ModalComponent Show und Close-Funktionsnamen normiert

CocktailWeb/.config/dotnet-tools.json

@@ -3,7 +3,7 @@
   "isRoot": true,
   "tools": {
     "dotnet-ef": {
-      "version": "8.0.0",
+      "version": "8.0.2",
       "commands": [
         "dotnet-ef"
       ]

CocktailWeb/Data/DbDataContext.cs

@@ -10,8 +10,7 @@ namespace CocktailWeb.Data
         public DbSet<CocktailFlasche> CocktailFlaschen { get; set; }
         public DbSet<Cocktail> Cocktails { get; set; }
         public DbSet<Filler> Fillers { get; set; }
-
-        public DbSet<Glas> Glaeser { get; set; }
+        public DbSet<Glas> Glasses { get; set; }
 
         public DbDataContext(IConfiguration configuration)
         {

CocktailWeb/Data/Glas.cs

@@ -3,9 +3,13 @@
     public class Glas
     {
         public int Id { get; set; }
-        public string Name { get
+        public string? Name { get; set; }
+        public string DisplayName { get
             {
-                return $"{Fuellmenge} ml";
+                string name = "";
+                if (Name != null) name += $"{Name} - ";
+                name += $"{Fuellmenge} ml";
+                return name;
             } 
         }
         public int Fuellmenge { get; set; }

CocktailWeb/GeneralSettings.cs

@@ -2,8 +2,8 @@
 {
     public class GeneralSettings
     {
-
         public int MaxAllowedUploadSizeInMB { get; set; } = 10;
+
         public string ImageUploadDir { get; set; } = "images";
 
         public string SerialPort { get; set; } = "COM5";

