Finish dekete an item

blazor_lab/App.razor

@@ -1,12 +1,14 @@
-<Router AppAssembly="@typeof(App).Assembly">
+<CascadingBlazoredModal>
-    <Found Context="routeData">
+    <Router AppAssembly="@typeof(App).Assembly">
-        <RouteView RouteData="@routeData" DefaultLayout="@typeof(MainLayout)" />
+        <Found Context="routeData">
-        <FocusOnNavigate RouteData="@routeData" Selector="h1" />
+            <RouteView RouteData="@routeData" DefaultLayout="@typeof(MainLayout)" />
-    </Found>
+            <FocusOnNavigate RouteData="@routeData" Selector="h1" />
-    <NotFound>
+        </Found>
-        <PageTitle>Not found</PageTitle>
+        <NotFound>
-        <LayoutView Layout="@typeof(MainLayout)">
+            <PageTitle>Not found</PageTitle>
-            <p role="alert">Sorry, there's nothing at this address.</p>
+            <LayoutView Layout="@typeof(MainLayout)">
-        </LayoutView>
+                <p role="alert">Sorry, there's nothing at this address.</p>
-    </NotFound>
+            </LayoutView>
-</Router>
+        </NotFound>
+    </Router>
+</CascadingBlazoredModal>

blazor_lab/Modals/DeleteConfirmation.razor

@@ -0,0 +1,10 @@
+<div class="simple-form">
+
+    <p>
+        Are you sure you want to delete @item.DisplayName ?
+    </p>
+
+    <button @onclick="ConfirmDelete" class="btn btn-primary">Delete</button>
+
+    <button @onclick="Cancel" class="btn btn-secondary">Cancel</button>
+</div>

blazor_lab/Modals/DeleteConfirmation.razor.cs

@@ -0,0 +1,38 @@
+using blazor_lab.Models;
+using blazor_lab.Services;
+using Blazored.Modal.Services;
+using Blazored.Modal;
+using Microsoft.AspNetCore.Components;
+
+namespace blazor_lab.Modals
+{
+    public partial class DeleteConfirmation
+    {
+        [CascadingParameter]
+        public BlazoredModalInstance ModalInstance { get; set; }
+
+        [Inject]
+        public IDataService DataService { get; set; }
+
+        [Parameter]
+        public int Id { get; set; }
+
+        private Item item = new();
+
+        protected override async Task OnInitializedAsync()
+        {
+            // Get the item
+            item = await DataService.GetById(Id);
+        }
+
+        void ConfirmDelete()
+        {
+            ModalInstance.CloseAsync(ModalResult.Ok(true));
+        }
+
+        void Cancel()
+        {
+            ModalInstance.CancelAsync();
+        }
+    }
+}

blazor_lab/Pages/List.razor

@@ -55,6 +55,9 @@
                 <a href="edit/@(context.Id)" class="btn btn-primary">
                     <i class="fa fa-edit" /> Editer
                 </a>
+                <button type="button" class="btn btn-primary" @onclick="() => OnDeleteAsync(context.Id)">
+                    <i class="fa fa-trash"></i> Supprimer
+                </button>
             </DisplayTemplate>
         </DataGridColumn>
     </DataGrid>

blazor_lab/Pages/List.razor.cs

@@ -1,6 +1,8 @@
-using blazor_lab.Models;
+using blazor_lab.Modals;
+using blazor_lab.Models;
 using blazor_lab.Services;
-using Blazored.LocalStorage;
+using Blazored.Modal;
+using Blazored.Modal.Services;
 using Blazorise.DataGrid;
 using Microsoft.AspNetCore.Components;
 
@@ -18,6 +20,12 @@ namespace blazor_lab.Pages
         [Inject]
         public IWebHostEnvironment WebHostEnvironment { get; set; }
 
