Refactor user and media endpoints: remove unused GetUser and GetMedia methods, streamline AdminUserEndpoints and MediaEndpoints, and enhance metadata handling in MetadataEndpoints. Update Program.cs to remove legacy image relocation logic and improve overall code clarity.

backend/src/TeleWave.Infrastructure/Identity/CurrentUser.cs

@@ -10,10 +10,6 @@ internal sealed class CurrentUser(IHttpContextAccessor httpContextAccessor) : IC
 
     public Guid? UserId => ParseHttpUserId();
 
-    public string? UserName => Principal?.FindFirstValue(ClaimTypes.Name);
-
-    public bool IsAuthenticated => Principal?.Identity?.IsAuthenticated ?? false;
-
     private Guid? ParseHttpUserId()
     {
         var value = Principal?.FindFirstValue(ClaimTypes.NameIdentifier);

backend/src/TeleWave.Infrastructure/Identity/IdentityService.cs

@@ -11,7 +11,6 @@ namespace TeleWave.Infrastructure.Identity;
 internal sealed class IdentityService(
     UserManager<AppUser> userManager,
     SignInManager<AppUser> signInManager,
-    RoleManager<AppRole> roleManager,
     AppDbContext dbContext
 ) : IIdentityService
 {
@@ -72,15 +71,8 @@ internal sealed class IdentityService(
             return null;
 
         var role = await GetPrimaryRoleAsync(user);
-        var roleEntity = await roleManager.FindByNameAsync(role);
 
-        return new CurrentUserProfile(
-            user.Id,
-            user.UserName!,
-            roleEntity?.Id ?? Guid.Empty,
-            role,
-            user.IsBlocked
-        );
+        return new CurrentUserProfile(user.Id, user.UserName!, role, user.IsBlocked);
     }
 
     public async Task<Result> ChangePasswordAsync(
@@ -260,19 +252,6 @@ internal sealed class IdentityService(
         return new PagedList<UserSummaryDto>(items, total, page, pageSize);
     }
 
-    public async Task<UserSummaryDto?> GetUserAsync(
-        Guid userId,
-        CancellationToken cancellationToken
-    )
-    {
-        var user = await userManager.FindByIdAsync(userId.ToString());
-        if (user is null)
-            return null;
-
-        var role = await GetPrimaryRoleAsync(user);
-        return new UserSummaryDto(user.Id, user.UserName!, role, user.IsBlocked, user.CreatedAt);
-    }
-
     private async Task<string> GetPrimaryRoleAsync(AppUser user)
     {
         var roles = await userManager.GetRolesAsync(user);

backend/src/TeleWave.Infrastructure/Media/BumperRenderBackgroundService.cs

@@ -122,7 +122,11 @@ public sealed class BumperRenderBackgroundService(
             var spec = await BuildSpecAsync(db, assetId, cancellationToken);
             if (spec is null)
             {
-                await FailAsync(assetId, "Не удалось восстановить спецификацию заставки", cancellationToken);
+                await FailAsync(
+                    assetId,
+                    "Не удалось восстановить спецификацию заставки",
+                    cancellationToken
+                );
                 return;
             }
 
@@ -195,7 +199,11 @@ public sealed class BumperRenderBackgroundService(
         if (variant.Kind == Domain.Broadcast.BumperTextKind.NowNext)
             posterPath = await ResolveShowPosterAsync(db, cache.ToShowId, cancellationToken);
 
-        var bgPath = await ResolveTemplateBackgroundAsync(db, template.BackgroundImageId, cancellationToken);
+        var bgPath = await ResolveTemplateBackgroundAsync(
+            db,
+            template.BackgroundImageId,
+            cancellationToken
+        );
         var aligned = BumperDuration.Aligned(
             BumperDuration.TemplateSeconds(template),
             _segmentSeconds

backend/src/TeleWave.Infrastructure/Media/BumperRenderQueue.cs

@@ -1,20 +1,6 @@
-using System.Threading.Channels;
 using TeleWave.Application.Common.Interfaces;
 
 namespace TeleWave.Infrastructure.Media;
 
