Move NeoChatConnection and NeoChatRoom to LibNeoChat

Move `NeoChatConnection` and `NeoChatRoom` to `LibNeoChat` along with any required dependencies.

src/libneochat/linkpreviewer.cpp

@@ -0,0 +1,116 @@
+// SPDX-FileCopyrightText: 2022 Bharadwaj Raju <bharadwaj.raju777@protonmail.com>
+// SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-or-later OR LicenseRef-KDE-Accepted-GPL
+
+#include "linkpreviewer.h"
+
+#include <Quotient/connection.h>
+#include <Quotient/csapi/authed-content-repo.h>
+#include <Quotient/csapi/content-repo.h>
+
+#include <Quotient/events/roommessageevent.h>
+
+#include "utils.h"
+
+using namespace Quotient;
+
+LinkPreviewer::LinkPreviewer(const QUrl &url, QObject *parent)
+    : QObject(parent)
+    , m_loaded(false)
+    , m_url(url)
+{
+    Q_ASSERT(dynamic_cast<Connection *>(this->parent()));
+
+    connect(this, &LinkPreviewer::urlChanged, this, &LinkPreviewer::emptyChanged);
+
+    loadUrlPreview();
+}
+
+bool LinkPreviewer::loaded() const
+{
+    return m_loaded;
+}
+
+QString LinkPreviewer::title() const
+{
+    return m_title;
+}
+
+QString LinkPreviewer::description() const
+{
+    return m_description;
+}
+
+QUrl LinkPreviewer::imageSource() const
+{
+    return m_imageSource;
+}
+
+QUrl LinkPreviewer::url() const
+{
+    return m_url;
+}
+
+void LinkPreviewer::loadUrlPreview()
+{
+    if (m_url.scheme() == u"https"_s) {
+        m_loaded = false;
+        Q_EMIT loadedChanged();
+
+        auto conn = dynamic_cast<Connection *>(this->parent());
+        if (conn == nullptr) {
+            return;
+        }
+
+        BaseJob *job = nullptr;
+        if (conn->supportedMatrixSpecVersions().contains("v1.11"_L1)) {
+            job = conn->callApi<GetUrlPreviewAuthedJob>(m_url);
+        } else {
+            QT_IGNORE_DEPRECATIONS(job = conn->callApi<GetUrlPreviewJob>(m_url);)
+        }
+
+        connect(job, &BaseJob::success, this, [this, job, conn]() {
+            const auto json = job->jsonData();
+            m_title = json["og:title"_L1].toString().trimmed();
+            m_description = json["og:description"_L1].toString().trimmed().replace("\n"_L1, " "_L1);
+
+            auto imageUrl = QUrl(json["og:image"_L1].toString());
+            if (imageUrl.isValid() && imageUrl.scheme() == u"mxc"_s) {
+                m_imageSource = conn->makeMediaUrl(imageUrl);
+            } else {
+                m_imageSource = QUrl();
+            }
+
+            m_loaded = true;
+            Q_EMIT titleChanged();
+            Q_EMIT descriptionChanged();
+            Q_EMIT imageSourceChanged();
+            Q_EMIT loadedChanged();
+        });
+    }
+}
+
+bool LinkPreviewer::empty() const
+{
+    return m_url.isEmpty();
+}
+
+QList<QUrl> LinkPreviewer::linkPreviews(QString string)
+{
+    auto data = string.remove(TextRegex::removeRichReply);
+    auto linksMatch = TextRegex::url.globalMatch(data);
+    QList<QUrl> links;
+    while (linksMatch.hasNext()) {
+        auto link = linksMatch.next().captured();
+        if (!link.contains(u"matrix.to"_s) && !links.contains(QUrl(link))) {
+            links += QUrl(link);
+        }
+    }
+    return links;
+}
+
+bool LinkPreviewer::hasPreviewableLinks(const QString &string)
+{
+    return !linkPreviews(string).isEmpty();
+}
+
+#include "moc_linkpreviewer.cpp"