+        [Inject]
+        public NavigationManager NavigationManager { get; set; }
+
+        [CascadingParameter]
+        public IModalService Modal { get; set; }
+
         protected override async Task OnAfterRenderAsync(bool firstRender)
         {
             // Do not treat this action if is not the first render
@@ -47,5 +55,26 @@ namespace blazor_lab.Pages
         {
             items = await DataService.List(1, 10);
         }
+
+        private async Task OnDeleteAsync(int id)
+        {
+            var parameters = new ModalParameters
+            {
+                { nameof(Item.Id), id }
+            };
+
+            var modal = Modal.Show<DeleteConfirmation>("Delete Confirmation", parameters);
+            var result = await modal.Result;
+
+            if (result.Cancelled)
+            {
+                return;
+            }
+
+            await DataService.Delete(id);
+
+            // Reload the page
+            NavigationManager.NavigateTo("list", true);
+        }
     }
 }

blazor_lab/Pages/_Layout.cshtml

@@ -28,6 +28,8 @@
     </div>
 
     <script src="_framework/blazor.server.js"></script>
+    <script src="_content/Blazored.Modal/blazored.modal.js"></script>
+    <link href="_content/Blazored.Modal/blazored-modal.css" rel="stylesheet" />
     <link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.15.4/css/all.css">
     <link href="_content/Blazorise/blazorise.css" rel="stylesheet" />
     <link href="_content/Blazorise.Bootstrap/blazorise.bootstrap.css" rel="stylesheet" /></body>

blazor_lab/Program.cs

@@ -4,6 +4,7 @@ using Blazorise.Bootstrap;
 using Blazorise.Icons.FontAwesome;
 using Blazored.LocalStorage;
 using blazor_lab.Services;
+using Blazored.Modal;
 
 var builder = WebApplication.CreateBuilder(args);
 
@@ -22,6 +23,7 @@ builder.Services
 builder.Services.AddBlazoredLocalStorage();
 
 builder.Services.AddScoped<IDataService, DataLocalService>();
+builder.Services.AddBlazoredModal();
 
 var app = builder.Build();
 

blazor_lab/_Imports.razor

@@ -9,3 +9,5 @@
 @using blazor_lab
 @using blazor_lab.Shared
 @using Blazorise.DataGrid
+@using Blazored.Modal
+@using Blazored.Modal.Services

blazor_lab/blazor_lab.csproj

@@ -8,6 +8,7 @@
 
   <ItemGroup>
     <PackageReference Include="Blazored.LocalStorage" Version="4.3.0" />
+    <PackageReference Include="Blazored.Modal" Version="7.1.0" />
     <PackageReference Include="Blazorise.Bootstrap" Version="1.1.5" />
     <PackageReference Include="Blazorise.DataGrid" Version="1.1.5" />
     <PackageReference Include="Blazorise.Icons.FontAwesome" Version="1.1.5" />

new 1.txt

@@ -0,0 +1,36 @@
+TP2
+	1
+		A
+Le problème reader/writer est différent.
+Dans notre cas, on veut que des clients et des patissiers accèdent à une ressource partagée ; l'une en "lecture", l'autre en "écriture"
+Mais on veut aussi empêcher un client de prendre une patisserie s'il n'yen a aucune de prete, par exemple. 
+Ca ressemble beaucoup plus à un problème producer/consumer.
+
+		B
+La boutique peut jouer le role de moniteur, comme elle gère les inputs outputs et connait le stock
+Elle définit un buffer de taille n, puis
+put() {
+	if(getstock() == n) {
+		notFull.await(); // ne pas ajouter si plein
+	}
+	/*
+	do the putting ...
+	*/
+	// stock++ if necessary
+	notEmpty.signal(); // annoncer que non vide
+}
+Symmétriquement, 
+get() {
+	if(getstock() == 0) {
+		notEmpty.await(); // ne pas prendre si vide
+	}
+	/*
+	do the getting ...
+	*/
+	// stock-- if necessary
+	notFull.signal(); // annoncer que non plein
+}
+
+Avec un arrayList, on pourra / devra implémenter un buffer circulaire, càd tracer la tete et la queue en indexes variables qu'on incrémente, modulo, tout le bazar
+
+Depuis le main, on start() les Customers et PastryChefs qui héritent de Runnable