136 lines
4.0 KiB
C++
136 lines
4.0 KiB
C++
#include "FileHelper.h"
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#include <QDir>
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#include <QApplication>
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#include <QDebug>
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#include <QJsonDocument>
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#include <QJsonObject>
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#include <QJsonArray>
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#include <QFile>
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const QString kConfigName = "/config.json";
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const QString kResouce = "/resouce";
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constexpr qint16 kDefualtPort = 9527;
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QStringList FileHelper::GetAllMediaFiles(const QString& path, bool* success) {
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QDir dir(path);
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if (!dir.exists()) {
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if (success) { *success = false; }
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return QStringList();
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}
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QStringList nameFilters;
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nameFilters << "*.png" << "*.jpg" << "*.jpeg" << "*.gif" << "*.bmp"
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<< "*.mp4" << "*.avi" << "*.mkv" << "*.mov" << "*.wmv";
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QStringList files = dir.entryList(nameFilters, QDir::Files);
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if (success) { *success = true; }
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return files;
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}
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bool FileHelper::GeneratJsonConfig() {
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QString resourcePath = GetResoucePath();
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bool success = false;
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QStringList mediaFiles = GetAllMediaFiles(resourcePath, &success);
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if (!success) {
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qDebug() << "GetAllMediaFiles failes";
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return false;
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}
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QJsonArray jsonArray;
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qint32 index = 0;
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for (const auto& path : mediaFiles) {
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QJsonObject jsonObject;
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jsonObject["index"] = index++;
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jsonObject["path"] = path;
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jsonArray.append(jsonObject);
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}
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QJsonObject jsonObject;
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jsonObject["data"] = jsonArray;
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jsonObject["port"] = kDefualtPort;
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// 创建 JSON 文档
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const QString configPath = QApplication::applicationDirPath() + kConfigName;
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QFile outputFile(configPath);
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if (outputFile.open(QIODevice::WriteOnly)) {
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QJsonDocument jsonDocument(jsonObject);
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outputFile.write(jsonDocument.toJson());
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outputFile.close();
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qDebug() << "JSON file saved at:" << configPath;
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return true;
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}
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else {
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qDebug() << "Failed to open file for writing. path=" << configPath;
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}
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return false;
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}
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bool FileHelper::GetItemFromJsonConfig(qint16& port, QMap<qint32, QString>* items) {
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if (nullptr == items) {
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qDebug() << "items is nullptr";
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return false;
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}
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const QString configPath = QApplication::applicationDirPath() + kConfigName;
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QFile inputFile(configPath);
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if (!inputFile.open(QIODevice::ReadOnly))
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{
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qDebug() << "Failed to open file for reading. config=" << configPath;
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return false;
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}
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// 读取文件内容并关闭文件
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QByteArray fileData = inputFile.readAll();
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inputFile.close();
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// 解析 JSON 数据
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QJsonParseError jsonError;
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QJsonDocument jsonDocument = QJsonDocument::fromJson(fileData, &jsonError);
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if (jsonError.error != QJsonParseError::NoError)
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{
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qDebug() << "Failed to parse JSON data:" << jsonError.errorString() << " config=" << configPath;
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return false;
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}
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// 将 JSON 数据转换为 JSON 对象
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QJsonObject jsonObject = jsonDocument.object();
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if (jsonObject.contains("port") && jsonObject["port"].isDouble()) {
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port = jsonObject["port"].toInt();
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}
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else {
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port = kDefualtPort;
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}
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if (!jsonObject.contains("data") || !jsonObject["data"].isArray()) {
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qDebug() << "Failed to parse JSON not find key of data, or data value is not array config=" << configPath;
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return false;
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}
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QJsonArray jsonArray = jsonObject["data"].toArray();
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for (qint32 i = 0; i < jsonArray.size(); ++i) {
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if (!jsonArray.at(i).isObject()) {
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qDebug() << "jsonArray is not object config=" << configPath;
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continue;
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}
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QJsonObject item = jsonArray.at(i).toObject();
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if (!item.contains("index") || !item["index"].isDouble() ||
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!item.contains("path") || !item["path"].isString()) {
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qDebug() << "not find index / path in item config config=" << configPath;
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continue;
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}
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items->insert(item["index"].toInt(), item["path"].toString());
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}
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return true;
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}
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QString FileHelper::GetResoucePath() {
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const QString configPath = QApplication::applicationDirPath() + kResouce;
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return configPath;
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}
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