CocktailWeb/Pages/CocktailView.razor

@@ -31,15 +31,30 @@ else
                             <h6>
                                 Stärke
                             </h6>
-                            <div class="btn-group" role="group">
-                                <button @onclick="() => SetIntensity(-60)" class="btn @(SelectedCocktail.IsAlcoholic ? "" : "disabled") btn-@(DrinkIntensity <= -60 ? "" : "outline-")success"><i class="bi bi-peace fs-5"></i></button>
-                                <button @onclick="() => SetIntensity(-40)" class="btn @(SelectedCocktail.IsAlcoholic ? "" : "disabled") btn-@(DrinkIntensity <= -40 ? "" : "outline-")success"><i class="bi bi-dash fs-5"></i></button>
-                                <button @onclick="() => SetIntensity(-20)" class="btn @(SelectedCocktail.IsAlcoholic ? "" : "disabled") btn-@(DrinkIntensity <= -20 ? "" : "outline-")success"><i class="bi bi-dash"></i></button>
-                                <button @onclick="() => SetIntensity(0)" class="btn @(SelectedCocktail.IsAlcoholic ? "" : "disabled") btn-@(DrinkIntensity == 0 ? "" : "")warning"><i class="bi bi-circle"></i></button>
-                                <button @onclick="() => SetIntensity(20)" class="btn @(SelectedCocktail.IsAlcoholic ? "" : "disabled") btn-@(DrinkIntensity >= 20 ? "" : "outline-")danger"><i class="bi bi-plus"></i></button>
-                                <button @onclick="() => SetIntensity(40)" class="btn @(SelectedCocktail.IsAlcoholic ? "" : "disabled") btn-@(DrinkIntensity >= 40 ? "" : "outline-")danger"><i class="bi bi-plus fs-5"></i></button>
-                                <button @onclick="() => SetIntensity(60)" class="btn @(SelectedCocktail.IsAlcoholic ? "" : "disabled") btn-@(DrinkIntensity >= 60 ? "" : "outline-")danger"><i class="bi bi-radioactive fs-5"></i></button>
-                            </div>
+                            @if (!UseNewIntensityCalc)
+                            {
+                                <div class="btn-group" role="group">
+                                    <button @onclick="() => SetIntensity(-60)" class="btn @(SelectedCocktail.IsAlcoholic ? "" : "disabled") btn-@(DrinkIntensity <= -60 ? "" : "outline-")success"><i class="bi bi-peace fs-5"></i></button>
+                                    <button @onclick="() => SetIntensity(-40)" class="btn @(SelectedCocktail.IsAlcoholic ? "" : "disabled") btn-@(DrinkIntensity <= -40 ? "" : "outline-")success"><i class="bi bi-dash fs-5"></i></button>
+                                    <button @onclick="() => SetIntensity(-20)" class="btn @(SelectedCocktail.IsAlcoholic ? "" : "disabled") btn-@(DrinkIntensity <= -20 ? "" : "outline-")success"><i class="bi bi-dash"></i></button>
+                                    <button @onclick="() => SetIntensity(0)" class="btn @(SelectedCocktail.IsAlcoholic ? "" : "disabled") btn-@(DrinkIntensity == 0 ? "" : "")warning"><i class="bi bi-circle"></i></button>
+                                    <button @onclick="() => SetIntensity(20)" class="btn @(SelectedCocktail.IsAlcoholic ? "" : "disabled") btn-@(DrinkIntensity >= 20 ? "" : "outline-")danger"><i class="bi bi-plus"></i></button>
+                                    <button @onclick="() => SetIntensity(40)" class="btn @(SelectedCocktail.IsAlcoholic ? "" : "disabled") btn-@(DrinkIntensity >= 40 ? "" : "outline-")danger"><i class="bi bi-plus fs-5"></i></button>
+                                    <button @onclick="() => SetIntensity(60)" class="btn @(SelectedCocktail.IsAlcoholic ? "" : "disabled") btn-@(DrinkIntensity >= 60 ? "" : "outline-")danger"><i class="bi bi-radioactive fs-5"></i></button>
+                                </div>
+                            }
+                            else
+                            {
+                                <div class="btn-group" role="group">
+                                    <button @onclick="() => SetIntensityPercentual(-3)" class="btn @(SelectedCocktail.IsAlcoholic ? "" : "disabled") btn-@(DrinkIntensity <= -3 ? "" : "outline-")success"><i class="bi bi-peace fs-5"></i></button>
+                                    <button @onclick="() => SetIntensityPercentual(-2)" class="btn @(SelectedCocktail.IsAlcoholic ? "" : "disabled") btn-@(DrinkIntensity <= -2 ? "" : "outline-")success"><i class="bi bi-dash fs-5"></i></button>
+                                    <button @onclick="() => SetIntensityPercentual(-1)" class="btn @(SelectedCocktail.IsAlcoholic ? "" : "disabled") btn-@(DrinkIntensity <= -1 ? "" : "outline-")success"><i class="bi bi-dash"></i></button>
+                                    <button @onclick="() => SetIntensityPercentual(0)" class="btn @(SelectedCocktail.IsAlcoholic ? "" : "disabled") btn-@(DrinkIntensity == 0 ? "" : "")warning"><i class="bi bi-circle"></i></button>
+                                    <button @onclick="() => SetIntensityPercentual(1)" class="btn @(SelectedCocktail.IsAlcoholic ? "" : "disabled") btn-@(DrinkIntensity >= 1 ? "" : "outline-")danger"><i class="bi bi-plus"></i></button>
+                                    <button @onclick="() => SetIntensityPercentual(2)" class="btn @(SelectedCocktail.IsAlcoholic ? "" : "disabled") btn-@(DrinkIntensity >= 2 ? "" : "outline-")danger"><i class="bi bi-plus fs-5"></i></button>
+                                    <button @onclick="() => SetIntensityPercentual(3)" class="btn @(SelectedCocktail.IsAlcoholic ? "" : "disabled") btn-@(DrinkIntensity >= 3 ? "" : "outline-")danger"><i class="bi bi-radioactive fs-5"></i></button>
+                                </div>
+                            }
                         </p>
 
