Feat : Page & Start of API integration

Blazor/Blazor.sln

@@ -1,25 +1,25 @@
-
-Microsoft Visual Studio Solution File, Format Version 12.00
-# Visual Studio Version 17
-VisualStudioVersion = 17.8.34330.188
-MinimumVisualStudioVersion = 10.0.40219.1
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Blazor", "Blazor\Blazor.csproj", "{F9B19564-ED8F-49F7-97D7-2132F92DE3C2}"
-EndProject
-Global
-	GlobalSection(SolutionConfigurationPlatforms) = preSolution
-		Debug|Any CPU = Debug|Any CPU
-		Release|Any CPU = Release|Any CPU
-	EndGlobalSection
-	GlobalSection(ProjectConfigurationPlatforms) = postSolution
-		{F9B19564-ED8F-49F7-97D7-2132F92DE3C2}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{F9B19564-ED8F-49F7-97D7-2132F92DE3C2}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{F9B19564-ED8F-49F7-97D7-2132F92DE3C2}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{F9B19564-ED8F-49F7-97D7-2132F92DE3C2}.Release|Any CPU.Build.0 = Release|Any CPU
-	EndGlobalSection
-	GlobalSection(SolutionProperties) = preSolution
-		HideSolutionNode = FALSE
-	EndGlobalSection
-	GlobalSection(ExtensibilityGlobals) = postSolution
-		SolutionGuid = {75BB0A32-C002-4B33-88B3-421A9369D9CB}
-	EndGlobalSection
-EndGlobal
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.8.34330.188
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Blazor", "Blazor\Blazor.csproj", "{F9B19564-ED8F-49F7-97D7-2132F92DE3C2}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{F9B19564-ED8F-49F7-97D7-2132F92DE3C2}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{F9B19564-ED8F-49F7-97D7-2132F92DE3C2}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{F9B19564-ED8F-49F7-97D7-2132F92DE3C2}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{F9B19564-ED8F-49F7-97D7-2132F92DE3C2}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {75BB0A32-C002-4B33-88B3-421A9369D9CB}
+	EndGlobalSection
+EndGlobal

Blazor/Blazor/Blazor.csproj

@@ -6,4 +6,11 @@
     <ImplicitUsings>enable</ImplicitUsings>
   </PropertyGroup>
 
+  <ItemGroup>
+    <PackageReference Include="Blazored.LocalStorage" Version="4.4.0" />
+    <PackageReference Include="Blazorise.Bootstrap" Version="1.4.0" />
+    <PackageReference Include="Blazorise.DataGrid" Version="1.4.0" />
+    <PackageReference Include="Blazorise.Icons.FontAwesome" Version="1.4.0" />
+  </ItemGroup>
+
 </Project>

Blazor/Blazor/Models/AdministratorsModel.cs

@@ -0,0 +1,28 @@
+using Microsoft.AspNetCore.Cryptography.KeyDerivation;
+using Microsoft.AspNetCore.Identity;
+using System.Security.Cryptography;
+
+namespace Blazor.Models;
+
+public class AdministratorsModel : PasswordHasher<string>
+{
+    public int Id { get; private set; }
+    public string Username { get; private set; }
+    public string HashedPassword { get; set; }
+
+    private byte[] salt = RandomNumberGenerator.GetBytes(128 / 8); // for password hash
+
+    AdministratorsModel(int id, string username, string password)
+    {
+        this.Id = id;
+        this.Username = username;
+        //hash password
+        this.HashedPassword = Convert.ToBase64String(KeyDerivation.Pbkdf2(
+            password: password!,
+            salt: salt,
+            prf: KeyDerivationPrf.HMACSHA256,
+            iterationCount: 100000,
+            numBytesRequested: 256 / 8)
+        );
+    }
+}

Blazor/Blazor/Models/AnswerModel.cs

@@ -0,0 +1,16 @@
+namespace Blazor.Models;
+
+public class AnswerModel
+
+{
+    public int Id { get; private set; }
+    public string Content { get; set; }
+    public int IdQuestion { get; private set; }
+
+    public AnswerModel(int id, string content, int idQuestion)
+    {
+        Id = id;
+        Content = content;
+        IdQuestion = idQuestion;
+    }
+}

Blazor/Blazor/Models/ChaptersModel.cs

@@ -0,0 +1,13 @@
+namespace Blazor.Models;
+
+public class ChaptersModel
+{
+    public int Id { get; private set; }
+    public string Name { get; set; }
+
+    public ChaptersModel(int id, string name)
+    {
+        Id = id;
+        Name = name;
+    }
+}

