/// <summary>
/// Converts a collection of data into a list of query rows
/// </summary>
/// <typeparam name="T">The data type</typeparam>
/// <param name="data">The data to convert</param>
/// <returns>A list of query rows</returns>
protected virtual List <QueryRow> ConvertToRows <T>
(
IEnumerable <T> data
)
{
var localeConfiguration = this.DataSource.LocaleConfiguration;
var rows = new List <QueryRow>();
var entityType = typeof(T);
foreach (var item in data)
{
var cells = new List <QueryCell>();
foreach (var info in this.Columns)
{
var property = entityType.GetProperty
(
info.Column.Name
);
var propertyValue = property?.GetValue
(
item
);
var transformer = CulturalTransformerFactory.GetInstance
(
propertyValue
);
propertyValue = transformer.Transform
(
propertyValue,
localeConfiguration
);
cells.Add
(
new QueryCell
(
info.Column,
propertyValue
)
);
}
rows.Add
(
new QueryRow
(
cells.ToArray()
)
);
}
return(rows);
}
/// <summary>
/// Converts the results of a data reader to a collection of query rows
/// </summary>
/// <param name="reader">The data reader</param>
/// <param name="queryColumns">The query columns</param>
/// <returns>A collection of query rows</returns>
public static IEnumerable <QueryRow> ToQueryRows
(
this SqlDataReader reader,
ILocaleConfiguration localeConfiguration,
params QueryColumnInfo[] queryColumns
)
{
Validate.IsNotNull(localeConfiguration);
var rows = new List <QueryRow>();
if (reader.HasRows)
{
var columnSchemas = queryColumns.Select
(
info => info.Column
);
while (reader.Read())
{
var cells = new List <QueryCell>();
for (var i = 0; i < reader.FieldCount; i++)
{
var fieldName = reader.GetName(i);
var fieldValue = reader.GetValue(i);
var transformer = CulturalTransformerFactory.GetInstance
(
fieldValue
);
fieldValue = transformer.Transform
(
fieldValue,
localeConfiguration
);
var columnSchema = columnSchemas.FirstOrDefault
(
c => c.Name.Equals(fieldName, StringComparison.OrdinalIgnoreCase)
);
if (columnSchema == null)
{
throw new InvalidOperationException
(
$"The field name '{fieldName}' was not expected."
);
}
cells.Add
(
new QueryCell
(
columnSchema,
fieldValue
)
);
}
}
}
return(rows);
}
