fix(QClipboardProxy): use more reliable clipboard/DND checks

- getFileSize: NIM version would crash on non-existing or remote files
- isValidImageUrl: properly detect file extensions when the URL contains
a query (eg "file.jpeg?width=1000&height=600")

src/app/global/utils.nim

@@ -76,16 +76,6 @@ QtObject:
   proc generateAlias*(self: Utils, pk: string): string {.slot.} =
     return generateAliasFromPk(pk)
 
-  proc getFileSize*(self: Utils, filename: string): string {.slot.} =
-    var f: File = nil
-    if f.open(self.formatImagePath(filename)):
-      try:
-        result = $(f.getFileSize())
-      finally:
-        close(f)
-    else:
-      raise newException(IOError, "cannot open: " & filename)
-
   proc readTextFile*(self: Utils, filepath: string): string {.slot.} =
     try:
       return readFile(filepath)

ui/StatusQ/include/StatusQ/QClipboardProxy.h

@@ -52,6 +52,9 @@ public:
         return new QClipboardProxy;
     }
 
+    Q_INVOKABLE bool isValidImageUrl(const QUrl &url, const QStringList &acceptedExtensions) const;
+    Q_INVOKABLE qint64 getFileSize(const QUrl &url) const;
+
 signals:
     void contentChanged();
 };

ui/StatusQ/src/QClipboardProxy.cpp

@@ -6,6 +6,9 @@
 #include <QImage>
 #include <QMimeData>
 #include <QUrl>
+#include <QFile>
+
+#include <algorithm>
 
 QClipboardProxy::QClipboardProxy()
     : m_clipboard(QGuiApplication::clipboard())
@@ -67,3 +70,19 @@ QList<QUrl> QClipboardProxy::urls() const
 {
     return m_clipboard->mimeData()->urls();
 }
+
+bool QClipboardProxy::isValidImageUrl(const QUrl& url, const QStringList& acceptedExtensions) const
+{
+    const auto strippedUrl = url.url(QUrl::RemoveAuthority | QUrl::RemoveFragment | QUrl::RemoveQuery);
+    return std::any_of(acceptedExtensions.constBegin(), acceptedExtensions.constEnd(), [strippedUrl](const auto & ext) {
+        return strippedUrl.endsWith(ext);
+    });
+}
+
+qint64 QClipboardProxy::getFileSize(const QUrl& url) const
+{
+    if (url.isLocalFile()) {
+        return QFile(url.toLocalFile()).size();
+    }
+    return 0;
+}