feat(OMEMO): qxmppfactories, refactoring

shared/CMakeLists.txt

@@ -16,4 +16,6 @@ target_sources(squawk PRIVATE
   utils.h
   vcard.cpp
   vcard.h
+  qxmppfactories.cpp
+  qxmppfactories.h
   )

shared/qxmppfactories.cpp

@@ -0,0 +1,75 @@
+/*
+ * Created by victoria on 2021-05-12.
+ */
+
+#include "qxmppfactories.h"
+
+#include <QDebug>
+
+bool QXmpp::Factories::elementMatches(const QXmppElement &element,
+                                      const QString &tagName,
+                                      const QString &xmlns) {
+  if (element.tagName() != tagName) {
+    qWarning() << "tag name: expected = " << tagName
+               << ", got = " << element.tagName();
+    return false;
+  }
+
+  if (!xmlns.isEmpty() && element.attribute("xmlns") != xmlns) {
+    qWarning() << "xmlns: expected = " << xmlns
+               << ", got = " << element.attribute("xmlns");
+    return false;
+  }
+
+  return true;
+}
+
+QXmppElement QXmpp::Factories::createElement(const QString &tagName,
+                                             const QString &xmlns) {
+  QXmppElement el{};
+  el.setTagName(tagName);
+
+  if (!xmlns.isEmpty())
+    el.setAttribute("xmlns", xmlns);
+
+  return el;
+}
+
+QXmppElement QXmpp::Factories::createValue(const QString &value) {
+  auto el = createElement("value");
+  el.setValue(value);
+
+  return el;
+}
+
+QXmppElement QXmpp::Factories::createField(const QString &key,
+                                           const QString &value, bool hidden) {
+  auto field = createElement("field");
+  field.setAttribute("var", key);
+  if (hidden)
+    field.setAttribute("type", "hidden");
+  field.appendChild(createValue(value));
+
+  return field;
+}
+
+QXmppElement
+QXmpp::Factories::createOpenPublishOptions(const QString &maxItems) {
+  auto formType = createField(
+      "FORM_TYPE", "http://jabber.org/protocol/pubsub#publish-options", true);
+  auto accessModel = createField("pubsub#access_model", "open");
+
+  auto x = createElement("x", "jabber:x:data");
+  x.setAttribute("type", "submit");
+
+  x.appendChild(formType);
+  x.appendChild(accessModel);
+
+  if (!maxItems.isEmpty())
+    x.appendChild(createField("pubsub#max_items", maxItems));
+
+  auto publishOptions = createElement("publish-options");
+  publishOptions.appendChild(x);
+
+  return publishOptions;
+}

shared/qxmppfactories.h

@@ -0,0 +1,25 @@
+/*
+ * Created by victoria on 2021-05-12.
+ */
+
+#pragma once
+
+#include <QXmppElement.h>
+
+namespace QXmpp::Factories {
+
+bool elementMatches(const QXmppElement &element, const QString &tagName,
+                    const QString &xmlns = QStringLiteral(""));
+
+QXmppElement createElement(const QString &tagName,
+                           const QString &xmlns = QStringLiteral(""));
+
+QXmppElement createValue(const QString &value);
+
+QXmppElement createField(const QString &key, const QString &value,
+                         bool hidden = false);
+
+QXmppElement
+createOpenPublishOptions(const QString &maxItems = QStringLiteral(""));
+
+} // namespace QXmpp::Factories