Add user directory.

src/userdirectorylistmodel.h

@@ -0,0 +1,62 @@
+#ifndef USERDIRECTORYLISTMODEL_H
+#define USERDIRECTORYLISTMODEL_H
+
+#include <QAbstractListModel>
+#include <QObject>
+
+#include "connection.h"
+#include "csapi/users.h"
+
+using namespace Quotient;
+
+class UserDirectoryListModel : public QAbstractListModel {
+  Q_OBJECT
+  Q_PROPERTY(Connection* connection READ connection WRITE setConnection NOTIFY
+                 connectionChanged)
+  Q_PROPERTY(
+      QString keyword READ keyword WRITE setKeyword NOTIFY keywordChanged)
+  Q_PROPERTY(bool limited READ limited NOTIFY limitedChanged)
+
+ public:
+  enum EventRoles {
+    NameRole = Qt::DisplayRole + 1,
+    AvatarRole,
+    UserIDRole,
+    DirectChatsRole,
+  };
+
+  UserDirectoryListModel(QObject* parent = nullptr);
+
+  QVariant data(const QModelIndex& index, int role = NameRole) const override;
+  int rowCount(const QModelIndex& parent = QModelIndex()) const override;
+
+  QHash<int, QByteArray> roleNames() const override;
+
+  Connection* connection() const { return m_connection; }
+  void setConnection(Connection* value);
+
+  QString keyword() const { return m_keyword; }
+  void setKeyword(const QString& value);
+
+  bool limited() const { return m_limited; }
+
+  Q_INVOKABLE void search(int count = 50);
+
+ private:
+  Connection* m_connection = nullptr;
+  QString m_keyword;
+  bool m_limited = false;
+
+  bool attempted = false;
+
+  QVector<SearchUserDirectoryJob::User> users;
+
+  SearchUserDirectoryJob* job = nullptr;
+
+ signals:
+  void connectionChanged();
+  void keywordChanged();
+  void limitedChanged();
+};
+
+#endif  // USERDIRECTORYLISTMODEL_H