public static ExcelElement <Column>[] GetHeaders(this ExcelElement <Row> row)
{
if (row.IsEmpty())
{
return(Array.Empty <ExcelElement <Column> >());
}
var cells = row.GetRowCells();
var headers = cells.Select(cell => new ExcelElement <Column>(row.Doc, new Column(cell))).ToArray();
return(headers);
}
public static ExcelElement <Cell>[] GetRowCells(this ExcelElement <Row> row)
{
if (row.IsEmpty())
{
return(Array.Empty <ExcelElement <Cell> >());
}
var cells = row.Data.Descendants <Cell>();
var rowCells = cells.Select(cell => new ExcelElement <Cell>(row.Doc, cell)).ToArray();
return(rowCells);
}
/// <summary>
/// Maps rows to entities with specified <paramref name="parserProvider"/>.
/// </summary>
/// <typeparam name="T">Entity type.</typeparam>
/// <param name="sheet">Sheet.</param>
/// <param name="parserProvider"><see cref="IParserProvider"/>.</param>
/// <param name="factory">Factory.</param>
/// <returns>Enumeration of <typeparamref name="T"/>.</returns>
public static IEnumerable <T> GetRowsAs <T>(
this ExcelElement <Sheet> sheet,
IParserProvider parserProvider,
Func <IReadOnlyList <IPropertyValue>, T> factory = null)
{
if (factory == null)
{
factory = list => (T)Activator.CreateInstance(typeof(T), list);
}
if (sheet.IsEmpty())
{
return(Array.Empty <T>());
}
return(sheet
.GetRows()
.MapRows(parserProvider, factory));
}
public static string[] GetRowValues(
this ExcelElement <Row> row,
ExcelElement <Column>[] headers,
IParserProvider parserProvider,
string nullValue = null)
{
if (row.IsEmpty())
{
return(Array.Empty <string>());
}
var cells = row.GetRowCells();
string[] rowValues = new string[headers.Length];
for (int i = 0; i < headers.Length; i++)
{
var header = headers[i];
// Find cell for the same column.
var cell = cells.FirstOrDefault(c => c.Data.CellReference.GetColumnReference() == header.Data.ColumnReference);
if (cell != null)
{
// Set propertyParser for cell according column name
var propertyParser = parserProvider.GetParsers().FirstOrDefault(parser => parser.SourceName == header.Data.Name);
if (propertyParser != null)
{
cell.SetMetadata(propertyParser);
}
rowValues[i] = cell.GetCellValue(nullValue);
}
else
{
rowValues[i] = nullValue;
}
}
return(rowValues);
}
