ahh shit

Hubs/ChatHub.cs

@@ -4,7 +4,7 @@ namespace LiveChat.Server.Hubs;
 
 public class ChatHub : Hub
 {
-    public async Task SendMessage(string user, string message)
+    public async Task SendMessage(string user, string message, string room)
     {
         using (var db = new ChattingContext())
         {
@@ -14,9 +14,32 @@ public class ChatHub : Hub
                 Message = message,
             };
             var dbSave = db.Messages.Add(messageData);
-            await Clients.All.SendAsync("ReceiveMessage", user, message);
+            await Clients.AllExcept("LiveChat Room Users").SendAsync("ReceiveMessage", user, message);
             db.SaveChanges();
         }
 	}
+
+    public async Task SendMessageRoom(string user, string message, string room)
+    {
+        using (var db = new ChattingContext())
+        {
+            var messageData = new RoomChatMessage()
+            {
+                User = user,
+                Message = message,
+                RoomId = room
+            };
+            var dbSave = db.RoomChatMessages.Add(messageData);
+            await Clients.Group(room).SendAsync("ReceiveMessage", user, message);
+            db.SaveChanges();
+        }
+    } 
+
+    public async Task JoinRoom(string room, string user)
+    {
+        await Groups.AddToGroupAsync(Context.ConnectionId, room);
+        await Groups.AddToGroupAsync(Context.ConnectionId, "Folk i rom");
+        await Clients.Caller.SendAsync("ConnectionIdReceive", Context.ConnectionId);
+    }
 }
 

Migrations/20230526180433_sqlite.local_migration_189.Designer.cs

@@ -0,0 +1,91 @@
+// <auto-generated />
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+
+#nullable disable
+
+namespace LiveChat.Migrations
+{
+    [DbContext(typeof(ChattingContext))]
+    [Migration("20230526180433_sqlite.local_migration_189")]
+    partial class sqlitelocal_migration_189
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder.HasAnnotation("ProductVersion", "7.0.4");
+
+            modelBuilder.Entity("ChatMessage", b =>
+                {
+                    b.Property<string>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Message")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("User")
+                        .HasColumnType("TEXT");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Messages");
+                });
+
+            modelBuilder.Entity("Room", b =>
+                {
+                    b.Property<string>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("RoomJoinCode")
+                        .HasColumnType("TEXT");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Rooms");
+                });
+
+            modelBuilder.Entity("RoomChatMessage", b =>
+                {
+                    b.Property<string>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Message")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("RoomId")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("User")
+                        .HasColumnType("TEXT");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("RoomId")
+                        .IsUnique();
+
+                    b.ToTable("RoomChatMessages");
+                });
+
+            modelBuilder.Entity("RoomChatMessage", b =>
+                {
+                    b.HasOne("Room", "Room")
+                        .WithOne("RoomChatMessage")
+                        .HasForeignKey("RoomChatMessage", "RoomId");
+
+                    b.Navigation("Room");
+                });
+
+            modelBuilder.Entity("Room", b =>
+                {
+                    b.Navigation("RoomChatMessage");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

Migrations/20230526180433_sqlite.local_migration_189.cs

@@ -0,0 +1,61 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace LiveChat.Migrations
+{
+    /// <inheritdoc />
+    public partial class sqlitelocal_migration_189 : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.CreateTable(
+                name: "Rooms",
+                columns: table => new
+                {
+                    Id = table.Column<string>(type: "TEXT", nullable: false),
+                    RoomJoinCode = table.Column<string>(type: "TEXT", nullable: true)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Rooms", x => x.Id);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "RoomChatMessages",
+                columns: table => new
+                {
+                    Id = table.Column<string>(type: "TEXT", nullable: false),
+                    User = table.Column<string>(type: "TEXT", nullable: true),
+                    Message = table.Column<string>(type: "TEXT", nullable: true),
+                    RoomId = table.Column<string>(type: "TEXT", nullable: true)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_RoomChatMessages", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_RoomChatMessages_Rooms_RoomId",
+                        column: x => x.RoomId,
+                        principalTable: "Rooms",
+                        principalColumn: "Id");
+                });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_RoomChatMessages_RoomId",
+                table: "RoomChatMessages",
+                column: "RoomId",
+                unique: true);
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropTable(
+                name: "RoomChatMessages");
+
+            migrationBuilder.DropTable(
+                name: "Rooms");
+        }
+    }
+}

