private DiffResult GetDiffResult(Difference diff)
{
DiffResult result = new DiffResult();
if (diff == null)
{
result.Type = DiffResultType.EntryDoesNotExists;
}
else if (!diff.DataItems.Any(di => di.Side == DiffItemSide.Left))
{
result.Type = DiffResultType.LeftSideMissing;
}
else if (!diff.DataItems.Any(di => di.Side == DiffItemSide.Right))
{
result.Type = DiffResultType.RightSideMissing;
}
else
{
byte[] leftItem = Convert.FromBase64String(
diff.DataItems.First(di => di.Side == DiffItemSide.Left).Data);
byte[] rightItem = Convert.FromBase64String(
diff.DataItems.First(di => di.Side == DiffItemSide.Right).Data);
if (leftItem.SequenceEqual(rightItem))
{
result.Type = DiffResultType.FullMatch;
}
else if (leftItem.Length == rightItem.Length)
{
int binaryLength = leftItem.Length * 8; // Gets total count of bits.
result.Type = DiffResultType.SizeMatch;
result.Diffs = GetDiffInfoCollection(
NumericHelper.CreateBigInt(leftItem),
NumericHelper.CreateBigInt(rightItem),
binaryLength);
}
else
{
result.Type = DiffResultType.SizeMismatch;
}
}
return(result);
}