DD.WellWorkover.Cloud/AsbCloudInfrastructure/Services/ReportService.cs

using AsbCloudApp.Services;
using AsbCloudApp.Data;
using AsbCloudDb.Model;
using System;
using System.IO;
using AsbSaubReport;

namespace AsbCloudInfrastructure.Services
{
    public class ReportService : IReportService
    {
        private readonly IAsbCloudDbContext db;
        private readonly ITelemetryService telemetryService;

        public ReportService(IAsbCloudDbContext db, ITelemetryService telemetryService)
        {
            this.db = db;
            this.telemetryService = telemetryService;
        }

        public int GetReportPagesCount(int wellId, DateTime begin, DateTime end, int stepSeconds, int format)
        {
            var generator = GetReportGenerator(wellId, begin, end, stepSeconds, format);

            return generator.GetPagesCount();
        }

        public ReportPropertiesDto GetReportFileProperties(string reportName, string rootPath)
        {
            string path = Path.Combine(rootPath, reportName);
            FileStream fs = new FileStream(path, FileMode.Open);
            string contentType = Path.GetExtension(path);
            string fileName = Path.GetFileName(path);

            return new ReportPropertiesDto { 
                Filestream = fs, 
                ContentType = contentType, 
                FileName = fileName 
            };
        }

        public DatesRangeDto GetReportsDatesRange(int wellId)
        {
            var telemetry = telemetryService.GetTelemetryByWellId(wellId);

            if (telemetry is null)
                return null;

            var result = db.GetDatesRange<Report>(telemetry.Id);

            return new DatesRangeDto { From = result.From, To = result.To };
        }

        private IReportGenerator GetReportGenerator(int wellId,DateTime begin, DateTime end, int stepSeconds, int format)
        {
            var dataSource = new ReportDataSourcePgCloud((AsbCloudDbContext)db, wellId);
            var generator = new PdfGenerator(dataSource);

            generator.Begin = begin;
            generator.End = end;
            generator.Step = TimeSpan.FromSeconds(stepSeconds);
            generator.WithCharts = true;
            generator.WithEvents = true;
            return generator;
        }
    }
}