                         @if (ErrorMessage != null)
@@ -48,12 +63,12 @@ else
                                 @ErrorMessage
                             </div>
                         }
-                        @if(CocktailCode != null)
+                        @if (CocktailCode != null)
                         {
                             <div class="alert alert-dark" style="white-space: pre-line" role="alert">
                                 @CocktailCode
                             </div>
-                        }                        
+                        }
                         <button class="btn btn-primary" @onclick=CreateCocktailCode>Lets goooooo!</button>
                     </div>
                 </div>
@@ -120,6 +135,8 @@ else
 
     private int DrinkIntensity = 0;
 
+    private bool UseNewIntensityCalc = false;
+
     private string? ErrorMessage;
     private string? CocktailCode;
 
@@ -181,6 +198,9 @@ else
     }
 
 
+    ///  <summary>
+    /// Erstellt den für die Arduino-Steuerung erforderlichen Code
+    /// </summary>
     private void CreateCocktailCode()
     {
         CocktailCode = null;
@@ -196,50 +216,93 @@ else
             if (Filler.Type == Filler.FillerType.Pump)
             {
                 line = $"P{Filler.Pos}={Zutat.Menge}";
-            } else if (Filler.Type == Filler.FillerType.Pourer)
+            }
+            else if (Filler.Type == Filler.FillerType.Pourer)
             {
                 line = $"F{Filler.Pos}={Zutat.Menge}";
             }
             lines.Add(line);
         }
 
-    lines.Add("ZIEL");
-        CocktailCode =  String.Join("\r\n", lines.ToArray());
+        lines.Add("ZIEL");
+        CocktailCode = String.Join("\r\n", lines.ToArray());
     }
 
     /// <summary>
-    /// Setzt die Alkoholintensität
+    /// Setzt die Alkoholintensität und berechnet die Mengen für ModifiedCocktail entsprechend neu
     /// </summary>
     /// <param name="intensity">Zugabe/Abzug von Alkohol in Prozent</param>
     private void SetIntensity(int intensity)
     {
         DrinkIntensity = intensity;
-        if (ModifiedCocktail != null && SelectedCocktail != null)
+        if (ModifiedCocktail == null || SelectedCocktail == null) return;
+
+        foreach (CocktailFlasche cf in ModifiedCocktail.Cocktailflaschen)
         {
-
-            foreach (CocktailFlasche cf in ModifiedCocktail.Cocktailflaschen)
+            int OriginalMenge = SelectedCocktail.Cocktailflaschen.First(scf => scf.Id == cf.Id).Menge;
+            if (cf.Flasche.Alkoholisch)
             {
-                int OriginalMenge = SelectedCocktail.Cocktailflaschen.First(scf => scf.FlascheID == cf.FlascheID).Menge;
-                if (cf.Flasche.Alkoholisch)
-                {
-                    cf.Menge = OriginalMenge + (OriginalMenge * intensity / 100);
-                }
-                else
-                {
-                    cf.Menge = OriginalMenge - (OriginalMenge * intensity / 100);
-                }
+                cf.Menge = OriginalMenge + (OriginalMenge * intensity / 100);
             }
-
-            // Durch das anteilige Umrechnen ändert sich die Gesamtmenge, daher passen wir die Mengen nochmal an
-            int AktGesMenge = ModifiedCocktail.Cocktailflaschen.Sum(cf => cf.Menge);
-            int OrigMenge = SelectedCocktail.Cocktailflaschen.Sum(cf => cf.Menge);
-            foreach (CocktailFlasche cf in ModifiedCocktail.Cocktailflaschen)
+            else
             {
-                cf.Menge = (int)((float)cf.Menge / AktGesMenge * OrigMenge);
+                cf.Menge = OriginalMenge - (OriginalMenge * intensity / 100);
             }
-
         }
 
