Добавлен playlist shared

PlaylistShared/Components/Pages/CreatePlaylist.razor

@@ -0,0 +1,80 @@
+@page "/createplaylist"
+@attribute [Authorize]
+@using System.Security.Claims
+@using Microsoft.AspNetCore.Components.Authorization
+@inject AuthenticationStateProvider AuthenticationStateProvider
+@inject AppDbContext Db
+@inject IYandexMusicService YandexService
+@inject NavigationManager Navigation
+
+<h3>Создание общего плейлиста</h3>
+
+<EditForm Model="@model" OnValidSubmit="@HandleSubmit">
+    <div class="mb-3">
+        <label for="title">Название плейлиста</label>
+        <InputText id="title" class="form-control" @bind-Value="model.Title" />
+        <ValidationMessage For="@(() => model.Title)" />
+    </div>
+    <div class="mb-3">
+        <label for="description">Описание (необязательно)</label>
+        <InputText id="description" class="form-control" @bind-Value="model.Description" />
+    </div>
+    <button type="submit" class="btn btn-primary" disabled="@isLoading">@(isLoading ? "Создание..." : "Создать")</button>
+</EditForm>
+
+@code {
+    private CreateModel model = new();
+    private bool isLoading;
+    private string? userId;
+    
+    public class CreateModel
+    {
+        [Required]
+        public string Title { get; set; } = "";
+        public string? Description { get; set; }
+    }
+    
+    protected override async Task OnInitializedAsync()
+    {
+        var authState = await AuthenticationStateProvider.GetAuthenticationStateAsync();
+        userId = authState.User.FindFirst(ClaimTypes.NameIdentifier)?.Value;
+    }
+    
+    private async Task HandleSubmit()
+    {
+        if (string.IsNullOrEmpty(userId))
+        {
+            // пользователь не авторизован
+            return;
+        }
+        
+        isLoading = true;
+        try
+        {
+            // 1. Создаём плейлист в Яндекс Музыке
+            var yandexId = await YandexService.CreatePlaylistAsync(userId, model.Title);
+            // 2. Сохраняем в БД
+            var playlist = new SharedPlaylist
+            {
+                Id = Guid.NewGuid(),
+                OwnerUserId = userId,
+                YandexPlaylistId = yandexId,
+                Title = model.Title,
+                Description = model.Description,
+                ShareSlug = Guid.NewGuid().ToString("N"),
+                CreatedAt = DateTime.UtcNow
+            };
+            Db.SharedPlaylists.Add(playlist);
+            await Db.SaveChangesAsync();
+            Navigation.NavigateTo("/myplaylists");
+        }
+        catch (Exception ex)
+        {
+            // показать ошибку (можно добавить переменную errorMessage)
+        }
+        finally
+        {
+            isLoading = false;
+        }
+    }
+}