77 lines
2.0 KiB
C#
77 lines
2.0 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Globalization;
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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 MileageTraker.Web.Models;
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using MileageTraker.Web.Utility;
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namespace MileageTraker.Web.DAL
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{
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public class FuelmanCsvImporter
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{
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private sealed class FuelmanCsvClassMap : CsvClassMap<FuelLog>
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{
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public FuelmanCsvClassMap()
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{
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Map(m => m.Date).ConvertUsing(row =>
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{
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var date = row.GetField("CEDATE");
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var time = row.GetField<int>("CETIME");
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var dttm = string.Format(@"{0} {1:00:00}", date, time);
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return DateTime.ParseExact(dttm, @"M/d/yyyy HH:mm", CultureInfo.InvariantCulture);
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});
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Map(m => m.DriverFullName).ConvertUsing(row =>
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{
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var name = row.GetField("CEEMNAME");
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return NameNormalizer.Normalize(name);
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});
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Map(m => m.TagNumber).Name("CEVEHNO");
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Map(m => m.Odometer).Name("CEODOMETER");
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Map(m => m.CityName).ConvertUsing(row =>
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{
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var city = row.GetField("CESITCTY");
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return city.ToLower().ToTitleCase();
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});
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Map(m => m.MPG).Name("CEMPG");
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Map(m => m.GasPurchased).Name("CEQTY");
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Map(m => m.TotalPrice).Name("CECUSAMT");
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}
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}
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public static IEnumerable<FuelLog> Import(string filename)
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{
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var fileInfo = new FileInfo(filename);
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if (!fileInfo.Exists)
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throw new ImportException("Cannot find file '" + filename + "'");
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using (var tr = File.OpenText(fileInfo.FullName))
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{
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var csv = new CsvReader(tr);
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csv.Configuration.RegisterClassMap<FuelmanCsvClassMap>();
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var fuelLogs = new List<FuelLog>();
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while (csv.Read())
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{
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try
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{
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// Skip non-FUEL entries
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if (csv.GetField<string>("CEPRDTYPE") != "FUEL")
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continue;
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fuelLogs.Add(csv.GetRecord<FuelLog>());
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}
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catch (Exception ex)
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{
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throw new ImportException("Problem with document encountered on row " + csv.Row + ". " + ex.Message);
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}
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}
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return fuelLogs;
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}
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}
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}
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}
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