+        // Durch das anteilige Umrechnen ändert sich die Gesamtmenge, daher passen wir die Mengen nochmal an
+        int AktGesMenge = ModifiedCocktail.Cocktailflaschen.Sum(cf => cf.Menge);
+        int OrigMenge = SelectedCocktail.Cocktailflaschen.Sum(cf => cf.Menge);
+        foreach (CocktailFlasche cf in ModifiedCocktail.Cocktailflaschen)
+        {
+            cf.Menge = (int)((float)cf.Menge / AktGesMenge * OrigMenge);
+        }
+    }
+
+
+    // ToDo: Ggf. noch Rundungsfehler drin oder wirklich noch grobe Fehler in der Mathematik.. Gesamtmenge passt irgendwie nicht.
+    /// <summary>
+    /// Ändert die Alkoholintensität basierend auf den Prozentwerten anstatt der Menge
+    /// </summary>
+    /// <param name="intensitylevel">Intensitätslevel (z.B. -1, 0, 1,2 ...)</param>
+    private void SetIntensityPercentual(int intensitylevel)
+    {
+        DrinkIntensity = intensitylevel;
+        if (ModifiedCocktail == null || SelectedCocktail == null) return;
+        int DivideParts = 4; // Gibt an, in wieviele Teile die nicht-alkoholische Gesamtmenge aufgeteilt wird. Sollte mindestens 1 oder 2 mehr als das Max.Intensitätslevel sein
+        float IncreasePerLevel_pct; // Gibt an, um welchen Anteil in % die alkoholischen Getränke steigen.
+
+        float SumAlcoholic_ml = SelectedCocktail.Cocktailflaschen.Where(cf => cf.Flasche.Alkoholisch).Sum(cf => cf.Menge); // Summe in ml der Alkoholhaltigen Zutaten
+        float SumNonAlcoholic_ml = SelectedCocktail.Cocktailflaschen.Where(cf => !cf.Flasche.Alkoholisch).Sum(cf => cf.Menge); // Summe in ml der Alkoholfreien Zutaten
+        float SumTotal = SumAlcoholic_ml + SumNonAlcoholic_ml;
+        float SumAlcoholic_pct = SumAlcoholic_ml / SumTotal * 100; //Prozentwert an alkoholhaltigen Zutaten
+        float SumNonAlcoholic_pct = SumNonAlcoholic_ml / SumTotal * 100; //Prozentwert an alkoholhaltigen Zutaten
+        float SumBasis_ml = intensitylevel >= 0 ? SumNonAlcoholic_ml : SumAlcoholic_ml; // Wenn Intensität > 0, dann ist Summenbasis nichtalkoholisch, ansonsten alkoholisch
+        if (intensitylevel >= 0)
+        {
+            /// Wenn alkoholhaltiges 30% ausmacht, teilen wir den Rest (alkoholfreis, 70%) durch die o.g. DivideParts, damit wir wissen um wieviel Prozent pro Stufe wir erhöhen können
+            IncreasePerLevel_pct = SumNonAlcoholic_pct / DivideParts;
+        }
+        else
+        {
+            // Cocktail abschwächen, daher teilen wir in die andere Richtung auf
+            IncreasePerLevel_pct = SumAlcoholic_pct / DivideParts;
+        }
+
+
+        foreach (CocktailFlasche cf in ModifiedCocktail.Cocktailflaschen)
+        {
+            float OrigMenge = SelectedCocktail.Cocktailflaschen.First(f => f.Id == cf.Id).Menge;
+            // Herausfinden, wieviel Prozent die Zutat in ihrem Bereich (Alkoholisch/Nichtalkoholisch) ausmacht
+            float ZutatIncrease_pct = IncreasePerLevel_pct / SumBasis_ml * cf.Menge;
+            float ZutatMenge_pct = (float)OrigMenge / SumTotal * 100;
+            // Neue Menge in Prozent: ZutatMenge_pct + ZutatIncrease_pct
+            if (!cf.Flasche.Alkoholisch ^ intensitylevel < 0 )
+            {
+                ZutatIncrease_pct *= -1;
+            }
+            cf.Menge = (int)Math.Round(OrigMenge / ZutatMenge_pct * (ZutatMenge_pct + (ZutatIncrease_pct * intensitylevel)), 0, MidpointRounding.AwayFromZero);
+        }
 
     }
 

CocktailWeb/Pages/ModalComponent.razor

@@ -33,7 +33,7 @@
     private string modalClass = "";
     private bool showBackdrop = false;
 
