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#pragma once
#include <QAbstractTableModel>
#include <QVector>
#include "types.h"
/// Table model over query results, filled in batches so a large query paints
/// its first screenful immediately.
class ThreadListModel : public QAbstractTableModel
{
Q_OBJECT
public:
enum Column {
DateColumn = 0,
AuthorsColumn,
SubjectColumn,
TagsColumn,
ColumnCount,
};
enum Role {
/// The thread id behind a row. Views hand out QModelIndexes, but the
/// worker speaks thread ids, so the mapping belongs on the model
/// rather than in every caller.
ThreadIdRole = Qt::UserRole + 1,
};
explicit ThreadListModel(QObject *parent = nullptr);
int rowCount(const QModelIndex &parent = {}) const override;
int columnCount(const QModelIndex &parent = {}) const override;
QVariant data(const QModelIndex &index, int role) const override;
QVariant headerData(int section, Qt::Orientation orientation,
int role) const override;
void appendBatch(const QVector<ThreadSummary> &batch);
void clear();
ThreadSummary threadAt(int row) const;
/// Applies a tag change locally so the UI updates before the worker
/// confirms. To revert a failed write, call again with added and removed
/// swapped.
void applyTagChange(const QString &threadId, const QStringList &added,
const QStringList &removed);
private:
QVector<ThreadSummary> m_threads;
};
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