Migrations/ChattingContextModelSnapshot.cs

@@ -31,6 +31,57 @@ namespace LiveChat.Migrations
 
                     b.ToTable("Messages");
                 });
+
+            modelBuilder.Entity("Room", b =>
+                {
+                    b.Property<string>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("RoomJoinCode")
+                        .HasColumnType("TEXT");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Rooms");
+                });
+
+            modelBuilder.Entity("RoomChatMessage", b =>
+                {
+                    b.Property<string>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Message")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("RoomId")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("User")
+                        .HasColumnType("TEXT");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("RoomId")
+                        .IsUnique();
+
+                    b.ToTable("RoomChatMessages");
+                });
+
+            modelBuilder.Entity("RoomChatMessage", b =>
+                {
+                    b.HasOne("Room", "Room")
+                        .WithOne("RoomChatMessage")
+                        .HasForeignKey("RoomChatMessage", "RoomId");
+
+                    b.Navigation("Room");
+                });
+
+            modelBuilder.Entity("Room", b =>
+                {
+                    b.Navigation("RoomChatMessage");
+                });
 #pragma warning restore 612, 618
         }
     }

Model.cs

@@ -9,6 +9,10 @@ public class ChattingContext : DbContext
 {
     public DbSet<ChatMessage> Messages { get; set; } 
 
+    public DbSet<Room> Rooms { get; set; }
+
+    public DbSet<RoomChatMessage> RoomChatMessages { get; set; }
+
     public string DbPath { get; }
 
     public ChattingContext()
@@ -30,9 +34,9 @@ public class Room
 
     public string? RoomJoinCode { get; set; }
 
-    // koble tilsammen ChatMessage til Room
+    // koble tilsammen RoomChatMessage til Room
     // https://www.entityframeworktutorial.net/efcore/one-to-many-conventions-entity-framework-core.aspx
-    public ChatMessage? ChatMessage { get; set; }
+    public RoomChatMessage? RoomChatMessage { get; set; }
 
 }
 
@@ -45,3 +49,19 @@ public class ChatMessage
     public string? User { get; set; }
     public string? Message { get; set; }
 }
+
+public class RoomChatMessage
+{
+    [Key]
+    [DatabaseGenerated(DatabaseGeneratedOption.Identity)]
+    public string? Id { get; set; }
+
+    public string? User { get; set; }
+    public string? Message { get; set; }
+    public string? RoomId { get; set; }
+
+    // koble tilsammen RoomChatMessage til Room
+    // https://www.entityframeworktutorial.net/efcore/one-to-many-conventions-entity-framework-core.aspx
+    public Room? Room { get; set; }
+
+}

Pages/Chat.razor

@@ -1,13 +1,119 @@
 @page "/chat/{room?}"
+@using Microsoft.AspNetCore.SignalR.Client;
+@using LiveChat.Models;
+@inject NavigationManager Navigation
 
 <PageTitle>Chat room</PageTitle>
 
+
 @if(Room is null or "")
 {
-    <p class="alert alert-info"><i class="bi bi-exclamation-circle-fill"></i> Ingen rom ble avgitt. Lag et rom og putt det i URLen.</p>
+    <p class="alert alert-info"><i class="bi bi-exclamation-circle-fill"></i> Fant ikke rom i URL. Lag et rom og putt det i URLen.</p>
 }
 