Blazor/Blazor/Models/PlayerModel.cs

@@ -0,0 +1,25 @@
+using Microsoft.AspNetCore.Cryptography.KeyDerivation;
+using System.Security.Cryptography;
+
+namespace Blazor.Models;
+
+public class PlayerModel
+{
+    public int Id { get; private set; }
+    public string Nickname { get; private set; }
+    public string HashedPassword { get; set; }
+    private byte[] salt = RandomNumberGenerator.GetBytes(128 / 8); // for password hash
+    public PlayerModel(int id, string nickname, string password)
+    {
+        Id = id;
+        Nickname = nickname;
+        //hash password
+        HashedPassword = Convert.ToBase64String(KeyDerivation.Pbkdf2(
+            password: password!,
+            salt: salt,
+            prf: KeyDerivationPrf.HMACSHA256,
+            iterationCount: 100000,
+            numBytesRequested: 256 / 8)
+        );
+    }
+}

Blazor/Blazor/Models/QuestionsModel.cs

@@ -0,0 +1,24 @@
+namespace Blazor.Models;
+
+public class QuestionsModel
+{
+    public int Id { get; private set; }
+    public string Content { get; set; }
+    public int IdChapter { get; private set; }
+    public int? IdAnswerGood { get; set; }
+    public int Difficulty { get; set; }
+    public int NbFails { get; private set; }
+
+    public QuestionsModel(int id, string content, int idChapter, int difficulty, int nbFails, int? idAnswerGood = null)
+    {
+        Id = id;
+        Content = content;
+        IdChapter = idChapter;
+        Difficulty = difficulty;
+        NbFails = nbFails;
+        IdAnswerGood = idAnswerGood;
+    }
+
+    public void addFails(int nb) { NbFails += nb; }
+    public void removeFails(int nb) { NbFails -= nb; }
+}

Blazor/Blazor/Pages/Admins.razor

@@ -1,4 +1,4 @@
-@page "/fetchdata"
+@page "/admins"
 @using Blazor.Data
 @inject WeatherForecastService ForecastService
 

Blazor/Blazor/Pages/Admins.razor.cs

@@ -0,0 +1,61 @@
+using Blazor.Models;
+using Blazored.LocalStorage;
+using Blazorise.DataGrid;
+using Microsoft.AspNetCore.Components;
+
+namespace Blazor.Pages;
+public partial class Admins
+{
+    private List<AdministratorsModel> items;
+
+    private int totalItem;
+
+    [Inject]
+    public IWebHostEnvironment WebHostEnvironment { get; set; }
+
+    [Inject]
+    public HttpClient Http { get; set; }
+
+    [Inject]
+    public ILocalStorageService LocalStorage { get; set; }
+
+    [Inject]
+    public NavigationManager NavigationManager { get; set; }
+
+    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<AdministratorsModel[]>("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<AdministratorsModel[]>($"trusting-panini.87-106-126-109.plesk.page/api/chapters").Result;
+            await LocalStorage.SetItemAsync("data", originalData);
+        }
+    }
+
+    private async Task OnReadData(DataGridReadDataEventArgs<AdministratorsModel> e)
+    {
+        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<AdministratorsModel[]>("data")).Skip((e.Page - 1) * e.PageSize).Take(e.PageSize).ToList();
+
+        if (!e.CancellationToken.IsCancellationRequested)
+        {
+            totalItem = (await LocalStorage.GetItemAsync<List<AdministratorsModel>>("data")).Count;
+            items = new List<AdministratorsModel>(response); // an actual data for the current page
+        }
+    }
+}

Blazor/Blazor/Pages/Chapters.razor

@@ -0,0 +1,13 @@
+@page "/chapters"
+@using Blazor.Models
+<h3>Liste</h3>
+<DataGrid TItem="Item"
+          Data="@items"
+          ReadData="@OnReadData"
+          TotalItems="@totalItem"
+          PageSize="10"
+          ShowPager
+          Responsive>
+    <DataGridColumn TItem="Item" Field="@nameof(ChaptersModel.Id)" Caption="#" />
+    <DataGridColumn TItem="Item" Field="@nameof(ChaptersModel.Name)" Caption="Display name" />
+</DataGrid>

