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-rw-r--r--src/mainwindow.cpp22
-rw-r--r--src/notmuchworker.cpp49
-rw-r--r--src/notmuchworker.h15
3 files changed, 86 insertions, 0 deletions
diff --git a/src/mainwindow.cpp b/src/mainwindow.cpp
index ec43b3c..a09a572 100644
--- a/src/mainwindow.cpp
+++ b/src/mainwindow.cpp
@@ -2589,6 +2589,20 @@ void MainWindow::wireWorker()
connect(m_worker, &NotmuchWorker::messageCountsReady,
this, &MainWindow::onRuleCountsReady);
+ // Sender counts feed the business-senders candidate list after a sync.
+ // The connection is queued, so the QHash argument must be a registered
+ // metatype; notmuchworker.cpp registers it beside SortOrder.
+ connect(m_worker, &NotmuchWorker::senderCountsReady, this,
+ [this](const QHash<QString, int> &counts) {
+ // Never applies anything: appendCandidates writes commented
+ // lines only, so nothing on screen changes until the user
+ // uncomments one. The list is then reloaded so an entry they
+ // uncommented by hand takes effect without a restart.
+ BusinessSenders::appendCandidates(
+ BusinessSenders::defaultPath(), counts);
+ loadBusinessSenders();
+ });
+
// The rules dialog is the only consumer, and it may have been closed while
// the scan was in flight. No generation counter: the tree on disk does not
// change under a query, so a late answer is still the right one.
@@ -4351,6 +4365,14 @@ void MainWindow::onSyncFinished(bool success, int exitCode)
refreshCurrentQuery();
// A sync is the usual way new tags enter the database.
requestAllTags();
+
+ // Propose new business-sender candidates from the mail this sync
+ // delivered. Scoped by scanQuery: a week of mail once the file
+ // exists, everything on the first run.
+ QMetaObject::invokeMethod(
+ m_worker, "countSenders", Qt::QueuedConnection,
+ Q_ARG(QString,
+ BusinessSenders::scanQuery(BusinessSenders::defaultPath())));
} else if (exitCode == kSyncSkippedExitCode) {
// Skipped means the lock was never ours: some other run holds it. If
// both started inside the same poll interval the monitor will have
diff --git a/src/notmuchworker.cpp b/src/notmuchworker.cpp
index 28834df..3de79e1 100644
--- a/src/notmuchworker.cpp
+++ b/src/notmuchworker.cpp
@@ -321,10 +321,19 @@ QString folderOfMessageFile(const QString &root, const QString &filePath)
static const int kSortOrderMetaType =
qRegisterMetaType<NotmuchWorker::SortOrder>("NotmuchWorker::SortOrder");
+/// The same registration for the sender-count map. The QHash crosses the
+/// queued senderCountsReady connection from the worker thread to the UI, and
+/// an unregistered type is dropped there with a warning, exactly like
+/// SortOrder above. Registered with the name invokeMethod/moc resolve, so a
+/// caller that never builds a worker still gets the type.
+static const int kSenderCountsMetaType =
+ qRegisterMetaType<QHash<QString, int>>("QHash<QString,int>");
+
NotmuchWorker::NotmuchWorker(const QString &notmuchConfigPath, QObject *parent)
: QObject(parent), m_configPath(notmuchConfigPath)
{
Q_UNUSED(kSortOrderMetaType);
+ Q_UNUSED(kSenderCountsMetaType);
}
NotmuchWorker::~NotmuchWorker()
@@ -1381,6 +1390,46 @@ void NotmuchWorker::requestMessageCounts(const QStringList &queries,
emit messageCountsReady(counts, generation);
}
+void NotmuchWorker::countSenders(const QString &query)
+{
+ if (!openReadOnly()) {
+ // Answered anyway, with an empty map, so the sync path that asked is
+ // not left waiting on a signal it can never receive.
+ emit senderCountsReady({});
+ return;
+ }
+
+ QHash<QString, int> counts;
+ NmQuery nmQuery(notmuch_query_create(m_db, query.toUtf8().constData()));
+ if (!nmQuery) {
+ emit senderCountsReady(counts);
+ return;
+ }
+
+ notmuch_messages_t *raw = nullptr;
+ if (notmuch_query_search_messages(nmQuery.get(), &raw)
+ != NOTMUCH_STATUS_SUCCESS) {
+ emit senderCountsReady(counts);
+ return;
+ }
+
+ NmMessages messages(raw);
+ for (; notmuch_messages_valid(messages.get());
+ notmuch_messages_move_to_next(messages.get())) {
+ notmuch_message_t *message = notmuch_messages_get(messages.get());
+ if (!message)
+ continue;
+ // The BARE address, lower-cased, because that is the key
+ // BusinessSenders matches on: a display name would defeat the
+ // bulk-sender guess and a mixed-case key would duplicate one sender.
+ const QString sender = senderAddressOf(message);
+ if (!sender.isEmpty())
+ counts[sender.toLower()] += 1;
+ }
+
+ emit senderCountsReady(counts);
+}
+
void NotmuchWorker::requestMailRoot()
{
if (!openReadOnly()) {
diff --git a/src/notmuchworker.h b/src/notmuchworker.h
index 2efddaa..77b14ec 100644
--- a/src/notmuchworker.h
+++ b/src/notmuchworker.h
@@ -18,6 +18,7 @@
#pragma once
+#include <QHash>
#include <QMap>
#include <QObject>
#include <QStringList>
@@ -281,6 +282,16 @@ public slots:
/// root does not change while the application runs.
void requestMailRoot();
+ /// Counts messages per sender address over `query`.
+ ///
+ /// Index-served, so it is cheap: measured 2026-08-26 on the developer's
+ /// database, 1322 distinct senders in 12 ms over 5105 messages. It does
+ /// NOT touch m_generation, which is the QUERY generation: bumping it would
+ /// discard a thread load in flight and blank the message pane because the
+ /// user synced. Item 169, following the same rule requestMessageCounts
+ /// already follows.
+ void countSenders(const QString &query);
+
signals:
void threadsReady(const QVector<ThreadSummary> &threads, quint64 generation);
void queryFinished(int totalThreads, quint64 generation);
@@ -356,6 +367,10 @@ signals:
/// treat as "cannot compose a path yet" rather than as the root being "".
void mailRootReady(const QString &mailRoot);
+ /// One sender per entry, lower-cased, with how many messages over `query`
+ /// came from it. The candidate list for the business-senders file.
+ void senderCountsReady(const QHash<QString, int> &counts);
+
void errorOccurred(const QString &message);
private: