Add signalR thing

SigRBlazor/BlazorSignalRApp/BlazorSignalRApp.sln

@@ -0,0 +1,37 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 16
+VisualStudioVersion = 16.0.29806.167
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "BlazorSignalRApp.Server", "BlazorSignalRApp\Server\BlazorSignalRApp.Server.csproj", "{C46146B2-2322-40B7-9C44-6C71412E385B}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "BlazorSignalRApp.Client", "BlazorSignalRApp\Client\BlazorSignalRApp.Client.csproj", "{0BCEAB93-535B-4E1F-8F5F-20D44878DB93}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "BlazorSignalRApp.Shared", "BlazorSignalRApp\Shared\BlazorSignalRApp.Shared.csproj", "{E796F28C-EC0E-4413-902B-4D3E17749B63}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{C46146B2-2322-40B7-9C44-6C71412E385B}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{C46146B2-2322-40B7-9C44-6C71412E385B}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{C46146B2-2322-40B7-9C44-6C71412E385B}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{C46146B2-2322-40B7-9C44-6C71412E385B}.Release|Any CPU.Build.0 = Release|Any CPU
+		{0BCEAB93-535B-4E1F-8F5F-20D44878DB93}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{0BCEAB93-535B-4E1F-8F5F-20D44878DB93}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{0BCEAB93-535B-4E1F-8F5F-20D44878DB93}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{0BCEAB93-535B-4E1F-8F5F-20D44878DB93}.Release|Any CPU.Build.0 = Release|Any CPU
+		{E796F28C-EC0E-4413-902B-4D3E17749B63}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{E796F28C-EC0E-4413-902B-4D3E17749B63}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{E796F28C-EC0E-4413-902B-4D3E17749B63}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{E796F28C-EC0E-4413-902B-4D3E17749B63}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {AB814721-1BFA-4B8B-B74E-58D5E416C901}
+	EndGlobalSection
+EndGlobal

SigRBlazor/BlazorSignalRApp/BlazorSignalRApp/Client/App.razor

@@ -0,0 +1,10 @@
+<Router AppAssembly="@typeof(Program).Assembly">
+    <Found Context="routeData">
+        <RouteView RouteData="@routeData" DefaultLayout="@typeof(MainLayout)" />
+    </Found>
+    <NotFound>
+        <LayoutView Layout="@typeof(MainLayout)">
+            <p>Sorry, there's nothing at this address.</p>
+        </LayoutView>
+    </NotFound>
+</Router>

SigRBlazor/BlazorSignalRApp/BlazorSignalRApp/Client/BlazorSignalRApp.Client.csproj

@@ -0,0 +1,19 @@
+<Project Sdk="Microsoft.NET.Sdk.Web">
+
+  <PropertyGroup>
+    <TargetFramework>netstandard2.1</TargetFramework>
+    <RazorLangVersion>3.0</RazorLangVersion>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.AspNetCore.Components.WebAssembly" Version="3.2.0-preview2.20160.5" />
+    <PackageReference Include="Microsoft.AspNetCore.Components.WebAssembly.Build" Version="3.2.0-preview2.20160.5" PrivateAssets="all" />
+    <PackageReference Include="Microsoft.AspNetCore.Components.WebAssembly.DevServer" Version="3.2.0-preview2.20160.5" PrivateAssets="all" />
+    <PackageReference Include="Microsoft.AspNetCore.Blazor.HttpClient" Version="3.2.0-preview2.20160.5" />
+    <PackageReference Include="Microsoft.AspNetCore.SignalR.Client" Version="3.1.2" />
+  </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="..\Shared\BlazorSignalRApp.Shared.csproj" />
+  </ItemGroup>
+
+</Project>

SigRBlazor/BlazorSignalRApp/BlazorSignalRApp/Client/Pages/Counter.razor

@@ -0,0 +1,16 @@
+@page "/counter"
+
+<h1>Counter</h1>
+
+<p>Current count: @currentCount</p>
+
+<button class="btn btn-primary" @onclick="IncrementCount">Click me</button>
+
+@code {
+    private int currentCount = 0;
+
+    private void IncrementCount()
+    {
+        currentCount++;
+    }
+}

SigRBlazor/BlazorSignalRApp/BlazorSignalRApp/Client/Pages/FetchData.razor

@@ -0,0 +1,46 @@
+@page "/fetchdata"
+@using BlazorSignalRApp.Shared
+@inject HttpClient Http
+
+<h1>Weather forecast</h1>
+
+<p>This component demonstrates fetching data from the server.</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 Http.GetJsonAsync<WeatherForecast[]>("WeatherForecast");
+    }
+
+}

SigRBlazor/BlazorSignalRApp/BlazorSignalRApp/Client/Pages/Index.razor

@@ -0,0 +1,64 @@
+@page "/"
+@using Microsoft.AspNetCore.SignalR.Client
+@inject NavigationManager NavigationManager
+
+<div class="form-group">
+    <label>
+        User:
+        <input @bind="_userInput" />
+    </label>
+</div>
+<div class="form-group">
+    <label>
+        Message:
+        <input @bind="_messageInput" size="50" />
+    </label>
+</div>
+<button @onclick="Send" disabled="@(!IsConnected)">Send</button>
+
+<hr>
+
+<ul id="messagesList">
+    @foreach (var message in _messages)
+    {
+        <li>@message</li>
+    }
+</ul>
+
+@code {
+    private HubConnection _hubConnection;
+    private List<string> _messages = new List<string>();
+    private string _userInput;
+    private string _messageInput;
+
+    async Task<string> AccessTokenProvider()
+    {
+        var myToken = "MyGreatToken";
+        return myToken;
+    }
+
+    protected override async Task OnInitializedAsync()
+    {
+        _hubConnection = new HubConnectionBuilder()
+            .WithUrl(NavigationManager.ToAbsoluteUri("/chatHub"), options => 
+            {
+                options.AccessTokenProvider = AccessTokenProvider;
+            })
+            .Build();
+
+        _hubConnection.On<string, string>("ReceiveMessage", (user, message) =>
+        {
+            var encodedMsg = $"{user}: {message}";
+            _messages.Add(encodedMsg);
+            StateHasChanged();
+        });
+
+        await _hubConnection.StartAsync();
+    }
+
+    Task Send() =>
+        _hubConnection.SendAsync("SendMessage", _userInput, _messageInput);
+
+    public bool IsConnected =>
+        _hubConnection.State == HubConnectionState.Connected;
+}

