48 lines
1.6 KiB
C#
48 lines
1.6 KiB
C#
using Microsoft.Extensions.Logging;
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using Publication.Repositories;
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using Publication.Repositories.Implementations;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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namespace Publication.Reports;
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public class ChartReport
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{
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private readonly IMaterialRepository _materialRepository;
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private readonly ILogger<ChartReport> _logger;
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public ChartReport(IMaterialRepository materialRepository, ILogger<ChartReport> logger)
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{
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_materialRepository = materialRepository ?? throw new ArgumentNullException(nameof(materialRepository));
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_logger = logger ?? throw new ArgumentNullException(nameof(logger));
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}
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public bool CreateChart(string filePath, DateTime dateTime)
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{
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try
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{
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new PdfBuilder(filePath)
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.AddHeader("Количество материалов")
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.AddPieChart("Материалы", GetData(dateTime))
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.Build();
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return true;
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}
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catch (Exception ex)
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{
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_logger.LogError(ex, "Ошибка при формировании документа");
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return false;
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}
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}
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private List<(string Caption, double Value)> GetData(DateTime dateTime)
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{
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return _materialRepository
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.ReadMaterials()
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.Where(x => x.DateMaterials.Date == dateTime.Date)
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.GroupBy(x => x.Id, (key, group) => new { ID = key, Count = group.Sum(y => y.Count) })
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.Select(x => (x.ID.ToString(), (double)x.Count))
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.ToList();
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}
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}
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