-/// <summary>Сигнальная очередь-будильник поверх Channel (id ассета — лишь сигнал; работу берём из БД).</summary>
-public sealed class BumperRenderQueue : IBumperRenderQueue
-{
-    private readonly Channel<Guid> _channel = Channel.CreateUnbounded<Guid>(
-        new UnboundedChannelOptions { SingleReader = true }
-    );
-
-    public void Enqueue(Guid assetId) => _channel.Writer.TryWrite(assetId);
-
-    public async ValueTask WaitAsync(CancellationToken cancellationToken)
-    {
-        await _channel.Reader.ReadAsync(cancellationToken);
-        while (_channel.Reader.TryRead(out _)) { }
-    }
-}
+/// <summary>Сигнальная очередь-будильник рендерера заставок (см. <see cref="SignalQueue"/>).</summary>
+public sealed class BumperRenderQueue : SignalQueue, IBumperRenderQueue { }

backend/src/TeleWave.Infrastructure/Media/FfmpegBumperRenderer.cs

@@ -2,6 +2,7 @@ using System.Globalization;
 using System.Text;
 using Microsoft.Extensions.Options;
 using TeleWave.Application.Common.Interfaces;
+using static TeleWave.Infrastructure.Media.FfmpegText;
 
 namespace TeleWave.Infrastructure.Media;
 
@@ -221,9 +222,7 @@ public sealed class FfmpegBumperRenderer(
             var nextSize = FitSize(spec.NextTitle, titleSize, textWidth);
             vchain
                 .Append(',')
-                .Append(
-                    DrawLabel(font, nowLabelFile, spec.AccentColor, labelSize, nowLabelY, 0.2)
-                );
+                .Append(DrawLabel(font, nowLabelFile, spec.AccentColor, labelSize, nowLabelY, 0.2));
             vchain
                 .Append(',')
                 .Append(DrawTitle(font, nowFile, spec.TextColor, nowSize, nowTitleY, 0.3));
@@ -340,9 +339,6 @@ public sealed class FfmpegBumperRenderer(
     /// двоеточие экранируется). На Linux (контейнере) — фактически no-op.</summary>
     private static string EscapePath(string path) => path.Replace('\\', '/').Replace(":", "\\:");
 
-    private static string Fmt(double value) =>
-        value.ToString("0.###", CultureInfo.InvariantCulture);
-
     private static void TryDelete(string path)
     {
         try
@@ -355,11 +351,4 @@ public sealed class FfmpegBumperRenderer(
             // Файл-подсказка для drawtext; не критично, если не удалился.
         }
     }
-
-    private static string Tail(string text)
-    {
-        text = text.Trim();
-        const int max = 500;
-        return text.Length <= max ? text : text[^max..];
-    }
 }

backend/src/TeleWave.Infrastructure/Media/FfmpegMediaProcessor.cs

@@ -4,6 +4,7 @@ using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Options;
 using TeleWave.Application.Common.Interfaces;
 using TeleWave.Application.Media;
+using static TeleWave.Infrastructure.Media.FfmpegText;
 
 namespace TeleWave.Infrastructure.Media;
 
@@ -98,14 +99,7 @@ public sealed class FfmpegMediaProcessor(
         if (padding)
             vfilter += $",tpad=stop_duration={Fmt(pad)}:stop_mode=add:color=black";
 
-        var args = new List<string>
-        {
-            "-hide_banner",
-            "-nostdin",
-            "-y",
-            "-i",
-            input,
-        };
+        var args = new List<string> { "-hide_banner", "-nostdin", "-y", "-i", input };
 
