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Merge branch 'unstable' into 'main'

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Add excel export functionality

See merge request internship-2025/survey-webapp/surveylib!22
This commit is contained in:
Вячеслав 2025-06-08 21:10:15 +00:00
commit aae9d32397
4 changed files with 102 additions and 0 deletions
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6
SurveyLib.Core/Tools/IDataExporter.cs Normal file
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@ -0,0 +1,6 @@
namespace SurveyLib.Core.Tools;
public interface IDataExporter
{
Task<byte[]> ExportDataBySurveyIdAsync(int surveyId);
}

17
SurveyLib.Tools/SurveyLib.Tools.csproj Normal file
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@ -0,0 +1,17 @@
<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<TargetFramework>net8.0</TargetFramework>
<ImplicitUsings>enable</ImplicitUsings>
<Nullable>enable</Nullable>
</PropertyGroup>
<ItemGroup>
<ProjectReference Include="..\SurveyLib.Core\SurveyLib.Core.csproj" />
</ItemGroup>
<ItemGroup>
<PackageReference Include="ClosedXML" Version="0.105.0" />
</ItemGroup>
</Project>

73
SurveyLib.Tools/Tools/TableExporter.cs Normal file
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@ -0,0 +1,73 @@
using ClosedXML.Excel;
using SurveyLib.Core.Services;
using SurveyLib.Core.Tools;
namespace SurveyLib.Tools.Tools;
public class TableExporter : IDataExporter
{
private readonly ISurveyService _surveyService;
private readonly IQuestionService _questionService;
private readonly ICompletionService _completionService;
private readonly IAnswerService _answerService;
public TableExporter(ISurveyService surveyService, IQuestionService questionService,
ICompletionService completionService, IAnswerService answerService)
{
_surveyService = surveyService;
_questionService = questionService;
_completionService = completionService;
_answerService = answerService;
}
public async Task<byte[]> ExportDataBySurveyIdAsync(int surveyId)
{
var survey = await _surveyService.GetSurveyAsync(surveyId);
var questions = await _questionService.GetQuestionsBySurveyIdAsync(surveyId);
var completions = await _completionService.GetCompletionsBySurveyIdAsync(surveyId);
using var workbook = new XLWorkbook();
var ws = workbook.Worksheets.Add(survey.Title);
ws.Cell(1, 1).Value = "Title";
ws.Cell(1, 2).Value = survey.Title;
ws.Cell(2, 1).Value = "Description";
ws.Cell(2, 2).Value = survey.Description;
ws.Cell(3, 1).Value = "Export issued at";
ws.Cell(3, 2).Value = DateTime.UtcNow;
ws.Cell(4, 1).Value = "Completed By";
ws.Cell(4, 2).Value = "Finished At";
var column = 3;
foreach (var question in questions)
{
ws.Cell(4, column).Value = question.Title;
column++;
}
var row = 5;
foreach (var completion in completions)
{
ws.Cell(row, 1).Value = completion.CompletedBy?.ToString() ?? "Unknown";
ws.Cell(row, 2).Value = completion.FinishedAt;
column = 3;
var answers = await _answerService.GetAnswersByCompletionIdAsync(completion.Id);
var answersGroupedByQuestion = answers.GroupBy(a => a.QuestionId);
foreach (var questionAnswers in answersGroupedByQuestion)
{
ws.Cell(row, column).Value = string.Join("; ", questionAnswers.Select(a => a.AnswerText));
column++;
}
row++;
}
ws.Columns().AdjustToContents();
using var stream = new MemoryStream();
workbook.SaveAs(stream);
return stream.ToArray();
}
}

6
SurveyLib.sln
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@ -6,6 +6,8 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "SurveyLib.Infrastructure.EF
EndProject
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "SurveyLib.Services", "SurveyLib.Services\SurveyLib.Services.csproj", "{C57F4551-A397-45AB-8FF6-2C6400317CC6}"
EndProject
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "SurveyLib.Tools", "SurveyLib.Tools\SurveyLib.Tools.csproj", "{43E14A39-697E-4550-804F-FF937946F7E3}"
EndProject
Global
GlobalSection(SolutionConfigurationPlatforms) = preSolution
Debug|Any CPU = Debug|Any CPU
@ -24,5 +26,9 @@ Global
{C57F4551-A397-45AB-8FF6-2C6400317CC6}.Debug|Any CPU.Build.0 = Debug|Any CPU
{C57F4551-A397-45AB-8FF6-2C6400317CC6}.Release|Any CPU.ActiveCfg = Release|Any CPU
{C57F4551-A397-45AB-8FF6-2C6400317CC6}.Release|Any CPU.Build.0 = Release|Any CPU
{43E14A39-697E-4550-804F-FF937946F7E3}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
{43E14A39-697E-4550-804F-FF937946F7E3}.Debug|Any CPU.Build.0 = Debug|Any CPU
{43E14A39-697E-4550-804F-FF937946F7E3}.Release|Any CPU.ActiveCfg = Release|Any CPU
{43E14A39-697E-4550-804F-FF937946F7E3}.Release|Any CPU.Build.0 = Release|Any CPU
EndGlobalSection
EndGlobal