Added services. Added admin ui. Added delete button

Moonlight/App/Database/DataContext.cs

@@ -41,6 +41,7 @@ public class DataContext : DbContext
     public DbSet<AaPanel> AaPanels { get; set; }
     public DbSet<Website> Websites { get; set; }
     public DbSet<DdosAttack> DdosAttacks { get; set; }
+    public DbSet<Subscription> Subscriptions { get; set; }
 
     protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
     {

Moonlight/App/Database/Entities/Subscription.cs

@@ -5,6 +5,5 @@ public class Subscription
     public int Id { get; set; }
     public string Name { get; set; } = "";
     public string Description { get; set; } = "";
-    public string SellPassId { get; set; } = "";
-    public int Duration { get; set; }
+    public string LimitsJson { get; set; } = "";
 }

Moonlight/App/Database/Entities/User.cs

@@ -42,4 +42,10 @@ public class User
     // Date stuff
     public DateTime CreatedAt { get; set; } = DateTime.UtcNow;
     public DateTime UpdatedAt { get; set; } = DateTime.UtcNow;
+    
+    // Subscriptions
+
+    public Subscription? CurrentSubscription { get; set; } = null;
+    public DateTime SubscriptionSince { get; set; } = DateTime.Now;
+    public int SubscriptionDuration { get; set; }
 }

Moonlight/App/Database/Migrations/20230403131343_AddedNewSubscriptionData.cs

@@ -0,0 +1,94 @@
+using System;
+using Microsoft.EntityFrameworkCore.Metadata;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace Moonlight.App.Database.Migrations
+{
+    /// <inheritdoc />
+    public partial class AddedNewSubscriptionData : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AddColumn<int>(
+                name: "CurrentSubscriptionId",
+                table: "Users",
+                type: "int",
+                nullable: true);
+
+            migrationBuilder.AddColumn<int>(
+                name: "SubscriptionDuration",
+                table: "Users",
+                type: "int",
+                nullable: false,
+                defaultValue: 0);
+
+            migrationBuilder.AddColumn<DateTime>(
+                name: "SubscriptionSince",
+                table: "Users",
+                type: "datetime(6)",
+                nullable: false,
+                defaultValue: new DateTime(1, 1, 1, 0, 0, 0, 0, DateTimeKind.Unspecified));
+
+            migrationBuilder.CreateTable(
+                name: "Subscriptions",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "int", nullable: false)
+                        .Annotation("MySql:ValueGenerationStrategy", MySqlValueGenerationStrategy.IdentityColumn),
+                    Name = table.Column<string>(type: "longtext", nullable: false)
+                        .Annotation("MySql:CharSet", "utf8mb4"),
+                    Description = table.Column<string>(type: "longtext", nullable: false)
+                        .Annotation("MySql:CharSet", "utf8mb4"),
+                    LimitsJson = table.Column<string>(type: "longtext", nullable: false)
+                        .Annotation("MySql:CharSet", "utf8mb4")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Subscriptions", x => x.Id);
+                })
+                .Annotation("MySql:CharSet", "utf8mb4");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Users_CurrentSubscriptionId",
+                table: "Users",
+                column: "CurrentSubscriptionId");
+
+            migrationBuilder.AddForeignKey(
+                name: "FK_Users_Subscriptions_CurrentSubscriptionId",
+                table: "Users",
+                column: "CurrentSubscriptionId",
+                principalTable: "Subscriptions",
+                principalColumn: "Id");
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropForeignKey(
+                name: "FK_Users_Subscriptions_CurrentSubscriptionId",
+                table: "Users");
+
+            migrationBuilder.DropTable(
+                name: "Subscriptions");
+
+            migrationBuilder.DropIndex(
+                name: "IX_Users_CurrentSubscriptionId",
+                table: "Users");
+
+            migrationBuilder.DropColumn(
+                name: "CurrentSubscriptionId",
+                table: "Users");
+
+            migrationBuilder.DropColumn(
+                name: "SubscriptionDuration",
+                table: "Users");
+
+            migrationBuilder.DropColumn(
+                name: "SubscriptionSince",
+                table: "Users");
+        }
+    }
+}

