TP2

BlazorTuto/BlazorTuto.csproj

@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk.Web">
+<Project Sdk="Microsoft.NET.Sdk.Web">
 
   <PropertyGroup>
     <TargetFramework>net6.0</TargetFramework>
@@ -7,6 +7,7 @@
   </PropertyGroup>
 
   <ItemGroup>
+    <PackageReference Include="Blazored.LocalStorage" Version="4.2.0" />
     <PackageReference Include="Blazorise.Bootstrap" Version="1.1.2" />
     <PackageReference Include="Blazorise.DataGrid" Version="1.1.2" />
     <PackageReference Include="Blazorise.Icons.FontAwesome" Version="1.1.2" />

BlazorTuto/Models/ItemModel.cs

@@ -0,0 +1,37 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace BlazorTuto.Models
+{
+    public class ItemModel
+    {
+        public int Id { get; set; }
+
+        [Required]
+        [StringLength(50, ErrorMessage = "The display name must not exceed 50 characters.")]
+        public string DisplayName { get; set; }
+
+        [Required]
+        [StringLength(50, ErrorMessage = "The name must not exceed 50 characters.")]
+        [RegularExpression(@"^[a-z''-'\s]{1,40}$", ErrorMessage = "Only lowercase characters are accepted.")]
+        public string Name { get; set; }
+
+        [Required]
+        [Range(1, 64)]
+        public int StackSize { get; set; }
+
+        [Required]
+        [Range(1, 125)]
+        public int MaxDurability { get; set; }
+
+        public List<string> EnchantCategories { get; set; }
+
+        public List<string> RepairWith { get; set; }
+
+        [Required]
+        [Range(typeof(bool), "true", "true", ErrorMessage = "You must agree to the terms.")]
+        public bool AcceptCondition { get; set; }
+
+        [Required(ErrorMessage = "The image of the item is mandatory!")]
+        public byte[] ImageContent { get; set; }
+    }
+}

BlazorTuto/Pages/Add.razor

@@ -0,0 +1,69 @@
+@page "/add"
+
+<h3>Add</h3>
+
+<EditForm Model="@itemModel" OnValidSubmit="@HandleValidSubmit">
+    <DataAnnotationsValidator />
+    <ValidationSummary />
+
+    <p>
+        <label for="display-name">
+            Display name:
+            <InputText id="display-name" @bind-Value="itemModel.DisplayName" />
+        </label>
+    </p>
+    <p>
+        <label for="name">
+            Name:
+            <InputText id="name" @bind-Value="itemModel.Name" />
+        </label>
+    </p>
+    <p>
+        <label for="stack-size">
+            Stack size:
+            <InputNumber id="stack-size" @bind-Value="itemModel.StackSize" />
+        </label>
+    </p>
+    <p>
+        <label for="max-durability">
+            Max durability:
+            <InputNumber id="max-durability" @bind-Value="itemModel.MaxDurability" />
+        </label>
+    </p>
+    <p>
+        Enchant categories:
+        <div>
+            @foreach (var item in enchantCategories)
+            {
+                <label>
+                    <input type="checkbox" @onchange="@(e => OnEnchantCategoriesChange(item, e.Value))" />@item
+                </label>
+            }
+        </div>
+    </p>
+    <p>
+        Repair with:
+        <div>
+            @foreach (var item in repairWith)
+            {
+                <label>
+                    <input type="checkbox" @onchange="@(e => OnRepairWithChange(item, e.Value))" />@item
+                </label>
+            }
+        </div>
+    </p>
+    <p>
+        <label>
+            Item image:
+            <InputFile OnChange="@LoadImage" accept=".png" />
+        </label>
+    </p>
+    <p>
+        <label>
+            Accept Condition:
+            <InputCheckbox @bind-Value="itemModel.AcceptCondition" />
+        </label>
+    </p>
+
+    <button type="submit">Submit</button>
+</EditForm>

