public ODataQuery Parse(Uri query)
{
var result = new ODataQuery();
var queryString = Uri.UnescapeDataString(query.Query);
//var matches = Regex.Matches(queryString, @"[?&]([^=]+)=([^&]+)").Cast<Match>();
var matches = Regex.Matches(queryString, @"[?&]([^=&]+)(?:=([^&]+))?").Cast <Match>();
foreach (var match in matches)
{
var groups = match.Groups.Cast <Group>().Skip(1).ToList();
var parameterName = groups[0].Value;
var parameterValue = groups[1].Value;
var queryPartType = parameterName.GetFromUrlParameterName();
var parsedPart = _strategy.Parse(queryPartType, parameterValue);
switch (queryPartType)
{
case ODataQueryPartType.Count:
result.CountPredicate = (CountQueryPart)parsedPart;
break;
case ODataQueryPartType.Expand:
result.ExpandPredicate = (ExpandQueryPart)parsedPart;
break;
case ODataQueryPartType.Filter:
result.FilterPredicate = (FilterQueryPart)parsedPart;
break;
case ODataQueryPartType.Format:
result.FormatPredicate = (FormatQueryPart)parsedPart;
break;
case ODataQueryPartType.InlineCount:
result.InlineCountPredicate = (InlineCountQueryPart)parsedPart;
break;
case ODataQueryPartType.OrderBy:
result.OrderByPredicate = (OrderByQueryPart)parsedPart;
break;
case ODataQueryPartType.Select:
result.SelectPredicate = (SelectQueryPart)parsedPart;
break;
case ODataQueryPartType.Skip:
result.SkipPredicate = (SkipQueryPart)parsedPart;
break;
case ODataQueryPartType.SkipToken:
result.SkipTokenPredicate = (SkipTokenQueryPart)parsedPart;
break;
case ODataQueryPartType.Top:
result.TopPredicate = (TopQueryPart)parsedPart;
break;
default:
throw new ArgumentOutOfRangeException();
}
}
return(result);
}
public void Parse_IncorrectType_ThrowsArgumentException()
{
Assert.That(() => _strategy.Parse(ODataQueryPartType.Ordering, ""), Throws.ArgumentException);
}
public void BuildExpression_TestBooleanEqualsFalse_ReturnsTwoResults()
{
var type = typeof(TestModel);
var filter = _parser.Parse(ODataQueryPartType.Filter, "TestBoolean eq False") as FilterQueryPart;
var expr = _filterExpressionBuilder.BuildExpression(type, filter.FilterExpression);
var lambda = (Func <TestModel, bool>)expr.Compile();
var result = _source.Where(lambda).ToList();
Assert.That(result.Count, Is.EqualTo(2));
}