qt: Factor out helper for getting the fingerprints of some keys

* lang/qt/src/util.h, lang/qt/src/util.cpp (toFingerprints): New.
* lang/qt/src/qgpgmerefreshsmimekeysjob.cpp: Use the helper.
--

GnuPG-bug-id: 5951

1 files changed, 14 insertions, 0 deletions

diff --git a/lang/qt/src/util.cpp b/lang/qt/src/util.cpp
index 81cdf077..66c7eedd 100644
--- a/lang/qt/src/util.cpp
+++ b/lang/qt/src/util.cpp
@@ -38,6 +38,10 @@
 #include "util.h"
 
 #include <QStringList>
+
+#include <key.h>
+
+#include <algorithm>
 #include <functional>
 
 std::vector<std::string> toStrings(const QStringList &l)
@@ -49,3 +53,13 @@ std::vector<std::string> toStrings(const QStringList &l)
                    std::mem_fn(&QString::toStdString));
     return v;
 }
+
+QStringList toFingerprints(const std::vector<GpgME::Key> &keys)
+{
+    QStringList fprs;
+    fprs.reserve(keys.size());
+    std::transform(std::begin(keys), std::end(keys), std::back_inserter(fprs), [](const auto &k) {
+        return QString::fromLatin1(k.primaryFingerprint());
+    });
+    return fprs;
+}