IFile: expose file last modification date

src/filesystem/IFile.h

@@ -15,5 +15,6 @@ namespace fs
         /// Returns the entire path, plus filename
         virtual const std::string& fullPath() const = 0;
         virtual const std::string& extension() const = 0;
+        virtual unsigned int lastModificationDate() const = 0;
     };
 }

src/filesystem/unix/File.cpp

 #include "File.h"
 #include "Utils.h"
 
+#include <stdexcept>
+#include <sys/stat.h>
+
 namespace fs
 {
 
@@ -10,6 +13,10 @@ File::File( const std::string& path, const std::string& fileName )
     , m_fullPath( path + ( *path.rbegin() != '/' ? "/" : "" ) + fileName )
     , m_extension( utils::file::extension( fileName ) )
 {
+    struct stat s;
+    if ( lstat( m_fullPath.c_str(), &s ) )
+        throw std::runtime_error( "Failed to get file stats" );
+    m_lastModificationDate = s.st_mtim.tv_sec;
 }
 
 const std::string& File::name() const
@@ -32,4 +39,9 @@ const std::string& File::extension() const
     return m_extension;
 }
 
+unsigned int File::lastModificationDate() const
+{
+    return m_lastModificationDate;
+}
+
 }

src/filesystem/unix/File.h

@@ -17,12 +17,14 @@ public:
     virtual const std::string& path() const override;
     virtual const std::string& fullPath() const override;
     virtual const std::string& extension() const override;
+    virtual unsigned int lastModificationDate() const override;
 
 private:
     const std::string m_path;
     const std::string m_name;
     const std::string m_fullPath;
     const std::string m_extension;
+    unsigned int m_lastModificationDate;
 };
 
 }