private object GetDefaultValue(Report report, XmlNode node, DataSourceParameterType type)
{
string value = ReadAttributeValue(node, "DefaultValue");
if (string.IsNullOrWhiteSpace(value))
{
return(null);
}
value = ExpressionHelper.ParseExpression(report.Tenant, value, report.DataSources, ParameterHelper.GetPraParameterInfo(report));
return(DataSourceParameterHelper.CastValue(value, type));
}
private static object GetParameterValue(string name, DataSourceParameterType type, ParameterInfo info)
{
var paramter = info.Parameters.FirstOrDefault(x => x.Name.ToLower().Equals(name.Replace("@", "").ToLower()));
if (paramter != null)
{
return(DataSourceParameterHelper.CastValue(paramter.Value, type));
}
foreach (var dataSourceParameter in info.DataSourceParameters)
{
if (dataSourceParameter.Name.ToLower().Equals(name.ToLower()))
{
if (dataSourceParameter.DefaultValue != null)
{
return(dataSourceParameter.DefaultValue);
}
}
}
return(null);
}
public static object CastValue(object value, DataSourceParameterType type)
{
switch (type)
{
case DataSourceParameterType.Date:
double milliseconds = value.To <double>();
if (milliseconds > 0)
{
value = new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc)
.AddMilliseconds(milliseconds)
.ToLocalTime()
.Date
.ToString("d");
}
else
{
return(value.To <DateTime>());
}
break;
case DataSourceParameterType.Number:
return(value.To <long>());
case DataSourceParameterType.Bool:
return(value.To <bool>());
case DataSourceParameterType.Decimal:
return(value.To <decimal>());
case DataSourceParameterType.Double:
return(value.To <double>());
}
return(value);
}
private object GetAttributeValue(XmlNode node, string name, DataSourceParameterType type)
{
string value = this.ReadAttributeValue(node, name);
return(DataSourceParameterHelper.CastValue(value, type));
}
