55 lines
1.2 KiB
C#
55 lines
1.2 KiB
C#
using System;
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using System.IO;
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using CsvHelper;
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using CsvHelper.Configuration;
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using CsvHelper.Excel;
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namespace InventoryTraker.Web.Utilities
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{
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public class ExcelParserBase : IDisposable
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{
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protected readonly CsvReader CsvReader;
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protected ExcelParserBase(FileSystemInfo excelFile, CsvConfiguration csvConfiguration)
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{
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CsvReader = OpenExcel(excelFile, csvConfiguration);
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}
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protected ExcelParserBase(FileSystemInfo excelFile) :
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this(excelFile,
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new CsvConfiguration
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{
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HasHeaderRecord = false,
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IgnoreBlankLines = false,
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IgnoreReadingExceptions = true
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})
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{
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}
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internal static CsvReader OpenExcel(FileSystemInfo excelFile, CsvConfiguration csvConfiguration = null)
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{
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if (!excelFile.Exists)
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throw new FileNotFoundException($"Cannot find file '{excelFile.Name}'");
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var excelParser =
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csvConfiguration != null
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? new ExcelParser(excelFile.FullName, csvConfiguration)
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: new ExcelParser(excelFile.FullName);
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return new CsvReader(excelParser);
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}
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protected string[] GetNextCsvRowValues()
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{
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// get values from row
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if (!CsvReader.Read())
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return null;
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return CsvReader.CurrentRecord;
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}
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public void Dispose()
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{
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CsvReader.Dispose();
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}
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}
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} |