Moonlight/App/Database/Migrations/DataContextModelSnapshot.cs

@@ -599,6 +599,29 @@ namespace Moonlight.App.Database.Migrations
                     b.ToTable("SharedDomains");
                 });
 
+            modelBuilder.Entity("Moonlight.App.Database.Entities.Subscription", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    b.Property<string>("Description")
+                        .IsRequired()
+                        .HasColumnType("longtext");
+
+                    b.Property<string>("LimitsJson")
+                        .IsRequired()
+                        .HasColumnType("longtext");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("longtext");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Subscriptions");
+                });
+
             modelBuilder.Entity("Moonlight.App.Database.Entities.SupportMessage", b =>
                 {
                     b.Property<int>("Id")
@@ -667,6 +690,9 @@ namespace Moonlight.App.Database.Migrations
                     b.Property<DateTime>("CreatedAt")
                         .HasColumnType("datetime(6)");
 
+                    b.Property<int?>("CurrentSubscriptionId")
+                        .HasColumnType("int");
+
                     b.Property<long>("DiscordId")
                         .HasColumnType("bigint");
 
@@ -693,6 +719,12 @@ namespace Moonlight.App.Database.Migrations
                     b.Property<int>("Status")
                         .HasColumnType("int");
 
+                    b.Property<int>("SubscriptionDuration")
+                        .HasColumnType("int");
+
+                    b.Property<DateTime>("SubscriptionSince")
+                        .HasColumnType("datetime(6)");
+
                     b.Property<bool>("SupportPending")
                         .HasColumnType("tinyint(1)");
 
@@ -711,6 +743,8 @@ namespace Moonlight.App.Database.Migrations
 
                     b.HasKey("Id");
 
+                    b.HasIndex("CurrentSubscriptionId");
+
                     b.ToTable("Users");
                 });
 
@@ -914,6 +948,15 @@ namespace Moonlight.App.Database.Migrations
                     b.Navigation("Sender");
                 });
 
+            modelBuilder.Entity("Moonlight.App.Database.Entities.User", b =>
+                {
+                    b.HasOne("Moonlight.App.Database.Entities.Subscription", "CurrentSubscription")
+                        .WithMany()
+                        .HasForeignKey("CurrentSubscriptionId");
+
+                    b.Navigation("CurrentSubscription");
+                });
+
             modelBuilder.Entity("Moonlight.App.Database.Entities.Website", b =>
                 {
                     b.HasOne("Moonlight.App.Database.Entities.AaPanel", "AaPanel")

Moonlight/App/Models/Forms/SubscriptionDataModel.cs

@@ -0,0 +1,13 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace Moonlight.App.Models.Forms;
+
+public class SubscriptionDataModel
+{
+    [Required(ErrorMessage = "You need to enter a name")]
+    [MaxLength(32, ErrorMessage = "Max lenght for name is 32")]
+    public string Name { get; set; } = "";
+
+    [Required(ErrorMessage = "You need to enter a description")]
+    public string Description { get; set; } = "";
+}

Moonlight/App/Models/Misc/SubscriptionLimit.cs

@@ -0,0 +1,14 @@
+namespace Moonlight.App.Models.Misc;
+
+public class SubscriptionLimit
+{
+    public string Identifier { get; set; } = "";
+    public int Amount { get; set; }
+    public List<LimitOption> Options { get; set; } = new();
+    
+    public class LimitOption
+    {
+        public string Key { get; set; } = "";
+        public string Value { get; set; } = "";
+    }
+}

Moonlight/App/Repositories/SubscriptionRepository.cs

@@ -0,0 +1,44 @@
+using Microsoft.EntityFrameworkCore;
+using Moonlight.App.Database;
+using Moonlight.App.Database.Entities;
+
+namespace Moonlight.App.Repositories;
+
+public class SubscriptionRepository : IDisposable
+{
+    private readonly DataContext DataContext;
+
+    public SubscriptionRepository(DataContext dataContext)
+    {
+        DataContext = dataContext;
+    }
+
+    public DbSet<Subscription> Get()
+    {
+        return DataContext.Subscriptions;
+    }
+
+    public Subscription Add(Subscription subscription)
+    {
+        var x = DataContext.Subscriptions.Add(subscription);
+        DataContext.SaveChanges();
+        return x.Entity;
+    }
+
+    public void Update(Subscription subscription)
+    {
+        DataContext.Subscriptions.Update(subscription);
+        DataContext.SaveChanges();
+    }
+    
+    public void Delete(Subscription subscription)
+    {
+        DataContext.Subscriptions.Remove(subscription);
+        DataContext.SaveChanges();
+    }
+
+    public void Dispose()
+    {
+        DataContext.Dispose();
+    }
+}

