From 3611666483003a98a4d237240d0d75ead743d06b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jonah=20Br=C3=BCchert?= <jbb@kaidan.im>
Date: Tue, 27 Sep 2022 23:15:32 +0200
Subject: [PATCH] Add convinience data retrieval method to
 QXmppBitsOfBinaryDataList

---
 src/base/QXmppBitsOfBinaryData.cpp   | 24 ++++++++++++++++++++++++
 src/base/QXmppBitsOfBinaryDataList.h |  3 +++
 2 files changed, 27 insertions(+)

diff --git a/src/base/QXmppBitsOfBinaryData.cpp b/src/base/QXmppBitsOfBinaryData.cpp
index 6f9226de4..88fdeee12 100644
--- a/src/base/QXmppBitsOfBinaryData.cpp
+++ b/src/base/QXmppBitsOfBinaryData.cpp
@@ -215,6 +215,30 @@ QXmppBitsOfBinaryDataList::QXmppBitsOfBinaryDataList() = default;
 QXmppBitsOfBinaryDataList::~QXmppBitsOfBinaryDataList() = default;
 
 /// \cond
+
+///
+/// \brief Finds the data for a uri
+/// \param Uri cid uri
+/// \return Data belonging to the uri
+///
+/// \since QXmpp 1.5
+///
+std::optional<QXmppBitsOfBinaryData> QXmppBitsOfBinaryDataList::forCidUri(const QString &uri) const
+{
+    auto cid = QXmppBitsOfBinaryContentId::fromCidUrl(uri);
+    const auto thumbnailData = std::find_if(begin(), end(), [&](const auto &bobBlob) {
+        return bobBlob.cid() == cid;
+    });
+
+    if (thumbnailData != end()) {
+        return *thumbnailData;
+    } else {
+        return {};
+    }
+
+    return *thumbnailData;
+}
+
 void QXmppBitsOfBinaryDataList::parse(const QDomElement &element)
 {
     // clear previous data elements
diff --git a/src/base/QXmppBitsOfBinaryDataList.h b/src/base/QXmppBitsOfBinaryDataList.h
index 671cd7fb6..fc4b5f8d8 100644
--- a/src/base/QXmppBitsOfBinaryDataList.h
+++ b/src/base/QXmppBitsOfBinaryDataList.h
@@ -8,6 +8,7 @@
 #include "QXmppBitsOfBinaryData.h"
 
 #include <QVector>
+#include <optional>
 
 class QDomElement;
 class QXmlStreamWriter;
@@ -18,6 +19,8 @@ class QXMPP_EXPORT QXmppBitsOfBinaryDataList : public QVector<QXmppBitsOfBinaryD
     QXmppBitsOfBinaryDataList();
     ~QXmppBitsOfBinaryDataList();
 
+    std::optional<QXmppBitsOfBinaryData> forCidUri(const QString &uri) const;
+
     /// \cond
     void parse(const QDomElement &element);
     void toXml(QXmlStreamWriter *writer) const;