         // Явный выбор дорожки по предпочитаемому языку: маппим видео + конкретную аудиодорожку.
         // Без выбора (audioTrack == null) — не маппим, оставляя дефолтную эвристику ffmpeg (как раньше).
@@ -262,13 +256,17 @@ public sealed class FfmpegMediaProcessor(
         await using var scope = scopeFactory.CreateAsyncScope();
         var settings = scope.ServiceProvider.GetRequiredService<ISiteSettings>();
         var configured = await settings.GetPreferredAudioLanguagesAsync(cancellationToken);
-        var raw = string.IsNullOrWhiteSpace(configured) ? _media.PreferredAudioLanguages : configured;
-        return raw.Split(',', StringSplitOptions.RemoveEmptyEntries | StringSplitOptions.TrimEntries)
+        var raw = string.IsNullOrWhiteSpace(configured)
+            ? _media.PreferredAudioLanguages
+            : configured;
+        return raw.Split(
+                ',',
+                StringSplitOptions.RemoveEmptyEntries | StringSplitOptions.TrimEntries
+            )
             .Select(x => x.ToLowerInvariant())
             .ToList();
     }
 
-
     private static (int Width, int Height) ScaleDown(int width, int height)
     {
         if (width <= MaxWidth)
@@ -279,16 +277,6 @@ public sealed class FfmpegMediaProcessor(
         return (MaxWidth, scaledHeight);
     }
 
-    private static string Fmt(double value) =>
-        value.ToString("0.###", CultureInfo.InvariantCulture);
-
-    private static string Tail(string text)
-    {
-        text = text.Trim();
-        const int max = 500;
-        return text.Length <= max ? text : text[^max..];
-    }
-
     private sealed record ProbeInfo(
         double Duration,
         int Width,

backend/src/TeleWave.Infrastructure/Media/FfmpegText.cs

@@ -0,0 +1,18 @@
+using System.Globalization;
+
+namespace TeleWave.Infrastructure.Media;
+
+/// <summary>Общие текстовые хелперы для сборки аргументов ffmpeg и разбора его вывода.</summary>
+internal static class FfmpegText
+{
+    /// <summary>Формат double для фильтров/аргументов ffmpeg (инвариантная культура, до 3 знаков).</summary>
+    public static string Fmt(double value) => value.ToString("0.###", CultureInfo.InvariantCulture);
+
+    /// <summary>Хвост stderr для сообщения об ошибке (последние 500 символов).</summary>
+    public static string Tail(string text)
+    {
+        text = text.Trim();
+        const int max = 500;
+        return text.Length <= max ? text : text[^max..];
+    }
+}

backend/src/TeleWave.Infrastructure/Media/MediaPathResolver.cs

@@ -18,7 +18,6 @@ public sealed class MediaPathResolver
         OriginalsDir = Path.Combine(_root, "originals");
         AssetsDir = Path.Combine(_root, "assets");
         BumpersDir = Path.Combine(_root, "bumpers");
-        MetadataDir = Path.Combine(_root, "metadata");
         ImagesDir = Path.Combine(_root, "images");
     }
 
@@ -30,9 +29,6 @@ public sealed class MediaPathResolver
     /// <summary>Сырые файлы шаблонов заставок (фон/музыка) по каналам — не режутся на HLS.</summary>
     public string BumpersDir { get; }
 
-    /// <summary>Картинки метаданных (постеры/кадры), скачанные локально.</summary>
-    public string MetadataDir { get; }
-
     /// <summary>Общий реестр изображений (галерея): файлы images/{imageId}{ext}.</summary>
     public string ImagesDir { get; }
 
@@ -43,47 +39,9 @@ public sealed class MediaPathResolver
         Directory.CreateDirectory(OriginalsDir);
         Directory.CreateDirectory(AssetsDir);
         Directory.CreateDirectory(BumpersDir);
-        Directory.CreateDirectory(MetadataDir);
         Directory.CreateDirectory(ImagesDir);
     }
 
