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src/FileData/Curiosity.FileDataReaderWriters.Npoi/CHANGELOG.md
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| # Changelog | ||
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| ## [1.0.0] - 2024-02-02 | ||
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| Package was released. |
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...FileData/Curiosity.FileDataReaderWriters.Npoi/Curiosity.FileDataReaderWriters.Npoi.csproj
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| <Project Sdk="Microsoft.NET.Sdk"> | ||
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| <PropertyGroup> | ||
| <TargetFramework>netstandard2.1</TargetFramework> | ||
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| <PackageId>Curiosity.FileDataReaderWriters.Npoi</PackageId> | ||
| <Title>Curiosity.FileDataReaderWriters.Npoi</Title> | ||
| <Description>Npoi realization for working with xls/xlsx/csv files</Description> | ||
| <Summary>Single and multifile writing to xlsx file. Uses streaming version of workbook to reduce peak memory consumption.</Summary> | ||
| <PackageTags>Curiosity; FileDataReaderWriters; Npoi; siisltd</PackageTags> | ||
| <Language>English</Language> | ||
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| <AssemblyVersion>1.0.0</AssemblyVersion> | ||
| <FileVersion>1.0.0</FileVersion> | ||
| <PackageVersion>1.0.0</PackageVersion> | ||
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| <Authors>Max Markelow (@markeli), Andrei Vinogradov (@anri-vin), Andrey Ioch (@DevCorvette), Timur Sidoriuk (@shockthunder)</Authors> | ||
| <Company>SIIS Ltd</Company> | ||
| <Copyright>SIIS Ltd, 2024</Copyright> | ||
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| <PackageRequireLicenseAcceptance>false</PackageRequireLicenseAcceptance> | ||
| <PackageLicenseExpression>MIT</PackageLicenseExpression> | ||
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| <PackageProjectUrl>https://github.com/siisltd/Curiosity.Utils</PackageProjectUrl> | ||
| <RepositoryType>git</RepositoryType> | ||
| <RepositoryUrl>https://github.com/siisltd/Curiosity.Utils</RepositoryUrl> | ||
| <PackageReleaseNotes>https://github.com/siisltd/Curiosity.Utils/tree/master/src/FileData/Curiosity.FileDataReaderWriters.Npoi/CHANGELOG.md</PackageReleaseNotes> | ||
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| <LangVersion>10</LangVersion> | ||
| <Nullable>enable</Nullable> | ||
| <IsPackable>true</IsPackable> | ||
| </PropertyGroup> | ||
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| <PropertyGroup> | ||
| <PackageIcon>siisltd.png</PackageIcon> | ||
| </PropertyGroup> | ||
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| <ItemGroup> | ||
| <None Include="..\..\..\siisltd.png" Pack="true" PackagePath="\" /> | ||
| </ItemGroup> | ||
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| <ItemGroup> | ||
| <ProjectReference Include="..\Curiosity.FileDataReaderWriters\Curiosity.FileDataReaderWriters.csproj" /> | ||
| </ItemGroup> | ||
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| <ItemGroup> | ||
| <PackageReference Include="NPOI" Version="2.6.2" /> | ||
| </ItemGroup> | ||
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| <PropertyGroup Condition=" '$(Configuration)' == 'Release' "> | ||
| <DocumentationFile>bin\Release\Curiosity.FileDataReaderWriters.Npoi.xml</DocumentationFile> | ||
| </PropertyGroup> | ||
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| </Project> |
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src/FileData/Curiosity.FileDataReaderWriters.Npoi/NpoiXlsFileWriter.cs
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| using System; | ||
| using System.Collections.Generic; | ||
| using System.IO; | ||
| using Curiosity.FileDataReaderWriters.Style; | ||
| using Curiosity.FileDataReaderWriters.Writers; | ||
| using ICSharpCode.SharpZipLib.Zip; | ||
| using Microsoft.Extensions.Logging; | ||
| using NPOI.SS.UserModel; | ||
| using NPOI.XSSF.Streaming; | ||
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| namespace Curiosity.FileDataReaderWriters.Npoi; | ||
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| /// <summary> | ||
| /// Класс для записи данных в xlsx / xls формате для NPOI | ||
| /// </summary> | ||
| public class NpoiXlsFileWriter : IFileWriter | ||
| { | ||
| private int _currentRow = 0; | ||
| private int _currentCell = 0; | ||
| private readonly string _outputFilePath; | ||
| private readonly ILogger _logger; | ||
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| private readonly SXSSFWorkbook _workbook; | ||
| private readonly ISheet _sheet; | ||
| private readonly ICellStyle _dataStyle; | ||
| private FileStream _fileStream; | ||
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| private Dictionary<int, ICellStyle> _cellStyles = new(); | ||
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| /// <summary> | ||
| /// Конструктор для записи эксель файла через NPOI | ||
| /// </summary> | ||
| /// <param name="outputFilePath">Адрес итогового файла</param> | ||
| /// <param name="rowAccessWindowSize">Количество строк, находящихся в памяти писателя</param> | ||
| public NpoiXlsFileWriter(string outputFilePath, ILogger logger, int rowAccessWindowSize = 100) | ||
| { | ||
| _outputFilePath = outputFilePath; | ||
| _logger = logger; | ||
| _workbook = new SXSSFWorkbook(rowAccessWindowSize); | ||