-    public async Task OpenModal()
+    public async Task ShowAsync()
     {
         modalDisplay = "block;";
         await Task.Delay(100);//Delay allows bootstrap to perform nice fade animation
@@ -41,7 +41,7 @@
         showBackdrop = true;
     }
 
-    public async Task Close()
+    public async Task CloseAsync()
     {
         modalDisplay = "none";
         await Task.Delay(250);//Delay allows bootstrap to perform nice fade animation

CocktailWeb/Pages/Settings/Cocktails.razor

@@ -29,7 +29,6 @@
             }
         </tbody>
     </table>
-
 </div>
 
 <ModalComponent @ref="modal">
@@ -67,13 +66,13 @@
     private async Task ConfirmDelete(Cocktail c)
     {
         SelectedCocktail = c;
-        await modal.OpenModal();
+        await modal.ShowAsync();
     }
 
     private async Task CloseDialog()
     {
         SelectedCocktail = null;
-        await modal.Close();
+        await modal.CloseAsync();
     }
     private async Task DeleteCocktail(MouseEventArgs e)
     {

CocktailWeb/Pages/Settings/GlasEdit.razor

@@ -0,0 +1,147 @@
+@page "/settings/glasses/edit"
+@page "/settings/glasses/edit/{id}"
+@using CocktailWeb.Data
+@using Microsoft.AspNetCore.Components.Sections
+@using Microsoft.EntityFrameworkCore
+@using Microsoft.Extensions.Options
+@inject IDbContextFactory<DbDataContext> DataContextFactory;
+@inject NavigationManager nav;
+@inject IWebHostEnvironment env;
+@inject IOptions<GeneralSettings> Config;
+
+<SectionContent SectionId="TopRow.Title">
+    <label>Glas bearbeiten</label>
+</SectionContent>
+
+<EditForm EditContext="editContext" OnValidSubmit="OnSubmit">
+    <div class="d-flex gap-3">
+        <div class="border border-2 rounded p-3 w-100">
+            <div class="mb-3">
+                <label class="form-label" for="name">Name (optional)</label>
+                <input class="form-control" id="name" name="name" type="text" @bind=@curGlas.Name />
+            </div>
+            <div class="mb-3">
+                <label class="form-label" for="menge">Füllmenge</label>
+                <div class="input-group">
+                    <input class="form-control text-end" id="menge" name="menge" type="number" @bind=@curGlas.Fuellmenge />
+                    <span class="input-group-text">ml</span>
+                    <button type="button" class="btn btn-secondary" @onclick="() => ModifyAmount(-10)"><i class="bi bi-dash"></i></button>
+                    <button type="button" class="btn btn-secondary" @onclick="() => ModifyAmount(10)"><i class="bi bi-plus"></i></button>         
+                </div>
+                <div class="form-text"><ValidationMessage For="() => curGlas.Fuellmenge" /></div>
+            </div>
+            <button type="submit" name="submit" class="btn btn-primary">Speichern</button>
+            <button type="button" @onclick="@(() => nav.NavigateTo(PrevPageURL))" class="btn btn-secondary">Abbrechen</button>
+        </div>
+        <div class="border border-2 rounded p-3 w-100">
+            <div class="mb-3">
+                <label class="form-label" for="image">Bild</label>
+                <div class="mb-2">
+                    @if (curGlas.ImageURL != null)
+                    {
+                        <img style="max-width:128px;" src="@curGlas.ImageURL" />
+                    }
+                    else
+                    {
+                        <div>Kein Bild vorhanden</div>
+                    }
+                </div>
+                <label class="form-label" for="image">Neues Bild hochladen</label>
+                <InputFile OnChange="Bild_OnChange" class="form-control" id="image" name="image" accept=".jpg,.png,.jpeg,.gif,.webp" />
+            </div>
