Refactor interaction and user deletion logic

Consolidated repeated methods for interaction/user deletion into reusable components to improve maintainability. Introduced a `ConfirmDialog` for consistent confirmation UI and streamlined associated logic across pages. Removed redundant methods and enhanced admin-specific page security checks.

FoodsharingSiegen.Server/App.razor

@@ -1,4 +1,4 @@
-<Blazorise.ThemeProvider Theme="@theme">
+<Blazorise.ThemeProvider Theme="@_theme">
     <Router AppAssembly="@typeof(App).Assembly">
         <Found Context="routeData">
             <AuthorizeRouteView RouteData="@routeData" DefaultLayout="@typeof(DefaultLayout)">
@@ -13,15 +13,14 @@
         </NotFound>
     </Router>
 
-    <MessageProvider />
     <ModalProvider Centered="true" />
 </Blazorise.ThemeProvider>
 
 
 @code{
-    private Theme theme = new()
+    private readonly Theme _theme = new()
     {
-        ColorOptions = new ThemeColorOptions
+        ColorOptions = new()
         {
             Primary = "#64ae24",
             Secondary = "#533a20",

FoodsharingSiegen.Server/BaseClasses/FsBase.cs

@@ -31,12 +31,6 @@ namespace FoodsharingSiegen.Server.BaseClasses
         [Inject]
         protected AuthService AuthService { get; set; } = null!;
 
-        /// <summary>
-        ///     Gets or sets the value of the message (ab)
-        /// </summary>
-        [Inject]
-        protected IMessageService Message { get; set; } = null!;
-
         /// <summary>
         ///     Gets or sets the modal service for handling modals within the application
         /// </summary>

FoodsharingSiegen.Server/Controls/ProspectContainer.razor.cs

@@ -8,59 +8,83 @@ namespace FoodsharingSiegen.Server.Controls
 {
     public partial class ProspectContainer
     {
-        [Parameter] public Prospect? Prospect { get; set; }
+        #region Dependencies
-        
-        [Parameter] public ProspectStateFilter StateFilter { get; set; }
-        
-        [Parameter] public string? CssClass { get; set; }
-        
-        [Parameter] public Func<Task>? OnDataChanged { get; set; }
-
-       
-        private async Task AddInteraction(InteractionType type)
-        {
-            if (Prospect != null && OnDataChanged != null)
-            {
-                var headerText = $"{type.Translate(AppSettings)} eintragen";
-                
-                await InteractionDialog.ShowAsync(ModalService, new(type, Prospect.Id, headerText, OnDataChanged));
-            }
-                
-        }
-
-        private List<Interaction> GetTyped(InteractionType type)
-        {
-            return Prospect?.Interactions?.Where(x => x.Type == type).ToList() ?? [];
-        }
-
-        private async Task EditProspectAsync()
-        {
-            await EditProspectDialog.ShowAsync(ModalService, () => InvokeAsync(StateHasChanged), Prospect);
-        }
 
         /// <summary>
         ///     Gets or sets the value of the prospect service (ab)
         /// </summary>
         [Inject]
         public ProspectService ProspectService { get; set; } = null!;
-        
+
+        #endregion
+
+        #region Parameters
+
+        [Parameter]
+        public string? CssClass { get; set; }
+
+        [Parameter]
+        public Func<Task>? OnDataChanged { get; set; }
+
+        [Parameter]
+        public Prospect? Prospect { get; set; }
+
+        [Parameter]
+        public ProspectStateFilter StateFilter { get; set; }
+
+        #endregion
+
+        #region Private Method AddInteraction
+
+        private async Task AddInteraction(InteractionType type)
+        {
+            if (Prospect != null && OnDataChanged != null)
+            {
+                var headerText = $"{type.Translate(AppSettings)} eintragen";
+
+                await InteractionDialog.ShowAsync(ModalService, new(type, Prospect.Id, headerText, OnDataChanged));
+            }
+        }
+
+        #endregion
+
+        #region Private Method EditProspectAsync
+
+        private async Task EditProspectAsync()
+        {
+            await EditProspectDialog.ShowAsync(ModalService, () => InvokeAsync(StateHasChanged), Prospect);
+        }
+
+        #endregion
+
+        #region Private Method GetTyped
+
+        private List<Interaction> GetTyped(InteractionType type)
+        {
+            return Prospect?.Interactions?.Where(x => x.Type == type).ToList() ?? [];
+        }
+
+        #endregion
+
+        #region Private Method RemoveInteraction
+
+        /// <summary>
+        ///     Removes a specified interaction by its identifier. Displays a confirmation dialog to the user before performing the removal.
+        /// </summary>
+        /// <param name="arg">The unique identifier of the interaction to be removed.</param>
+        /// <returns>A task that represents the asynchronous operation.</returns>
         private async Task RemoveInteraction(Guid arg)
         {
             var type = Prospect?.Interactions.FirstOrDefault(x => x.Id == arg)?.Type;
             var typeName = type != null ? type.Value.Translate(AppSettings) : "Interaktion";
-            
-            var confirm = await Message.Confirm($"{typeName} wirklich entfernen?", "Bestätigen", o =>
-            {
-                o.ConfirmButtonText = "Ja, wirklich!";
-                o.CancelButtonText = "Abbrechen";
-                o.ShowMessageIcon = false;
-            });
 