| _sheet = _workbook.CreateSheet(); | ||
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| //настройка формата даты для ячеек | ||
| var format = _workbook.CreateDataFormat(); | ||
| _dataStyle = _workbook.CreateCellStyle(); | ||
| _dataStyle.DataFormat = format.GetFormat("yyyy-MM-dd HH:mm:ss"); | ||
| } | ||
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| public int AddFormat(FormatSettings formatSettings) | ||
| { | ||
| var font = _workbook.CreateFont(); | ||
| font.IsBold = formatSettings.FontStyle.HasFlag(FontStyle.Bold); | ||
| font.IsItalic = formatSettings.FontStyle.HasFlag(FontStyle.Italic); | ||
| font.FontHeightInPoints = formatSettings.FontSize; | ||
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| var style = _workbook.CreateCellStyle(); | ||
| style.SetFont(font); | ||
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| style.Alignment = formatSettings.TextAlignment switch | ||
| { | ||
| TextAlignment.Left => HorizontalAlignment.Left, | ||
| TextAlignment.Center => HorizontalAlignment.Center, | ||
| TextAlignment.Right => HorizontalAlignment.Right, | ||
| TextAlignment.Justify => HorizontalAlignment.Justify, | ||
| _ => throw new ArgumentOutOfRangeException(nameof(formatSettings.TextAlignment)) | ||
| }; | ||
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| style.WrapText = formatSettings.WrapText; | ||
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| var format = _workbook.CreateDataFormat(); | ||
| style.DataFormat = format.GetFormat(formatSettings.DataFormat); | ||
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| var formatNumber = _cellStyles.Count; | ||
| _cellStyles.Add(formatNumber, style); | ||
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| return formatNumber; | ||
| } | ||
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| public int AddDefaultFormat() | ||
| { | ||
| var formatNumber = _cellStyles.Count; | ||
| _cellStyles.Add(formatNumber, _workbook.CreateCellStyle()); | ||
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| return formatNumber; | ||
| } | ||
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| public void AddHeaders(IReadOnlyList<CellData> data) | ||
| { | ||
| if (data is null) | ||
| throw new ArgumentNullException(nameof(data)); | ||
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| for (var i = 0; i < data.Count; i++) | ||
| { | ||
| var datum = data[i]; | ||
| Append(datum.Value, datum.Format); | ||
| } | ||
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| EndLine(); | ||
| } | ||
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| public void AppendLine(IReadOnlyList<CellData> data) | ||
| { | ||
| if (data == null) throw new ArgumentNullException(nameof(data)); | ||
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| for (var i = 0; i < data.Count; i++) | ||
| { | ||
| var datum = data[i]; | ||
| Append(datum.Value, datum.Format); | ||
| } | ||
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| EndLine(); | ||
| } | ||
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| public void Append(object? value, int? format = null) | ||
| { | ||
| if (value is null || (value is string str && String.IsNullOrWhiteSpace(str))) | ||
| { | ||
| _currentCell++; | ||
| return; | ||
| } | ||
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| var row = _sheet.GetRow(_currentRow) ?? _sheet.CreateRow(_currentRow); | ||
| var cell = row.CreateCell(_currentCell); | ||
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| switch (value) | ||
| { | ||
| case byte val: | ||
| cell.SetCellValue(val); | ||
| break; | ||
| case short val: | ||
| cell.SetCellValue(val); | ||
| break; | ||
| case int val: | ||
| cell.SetCellValue(val); | ||
| break; | ||
| case long val: | ||
| cell.SetCellValue(val); | ||
| break; | ||
| case float val: | ||
| cell.SetCellValue(val); | ||
| break; | ||
| case double val: | ||
| cell.SetCellValue(val); | ||
| break; | ||
| case decimal val: | ||
| cell.SetCellValue(Convert.ToDouble(val)); | ||
| break; | ||
| case bool val: | ||
| cell.SetCellValue(val); | ||
| break; | ||
| case IRichTextString val: | ||
| cell.SetCellValue(val); | ||
| break; | ||
| case string val: | ||
| cell.SetCellValue(val); | ||
| break; | ||
| case DateTime val: | ||
| cell.SetCellValue(val); | ||
| cell.CellStyle = _dataStyle; | ||
| break; | ||
| default: | ||
| _logger.LogWarning("Используем обычный ToString() (Type={Type}, Value={Value})", value.GetType(), value); | ||
| cell.SetCellValue(value.ToString()); | ||
| break; | ||
| } | ||
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| if (format is not null) | ||
| cell.CellStyle = _cellStyles[(int)format]; | ||
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| _currentCell++; | ||
| } | ||
|
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| public void EndLine() | ||
| { | ||
| _currentRow++; | ||
| _currentCell = 0; | ||
| } | ||
|
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| public void Flush() | ||
| { | ||
| } | ||
|
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| /// <summary> | ||
| /// Записываем данные в файл и закрываем стрим. | ||
| /// </summary> | ||
| public void Dispose() | ||
| { | ||
| _fileStream = File.Open(_outputFilePath, FileMode.OpenOrCreate, FileAccess.ReadWrite); | ||
| _workbook.Write(_fileStream); | ||
| _fileStream.Close(); | ||
| } | ||
| } |
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