BlazorTuto/Pages/Add.razor.cs

@@ -0,0 +1,121 @@
+using Blazored.LocalStorage;
+using BlazorTuto.Models;
+using Microsoft.AspNetCore.Components.Forms;
+using Microsoft.AspNetCore.Components;
+
+namespace BlazorTuto.Pages
+{
+    public partial class Add
+    {
+        [Inject]
+        public ILocalStorageService LocalStorage { get; set; }
+
+        [Inject]
+        public IWebHostEnvironment WebHostEnvironment { get; set; }
+
+        /// <summary>
+        /// The default enchant categories.
+        /// </summary>
+        private List<string> enchantCategories = new List<string>() { "armor", "armor_head", "armor_chest", "weapon", "digger", "breakable", "vanishable" };
+
+        /// <summary>
+        /// The default repair with.
+        /// </summary>
+        private List<string> repairWith = new List<string>() { "oak_planks", "spruce_planks", "birch_planks", "jungle_planks", "acacia_planks", "dark_oak_planks", "crimson_planks", "warped_planks" };
+
+        /// <summary>
+        /// The current item model
+        /// </summary>
+        private ItemModel itemModel = new()
+        {
+            EnchantCategories = new List<string>(),
+            RepairWith = new List<string>()
+        };
+
+        private async void HandleValidSubmit()
+        {
+            // Get the current data
+            var currentData = await LocalStorage.GetItemAsync<List<Item>>("data");
+
+            // Simulate the Id
+            itemModel.Id = currentData.Max(s => s.Id) + 1;
+
+            // Add the item to the current data
+            currentData.Add(new Item
+            {
+                Id = itemModel.Id,
+                DisplayName = itemModel.DisplayName,
+                Name = itemModel.Name,
+                RepairWith = itemModel.RepairWith,
+                EnchantCategories = itemModel.EnchantCategories,
+                MaxDurability = itemModel.MaxDurability,
+                StackSize = itemModel.StackSize,
+                CreatedDate = DateTime.Now
+            });
+
+            // Save the image
+            var imagePathInfo = new DirectoryInfo($"{WebHostEnvironment.WebRootPath}/images");
+
+            // Check if the folder "images" exist
+            if (!imagePathInfo.Exists)
+            {
+                imagePathInfo.Create();
+            }
+
+            // Determine the image name
+            var fileName = new FileInfo($"{imagePathInfo}/{itemModel.Name}.png");
+
+            // Write the file content
+            await File.WriteAllBytesAsync(fileName.FullName, itemModel.ImageContent);
+
+            // Save the data
+            await LocalStorage.SetItemAsync("data", currentData);
+        }
+
+        private async Task LoadImage(InputFileChangeEventArgs e)
+        {
+            // Set the content of the image to the model
+            using (var memoryStream = new MemoryStream())
+            {
+                await e.File.OpenReadStream().CopyToAsync(memoryStream);
+                itemModel.ImageContent = memoryStream.ToArray();
+            }
+        }
+
+        private void OnEnchantCategoriesChange(string item, object checkedValue)
+        {
+            if ((bool)checkedValue)
+            {
+                if (!itemModel.EnchantCategories.Contains(item))
+                {
+                    itemModel.EnchantCategories.Add(item);
+                }
+
+                return;
+            }
+
+            if (itemModel.EnchantCategories.Contains(item))
+            {
+                itemModel.EnchantCategories.Remove(item);
+            }
+        }
+
+        private void OnRepairWithChange(string item, object checkedValue)
+        {
+            if ((bool)checkedValue)
+            {
+                if (!itemModel.RepairWith.Contains(item))
+                {
+                    itemModel.RepairWith.Add(item);
+                }
+
+                return;
+            }
+
+            if (itemModel.RepairWith.Contains(item))
+            {
+                itemModel.RepairWith.Remove(item);
+            }
+        }
+    }
+}

BlazorTuto/Pages/List.razor

@@ -1,34 +1,34 @@
 @page "/list"
+@using BlazorTuto.Models
 
 <h3>List</h3>
 
-@if (items != null)
+<div>
-{
+    <NavLink class="btn btn-primary" href="Add" Match="NavLinkMatch.All">
-    <table class="table">
+        <i class="fa fa-plus"></i> Ajouter
-        <thead>
+    </NavLink>
-            <tr>
+</div>
-                <th>Id</th>
+
-                <th>Display Name</th>
+<DataGrid TItem="Item"
-                <th>Stack Size</th>
+          Data="@items"
-                <th>Maximum Durability</th>
+          ReadData="@OnReadData"
-                <th>Enchant Categories</th>
+          TotalItems="@totalItem"
-                <th>Repair With</th>
+          PageSize="10"
-                <th>Created Date</th>
+          ShowPager
-            </tr>
+          Responsive>
-        </thead>
+    <DataGridColumn TItem="Item" Field="@nameof(Item.Id)" Caption="#" />
-        <tbody>
+    <DataGridColumn TItem="Item" Field="@nameof(Item.DisplayName)" Caption="Display name" />
-            @foreach (var item in items)
+    <DataGridColumn TItem="Item" Field="@nameof(Item.StackSize)" Caption="Stack size" />
-            {
+    <DataGridColumn TItem="Item" Field="@nameof(Item.MaxDurability)" Caption="Maximum durability" />
-                <tr>
+    <DataGridColumn TItem="Item" Field="@nameof(Item.EnchantCategories)" Caption="Enchant categories">
-                    <td>@item.Id</td>
+        <DisplayTemplate>
-                    <td>@item.DisplayName</td>
+            @(string.Join(", ", ((Item)context).EnchantCategories))
-                    <td>@item.StackSize</td>
+        </DisplayTemplate>
-                    <td>@item.MaxDurability</td>
+    </DataGridColumn>
-                    <td>@(string.Join(", ", item.EnchantCategories))</td>
+    <DataGridColumn TItem="Item" Field="@nameof(Item.RepairWith)" Caption="Repair with">
-                    <td>@(string.Join(", ", item.RepairWith))</td>
+        <DisplayTemplate>
-                    <td>@item.CreatedDate.ToShortDateString()</td>
+            @(string.Join(", ", ((Item)context).RepairWith))
-                </tr>
+        </DisplayTemplate>
-            }
+    </DataGridColumn>
-        </tbody>
+    <DataGridColumn TItem="Item" Field="@nameof(Item.CreatedDate)" Caption="Created date" DisplayFormat="{0:d}" DisplayFormatProvider="@System.Globalization.CultureInfo.GetCultureInfo("fr-FR")" />
-    </table>
+</DataGrid>
-}