+        </div>
+    </div>
+</EditForm>
+
+@code {
+    [Parameter]
+    public string? id { get; set; }
+
+    public Glas curGlas = null!;
+
+    public IBrowserFile? NewImage;
+
+    private DbDataContext? _DataContext;
+
+    private string PrevPageURL = "/settings/glasses";
+
+    EditContext? editContext;
+    ValidationMessageStore? valMessages;
+
+    protected override async Task OnInitializedAsync()
+    {
+        if (id != null)
+        {
+            _DataContext ??= await DataContextFactory.CreateDbContextAsync();
+            if (_DataContext != null) curGlas = _DataContext.Glasses.Single(f => f.Id == Convert.ToInt32(id));
+        }
+        curGlas ??= new(); // Falls keine ID angegeben wurde oder der Eintrag in der Datenbank nicht gefunden wurde, gehen wir davon aus dass ein neuer Eintrag erstellt wird.
+
+        editContext = new(curGlas);
+        editContext.OnValidationRequested += editContext_OnValidationRequested;
+        valMessages = new(editContext);
+    }
+
+    private void Bild_OnChange(InputFileChangeEventArgs e)
+    {
+        NewImage = e.GetMultipleFiles().FirstOrDefault();
+    }
+
+    private void ModifyAmount(int amount)
+    {
+        curGlas.Fuellmenge = Math.Max(curGlas.Fuellmenge + amount, 0);
+    }
+
+    private void editContext_OnValidationRequested(object? sender, ValidationRequestedEventArgs args)
+    {
+        valMessages?.Clear();
+        if (curGlas.Fuellmenge <= 0) valMessages?.Add(() => curGlas.Fuellmenge, "Füllmenge muss größer 0 sein!");
+    }
+
+
+    private async Task OnSubmit()
+    {
+        _DataContext ??= await DataContextFactory.CreateDbContextAsync();
+
+        if (curGlas != null && _DataContext != null)
+        {
+            if (id != null)
+            {
+                _DataContext.Glasses.Update(curGlas);
+            }
+            else
+            {
+                _DataContext.Glasses.Add(curGlas);
+            }
+            await _DataContext.SaveChangesAsync();
+
+            if (NewImage != null)
+            {
+                try
+                {
+                    // Bild hochladen
+                    var relativeuploadpath = Path.Join(Config.Value.ImageUploadDir, $"glas_{curGlas.Id}{Path.GetExtension(NewImage.Name)}");
+                    var fullpath = Path.Join(env.WebRootPath, relativeuploadpath);
+                    string? folder = Path.GetDirectoryName(fullpath);
+                    if (folder != null && !Path.Exists(folder)) Directory.CreateDirectory(folder);
+
+                    Stream stream = NewImage.OpenReadStream(maxAllowedSize: Config.Value.MaxAllowedUploadSizeInMB * 1024 * 1024);
+                    FileStream fs = File.Create(fullpath);
+                    await stream.CopyToAsync(fs);
+                    stream.Close();
+                    fs.Close();
+                    curGlas.ImageURL = relativeuploadpath;
+                    // URL hinterlegen und wieder speichern
+                    _DataContext.Glasses.Update(curGlas);
+                    await _DataContext.SaveChangesAsync();
+                }
+                catch (Exception ex)
+                {
+                    Console.WriteLine($"Error uploading image: {ex.Message}");
+                }
+            }
+        }
+        nav.NavigateTo(PrevPageURL);
+    }
+
+}

CocktailWeb/Pages/Settings/Glasses.razor

@@ -1,10 +1,90 @@
 @page "/settings/glasses"
+@using CocktailWeb.Data
 @using Microsoft.AspNetCore.Components.Sections
+@using Microsoft.EntityFrameworkCore
+@inject IDbContextFactory<DbDataContext> DataContextFactory
 
 <SectionContent SectionId="TopRow.Title">
     <label>Einstellungen - Gläser</label>
 </SectionContent>
 
