Files
douwco_thuisbatterij_simulator/Services/FluviusDataHandler.cs

118 lines
4.4 KiB
C#

using System;
using System.Collections.Concurrent;
using System.Collections.Generic;
using System.Globalization;
using System.IO;
using System.Linq;
using System.Reflection.PortableExecutable;
using System.Threading.Tasks;
using BattSim.Models;
using Microsoft.AspNetCore.Components.Forms;
namespace BattSim.Services
{
public static class FluviusDataHandler
{
public static async Task<EnergyData[]> LoadAndProcessFile(IBrowserFile file)
{
var lines = await ReadCsvFile(file);
var energyData = new ConcurrentDictionary<DateTime,EnergyData>(); // Thread-safe collection
// Process lines in parallel
Parallel.ForEach(lines, line =>
{
try
{
var parts = SplitLine(line);
DateTime time = ParseDateTime(parts[..2]);
double volume = ParseVolume(parts[8]);
string register = parts[7].Trim();
bool dayTarif = register.Contains("Dag");
var entry = new EnergyData { Time = time, DayTariff = dayTarif };
if (register.Contains("Afname"))
entry.Consumption = volume;
else if (register.Contains("Injectie"))
entry.Production = volume;
else
throw new Exception("Unknown volume register");
energyData.AddOrUpdate(entry.Time, entry, (_, existing) =>
{
existing.Consumption += entry.Consumption;
existing.Production += entry.Production;
return existing;
});
}
catch (Exception e)
{
Console.WriteLine($"Error parsing line: {line}. Skipping to next line. Exception: {e}");
}
});
var results = energyData.Values.ToArray();
results.Sort((a,b)=>a.Time.CompareTo(b.Time));
return results;
}
public static EnergyData[] GenerateDailyData(EnergyData[] energyData)
{
var dailyEnergyData = new ConcurrentDictionary<DateOnly, EnergyData>();
Parallel.ForEach(energyData, energy =>
{
var date = DateOnly.FromDateTime(energy.Time);
// Use AddOrUpdate to avoid double lookup
dailyEnergyData.AddOrUpdate(
date,
new EnergyData(energy), // If key doesn't exist, add this value
(_, existing) =>
{
// If key exists, aggregate the values
existing.Consumption += energy.Consumption;
existing.Production += energy.Production;
return existing;
}
);
});
return dailyEnergyData.Values.ToArray();
}
private static async Task<List<string>> ReadCsvFile(IBrowserFile file)
{
await using var stream = file.OpenReadStream(maxAllowedSize: (int)1.0e9);
using var reader = new StreamReader(stream, bufferSize: (int)1.0e6);
// Skip header
await reader.ReadLineAsync();
// Read all lines into memory
var lines = new List<string>();
string line;
while ((line = await reader.ReadLineAsync()) is not null)
{
lines.Add(line);
}
return lines;
}
private static string[] SplitLine(string line)
{
var parts = line.Split(';');
if (parts.Length < 9)
throw new Exception($"Malformed line (too many parts): {line}");
return parts;
}
private static DateTime ParseDateTime(string[] dateTimeStrings)
{
string dateTimeString = dateTimeStrings[0] + " " + dateTimeStrings[1];
return DateTime.ParseExact(dateTimeString, "dd-MM-yyyy HH:mm:ss", CultureInfo.GetCultureInfo("nl-BE"));
}
private static double ParseVolume(string volumeString)
{
var volumeStr = volumeString.Trim();
return string.IsNullOrEmpty(volumeStr)
? 0
: double.Parse(volumeStr.Replace(",", "."), CultureInfo.InvariantCulture);
}
}
}