/// <summary>
/// Process each element from <see cref="Elements"/>.
/// </summary>
/// <param name="context">Context for processing elements.</param>
public void Process(ColumnValuesIteratorContext context)
{
foreach (var element in Elements)
{
element.Process(context);
}
}
protected override object InternalTryBoxValue(ColumnValue columnValue,
ColumnValuesIteratorContext context)
{
if (bool.TryParse(columnValue.Value?.ToString(), out var boolValue))
{
return(boolValue);
}
return(null);
}
protected override object InternalTryBoxValue(ColumnValue columnValue,
ColumnValuesIteratorContext context)
{
if (Guid.TryParse(columnValue.Value?.ToString(), out var guidValue) && !Guid.Empty.Equals(guidValue))
{
return(guidValue);
}
return(null);
}
public object TryBoxValue(ColumnValue columnValue, ColumnValuesIteratorContext context)
{
if (CanProcess(columnValue, context))
{
return(InternalTryBoxValue(columnValue, context));
}
if (Next != null)
{
return(Next.TryBoxValue(columnValue, context));
}
return(null);
}
protected override object InternalTryBoxValue(ColumnValue columnValue,
ColumnValuesIteratorContext context)
{
if (!DateTime.TryParse(columnValue.Value?.ToString(), out var dateTimeValue) ||
dateTimeValue.Equals(DateTime.MinValue))
{
return(null);
}
if (columnValue.DataValueType is DateTimeDataValueType dateTimeType)
{
return(GetValueForDateTimeDataValueType(dateTimeValue, dateTimeType.Kind, context.TimeZoneOffset));
}
return(dateTimeValue);
}
/// <summary>
/// Deserializes column values from string to typed value boxing in object.
/// </summary>
/// <param name="context">Context for processing elements.</param>
public override void Process(ColumnValuesIteratorContext context)
{
foreach (var columnValue in context.ColumnValues)
{
if (columnValue.HasMacrosValue)
{
continue;
}
var boxedResult = Deserializers.TryBoxValue(columnValue, context);
var result = new ColumnValueResult(columnValue.ColumnUId)
{
Value = boxedResult
};
context.Results.Add(columnValue.ColumnUId, result);
}
}
/// <summary>
/// Replaces macro with value in columns.
/// </summary>
/// <param name="context"></param>
public override void Process(ColumnValuesIteratorContext context)
{
if (!context.MacrosValues.Any())
{
return;
}
var columnValues = context.ColumnValues.Where(c => c.HasMacrosValue && !c.IsTextColumn);
foreach (var columnValue in columnValues)
{
var result = new ColumnValueResult(columnValue.ColumnUId);
if (!string.IsNullOrWhiteSpace(columnValue.Value?.ToString()))
{
var macroValue = context.MacrosValues
.FirstOrDefault(x => x.Alias == columnValue.Value.ToString()).Value;
result.Value = macroValue;
}
context.Results.Add(columnValue.ColumnUId, result);
}
}
/// <summary>
/// Replaces macros with values in columns.
/// </summary>
/// <param name="context"></param>
public override void Process(ColumnValuesIteratorContext context)
{
if (!context.MacrosValues.Any())
{
return;
}
var columnValues = context.ColumnValues.Where(c => c.HasMacrosValue && c.IsTextColumn);
foreach (var columnValue in columnValues)
{
var result = new ColumnValueResult(columnValue.ColumnUId);
if (!string.IsNullOrWhiteSpace(columnValue.Value?.ToString()))
{
var stringBuilder = new StringBuilder(columnValue.Value.ToString());
context.MacrosValues
.ForEach(macro => {
stringBuilder.Replace(macro.Alias, macro.StringValue);
});
result.Value = stringBuilder.ToString();
}
context.Results.Add(columnValue.ColumnUId, result);
}
}
protected override bool CanProcess(ColumnValue columnValue, ColumnValuesIteratorContext context) => columnValue.IsDateTimeColumn;
protected abstract object InternalTryBoxValue(ColumnValue columnValue, ColumnValuesIteratorContext context);
protected virtual bool CanProcess(ColumnValue columnValue, ColumnValuesIteratorContext context) => false;
protected override object InternalTryBoxValue(ColumnValue columnValue, ColumnValuesIteratorContext context) => columnValue.Value?.ToString();
