added file loader

Models/BatteryDayResult.cs

@@ -1,10 +1,10 @@
 using System;
 
-namespace BatteryCostAnalysis.Models
+namespace BattSim.Models
 {
     public class BatteryDayResult
     {
-        public DateTime Date { get; set; }
+        public DateOnly Date { get; set; }
         public double ChargedEnergy { get; set; }
         public double UsedEnergy { get; set; }
         public double RemainingEnergy { get; set; }

Models/EnergyData.cs

@@ -1,10 +1,10 @@
 using System;
 
-namespace BatteryCostAnalysis.Models
+namespace BattSim.Models
 {
     public class EnergyData
     {
-        public DateTime Date { get; set; }
+        public DateOnly Date { get; set; }
         public double DayConsumption { get; set; }
         public double NightConsumption { get; set; }
         public double DayProduction { get; set; }

Pages/Home.razor

@@ -1,96 +1,50 @@
 @page "/"
-@using Radzen
+@using BattSim.Models
-@using Radzen.Blazor
+@using BattSim.Services
-@using System.Globalization
 
+<PageTitle>BattSim</PageTitle>
 
-<PageTitle>Home</PageTitle>
+<h1>BattSim</h1>
-
-<h1>Hello, world!</h1>
-
-Welcome to your new app.
-
-<h2>A Radzen chart:</h2>
-
-<RadzenChart SeriesClick=@OnSeriesClick style="height: 400px">
-    <RadzenBarSeries Data="@revenue2024" CategoryProperty="Quarter" Title="2024" LineType="LineType.Dashed" ValueProperty="Revenue">
-        <RadzenSeriesDataLabels Visible="@showDataLabels" />
-    </RadzenBarSeries>
-    <RadzenBarSeries Data="@revenue2023" CategoryProperty="Quarter" Title="2023" ValueProperty="Revenue">
-        <RadzenSeriesDataLabels Visible="@showDataLabels" />
-    </RadzenBarSeries>
-    <RadzenValueAxis Formatter="@FormatAsUSD">
-        <RadzenGridLines Visible="true" />
-        <RadzenAxisTitle Text="Revenue in USD" />
-    </RadzenValueAxis>
-    <RadzenBarOptions Radius="5" />
-</RadzenChart>
 
+<p>Upload your fluvius daily csv file here.</p>
+<InputFile OnChange="LoadCsvFile" accept=".csv"/>
+@if (_isLoading){ <p>Loading...</p> }
 
 @code {
-    bool showDataLabels = false;
+    EnergyData[] EnergyData = [];
+    (int, BatteryDayResult[])[] SimulationData = [];
 
-    void OnSeriesClick(SeriesClickEventArgs args)
+    bool _isLoading = false;
+
+    private async Task LoadCsvFile(InputFileChangeEventArgs e)
     {
+        _isLoading = true;
+        StateHasChanged();
 
+        var file = e.File;
+        if (file.ContentType != "text/csv")
+        {
+            Console.WriteLine("Only CSV files are allowed!");
+            return;
         }
 
-    class DataItem
+        try
         {
-        public string Quarter { get; set; }
+            var loadingTask = DataLoader.LoadAndProcessData(file);
-        public double Revenue { get; set; }
+            var energyData = await loadingTask;
+
+            EnergyData = energyData.ToArray();
+            _isLoading = false;
+            StateHasChanged();
+
+            foreach (var data in EnergyData)
+            {
+                Console.WriteLine(data.Date.ToString());
             }
-
-    string FormatAsUSD(object value)
-    {
-        return ((double)value).ToString("C0", CultureInfo.CreateSpecificCulture("en-US"));
         }
-
+        catch (Exception ex)
-    DataItem[] revenue2023 = new DataItem[]
         {
-    new DataItem
+            Console.WriteLine($"Error loading file: {ex.Message}");
-    {
+        }
-        Quarter = "Q1",
+    }
-        Revenue = 234000
-    },
-    new DataItem
-    {
-        Quarter = "Q2",
-        Revenue = 284000
-    },
-    new DataItem
-    {
-        Quarter = "Q3",
-        Revenue = 274000
-    },
-    new DataItem
-    {
-        Quarter = "Q4",
-        Revenue = 294000
-    },
-    };
-
-    DataItem[] revenue2024 = new DataItem[] {
-    new DataItem
-    {
-    Quarter = "Q1",
-    Revenue = 254000
-    },
-    new DataItem
-    {
-    Quarter = "Q2",
-    Revenue = 324000
-    },
-    new DataItem
-    {
-    Quarter = "Q3",
-    Revenue = 354000
-    },
-    new DataItem
-    {
-    Quarter = "Q4",
-    Revenue = 394000
-    },
-
-    };
 }