Moonlight/App/Services/SubscriptionAdminService.cs

@@ -0,0 +1,45 @@
+using Moonlight.App.Database.Entities;
+using Moonlight.App.Models.Misc;
+using Moonlight.App.Repositories;
+using Newtonsoft.Json;
+
+namespace Moonlight.App.Services;
+
+public class SubscriptionAdminService
+{
+    private readonly SubscriptionRepository SubscriptionRepository;
+    private readonly OneTimeJwtService OneTimeJwtService;
+
+    public SubscriptionAdminService(OneTimeJwtService oneTimeJwtService, SubscriptionRepository subscriptionRepository)
+    {
+        OneTimeJwtService = oneTimeJwtService;
+        SubscriptionRepository = subscriptionRepository;
+    }
+
+    public Task<SubscriptionLimit[]> GetLimits(Subscription subscription)
+    {
+        return Task.FromResult(
+            JsonConvert.DeserializeObject<SubscriptionLimit[]>(subscription.LimitsJson) 
+            ?? Array.Empty<SubscriptionLimit>()
+        );
+    }
+
+    public Task SaveLimits(Subscription subscription, SubscriptionLimit[] limits)
+    {
+        subscription.LimitsJson = JsonConvert.SerializeObject(limits);
+        SubscriptionRepository.Update(subscription);
+        
+        return Task.CompletedTask;
+    }
+
+    public Task<string> GenerateCode(Subscription subscription, int duration)
+    {
+        return Task.FromResult(
+            OneTimeJwtService.Generate(data =>
+            {
+                data.Add("subscription", subscription.Id.ToString());
+                data.Add("duration", duration.ToString());
+            }, TimeSpan.FromDays(10324))
+        );
+    }
+}