-    public string MetadataShowDir(Guid showId) =>
-        EnsureWithinRoot(Path.Combine(MetadataDir, "shows", showId.ToString("N")));
-
-    /// <summary>Абсолютный путь к файлу постера шоу (extension — с точкой).</summary>
-    public string MetadataShowPosterPath(Guid showId, string extension) =>
-        EnsureWithinRoot(
-            Path.Combine(MetadataDir, "shows", showId.ToString("N"), "poster" + extension)
-        );
-
-    /// <summary>Относительный путь постера от корня (для хранения в БД и отдачи).</summary>
-    public string MetadataShowPosterRelative(Guid showId, string extension) =>
-        $"metadata/shows/{showId:N}/poster{extension}";
-
-    public string MetadataEpisodeDir(Guid episodeId) =>
-        EnsureWithinRoot(Path.Combine(MetadataDir, "episodes", episodeId.ToString("N")));
-
-    public string MetadataEpisodeStillPath(Guid episodeId, string extension) =>
-        EnsureWithinRoot(
-            Path.Combine(MetadataDir, "episodes", episodeId.ToString("N"), "still" + extension)
-        );
-
-    public string MetadataEpisodeStillRelative(Guid episodeId, string extension) =>
-        $"metadata/episodes/{episodeId:N}/still{extension}";
-
-    /// <summary>Абсолютный путь по относительному (с защитой от traversal) или null, если вне корня.</summary>
-    public string? ResolveRelative(string relativePath)
-    {
-        try
-        {
-            return EnsureWithinRoot(Path.Combine(_root, relativePath));
-        }
-        catch (UnauthorizedAccessException)
-        {
-            return null;
-        }
-    }
-
     public string BumperTemplateDir(Guid templateId) =>
         EnsureWithinRoot(Path.Combine(BumpersDir, templateId.ToString("N")));
 

backend/src/TeleWave.Infrastructure/Media/MediaProcessingQueue.cs

@@ -1,21 +1,6 @@
-using System.Threading.Channels;
 using TeleWave.Application.Common.Interfaces;
 
 namespace TeleWave.Infrastructure.Media;
 
-/// <summary>Сигнальная очередь-будильник поверх Channel (id ассета используется лишь как сигнал).</summary>
-public sealed class MediaProcessingQueue : IMediaProcessingQueue
-{
-    private readonly Channel<Guid> _channel = Channel.CreateUnbounded<Guid>(
-        new UnboundedChannelOptions { SingleReader = true }
-    );
-
-    public void Enqueue(Guid assetId) => _channel.Writer.TryWrite(assetId);
-
-    public async ValueTask WaitAsync(CancellationToken cancellationToken)
-    {
-        await _channel.Reader.ReadAsync(cancellationToken);
-        // Сдренировать накопившиеся сигналы — работу всё равно берём из БД пачкой.
-        while (_channel.Reader.TryRead(out _)) { }
-    }
-}
+/// <summary>Сигнальная очередь-будильник медиа-конвейера (см. <see cref="SignalQueue"/>).</summary>
+public sealed class MediaProcessingQueue : SignalQueue, IMediaProcessingQueue { }

backend/src/TeleWave.Infrastructure/Media/ProcessRunner.cs

@@ -63,13 +63,9 @@ internal static class ProcessRunner
         // (битый источник, -stream_loop и т.п.) не должен держать слот параллелизма/тик планировщика вечно.
         using var timeoutCts =
             timeout > TimeSpan.Zero ? new CancellationTokenSource(timeout) : null;
-        using var linked =
-            timeoutCts is null
-                ? null
-                : CancellationTokenSource.CreateLinkedTokenSource(
-                    cancellationToken,
-                    timeoutCts.Token
-                );
+        using var linked = timeoutCts is null
+            ? null
+            : CancellationTokenSource.CreateLinkedTokenSource(cancellationToken, timeoutCts.Token);
         var waitToken = linked?.Token ?? cancellationToken;
 
         try
@@ -79,7 +75,10 @@ internal static class ProcessRunner
         catch (OperationCanceledException)
         {
             TryKill(process);
-            if (timeoutCts is { IsCancellationRequested: true } && !cancellationToken.IsCancellationRequested)
+            if (
+                timeoutCts is { IsCancellationRequested: true }
+                && !cancellationToken.IsCancellationRequested
+            )
                 throw new TimeoutException(
                     $"Процесс {fileName} превысил таймаут {timeout.TotalSeconds:0}с и был прерван."
                 );