SigRBlazor/BlazorSignalRApp/BlazorSignalRApp/Client/Program.cs

@@ -0,0 +1,22 @@
+using System;
+using System.Collections.Generic;
+using System.Threading.Tasks;
+using System.Text;
+using Microsoft.AspNetCore.Components.WebAssembly.Hosting;
+using Microsoft.Extensions.DependencyInjection;
+
+namespace BlazorSignalRApp.Client
+{
+    public class Program
+    {
+        public static async Task Main(string[] args)
+        {
+            var builder = WebAssemblyHostBuilder.CreateDefault(args);
+            builder.RootComponents.Add<App>("app");
+
+            builder.Services.AddBaseAddressHttpClient();
+
+            await builder.Build().RunAsync();
+        }
+    }
+}

SigRBlazor/BlazorSignalRApp/BlazorSignalRApp/Client/Properties/launchSettings.json

@@ -0,0 +1,27 @@
+{
+  "iisSettings": {
+    "windowsAuthentication": false,
+    "anonymousAuthentication": true,
+    "iisExpress": {
+      "applicationUrl": "http://localhost:63196",
+      "sslPort": 44304
+    }
+  },
+  "profiles": {
+    "IIS Express": {
+      "commandName": "IISExpress",
+      "launchBrowser": true,
+      "environmentVariables": {
+        "ASPNETCORE_ENVIRONMENT": "Development"
+      }
+    },
+    "BlazorSignalRApp": {
+      "commandName": "Project",
+      "launchBrowser": true,
+      "applicationUrl": "https://localhost:5001;http://localhost:5000",
+      "environmentVariables": {
+        "ASPNETCORE_ENVIRONMENT": "Development"
+      }
+    }
+  }
+}

SigRBlazor/BlazorSignalRApp/BlazorSignalRApp/Client/Shared/MainLayout.razor

@@ -0,0 +1,15 @@
+@inherits LayoutComponentBase
+
+<div class="sidebar">
+    <NavMenu />
+</div>
+
+<div class="main">
+    <div class="top-row px-4">
+        <a href="http://blazor.net" target="_blank" class="ml-md-auto">About</a>
+    </div>
+
+    <div class="content px-4">
+        @Body
+    </div>
+</div>

SigRBlazor/BlazorSignalRApp/BlazorSignalRApp/Client/Shared/NavMenu.razor

@@ -0,0 +1,37 @@
+<div class="top-row pl-4 navbar navbar-dark">
+    <a class="navbar-brand" href="">BlazorSignalRApp</a>
+    <button class="navbar-toggler" @onclick="ToggleNavMenu">
+        <span class="navbar-toggler-icon"></span>
+    </button>
+</div>
+
+<div class="@NavMenuCssClass" @onclick="ToggleNavMenu">
+    <ul class="nav flex-column">
+        <li class="nav-item px-3">
+            <NavLink class="nav-link" href="" Match="NavLinkMatch.All">
+                <span class="oi oi-home" aria-hidden="true"></span> Home
+            </NavLink>
+        </li>
+        <li class="nav-item px-3">
+            <NavLink class="nav-link" href="counter">
+                <span class="oi oi-plus" aria-hidden="true"></span> Counter
+            </NavLink>
+        </li>
+        <li class="nav-item px-3">
+            <NavLink class="nav-link" href="fetchdata">
+                <span class="oi oi-list-rich" aria-hidden="true"></span> Fetch data
+            </NavLink>
+        </li>
+    </ul>
+</div>
+
+@code {
+    private bool collapseNavMenu = true;
+
+    private string NavMenuCssClass => collapseNavMenu ? "collapse" : null;
+
+    private void ToggleNavMenu()
+    {
+        collapseNavMenu = !collapseNavMenu;
+    }
+}

SigRBlazor/BlazorSignalRApp/BlazorSignalRApp/Client/Shared/SurveyPrompt.razor

@@ -0,0 +1,16 @@
+<div class="alert alert-secondary mt-4" role="alert">
+    <span class="oi oi-pencil mr-2" aria-hidden="true"></span>
+    <strong>@Title</strong>
+
+    <span class="text-nowrap">
+        Please take our
+        <a target="_blank" class="font-weight-bold" href="https://go.microsoft.com/fwlink/?linkid=2121313">brief survey</a>
+    </span>
+    and tell us what you think.
+</div>
+
+@code {
+    // Demonstrates how a parent component can supply parameters
+    [Parameter]
+    public string Title { get; set; }
+}

SigRBlazor/BlazorSignalRApp/BlazorSignalRApp/Client/_Imports.razor

@@ -0,0 +1,7 @@
+@using System.Net.Http
+@using Microsoft.AspNetCore.Components.Forms
+@using Microsoft.AspNetCore.Components.Routing
+@using Microsoft.AspNetCore.Components.Web
+@using Microsoft.JSInterop
+@using BlazorSignalRApp.Client
+@using BlazorSignalRApp.Client.Shared