Method processExampleProjects

src/frontend/welcomescreen/WelcomeScreenHelper.cpp:238–272

* @brief Processes metadata file containing example projects. */

 * @brief Processes metadata file containing example projects.
 */
void WelcomeScreenHelper::processExampleProjects() {
	const QString filePath = QStandardPaths::locate(QStandardPaths::AppDataLocation, "example_projects/example_projects.json");
	QFile file(filePath);

	if (file.open(QIODevice::ReadOnly)) {
		QJsonDocument document = QJsonDocument::fromJson(file.readAll());
		QJsonArray exampleArray = document.array();

		// processing examples
		for (int i = 0; i < exampleArray.size(); ++i) {
			const QJsonObject currentExample = exampleArray[i].toObject();

			const QString exampleName = currentExample.value("name").toString();
			if (m_projectNameList.contains(exampleName)) {
				qDebug() << "There is already an example file with this name";
			} else {
				m_projectNameList.append(exampleName);
				const QString exampleFile = currentExample.value("fileName").toString();
				m_pathMap[exampleName] = exampleFile;

				// processing tags
				const QJsonArray tags = currentExample.value("tags").toArray();
				for (int j = 0; j < tags.size(); ++j) {
					QString tagName = tags[j].toString();
					m_tagMap[tagName].append(exampleName);
					m_datasetTag[exampleName].append(tagName);
				}
			}
		}

		file.close();
	} else {
		qDebug("Couldn't open dataset category file");
	}
}

/**
 * @brief Returns in string format the thumbnail for the given example file