-            if (confirm)
+            await ConfirmDialog.ShowAsync(ModalService, "Bestätigen", $"{typeName} wirklich entfernen?", async () =>
             {
                 var removeR = await ProspectService.RemoveInteraction(arg);
-                if(removeR.Success && OnDataChanged != null) await OnDataChanged();
+                if (removeR.Success && OnDataChanged != null) await OnDataChanged();
-            }
+            });
         }
+
+        #endregion
     }
 }

FoodsharingSiegen.Server/Dialogs/ConfirmDialog.razor

@@ -0,0 +1,10 @@
+@inherits FsBase
+
+<div class="mt-1 mb-3">
+  @Message
+</div>
+
+<div class="d-flex justify-content-end">
+  <Button Color="Color.Secondary" Clicked="@ModalService.Hide">Abbrechen</Button>
+  <Button Color="Color.Primary" Clicked="@ConfirmClickAsync" Class="ml-2">OK</Button>
+</div>

FoodsharingSiegen.Server/Dialogs/ConfirmDialog.razor.cs

@@ -0,0 +1,63 @@
+using Blazorise;
+using FoodsharingSiegen.Server.BaseClasses;
+using Microsoft.AspNetCore.Components;
+
+namespace FoodsharingSiegen.Server.Dialogs
+{
+    public partial class ConfirmDialog : FsBase
+    {
+        #region Parameters
+
+        [Parameter]
+        public Func<Task>? OnConfirm { get; set; }
+
+        [Parameter]
+        public string? Message { get; set; }
+
+        #endregion
+
+        #region Public Method ShowAsync
+
+        /// <summary>
+        /// Displays the confirm dialog with the specified title, message, and confirmation action.
+        /// </summary>
+        /// <param name="modalService">The modal service used to display the dialog.</param>
+        /// <param name="title">The title of the confirmation dialog. Defaults to "Bestätigen" if null.</param>
+        /// <param name="message">The message displayed in the confirmation dialog.</param>
+        /// <param name="onConfirm">The action to invoke when the user confirms.</param>
+        /// <returns>A task that represents the asynchronous operation of displaying the dialog.</returns>
+        public static async Task ShowAsync(IModalService modalService, string? title, string? message, Func<Task> onConfirm)
+        {
+            title ??= "Bestätigen";
+
+            var x = new Action<ModalProviderParameterBuilder<ConfirmDialog>>(b =>
+            {
+                b.Add(nameof(OnConfirm), onConfirm);
+                b.Add(nameof(Message), message);
+            });
+
+            var options = new ModalInstanceOptions
+            {
+                Size = ModalSize.Small
+            };
+
+            await modalService.Show(title, x, options);
+        }
+
+        #endregion
+
+        #region Private Method ConfirmClickAsync
+
+        /// <summary>
+        ///     Invokes the confirmation action if it is set.
+        /// </summary>
+        /// <returns>A task that represents the asynchronous operation.</returns>
+        private async Task ConfirmClickAsync()
+        {
+            if (OnConfirm != null) await OnConfirm.Invoke();
+            await ModalService.Hide();
+        }
+
+        #endregion
+    }
+}

FoodsharingSiegen.Server/Pages/Prospects.razor.cs

@@ -81,31 +81,5 @@ namespace FoodsharingSiegen.Server.Pages
         }
 
         #endregion
-
-        #region Private Method RemoveInteractionAsync
-
-        /// <summary>
-        ///     Removes the interaction using the specified arg (a. beging, 11.04.2022)
-        /// </summary>
-        /// <param name="arg">The arg</param>
-        private async Task RemoveInteractionAsync(Guid arg)
-        {
-            var confirm = await Message.Confirm("Interaktion wirklich löschen?", "Bestätigen", o =>
-            {
-                o.ConfirmButtonText = "Ja, wirklich!";
-                o.CancelButtonText = "Abbrechen";
-                o.ShowMessageIcon = false;
-            });
-
-            if (confirm)
-            {
-                await ProspectService.RemoveInteraction(arg);
-                await LoadProspects();
-            }
-
-            await InvokeAsync(StateHasChanged);
-        }
-
-        #endregion
     }
 }