backend/src/TeleWave.Infrastructure/Media/SignalQueue.cs

@@ -0,0 +1,26 @@
+using System.Threading.Channels;
+
+namespace TeleWave.Infrastructure.Media;
+
+/// <summary>
+/// Базовая сигнальная очередь-будильник поверх Channel: id ассета используется лишь как сигнал,
+/// а работу фоновый обработчик всё равно берёт из БД пачкой (по статусу Pending). Поэтому потеря
+/// сигнала при рестарте не теряет задачи — они подхватываются из базы.
+/// </summary>
+public abstract class SignalQueue
+{
+    private readonly Channel<Guid> _channel = Channel.CreateUnbounded<Guid>(
+        new UnboundedChannelOptions { SingleReader = true }
+    );
+
+    /// <summary>Разбудить обработчик: появился ассет в статусе Pending.</summary>
+    public void Enqueue(Guid assetId) => _channel.Writer.TryWrite(assetId);
+
+    /// <summary>Ждать сигнала о новой работе (с дренажом накопленных).</summary>
+    public async ValueTask WaitAsync(CancellationToken cancellationToken)
+    {
+        await _channel.Reader.ReadAsync(cancellationToken);
+        // Сдренировать накопившиеся сигналы — работу всё равно берём из БД пачкой.
+        while (_channel.Reader.TryRead(out _)) { }
+    }
+}

backend/src/TeleWave.Infrastructure/Metadata/MetadataJson.cs

@@ -0,0 +1,53 @@
+using System.Text.Json;
+
+namespace TeleWave.Infrastructure.Metadata;
+
+/// <summary>Общие для провайдеров метаданных хелперы: HTTP-загрузка JSON и чтение полей.</summary>
+internal static class MetadataJson
+{
+    /// <summary>GET+parse через клиент "metadata"; бросает при не-2xx/сетевой ошибке (для поиска — показать сбой).</summary>
+    public static async Task<JsonDocument> GetAsync(
+        IHttpClientFactory httpFactory,
+        string url,
+        CancellationToken cancellationToken
+    )
+    {
+        var client = httpFactory.CreateClient("metadata");
+        using var response = await client.GetAsync(url, cancellationToken);
+        response.EnsureSuccessStatusCode();
+        var stream = await response.Content.ReadAsStreamAsync(cancellationToken);
+        return await JsonDocument.ParseAsync(stream, cancellationToken: cancellationToken);
+    }
+
+    /// <summary>Как <see cref="GetAsync"/>, но глотает ошибки в null (для get/episode — деградируем мягко).</summary>
+    public static async Task<JsonDocument?> TryGetAsync(
+        IHttpClientFactory httpFactory,
+        string url,
+        CancellationToken cancellationToken
+    )
+    {
+        try
+        {
+            return await GetAsync(httpFactory, url, cancellationToken);
+        }
+        catch (Exception ex)
+            when (ex is HttpRequestException or JsonException or TaskCanceledException)
+        {
+            return null;
+        }
+    }
+
+    public static string? GetString(JsonElement el, string name) =>
+        el.TryGetProperty(name, out var v) && v.ValueKind == JsonValueKind.String
+            ? v.GetString()
+            : null;
+
+    public static int? GetInt(JsonElement el, string name) =>
+        el.TryGetProperty(name, out var v) && v.ValueKind == JsonValueKind.Number
+            ? v.GetInt32()
+            : null;
+
+    /// <summary>Год из первых 4 символов строки даты/года ("YYYY-MM-DD" или "YYYY").</summary>
+    public static int? YearFrom(string? value) =>
+        value is { Length: >= 4 } && int.TryParse(value.AsSpan(0, 4), out var y) ? y : null;
+}

backend/src/TeleWave.Infrastructure/Metadata/OmdbMetadataProvider.cs

@@ -3,6 +3,7 @@ using System.Text.Json;
 using Microsoft.Extensions.Options;
 using TeleWave.Application.Common.Interfaces;
 using TeleWave.Application.Metadata;
+using static TeleWave.Infrastructure.Metadata.MetadataJson;
 
 namespace TeleWave.Infrastructure.Metadata;
 
