private static string GetColumnFilter <T>(RadzenGridColumn <T> column, bool second = false)
{
var property = PropertyAccess.GetProperty(column.GetFilterProperty());
if (property.IndexOf(".") != -1)
{
property = $"({property})";
}
if (column.Type == "string" && string.IsNullOrEmpty(column.Format))
{
property = $@"({property} == null ? """" : {property})";
}
var columnFilterOperator = !second ? column.FilterOperator : column.SecondFilterOperator;
var linqOperator = FilterOperators[columnFilterOperator];
if (linqOperator == null)
{
linqOperator = "==";
}
var value = !second ? (string)Convert.ChangeType(column.FilterValue, typeof(string)) :
(string)Convert.ChangeType(column.SecondFilterValue, typeof(string));
var columnType = column.Type;
var columnFormat = column.Format;
if (columnType == "string")
{
string filterCaseSensitivityOperator = column.Grid.FilterCaseSensitivity == FilterCaseSensitivity.CaseInsensitive ? ".ToLower()" : "";
if (columnFormat == "date-time" || columnFormat == "date")
{
var dateTimeValue = DateTime.Parse(value, null, System.Globalization.DateTimeStyles.RoundtripKind);
var finalDate = dateTimeValue.TimeOfDay == TimeSpan.Zero ? dateTimeValue.Date : dateTimeValue;
var dateFormat = dateTimeValue.TimeOfDay == TimeSpan.Zero ? "yyyy-MM-dd" : "yyyy-MM-ddTHH:mm:ssZ";
return($@"{property} {linqOperator} DateTime(""{finalDate.ToString(dateFormat)}"")");
}
else if (columnFormat == "time")
{
return($"{property} {linqOperator} duration'{value}'");
}
else if (columnFormat == "uuid")
{
return($@"{property} {linqOperator} Guid(""{value}"")");
}
else if (!string.IsNullOrEmpty(value) && columnFilterOperator == "contains")
{
return($@"({property} == null ? """" : {property}){filterCaseSensitivityOperator}.Contains(""{value}""{filterCaseSensitivityOperator})");
}
else if (!string.IsNullOrEmpty(value) && columnFilterOperator == "startswith")
{
return($@"({property} == null ? """" : {property}){filterCaseSensitivityOperator}.StartsWith(""{value}""{filterCaseSensitivityOperator})");
}
else if (!string.IsNullOrEmpty(value) && columnFilterOperator == "endswith")
{
return($@"({property} == null ? """" : {property}){filterCaseSensitivityOperator}.EndsWith(""{value}""{filterCaseSensitivityOperator})");
}
else if (!string.IsNullOrEmpty(value) && columnFilterOperator == "eq")
{
return($@"{property} == null ? """" : {property}{filterCaseSensitivityOperator} == {value}{filterCaseSensitivityOperator}");
}
}
else if (columnType == "number" || columnType == "integer")
{
return($"{property} {linqOperator} {value}");
}
else if (columnType == "boolean")
{
return($"{property} == {value}");
}
return("");
}
private static string GetColumnODataFilter <T>(RadzenGridColumn <T> column, bool second = false)
{
var columnType = column.Type;
var columnFormat = column.Format;
var property = column.GetFilterProperty().Replace('.', '/');
var columnFilterOperator = !second ? column.FilterOperator : column.SecondFilterOperator;
var value = !second ? (string)Convert.ChangeType(column.FilterValue, typeof(string)) :
(string)Convert.ChangeType(column.SecondFilterValue, typeof(string));
if (column.Grid.FilterCaseSensitivity == FilterCaseSensitivity.CaseInsensitive && columnType == "string" && string.IsNullOrEmpty(columnFormat))
{
property = $"tolower({property})";
}
if (columnType == "string")
{
if (columnFormat == "date-time" || columnFormat == "date")
{
return($"{property} {columnFilterOperator} {DateTime.Parse(value, null, System.Globalization.DateTimeStyles.RoundtripKind).ToString("yyyy-MM-ddTHH:mm:ss.fffZ")}");
}
else if (columnFormat == "time")
{
return($"{property} {columnFilterOperator} duration'{value}'");
}
else if (columnFormat == "uuid")
{
return($"{property} {columnFilterOperator} {value}");
}
else if (!string.IsNullOrEmpty(value) && columnFilterOperator == "contains")
{
return(column.Grid.FilterCaseSensitivity == FilterCaseSensitivity.CaseInsensitive ?
$"contains({property}, tolower('{value}'))" :
$"contains({property}, '{value}')");
}
else if (!string.IsNullOrEmpty(value) && columnFilterOperator == "startswith")
{
return(column.Grid.FilterCaseSensitivity == FilterCaseSensitivity.CaseInsensitive ?
$"startswith({property}, tolower('{value}'))" :
$"startswith({property}, '{value}')");
}
else if (!string.IsNullOrEmpty(value) && columnFilterOperator == "endswith")
{
return(column.Grid.FilterCaseSensitivity == FilterCaseSensitivity.CaseInsensitive ?
$"endswith({property}, tolower('{value}'))" :
$"endswith({property}, '{value}')");
}
else if (!string.IsNullOrEmpty(value) && columnFilterOperator == "eq")
{
return($"{property} eq {value}");
}
}
else if (columnType == "number" || columnType == "integer")
{
return($"{property} {columnFilterOperator} {value}");
}
else if (columnType == "boolean")
{
return($"{property} eq {value.ToLower()}");
}
return("");
}