+<h1>Rom @Room</h1>
+
+<p>Din tilkoblings ID: @connectionId. Brukernavn: @username</p>
+
+@foreach (var msg in msgs)
+{
+    <div class="message">@msg</div>
+}
+
+<div class="messageFormContainer">
+    @if (messageModel == null)
+    {
+        <p>laster inn meldingsboks</p>
+    }
+    else
+    {
+        <EditForm Model="@messageModel" OnValidSubmit="@HandleSubmit" class="MessageForm">
+            <DataAnnotationsValidator />
+            <div class="MessageFormValidation">
+                <ValidationSummary />
+            </div>
+
+            <div class="MessageFormInputs">
+                <input @bind-value="messageModel.Message" placeholder="Skriv inn din melding..." class="MessageFormMessage" />
+                <button type="submit" class="MessageFormButton"><i class="bi bi-send-fill"></i></button>
+            </div>
+        </EditForm>
+    }
+</div>
+
 @code {
     [Parameter]
     public string? Room { get; set; }
+
+    private HubConnection? hubConnection;
+
+    private List<string> msgs = new List<string>();
+
+    private bool ErViInne = false;
+
+    private string connectionId = "";
+
+    private string username = "";
+
+    private MessageModel messageModel = new MessageModel() { User = "Something", Message = "" };
+
+
+    protected override async Task OnInitializedAsync()
+    {
+        hubConnection = new HubConnectionBuilder()
+            .WithUrl(Navigation.ToAbsoluteUri("/chathub"))
+            .Build();
+
+        await hubConnection.StartAsync();
+
+        // lag tilfeldig navn
+        username = "Bruker" + new Random().Next(1, 1000);
+
+        if (Room != null || Room != "")
+        {
+            // sjekk om rom finnes
+            // hvis ikke, lag et rom
+            using (var db = new ChattingContext())
+            {
+                var room = db.Rooms.FirstOrDefault(r => r.RoomJoinCode == Room);
+                if (room is null)
+                {
+                    Console.WriteLine("Lager rom?!?");
+                    room = new Room() { RoomJoinCode = Room };
+                    db.Rooms.Add(room);
+                    db.SaveChanges();
+                }
+            }
+        }
+
+
+        // bli med i rom
+        await hubConnection.SendAsync("JoinRoom", Room, username);
+        ErViInne = true;
+        messageModel.User = username;
+
+        hubConnection.On<string, string>("ReceiveMessage", (user, message) =>
+        {
+            var encodedMsg = $"{user}: {message}";
+            msgs.Add(encodedMsg);
+            InvokeAsync(StateHasChanged);
+        });
+    }    
+
+    private async Task HandleSubmit()
+    {
+        messageModel.User = username;
+        await hubConnection.SendAsync("SendMessageRoom", messageModel.User, messageModel.Message, Room);
+    }
+
+    public bool IsConnected =>
+        hubConnection?.State == HubConnectionState.Connected;
+
+    public async ValueTask DisposeAsync()
+    {
+        if (hubConnection is not null)
+        {
+            await hubConnection.DisposeAsync();
+        }
+    }
 }

Pages/Index.razor

@@ -12,11 +12,11 @@
 <div hidden="@(!ModalIsVisible)">
     <EditForm Model="@userModel" OnValidSubmit="@SetUser">
         <DataAnnotationsValidator />
-        <ValidationSummary />
 
         <div class="giveNameMessage">
             <h1>Skriv inn navnet ditt</h1>
             <p>Dette kan ikke endres (helt til du oppdaterer sida)</p>
+            <ValidationSummary />
             <input @bind-value="userModel.User" disabled="@(!ModalIsVisible)" placeholder="Navn" class="MessageFormName" />
             <button type="submit" disabled="@(!IsConnected)" class="MessageFormButton"><i class="bi bi-send-fill"></i> Sett navn</button>
         </div>
@@ -101,6 +101,7 @@ else
             await InvokeAsync(StateHasChanged);
         }
 
+
         hubConnection.On<string, string>("ReceiveMessage", (user, message) =>
         {
             var encodedMsg = $"{user}: {message}";

wwwroot/css/site.css

@@ -168,3 +168,12 @@ a, .btn-link {
     border-radius: 0.25rem;
     transition: 0.25s all ease-in-out;
 }
+
+/* bli kvitt med punkt på valideringsfeil */
+
+.validation-errors > .validation-message {
+    list-style-type: none;
+    margin: 0;
+    margin-left: -31px;
+    padding: 0;
+}