Blazor/Blazor/Pages/Chapters.razor.cs

@@ -0,0 +1,61 @@
+using Blazor.Models;
+using Blazored.LocalStorage;
+using Blazorise.DataGrid;
+using Microsoft.AspNetCore.Components;
+
+namespace Blazor.Pages;
+public partial class Chapters
+{
+    private List<ChaptersModel> items;
+
+    private int totalItem;
+
+    [Inject]
+    public IWebHostEnvironment WebHostEnvironment { get; set; }
+
+    [Inject]
+    public HttpClient Http { get; set; }
+
+    [Inject]
+    public ILocalStorageService LocalStorage { get; set; }
+
+    [Inject]
+    public NavigationManager NavigationManager { get; set; }
+
+    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<ChaptersModel[]>("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<ChaptersModel[]>($"https://trusting-panini.87-106-126-109.plesk.page/api/chapters").Result;
+            await LocalStorage.SetItemAsync("data", originalData);
+        }
+    }
+
+    private async Task OnReadData(DataGridReadDataEventArgs<ChaptersModel> e)
+    {
+        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<ChaptersModel[]>("data")).Skip((e.Page - 1) * e.PageSize).Take(e.PageSize).ToList();
+
+        if (!e.CancellationToken.IsCancellationRequested)
+        {
+            totalItem = (await LocalStorage.GetItemAsync<List<AdministratorsModel>>("data")).Count;
+            items = new List<ChaptersModel>(response); // an actual data for the current page
+        }
+    }
+}

Blazor/Blazor/Pages/Index.razor.cs

@@ -0,0 +1,6 @@
+namespace Blazor.Pages;
+
+public partial class Index
+{
+}
+

Blazor/Blazor/Pages/Questions.razor

@@ -0,0 +1,47 @@
+@page "/questions"
+@using Blazor.Data
+@inject WeatherForecastService ForecastService
+
+<PageTitle>Weather forecast</PageTitle>
+
+<h1>Weather forecast</h1>
+
+<p>This component demonstrates fetching data from a service.</p>
+
+@if (forecasts == null)
+{
+    <p><em>Loading...</em></p>
+}
+else
+{
+    <table class="table">
+        <thead>
+            <tr>
+                <th>Date</th>
+                <th>Temp. (C)</th>
+                <th>Temp. (F)</th>
+                <th>Summary</th>
+            </tr>
+        </thead>
+        <tbody>
+            @foreach (var forecast in forecasts)
+            {
+                <tr>
+                    <td>@forecast.Date.ToShortDateString()</td>
+                    <td>@forecast.TemperatureC</td>
+                    <td>@forecast.TemperatureF</td>
+                    <td>@forecast.Summary</td>
+                </tr>
+            }
+        </tbody>
+    </table>
+}
+
+@code {
+    private WeatherForecast[]? forecasts;
+
+    protected override async Task OnInitializedAsync()
+    {
+        forecasts = await ForecastService.GetForecastAsync(DateOnly.FromDateTime(DateTime.Now));
+    }
+}

Blazor/Blazor/Pages/Questions.razor.cs

@@ -0,0 +1,6 @@
+namespace Blazor.Pages;
+
+public partial class Questions
+{
+}
+

Blazor/Blazor/Program.cs

@@ -1,4 +1,8 @@
 using Blazor.Data;
+using Blazored.LocalStorage;
+using Blazorise;
+using Blazorise.Bootstrap;
+using Blazorise.Icons.FontAwesome;
 using Microsoft.AspNetCore.Components;
 using Microsoft.AspNetCore.Components.Web;
 
@@ -8,6 +12,13 @@ var builder = WebApplication.CreateBuilder(args);
 builder.Services.AddRazorPages();
 builder.Services.AddServerSideBlazor();
 builder.Services.AddSingleton<WeatherForecastService>();
+builder.Services.AddHttpClient();
+
+builder.Services
+   .AddBlazorise()
+   .AddBootstrapProviders()
+   .AddFontAwesomeIcons();
+builder.Services.AddBlazoredLocalStorage();
 
 var app = builder.Build();
 

Blazor/Blazor/Shared/NavMenu.razor

@@ -15,13 +15,18 @@
             </NavLink>
         </div>
         <div class="nav-item px-3">
-            <NavLink class="nav-link" href="counter">
-                <span class="oi oi-plus" aria-hidden="true"></span> Counter
+            <NavLink class="nav-link" href="chapters">
+                <span class="oi oi-list-rich" aria-hidden="true"></span> Chapters
             </NavLink>
         </div>
         <div class="nav-item px-3">
-            <NavLink class="nav-link" href="fetchdata">
-                <span class="oi oi-list-rich" aria-hidden="true"></span> Fetch data
+            <NavLink class="nav-link" href="questions">
+                <span class="oi oi-list-rich" aria-hidden="true"></span> Questions
+            </NavLink>
+        </div>
+        <div class="nav-item px-3">
+            <NavLink class="nav-link" href="admins">
+                <span class="oi oi-list-rich" aria-hidden="true"></span> Administrators
             </NavLink>
         </div>
     </nav>