+
+<a class="btn btn-primary mb-3" href="/settings/glasses/edit">Glas hinzufügen</a>
+
+<div class="table-responsive">
+    <table class="table table-striped table-hover table-bordered table-dark border-dark">
+        <tbody>
+            @foreach (Glas g in GlassList)
+            {
+                <tr>
+                    <td class="p-0" style="width:64px"><img src="@g.ImageURL" style="max-width:100%; max-height:auto;" /></td>
+                    <td style="vertical-align:middle;">@g.DisplayName</td>
+                    <td style="text-align:right; vertical-align:middle;">
+                        <a class="btn btn-primary" href="/settings/glasses/edit/@g.Id">Bearbeiten</a>
+                        <button name="submit" type="submit" class="btn btn-outline-danger" @onclick="() => ConfirmDeleteAsync(g)">Löschen</button>
+                    </td>
+                </tr>
+            }
+        </tbody>
+    </table>
+</div>
+
+<ModalComponent @ref="modal">
+    <Title>Löschen bestätigen</Title>
+    <Body>
+        Willst du das Glas wirklich löschen?
+    </Body>
+    <Footer>
+        <button class="btn btn-danger" @onclick="DeleteGlassAsync">Jo</button>
+        <button class="btn btn-primary" @onclick="CloseDialogAsync">Nee</button>
+    </Footer>
+</ModalComponent>
+
 @code {
+    private List<Glas> GlassList = new();
+    private DbDataContext? _DataContext;
+
+    private ModalComponent modal = null!;
+    private Glas? SelectedGlas;
+
+    protected override async Task OnInitializedAsync()
+    {
+        await ShowGlassesAsync();
+    }
+
+    private async Task ShowGlassesAsync()
+    {
+        _DataContext ??= await DataContextFactory.CreateDbContextAsync();
+        if (_DataContext != null)
+        {
+            GlassList =  _DataContext.Glasses.OrderBy(g => g.Fuellmenge).ToList();
+        }
+    }
+
+    private async Task ConfirmDeleteAsync(Glas g)
+    {
+        SelectedGlas = g;
+        await modal.ShowAsync();
+    }
+
+    private async Task DeleteGlassAsync()
+    {
+        if (SelectedGlas == null) return;
+        _DataContext ??= await DataContextFactory.CreateDbContextAsync();
+        if (_DataContext != null)
+        {
+            _DataContext.Glasses.Remove(SelectedGlas);
+            await _DataContext.SaveChangesAsync();
+            await ShowGlassesAsync();
+        }
+        await CloseDialogAsync();
+    }
+
+    private async Task CloseDialogAsync()
+    {
+        SelectedGlas = null;
+        await modal.CloseAsync();
+    }
+
 
 }

CocktailWeb/Pages/Settings/Ingredients.razor

@@ -105,12 +105,12 @@
         if (CocktailsWithIngredient.Count > 0)
         {
             InfoText = String.Join(", ", CocktailsWithIngredient.Select(c => c.Name).ToArray());
-            await dlgInfo.OpenModal();
+            await dlgInfo.ShowAsync();
         }
         else
         {
             SelectedIngredient = fl;
-            await dlgDelete.OpenModal();
+            await dlgDelete.ShowAsync();
         }
     }
 
@@ -133,6 +133,6 @@
     private async Task CloseDialog(ModalComponent dlg)
     {
         SelectedIngredient = null;
-        await dlg.Close();
+        await dlg.CloseAsync();
     }
 }

CocktailWeb/Pages/Settings/Machine.razor.cs

@@ -35,7 +35,7 @@ namespace CocktailWeb.Pages.Settings
         {
             SelectedFiller = f;
             SelectedFlasche = f.Flasche;
-            await modal.OpenModal();
+            await modal.ShowAsync();
         }
 
 
@@ -63,7 +63,7 @@ namespace CocktailWeb.Pages.Settings
         {
             SelectedFiller = null;
             SelectedFlasche = null;
-            await modal.Close();
+            await modal.CloseAsync();
         }
     }
 }

CocktailWeb/Shared/TopRow.razor

@@ -104,14 +104,14 @@
 
     private async Task OpenDialog()
     {
-        await Pwd_Dialog.OpenModal();
+        await Pwd_Dialog.ShowAsync();
     }
 
     private async Task CloseDialog()
     {
         Pwd_ErrorText = null;
         Pwd_inputPassword = null;
-        await Pwd_Dialog.Close();
+        await Pwd_Dialog.CloseAsync();
     }