Moonlight/App/Services/SubscriptionService.cs

@@ -0,0 +1,140 @@
+using Microsoft.EntityFrameworkCore;
+using Moonlight.App.Database.Entities;
+using Moonlight.App.Exceptions;
+using Moonlight.App.Models.Misc;
+using Moonlight.App.Repositories;
+using Moonlight.App.Services.Sessions;
+using Newtonsoft.Json;
+
+namespace Moonlight.App.Services;
+
+public class SubscriptionService
+{
+    private readonly SubscriptionRepository SubscriptionRepository;
+    private readonly OneTimeJwtService OneTimeJwtService;
+    private readonly IdentityService IdentityService;
+    private readonly UserRepository UserRepository;
+    private readonly ConfigService ConfigService;
+
+    public SubscriptionService(
+        SubscriptionRepository subscriptionRepository,
+        OneTimeJwtService oneTimeJwtService,
+        IdentityService identityService,
+        UserRepository userRepository,
+        ConfigService configService)
+    {
+        SubscriptionRepository = subscriptionRepository;
+        OneTimeJwtService = oneTimeJwtService;
+        IdentityService = identityService;
+        UserRepository = userRepository;
+        ConfigService = configService;
+    }
+
+    public async Task<Subscription?> GetCurrent()
+    {
+        var user = await GetCurrentUser();
+
+        if (user == null || user.CurrentSubscription == null)
+            return null;
+
+        var subscriptionEnd = user.SubscriptionSince.ToUniversalTime().AddDays(user.SubscriptionDuration);
+
+        if (subscriptionEnd > DateTime.UtcNow)
+        {
+            return user.CurrentSubscription;
+        }
+
+        return null;
+    }
+
+    public async Task ApplyCode(string code)
+    {
+        var data = await OneTimeJwtService.Validate(code);
+
+        if (data == null)
+            throw new DisplayException("Invalid or expired subscription code");
+
+        var id = int.Parse(data["subscription"]);
+        var duration = int.Parse(data["duration"]);
+
+        var subscription = SubscriptionRepository
+            .Get()
+            .FirstOrDefault(x => x.Id == id);
+
+        if (subscription == null)
+            throw new DisplayException("The subscription the code is associated with does not exist");
+
+        var user = await GetCurrentUser();
+
+        if (user == null)
+            throw new DisplayException("Unable to determine current user");
+
+        user.CurrentSubscription = subscription;
+        user.SubscriptionDuration = duration;
+        user.SubscriptionSince = DateTime.UtcNow;
+        
+        UserRepository.Update(user);
+
+        await OneTimeJwtService.Revoke(code);
+    }
+
+    public async Task<SubscriptionLimit> GetLimit(string identifier)
+    {
+        var configSection = ConfigService.GetSection("Moonlight").GetSection("Subscriptions");
+        
+        var defaultLimits = configSection.GetValue<SubscriptionLimit[]>("defaultLimits");
+
+        var subscription = await GetCurrent();
+
+        if (subscription == null)
+        {
+            var foundDefault = defaultLimits.FirstOrDefault(x => x.Identifier == identifier);
+
+            if (foundDefault != null)
+                return foundDefault;
+
+            return new()
+            {
+                Identifier = identifier,
+                Amount = 0
+            };
+        }
+        else
+        {
+            var subscriptionLimits = 
+                JsonConvert.DeserializeObject<SubscriptionLimit[]>(subscription.LimitsJson) 
+                ?? Array.Empty<SubscriptionLimit>();
+
+            var foundLimit = subscriptionLimits.FirstOrDefault(x => x.Identifier == identifier);
+
+            if (foundLimit != null)
+                return foundLimit;
+            
+            var foundDefault = defaultLimits.FirstOrDefault(x => x.Identifier == identifier);
+
+            if (foundDefault != null)
+                return foundDefault;
+
+            return new()
+            {
+                Identifier = identifier,
+                Amount = 0
+            };
+        }
+    }
+
+    private async Task<User?> GetCurrentUser()
+    {
+        var user = await IdentityService.Get();
+
+        if (user == null)
+            return null;
+
+        var userWithData = UserRepository
+            .Get()
+            .Include(x => x.CurrentSubscription)
+            .First(x => x.Id == user.Id);
+
+        return userWithData;
+    }
+}

Moonlight/Program.cs

@@ -62,6 +62,7 @@ namespace Moonlight
             builder.Services.AddScoped<AaPanelRepository>();
             builder.Services.AddScoped<WebsiteRepository>();
             builder.Services.AddScoped<DdosAttackRepository>();
+            builder.Services.AddScoped<SubscriptionRepository>();
 
             builder.Services.AddScoped<AuditLogEntryRepository>();
             builder.Services.AddScoped<ErrorLogEntryRepository>();
@@ -94,6 +95,9 @@ namespace Moonlight
             builder.Services.AddScoped<GoogleOAuth2Service>();
             builder.Services.AddScoped<DiscordOAuth2Service>();
 
+            builder.Services.AddScoped<SubscriptionService>();
+            builder.Services.AddScoped<SubscriptionAdminService>();
+
             builder.Services.AddSingleton<CleanupService>();
 
             // Loggers

Moonlight/Shared/Components/Forms/DeleteButton.razor

@@ -0,0 +1,57 @@
+@using Moonlight.App.Services
+@using Moonlight.App.Services.Interop
+
+@inject SmartTranslateService SmartTranslateService
+@inject AlertService AlertService
+
+@if (!Working)
+{
+    <button class="btn btn-danger" @onclick="Do">
+        <i class="bx bx-trash"></i>
+    </button>
+}
+else
+{
+    <button class="btn btn-danger disabled" disabled="">
+        <span class="spinner-border spinner-border-sm align-middle me-2"></span>
+    </button>
+}
+
+@code
+{
+    private bool Working { get; set; } = false;
+
+    [Parameter]
+    public Func<Task>? OnClick { get; set; }
+
+    [Parameter]
+    public bool Confirm { get; set; } = false;
+
+    private async Task Do()
+    {
+        Working = true;
+        StateHasChanged();
+        await Task.Run(async () =>
+        {
+            if (Confirm)
+            {
+                var b = await AlertService.YesNo(
+                    SmartTranslateService.Translate("Are you sure?"),
+                    SmartTranslateService.Translate("Do you really want to delete it?"),
+                    SmartTranslateService.Translate("Yes"),
+                    SmartTranslateService.Translate("No")
+                    );
+
+                if (b)
+                {
+                    if(OnClick != null)
+                        await OnClick.Invoke();
+                }
+                    
+            }
+
+            Working = false;
+            await InvokeAsync(StateHasChanged);
+        });
+    }
+}

