Добавлена подсветка воспроизводимой песни

2026-05-22 00:07:26 +03:00
parent 9139d8ecfe
commit efe1c3c2dd
23 changed files with 362 additions and 57 deletions
--- a/PlaylistShared.Api/Controllers/OgController.cs
+++ b/PlaylistShared.Api/Controllers/OgController.cs
@@ -0,0 +1,67 @@
+using Microsoft.AspNetCore.Mvc;
+using PlaylistShared.Api.Services;
+
+namespace PlaylistShared.Api.Controllers;
+
+[ApiController]
+[Route("shared")]
+public class OgController : ControllerBase
+{
+    private readonly SharedPlaylistService _sharedService;
+    private readonly string _clientBaseUrl;
+
+    public OgController(SharedPlaylistService sharedService, IConfiguration configuration)
+    {
+        _sharedService = sharedService;
+        _clientBaseUrl = configuration["Client:BaseUrl"]?.TrimEnd('/') ?? "";
+    }
+
+    [HttpGet("{token}")]
+    [Produces("text/html")]
+    public async Task<ContentResult> GetOgPage(string token)
+    {
+        var entity = await _sharedService.GetEntityByTokenAsync(token);
+        var pwaUrl = $"{_clientBaseUrl}/shared/{token}";
+
+        string title = entity?.Title ?? "Playlist Share";
+        string description = entity != null
+            ? $"Слушайте плейлист «{entity.Title}» на Playlist Share"
+            : "Совместные плейлисты Яндекс.Музыки";
+        string imageUrl = !string.IsNullOrEmpty(entity?.CoverUrl) ? entity.CoverUrl : "";
+
+        var html = $"""
+            <!DOCTYPE html>
+            <html lang="ru">
+            <head>
+                <meta charset="utf-8" />
+                <meta name="viewport" content="width=device-width, initial-scale=1" />
+                <title>{HtmlEncode(title)}</title>
+
+                <meta property="og:type"        content="music.playlist" />
+                <meta property="og:title"       content="{HtmlEncode(title)}" />
+                <meta property="og:description" content="{HtmlEncode(description)}" />
+                <meta property="og:url"         content="{HtmlEncode(pwaUrl)}" />
+                {(string.IsNullOrEmpty(imageUrl) ? "" : $"""<meta property="og:image" content="{HtmlEncode(imageUrl)}" />""")}
+                <meta name="twitter:card"        content="summary_large_image" />
+                <meta name="twitter:title"       content="{HtmlEncode(title)}" />
+                <meta name="twitter:description" content="{HtmlEncode(description)}" />
+                {(string.IsNullOrEmpty(imageUrl) ? "" : $"""<meta name="twitter:image" content="{HtmlEncode(imageUrl)}" />""")}
+
+                <meta http-equiv="refresh" content="0;url={HtmlEncode(pwaUrl)}" />
+                <script>window.location.replace("{JsEncode(pwaUrl)}");</script>
+            </head>
+            <body>
+                <p>Перенаправление на <a href="{HtmlEncode(pwaUrl)}">{HtmlEncode(title)}</a>…</p>
+            </body>
+            </html>
+            """;
+
+        return Content(html, "text/html; charset=utf-8");
+    }
+
+    private static string HtmlEncode(string s) =>
+        System.Web.HttpUtility.HtmlAttributeEncode(s);
+
+    private static string JsEncode(string s) =>
+        s.Replace("\\", "\\\\").Replace("'", "\\'").Replace("\"", "\\\"");
+}