BlazorTuto/Pages/List.razor.cs

@@ -1,21 +1,60 @@
-using BlazorTuto.Models;
+using Blazored.LocalStorage;
+using Blazorise.DataGrid;
+using BlazorTuto.Models;
 using Microsoft.AspNetCore.Components;
 
 namespace BlazorTuto.Pages
 {
     public partial class List
     {
-            private Item[] items;
+        private List<Item> items;
+
+        private int totalItem;
 
         [Inject]
         public HttpClient Http { get; set; }
 
+        [Inject]
+        public ILocalStorageService LocalStorage { get; set; }
+
         [Inject]
         public NavigationManager NavigationManager { get; set; }
 
-            protected override async Task OnInitializedAsync()
+        protected override async Task OnAfterRenderAsync(bool firstRender)
+        {
+            // Do not treat this action if is not the first render
+            if (!firstRender)
+            {
+                return;
+            }
+
+            var currentData = await LocalStorage.GetItemAsync<Item[]>("data");
+
+            // Check if data exist in the local storage
+            if (currentData == null)
+            {
+                // this code add in the local storage the fake data (we load the data sync for initialize the data before load the OnReadData method)
+                var originalData = Http.GetFromJsonAsync<Item[]>($"{NavigationManager.BaseUri}fake-data.json").Result;
+                await LocalStorage.SetItemAsync("data", originalData);
+            }
+        }
+
+        private async Task OnReadData(DataGridReadDataEventArgs<Item> e)
         {
-                items = await Http.GetFromJsonAsync<Item[]>($"{NavigationManager.BaseUri}fake-data.json");
+            if (e.CancellationToken.IsCancellationRequested)
+            {
+                return;
+            }
+
+            // When you use a real API, we use this follow code
+            //var response = await Http.GetJsonAsync<Data[]>( $"http://my-api/api/data?page={e.Page}&pageSize={e.PageSize}" );
+            var response = (await LocalStorage.GetItemAsync<Item[]>("data")).Skip((e.Page - 1) * e.PageSize).Take(e.PageSize).ToList();
+
+            if (!e.CancellationToken.IsCancellationRequested)
+            {
+                totalItem = (await LocalStorage.GetItemAsync<List<Item>>("data")).Count;
+                items = new List<Item>(response); // an actual data for the current page
+            }
         }
     }
 }

BlazorTuto/Pages/_Layout.cshtml

@@ -28,5 +28,10 @@
     </div>
 
     <script src="_framework/blazor.server.js"></script>
+
+     <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>
 </html>

BlazorTuto/Program.cs

@@ -1,3 +1,4 @@
+using Blazored.LocalStorage;
 using Blazorise;
 using Blazorise.Bootstrap;
 using Blazorise.Icons.FontAwesome;
@@ -17,6 +18,8 @@ builder.Services
    .AddBootstrapProviders()
    .AddFontAwesomeIcons();
 
+builder.Services.AddBlazoredLocalStorage();
+
 var app = builder.Build();
 
 // Configure the HTTP request pipeline.

BlazorTuto/_Imports.razor

@@ -8,3 +8,7 @@
 @using Microsoft.JSInterop
 @using BlazorTuto
 @using BlazorTuto.Shared
+@using Blazorise.Bootstrap
+@using Blazorise.Icons.FontAwesome
+@using Blazorise.DataGrid
+