Moonlight/Shared/Components/Forms/SmartForm.razor

@@ -33,13 +33,13 @@
     public object Model { get; set; }
 
     [Parameter]
-    public EventCallback<EditContext> OnValidSubmit { get; set; }
+    public Func<Task>? OnValidSubmit { get; set; }
 
     [Parameter]
-    public EventCallback<EditContext> OnInvalidSubmit { get; set; }
+    public Func<Task>? OnInvalidSubmit { get; set; }
 
     [Parameter]
-    public EventCallback<EditContext> OnSubmit { get; set; }
+    public Func<Task>? OnSubmit { get; set; }
 
     [Parameter]
     public RenderFragment ChildContent { get; set; }
@@ -67,8 +67,14 @@
 
         await Task.Run(async () =>
         {
-            await InvokeAsync(() => OnValidSubmit.InvokeAsync(context));
-            await InvokeAsync(() => OnSubmit.InvokeAsync(context));
+            await InvokeAsync(async () =>
+            {
+                if (OnValidSubmit != null)
+                    await OnValidSubmit.Invoke();
+                
+                if (OnSubmit != null)
+                    await OnSubmit.Invoke();
+            });
 
             Working = false;
             await InvokeAsync(StateHasChanged);
@@ -87,7 +93,10 @@
 
         await InvokeAsync(StateHasChanged);
 
-        await OnInvalidSubmit.InvokeAsync(context);
-        await OnSubmit.InvokeAsync(context);
+        if (OnInvalidSubmit != null)
+            await OnInvalidSubmit.Invoke();
+        
+        if (OnSubmit != null)
+            await OnSubmit.Invoke();
     }
 }

Moonlight/Shared/Components/Partials/SidebarMenu.razor

@@ -225,6 +225,14 @@ else
                 <span class="menu-title"><TL>Support</TL></span>
             </a>
         </div>
+        <div class="menu-item">
+            <a class="menu-link" href="/admin/subscriptions">
+                <span class="menu-icon">
+                    <i class="bx bx-credit-card"></i>
+                </span>
+                <span class="menu-title"><TL>Subscriptions</TL></span>
+            </a>
+        </div>
         <div class="menu-item">
             <a class="menu-link" href="/admin/statistics">
                 <span class="menu-icon">

