(year; year != yearCurrent + 1; year += 1){
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for(int month = 1; month != 13; month++) {
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if(year == yearCurrent && month == now.month() && now.day() == 1) break;
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QDateTime _now;
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_now.setDate(QDate(year, month, 1));
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if(_now.toSecsSinceEpoch() < m_genesis_timestamp) continue;
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if(_now.toSecsSinceEpoch() > std::time(nullptr) - 86400) continue;
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QString key = "";
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// genesis year we'll only fetch once
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if(year == genesis_date.year()){
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key = QString("%1%2%3").arg(year).arg(12).arg("31");
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if(!m_database.contains(key))
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emit requestYear(year);
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break;
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}
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auto _month = QString::number(month);
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if(_month.length() == 1)
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_month = QString("0%1").arg(_month); // how2fill
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key = QString("%1%2%3").arg(year).arg(_month).arg("01");
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if(!m_database.contains(key)){
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if(year != yearCurrent) {
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emit requestYear(year);
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break;
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} else
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emit requestYearMonth(year, month);
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} else if (year == yearCurrent && month == now.month() && !m_database.contains(nowKey))
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emit requestYearMonth(year, month);
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}
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}
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m_initialized = true;
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}
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void TxFiatHistory::onWSData(const QJsonObject &data) {
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foreach(const QString &key, data.keys()) {
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QJsonValue value = data.value(key);
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m_database[key] = value.toDouble();
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}
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this->writeDatabase();
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}
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