Latest version number query task

src/Insight/InsightWorker/Tasks/QueryLatestVersionNumber.cpp

@@ -0,0 +1,29 @@
+#include "QueryLatestVersionNumber.hpp"
+
+#include <QtNetwork/QNetworkAccessManager>
+#include <QtNetwork/QNetworkRequest>
+#include <QtNetwork/QNetworkReply>
+#include <QUrl>
+#include <QUrlQuery>
+#include <QJsonDocument>
+
+using namespace Bloom;
+
+void QueryLatestVersionNumber::run(TargetControllerConsole& targetControllerConsole) {
+    auto networkAccessManager = new QNetworkAccessManager(this);
+    auto queryVersionEndpointUrl = QUrl("http://bloom.local/latest-version");
+    queryVersionEndpointUrl.setQuery(QUrlQuery({
+        {"currentVersionNumber", this->currentVersionNumber}
+    }));
+
+    auto response = networkAccessManager->get(QNetworkRequest(queryVersionEndpointUrl));
+    this->connect(response, &QNetworkReply::finished, this, [this, response] {
+        const auto jsonResponseObject = QJsonDocument::fromJson(response->readAll()).object();
+
+        if (jsonResponseObject.contains("latestVersionNumber")) {
+            emit this->latestVersionNumberRetrieved(
+                jsonResponseObject.value("latestVersionNumber").toString()
+            );
+        }
+    });
+}

src/Insight/InsightWorker/Tasks/QueryLatestVersionNumber.hpp

@@ -0,0 +1,24 @@
+#pragma once
+
+#include "InsightWorkerTask.hpp"
+
+namespace Bloom
+{
+    class QueryLatestVersionNumber: public InsightWorkerTask
+    {
+        Q_OBJECT
+
+    public:
+        QueryLatestVersionNumber(const QString& currentVersionNumber):
+        InsightWorkerTask(), currentVersionNumber(currentVersionNumber) {}
+
+    signals:
+        void latestVersionNumberRetrieved(const QString& latestVersionNumber);
+
+    protected:
+        void run(TargetControllerConsole& targetControllerConsole) override;
+
+    private:
+        QString currentVersionNumber;
+    };
+}