FoodsharingSiegen.Server/Pages/ProspectsAll.razor

@@ -3,9 +3,9 @@
 @using FoodsharingSiegen.Shared.Helper
 @inherits FsBase
 
-<PageTitle>Freischalten - @AppSettings.Terms.Title</PageTitle>
+<PageTitle>Alle (Admin) - @AppSettings.Terms.Title</PageTitle>
 
-<h2>Freischalten</h2>
+<h2>Alle (Admin)</h2>
 
 @{
     var filterList = ProspectList.ApplyFilter(Filter);

FoodsharingSiegen.Server/Pages/ProspectsAll.razor.cs

@@ -1,4 +1,5 @@
 using FoodsharingSiegen.Contracts.Entity;
+using FoodsharingSiegen.Contracts.Helper;
 using FoodsharingSiegen.Contracts.Model;
 using FoodsharingSiegen.Server.Data.Service;
 using FoodsharingSiegen.Server.Dialogs;
@@ -43,6 +44,8 @@ namespace FoodsharingSiegen.Server.Pages
         /// <inheritdoc />
         protected override async Task InitializeDataAsync()
         {
+            if(!CurrentUser.IsAdmin()) NavigationManager.NavigateTo("/");
+            
             // Load prospects
             await LoadProspects();
         }
@@ -64,45 +67,5 @@ namespace FoodsharingSiegen.Server.Pages
         }
 
         #endregion
-
-        #region Private Method OnUpdateProspect
-
-        /// <summary>
-        ///     Ons the update prospect using the specified prospect (a. beging, 11.04.2022)
-        /// </summary>
-        /// <param name="prospect">The prospect</param>
-        private async Task OnUpdateProspect(Prospect prospect)
-        {
-            var updateProspectR = await ProspectService.UpdateAsync(prospect);
-            if (updateProspectR.Success) await LoadProspects();
-        }
-
-        #endregion
-
-        #region Private Method RemoveInteraction
-
-        /// <summary>
-        ///     Removes the interaction using the specified arg (a. beging, 11.04.2022)
-        /// </summary>
-        /// <param name="arg">The arg</param>
-        private async Task RemoveInteraction(Guid arg)
-        {
-            var confirm = await Message.Confirm("Interaktion wirklich löschen?", "Bestätigen", o =>
-            {
-                o.ConfirmButtonText = "Ja, wirklich!";
-                o.CancelButtonText = "Abbrechen";
-                o.ShowMessageIcon = false;
-            });
-
-            if (confirm)
-            {
-                await ProspectService.RemoveInteraction(arg);
-                await LoadProspects();
-            }
-
-            await InvokeAsync(StateHasChanged);
-        }
-
-        #endregion
     }
 }

FoodsharingSiegen.Server/Pages/ProspectsDone.razor.cs

@@ -56,31 +56,5 @@ namespace FoodsharingSiegen.Server.Pages
         }
 
         #endregion
-
-        #region Private Method RemoveInteraction
-
-        /// <summary>
-        ///     Removes the interaction using the specified arg (a. beging, 11.04.2022)
-        /// </summary>
-        /// <param name="arg">The arg</param>
-        private async Task RemoveInteraction(Guid arg)
-        {
-            var confirm = await Message.Confirm("Interaktion wirklich löschen?", "Bestätigen", o =>
-            {
-                o.ConfirmButtonText = "Ja, wirklich!";
-                o.CancelButtonText = "Abbrechen";
-                o.ShowMessageIcon = false;
-            });
-
-            if (confirm)
-            {
-                await ProspectService.RemoveInteraction(arg);
-                await LoadProspects();
-            }
-
-            await InvokeAsync(StateHasChanged);
-        }
-
-        #endregion
     }
 }

FoodsharingSiegen.Server/Pages/ProspectsVerify.razor.cs

@@ -68,45 +68,5 @@ namespace FoodsharingSiegen.Server.Pages
         }
 
         #endregion
-
-        #region Private Method OnUpdateProspect
-
-        /// <summary>
-        ///     Ons the update prospect using the specified prospect (a. beging, 11.04.2022)
-        /// </summary>
-        /// <param name="prospect">The prospect</param>
-        private async Task OnUpdateProspect(Prospect prospect)
-        {
-            var updateProspectR = await ProspectService.UpdateAsync(prospect);
-            if (updateProspectR.Success) await LoadProspects();
-        }
-
-        #endregion
-
-        #region Private Method RemoveInteraction
-
-        /// <summary>
-        ///     Removes the interaction using the specified arg (a. beging, 11.04.2022)
-        /// </summary>
-        /// <param name="arg">The arg</param>
-        private async Task RemoveInteraction(Guid arg)
-        {
-            var confirm = await Message.Confirm("Interaktion wirklich löschen?", "Bestätigen", o =>
-            {
-                o.ConfirmButtonText = "Ja, wirklich!";
-                o.CancelButtonText = "Abbrechen";
-                o.ShowMessageIcon = false;
-            });
-
-            if (confirm)
-            {
-                await ProspectService.RemoveInteraction(arg);
-                await LoadProspects();
-            }
-
-            await InvokeAsync(StateHasChanged);
-        }
-
-        #endregion
     }
 }

