Add support for working with multiple entry attachments at once

src/core/EntryAttachments.cpp

@@ -17,6 +17,8 @@
 
 #include "EntryAttachments.h"
 
+#include <QStringList>
+
 EntryAttachments::EntryAttachments(QObject* parent)
     : QObject(parent)
 {
@@ -71,7 +73,8 @@ void EntryAttachments::set(const QString& key, const QByteArray& value)
 void EntryAttachments::remove(const QString& key)
 {
     if (!m_attachments.contains(key)) {
-        Q_ASSERT(false);
+        Q_ASSERT_X(false, "EntryAttachments::remove",
+                   qPrintable(QString("Can't find attachment for key %1").arg(key)));
         return;
     }
 
@@ -83,6 +86,31 @@ void EntryAttachments::remove(const QString& key)
     emit modified();
 }
 
+void EntryAttachments::remove(const QStringList &keys)
+{
+    if (keys.isEmpty()) {
+        return;
+    }
+
+    bool isModified = false;
+    for (const QString &key: keys) {
+        if (!m_attachments.contains(key)) {
+            Q_ASSERT_X(false, "EntryAttachments::remove",
+                       qPrintable(QString("Can't find attachment for key %1").arg(key)));
+            continue;
+        }
+
+        isModified = true;
+        emit aboutToBeRemoved(key);
+        m_attachments.remove(key);
+        emit removed(key);
+    }
+
+    if (isModified) {
+        emit modified();
+    }
+}
+
 void EntryAttachments::clear()
 {
     if (m_attachments.isEmpty()) {