Moonlight/Shared/Views/Admin/Subscriptions/Index.razor

@@ -0,0 +1,72 @@
+@page "/admin/subscriptions/"
+@using Moonlight.App.Services
+@using Moonlight.App.Database.Entities
+@using Moonlight.App.Repositories
+@using BlazorTable
+
+@inject SmartTranslateService SmartTranslateService
+@inject SubscriptionRepository SubscriptionRepository
+
+<OnlyAdmin>
+    <div class="card">
+        <LazyLoader @ref="LazyLoader" Load="Load">
+            <div class="card-header border-0 pt-5">
+                <h3 class="card-title align-items-start flex-column">
+                    <span class="card-label fw-bold fs-3 mb-1">
+                        <TL>Subscriptions</TL>
+                    </span>
+                </h3>
+                <div class="card-toolbar">
+                    <a href="/admin/subscriptions/new" class="btn btn-sm btn-light-success">
+                        <i class="bx bx-credit-card"></i>
+                        <TL>New subscription</TL>
+                    </a>
+                </div>
+            </div>
+            <div class="card-body">
+                <div class="table-responsive">
+                    <Table TableItem="Subscription" Items="Subscriptions" PageSize="25" TableClass="table table-row-bordered table-row-gray-100 align-middle gs-0 gy-3" TableHeadClass="fw-bold text-muted">
+                        <Column TableItem="Subscription" Title="@(SmartTranslateService.Translate("Id"))" Field="@(x => x.Id)" Sortable="true" Filterable="true"/>
+                        <Column TableItem="Subscription" Title="@(SmartTranslateService.Translate("Name"))" Field="@(x => x.Name)" Sortable="true" Filterable="true"/>
+                        <Column TableItem="Subscription" Title="@(SmartTranslateService.Translate("Description"))" Field="@(x => x.Description)" Sortable="true" Filterable="true"/>
+                        <Column TableItem="Subscription" Title="@(SmartTranslateService.Translate("Manage"))" Field="@(x => x.Id)" Sortable="false" Filterable="false">
+                            <Template>
+                                <a href="/admin/subscriptions/edit/@(context.Id)/">
+                                    <TL>Manage</TL>
+                                </a>
+                            </Template>
+                        </Column>
+                        <Column TableItem="Subscription" Title="@(SmartTranslateService.Translate("Manage"))" Field="@(x => x.Id)" Sortable="false" Filterable="false">
+                            <Template>
+                                <DeleteButton Confirm="true" OnClick="() => Delete(context)" />
+                            </Template>
+                        </Column>
+                        <Pager ShowPageNumber="true" ShowTotalCount="true"/>
+                    </Table>
+                </div>
+            </div>
+        </LazyLoader>
+    </div>
+</OnlyAdmin>
+
+@code
+{
+    private Subscription[] Subscriptions;
+    private LazyLoader LazyLoader;
+
+    private Task Load(LazyLoader arg)
+    {
+        Subscriptions = SubscriptionRepository
+            .Get()
+            .ToArray();
+
+        return Task.CompletedTask;
+    }
+
+    private async Task Delete(Subscription subscription)
+    {
+        SubscriptionRepository.Delete(subscription);
+        
+        await LazyLoader.Reload();
+    }
+}

