public bool AddMapping(string sourceColumn, string index, string entityProperty, string defaultValue = null)
{
Guard.ArgumentNotEmpty(() => sourceColumn);
var isAlreadyMapped = (entityProperty.HasValue() && _map.Any(x => x.Value.Property.IsCaseInsensitiveEqual(entityProperty)));
if (isAlreadyMapped)
{
return(false);
}
_map[CreateSourceName(sourceColumn, index)] = new ColumnMappingValue
{
Property = entityProperty,
Default = defaultValue
};
return(true);
}
private TProp GetDefaultValue <TProp>(ColumnMappingValue mapping, string columnName, TProp defaultValue, ImportResult result = null)
{
if (mapping != null && mapping.Default.HasValue())
{
try
{
return(mapping.Default.Convert <TProp>(_segmenter.Culture));
}
catch (Exception exception)
{
if (result != null)
{
var msg = "Failed to convert default value '{0}'. Please specify a convertable default value. {1}";
result.AddWarning(msg.FormatInvariant(mapping.Default, exception.Message), this.GetRowInfo(), columnName);
}
}
}
return(defaultValue);
}