Add purpose plugin

Implements #182

src/purpose/CMakeLists.txt

@@ -0,0 +1,9 @@
+# SPDX-FileCopyrightText: 2024 Tobias Fella <tobias.fella@kde.org>
+# SPDX-License-Identifier: BSD-2-Clause
+
+kcoreaddons_add_plugin(neochatplugin SOURCES purposeplugin.cpp INSTALL_NAMESPACE "kf6/purpose")
+target_link_libraries(neochatplugin
+    Qt::DBus
+    KF6::Purpose
+    KF6::KIOGui
+)

src/purpose/purposeplugin.cpp

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+// SPDX-FileCopyrightText: 2024 Tobias Fella <tobias.fella@kde.org>
+// SPDX-License-Identifier: LGPL-2.1-or-later
+
+#include <KIO/CommandLauncherJob>
+#include <KPluginFactory>
+#include <Purpose/PluginBase>
+
+class NeoChatJob : public Purpose::Job
+{
+    Q_OBJECT
+public:
+    explicit NeoChatJob(QObject *parent)
+        : Purpose::Job(parent)
+    {
+    }
+
+    QStringList arrayToList(const QJsonArray &array)
+    {
+        QStringList ret;
+        for (const auto &val : array) {
+            ret += val.toString();
+        }
+        return ret;
+    }
+
+    void start() override
+    {
+        const QJsonArray urlsJson = data().value(QStringLiteral("urls")).toArray();
+        const QString title = data().value(QStringLiteral("title")).toString();
+        const QString message = QStringLiteral("%1 - %2").arg(title, arrayToList(urlsJson).join(QLatin1Char(' ')));
+
+        auto *job = new KIO::CommandLauncherJob(QStringLiteral("neochat"), {QStringLiteral("--share"), message});
+        connect(job, &KJob::finished, this, &NeoChatJob::emitResult);
+        job->start();
+    }
+};
+
+class Q_DECL_EXPORT PurposePlugin : public Purpose::PluginBase
+{
+    Q_OBJECT
+public:
+    PurposePlugin(QObject *p, const QVariantList &)
+        : Purpose::PluginBase(p)
+    {
+    }
+
+    Purpose::Job *createJob() const override
+    {
+        return new NeoChatJob(nullptr);
+    }
+};
+
+K_PLUGIN_CLASS_WITH_JSON(PurposePlugin, "purposeplugin.json")
+
+#include "purposeplugin.moc"

src/purpose/purposeplugin.json

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+{
+    "KPlugin": {
+        "Authors": [
+            {
+                "Name": "Tobias Fella"
+            }
+        ],
+        "Category": "Utilities",
+        "Description": "Share via NeoChat",
+        "Icon": "org.kde.neochat",
+        "License": "GPL",
+        "Name": "NeoChat",
+        "X-Purpose-ActionDisplay": "NeoChat"
+    },
+    "X-Purpose-PluginTypes": [
+        "ShareUrl"
+    ]
+}