Moonlight/Shared/Views/Admin/Subscriptions/New.razor

@@ -0,0 +1,137 @@
+@page "/admin/subscriptions/new"
+@using Moonlight.App.Models.Forms
+@using Moonlight.App.Models.Misc
+@using Moonlight.App.Repositories
+@using Moonlight.App.Services
+
+@inject NavigationManager NavigationManager
+@inject SubscriptionRepository SubscriptionRepository
+@inject SubscriptionAdminService SubscriptionAdminService
+
+<OnlyAdmin>
+    <div class="card card-body p-10">
+        <SmartForm Model="Model" OnValidSubmit="OnSubmit">
+            <label class="form-label">
+                <TL>Name</TL>
+            </label>
+            <div class="input-group mb-5">
+                <InputText @bind-Value="Model.Name" class="form-control"></InputText>
+            </div>
+            <label class="form-label">
+                <TL>Description</TL>
+            </label>
+            <div class="input-group mb-5">
+                <InputText @bind-Value="Model.Description" class="form-control"></InputText>
+            </div>
+
+            <div>
+                @foreach (var limitPart in Limits.Chunk(3))
+                {
+                    <div class="row row-cols-3 mb-5">
+                        @foreach (var limit in limitPart)
+                        {
+                            <div class="col">
+                                <div class="card card-body border">
+                                    <label class="form-label">
+                                        <TL>Identifier</TL>
+                                    </label>
+                                    <div class="input-group mb-5">
+                                        <input @bind="limit.Identifier" type="text" class="form-control">
+                                    </div>
+                                    <label class="form-label">
+                                        <TL>Amount</TL>
+                                    </label>
+                                    <div class="input-group mb-5">
+                                        <input @bind="limit.Amount" type="number" class="form-control">
+                                    </div>
+                                    <div class="d-flex flex-column mb-15 fv-row">
+                                        <div class="fs-5 fw-bold form-label mb-3">
+                                            <TL>Options</TL>
+                                        </div>
+                                        <div class="table-responsive">
+                                            <div class="dataTables_wrapper dt-bootstrap4 no-footer">
+                                                <div class="table-responsive">
+                                                    <table class="table align-middle table-row-dashed fw-semibold fs-6 gy-5 dataTable no-footer">
+                                                        <thead>
+                                                        <tr class="text-start text-muted fw-bold fs-7 text-uppercase gs-0">
+                                                            <th class="pt-0 sorting_disabled">
+                                                                <TL>Key</TL>
+                                                            </th>
+                                                            <th class="pt-0 sorting_disabled">
+                                                                <TL>Value</TL>
+                                                            </th>
+                                                            <th class="pt-0 text-end sorting_disabled">
+                                                                <TL>Remove</TL>
+                                                            </th>
+                                                        </tr>
+                                                        </thead>
+                                                        <tbody>
+                                                        @foreach (var option in limit.Options)
+                                                        {
+                                                            <tr class="odd">
+                                                                <td>
+                                                                    <input @bind="option.Key" type="text" class="form-control form-control-solid">
+                                                                </td>
+                                                                <td>
+                                                                    <input @bind="option.Value" type="text" class="form-control form-control-solid">
+                                                                </td>
+                                                                <td class="text-end">
+                                                                    <button @onclick="() => limit.Options.Remove(option)" type="button" class="btn btn-icon btn-flex btn-active-light-primary w-30px h-30px me-3" data-kt-action="field_remove">
+                                                                        <i class="bx bx-trash"></i>
+                                                                    </button>
+                                                                </td>
+                                                            </tr>
+                                                        }
+                                                        </tbody>
+                                                    </table>
+                                                </div>
+                                                <div class="row">
+                                                    <div class="col-sm-12 col-md-5 d-flex align-items-center justify-content-center justify-content-md-start"></div>
+                                                    <div class="col-sm-12 col-md-7 d-flex align-items-center justify-content-center justify-content-md-end"></div>
+                                                </div>
+                                            </div>
+                                        </div>
+                                        <div class="btn-group mt-5">
+                                            <button @onclick:preventDefault @onclick="() => limit.Options.Add(new())" type="button" class="btn btn-light-primary me-auto">Add option</button>
+                                            <button @onclick:preventDefault @onclick="() => Limits.Remove(limit)" class="btn btn-danger float-end">
+                                                <i class="bx bx-trash"></i>
+                                            </button>
+                                        </div>
+                                    </div>
+                                </div>
+                            </div>
+                        }
+                    </div>
+                }
+            </div>
+
+            <div class="float-end">
+                <button @onclick:preventDefault @onclick="() => Limits.Add(new())" class="btn btn-primary">
+                    <TL>Add new limit</TL>
+                </button>
+                <button type="submit" class="btn btn-success">
+                    <TL>Create subscription</TL>
+                </button>
+            </div>
+        </SmartForm>
+    </div>
+</OnlyAdmin>
+
+@code
+{
+    private SubscriptionDataModel Model = new();
+    private List<SubscriptionLimit> Limits = new();
+
+    private async Task OnSubmit()
+    {
+        var sub = SubscriptionRepository.Add(new()
+        {
+            Name = Model.Name,
+            Description = Model.Description
+        });
+
+        await SubscriptionAdminService.SaveLimits(sub, Limits.ToArray());
+        
+        NavigationManager.NavigateTo("/admin/subscriptions");
+    }
+}

Moonlight/Shared/Views/Profile/Index.razor

@@ -87,8 +87,10 @@
         User = await IdentityService.Get();
     }
 
-    private void Save()
+    private Task Save()
     {
         UserRepository.Update(User);
+        
+        return Task.CompletedTask;
     }
 }

Moonlight/resources/lang/de_de.lang

@@ -454,3 +454,11 @@ Finish activation;Finish activation
 New password;New password
 Secure your account;Secure your account
 2fa adds another layer of security to your account. You have to enter a 6 digit code in order to login.;2fa adds another layer of security to your account. You have to enter a 6 digit code in order to login.
+New subscription;New subscription
+You need to enter a name;You need to enter a name
+You need to enter a description;You need to enter a description
+Add new limit;Add new limit
+Create subscription;Create subscription
+Options;Options
+Amount;Amount
+Do you really want to delete it?;Do you really want to delete it?