Pages/Test.razor

@@ -0,0 +1,96 @@
+@page "/Test"
+@using Radzen
+@using Radzen.Blazor
+@using System.Globalization
+
+
+<PageTitle>Home</PageTitle>
+
+<h1>Hello, world!</h1>
+
+Welcome to your new app.
+
+<h2>A Radzen chart:</h2>
+
+<RadzenChart SeriesClick=@OnSeriesClick style="height: 400px">
+    <RadzenBarSeries Data="@revenue2024" CategoryProperty="Quarter" Title="2024" LineType="LineType.Dashed" ValueProperty="Revenue">
+        <RadzenSeriesDataLabels Visible="@showDataLabels" />
+    </RadzenBarSeries>
+    <RadzenBarSeries Data="@revenue2023" CategoryProperty="Quarter" Title="2023" ValueProperty="Revenue">
+        <RadzenSeriesDataLabels Visible="@showDataLabels" />
+    </RadzenBarSeries>
+    <RadzenValueAxis Formatter="@FormatAsUSD">
+        <RadzenGridLines Visible="true" />
+        <RadzenAxisTitle Text="Revenue in USD" />
+    </RadzenValueAxis>
+    <RadzenBarOptions Radius="5" />
+</RadzenChart>
+
+
+@code {
+    bool showDataLabels = false;
+
+    void OnSeriesClick(SeriesClickEventArgs args)
+    {
+        
+    }
+
+    class DataItem
+    {
+        public string Quarter { get; set; }
+        public double Revenue { get; set; }
+    }
+
+    string FormatAsUSD(object value)
+    {
+        return ((double)value).ToString("C0", CultureInfo.CreateSpecificCulture("en-US"));
+    }
+
+    DataItem[] revenue2023 = new DataItem[]
+    {
+    new DataItem
+    {
+        Quarter = "Q1",
+        Revenue = 234000
+    },
+    new DataItem
+    {
+        Quarter = "Q2",
+        Revenue = 284000
+    },
+    new DataItem
+    {
+        Quarter = "Q3",
+        Revenue = 274000
+    },
+    new DataItem
+    {
+        Quarter = "Q4",
+        Revenue = 294000
+    },
+    };
+
+    DataItem[] revenue2024 = new DataItem[] {
+    new DataItem
+    {
+    Quarter = "Q1",
+    Revenue = 254000
+    },
+    new DataItem
+    {
+    Quarter = "Q2",
+    Revenue = 324000
+    },
+    new DataItem
+    {
+    Quarter = "Q3",
+    Revenue = 354000
+    },
+    new DataItem
+    {
+    Quarter = "Q4",
+    Revenue = 394000
+    },
+
+    };
+}

Program.cs

@@ -1,8 +1,12 @@
 using BattSim;
+using BattSim.Models;
 using Radzen;
 using Microsoft.AspNetCore.Components.Web;
 using Microsoft.AspNetCore.Components.WebAssembly.Hosting;
 
+
+
+// Setup Frontend
 var builder = WebAssemblyHostBuilder.CreateDefault(args);
 builder.RootComponents.Add<App>("#app");
 builder.RootComponents.Add<HeadOutlet>("head::after");

Services/BatterySimulator.cs

@@ -1,7 +1,7 @@
 using System.Collections.Generic;
-using BatteryCostAnalysis.Models;
+using BattSim.Models;
 
-namespace BatteryCostAnalysis.Services
+namespace BattSim.Services
 {
     public class BatterySimulator
     {

Services/DataLoader.cs

@@ -3,26 +3,41 @@ using System.Collections.Generic;
 using System.Globalization;
 using System.IO;
 using System.Linq;
-using BatteryCostAnalysis.Models;
+using System.Threading.Tasks;
+using BattSim.Models;
+using Microsoft.AspNetCore.Components.Forms;
 
-namespace BatteryCostAnalysis.Services
+namespace BattSim.Services
 {
-    public class DataLoader
+    public static class DataLoader
     {
-        public static List<EnergyData> LoadAndProcessData(string filePath)
+        public static async Task<List<EnergyData>> LoadAndProcessData(IBrowserFile file)
         {
             var energyData = new List<EnergyData>();
-            var lines = File.ReadAllLines(filePath).Skip(1); // Skip header
+            await using var stream = file.OpenReadStream();
+            using var reader = new StreamReader(stream);
 
-            foreach (var line in lines)
+            // Skip header
+            await reader.ReadLineAsync();
+
+            string line;
+            while ((line = await reader.ReadLineAsync()) != null)
             {
                 var parts = line.Split(';');
-                if (parts.Length < 9) continue;
+                if (parts.Length < 9)
+                {
+                    Console.WriteLine($"Skipping malformed line: {line}");
+                    continue;
+                }
 
-                var date = DateTime.Parse(parts[0], new CultureInfo("nl-BE"));
+                try
+                {
+                    var date = DateOnly.ParseExact(parts[0].Length == 10 ? parts[0] : "0"+parts[0], "dd/MM/yyyy", CultureInfo.InvariantCulture);
                     var register = parts[7].Trim();
                     var volumeStr = parts[8].Trim();
-                var volume = string.IsNullOrEmpty(volumeStr) ? 0 : double.Parse(volumeStr.Replace(",", "."), CultureInfo.InvariantCulture);
+                    var volume = string.IsNullOrEmpty(volumeStr)
+                        ? 0
+                        : double.Parse(volumeStr.Replace(",", "."), CultureInfo.InvariantCulture);
 
                     var existing = energyData.FirstOrDefault(e => e.Date == date);
                     if (existing == null)
@@ -47,8 +62,12 @@ namespace BatteryCostAnalysis.Services
                             break;
                     }
                 }
-            
+                catch (Exception ex)
+                {
+                    Console.WriteLine($"Error parsing line: {line}. Exception: {ex.Message}");
+                }
+            }
             return energyData;
         }
-    }
+}
 }

Services/ReportGenerator.cs

@@ -2,9 +2,9 @@ using System;
 using System.Collections.Generic;
 using System.IO;
 using System.Linq;
-using BatteryCostAnalysis.Models;
+using BattSim.Models;
 
-namespace BatteryCostAnalysis.Services
+namespace BattSim.Services
 {
     public class ReportGenerator
     {