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/*
* qtmaildir - a Qt6 mail client for notmuch-indexed Maildirs
* Copyright (C) 2026 Danilo M. <danix@danix.xyz>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#pragma once
#include <QDateTime>
#include <QMetaType>
#include <QString>
#include <QStringList>
struct ThreadSummary
{
QString threadId;
QString subject;
QString authors;
QDateTime date;
int totalCount = 0;
int matchedCount = 0;
QStringList tags;
bool isUnread() const { return tags.contains(QStringLiteral("unread")); }
bool isFlagged() const { return tags.contains(QStringLiteral("flagged")); }
bool isDeleted() const { return tags.contains(QStringLiteral("deleted")); }
bool isSpam() const { return tags.contains(QStringLiteral("spam")); }
/// notmuch applies "attachment" itself while indexing, so this needs no
/// MIME parsing and no extra worker query: the tag is already in tags.
bool hasAttachment() const
{
return tags.contains(QStringLiteral("attachment"));
}
/// True while the thread is tagged for removal. notmuch deletes nothing
/// itself: the tag marks the thread for whatever the user's sync script
/// does next, so the row has to show it is on its way out.
bool isDoomed() const { return isDeleted() || isSpam(); }
};
struct MessageRef
{
QString messageId;
QString filePath;
QStringList tags;
/// True when the message itself matched the user's query, as opposed to
/// being pulled in only because a sibling in its thread matched. Drives
/// whether it renders expanded or as a stub.
bool matched = true;
};
/// One message as a row in the thread list.
///
/// Separate from MessageRef, which exists for RENDERING a thread and carries
/// only what the message pane needs. A row has to be drawn without opening the
/// message at all, so the display facts live here.
struct MessageNode
{
QString messageId;
QString threadId; ///< The thread this message belongs to.
QString from;
QString subject;
QDateTime date;
QStringList tags;
QString filePath;
/// Reply depth within the thread. 0 is the thread's first message, which
/// occupies the ROOT row rather than a child row: the user's model is
/// "N replies", so a thread of 7 shows 1 root and 6 descendants.
int depth = 0;
bool isUnread() const { return tags.contains(QStringLiteral("unread")); }
bool isFlagged() const { return tags.contains(QStringLiteral("flagged")); }
/// notmuch applies "attachment" while indexing, so this needs no MIME
/// parsing, exactly as on ThreadSummary.
bool hasAttachment() const
{
return tags.contains(QStringLiteral("attachment"));
}
};
/// One tag mutation, kept so it can be inverted for undo.
struct TagChange
{
QStringList messageIds;
QStringList added;
QStringList removed;
QString description; ///< Shown in the undo action's text.
TagChange inverted() const
{
return TagChange{ messageIds, removed, added,
QStringLiteral("Undo %1").arg(description) };
}
};
/// Database-level facts for the Maildir overview.
///
/// Every field is -1 until answered, so a dialog opened against a database that
/// cannot be read shows "unknown" rather than a confident zero. A zero is a
/// claim, and "no mail at all" is exactly the wrong thing to tell someone whose
/// index failed to open.
struct DatabaseStats
{
int messages = -1; ///< Every message notmuch has indexed.
int threads = -1; ///< Every thread. Differs from messages by reply depth.
int tags = -1; ///< Distinct tag names in the database.
};
Q_DECLARE_METATYPE(ThreadSummary)
Q_DECLARE_METATYPE(MessageRef)
Q_DECLARE_METATYPE(MessageNode)
Q_DECLARE_METATYPE(TagChange)
Q_DECLARE_METATYPE(DatabaseStats)
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