public static List <KeyValuePair <int, string> > UpdateAllDuplicatesByFileExtensions(this IEnumerable <string> fileNames, IEnumerable <int> imageIds)
{
List <KeyValuePair <int, string> > filteredResults = new List <KeyValuePair <int, string> >();
var fileExtensions = fileNames.ToList().ConvertAll(i => Path.GetExtension(i));
if (fileExtensions != null && fileExtensions.Count != 0)
{
//Begin processing the collection
for (int index = 0; index <= fileNames.Count() - 1; index++)
{
string withoutExtension = Path.GetFileNameWithoutExtension(fileNames.ElementAt(index));
if (fileNames.Count(i => i.StartsWith(withoutExtension)) != 0)
{
//Here it means that there is more than one file with this name.
//Replace the file name with a new name via Guid to make it unique
filteredResults.Add(new KeyValuePair <int, string>(imageIds.ElementAt(index),
withoutExtension = $"{withoutExtension}{IntegerHelper.GenerateUniqueID()}{Path.GetExtension(fileNames.ElementAt(index))}"));
}
else //If no duplicate exists then stick to the default
{
filteredResults.Add(new KeyValuePair <int, string>(imageIds.ElementAt(index),
withoutExtension = $"{withoutExtension}{Path.GetExtension(fileNames.ElementAt(index))}"));
}
}
return(filteredResults);
}
throw new ArgumentOutOfRangeException("Could not find any specified files in this thread context");
}