FoodsharingSiegen.Server/Pages/Users.razor

@@ -38,10 +38,7 @@
           PopupTitleTemplate="PopupTitleTemplate"
           RowInserted="RowInserted"
           RowUpdated="RowUpdated"
-          RowRemoving="RowRemoving"
-          RowRemoved="RowRemoved"
           PageSize="50"
-          
           @bind-SelectedRow="SelectedUser"
           RowDoubleClicked="arg => UserDataGrid?.Edit(arg.Item)!"
           Editable
@@ -59,7 +56,7 @@
                 </Button>
             </EditCommandTemplate>
             <DeleteCommandTemplate>
-                <Button Size="Size.ExtraSmall" Color="Color.Danger" Clicked="@context.Clicked" Class="mr-1" Style="min-width: auto;">
+                <Button Size="Size.ExtraSmall" Color="Color.Danger" Clicked="() => RemoveUserAsync(context.Item)" Class="mr-1" Style="min-width: auto;">
                     <i class="oi oi-trash"></i>
                 </Button>
             </DeleteCommandTemplate>

FoodsharingSiegen.Server/Pages/Users.razor.cs

@@ -1,4 +1,3 @@
-using Blazorise;
 using Blazorise.DataGrid;
 using FoodsharingSiegen.Contracts.Entity;
 using FoodsharingSiegen.Contracts.Helper;
@@ -63,6 +62,7 @@ namespace FoodsharingSiegen.Server.Pages
         /// <inheritdoc />
         protected override async Task InitializeDataAsync()
         {
+            if (!CurrentUser.IsAdmin()) NavigationManager.NavigateTo("/");
             await LoadUsers();
         }
 
@@ -98,6 +98,33 @@ namespace FoodsharingSiegen.Server.Pages
 
         #endregion
 
+        #region Private Method RemoveUserAsync
+
+        /// <summary>
+        ///     Removes the specified user if they are not an admin, after confirming the action with a dialog.
+        /// </summary>
+        /// <param name="user">The user to be removed.</param>
+        /// <returns>A task that represents the asynchronous remove operation.</returns>
+        private async Task RemoveUserAsync(User user)
+        {
+            if (user.IsAdmin())
+            {
+                await Notification.Error("Admins können nicht gelöscht werden!");
+                return;
+            }
+
+            await ConfirmDialog.ShowAsync(ModalService, "Bestätigen", $"User {user.Mail} löschen?", async () =>
+            {
+                var removeR = await UserService.RemoveAsync(user.Id);
+                if (!removeR.Success)
+                    await Notification.Error($"Löschen: {removeR.ErrorMessage}")!;
+                else
+                    await LoadUsers();
+            });
+        }
+
+        #endregion
+
         #region Private Method RowInserted
 
         /// <summary>
@@ -115,51 +142,6 @@ namespace FoodsharingSiegen.Server.Pages
 
         #endregion
 
-        #region Private Method RowRemoved
-
-        /// <summary>
-        ///     Rows the removed using the specified arg (a. beging, 08.02.2023)
-        /// </summary>
-        /// <param name="arg">The arg</param>
-        private async Task RowRemoved(User arg)
-        {
-            var removeR = await UserService.RemoveAsync(arg.Id);
-            if (!removeR.Success)
-                await Notification.Error($"Löschen: {removeR.ErrorMessage}")!;
-            else
-                await LoadUsers();
-        }
-
-        #endregion
-
-        #region Private Method RowRemoving
-
-        /// <summary>
-        ///     Rows the removing using the specified arg (a. beging, 08.02.2023)
-        /// </summary>
-        /// <param name="arg">The arg</param>
-        private async Task RowRemoving(CancellableRowChange<User> arg)
-        {
-            if (arg.Item.IsAdmin())
-            {
-                await Notification.Error("Admins können nicht gelöscht werden!");
-                arg.Cancel = true;
-                return;
-            }
-
-            var confirm = await Message.Confirm($"User {arg.Item.Mail} löschen?", "Bestätigen", o =>
-            {
-                o.ConfirmButtonText = "Löschen";
-                o.CancelButtonText = "Abbrechen";
-                o.ShowMessageIcon = false;
-                o.ConfirmButtonColor = Color.Danger;
-            });
-
-            arg.Cancel = !confirm;
-        }
-
-        #endregion
-
         #region Private Method RowUpdated
 
         /// <summary>