@@ -23,7 +24,7 @@ public sealed class OmdbMetadataProvider(
     {
         var url =
             $"{_omdb.BaseUrl}/?apikey={_omdb.ApiKey}&type=series&s={Uri.EscapeDataString(query)}";
-        using var doc = await GetJsonAsync(url, cancellationToken);
+        using var doc = await GetAsync(httpFactory, url, cancellationToken);
         if (!doc.RootElement.TryGetProperty("Search", out var search))
             return [];
 
@@ -52,7 +53,7 @@ public sealed class OmdbMetadataProvider(
     )
     {
         var url = $"{_omdb.BaseUrl}/?apikey={_omdb.ApiKey}&i={Uri.EscapeDataString(externalId)}";
-        using var doc = await TryGetJsonAsync(url, cancellationToken);
+        using var doc = await TryGetAsync(httpFactory, url, cancellationToken);
         if (doc is null || !IsResponseTrue(doc.RootElement))
             return null;
         var root = doc.RootElement;
@@ -75,7 +76,7 @@ public sealed class OmdbMetadataProvider(
         var url =
             $"{_omdb.BaseUrl}/?apikey={_omdb.ApiKey}&i={Uri.EscapeDataString(externalId)}"
             + $"&Season={season}&Episode={episode}";
-        using var doc = await TryGetJsonAsync(url, cancellationToken);
+        using var doc = await TryGetAsync(httpFactory, url, cancellationToken);
         if (doc is null || !IsResponseTrue(doc.RootElement))
             return null;
         var root = doc.RootElement;
@@ -95,7 +96,7 @@ public sealed class OmdbMetadataProvider(
     {
         var url =
             $"{_omdb.BaseUrl}/?apikey={_omdb.ApiKey}&i={Uri.EscapeDataString(externalId)}&Season={season}";
-        using var doc = await TryGetJsonAsync(url, cancellationToken);
+        using var doc = await TryGetAsync(httpFactory, url, cancellationToken);
         if (
             doc is null
             || !IsResponseTrue(doc.RootElement)
@@ -106,53 +107,14 @@ public sealed class OmdbMetadataProvider(
         return episodes.GetArrayLength();
     }
 
-    /// <summary>GET+parse; бросает при не-2xx/сетевой ошибке (для поиска — чтобы показать сбой).</summary>
-    private async Task<JsonDocument> GetJsonAsync(string url, CancellationToken cancellationToken)
-    {
-        var client = httpFactory.CreateClient("metadata");
-        using var response = await client.GetAsync(url, cancellationToken);
-        response.EnsureSuccessStatusCode();
-        var stream = await response.Content.ReadAsStreamAsync(cancellationToken);
-        return await JsonDocument.ParseAsync(stream, cancellationToken: cancellationToken);
-    }
-
-    /// <summary>Как GetJsonAsync, но глотает ошибки в null (для get/episode — деградируем мягко).</summary>
-    private async Task<JsonDocument?> TryGetJsonAsync(
-        string url,
-        CancellationToken cancellationToken
-    )
-    {
-        try
-        {
-            return await GetJsonAsync(url, cancellationToken);
-        }
-        catch (Exception ex)
-            when (ex is HttpRequestException or JsonException or TaskCanceledException)
-        {
-            return null;
-        }
-    }
-
     private static bool IsResponseTrue(JsonElement root) =>
         GetString(root, "Response") is { } r
         && r.Equals("True", StringComparison.OrdinalIgnoreCase);
 
-    private static string? GetString(JsonElement el, string name) =>
-        el.TryGetProperty(name, out var v) && v.ValueKind == JsonValueKind.String
-            ? v.GetString()
-            : null;
-
     /// <summary>OMDb отдаёт «N/A» вместо отсутствующих значений — приводим к null.</summary>
     private static string? Clean(string? value) =>
         string.IsNullOrWhiteSpace(value) || value == "N/A" ? null : value;
 
-    private static int? YearFrom(string? year)
-    {
-        if (year is { Length: >= 4 } && int.TryParse(year.AsSpan(0, 4), out var y))
-            return y;
-        return null;
-    }
-
     private static DateOnly? DateFrom(string? released) =>
         DateTime.TryParse(released, CultureInfo.InvariantCulture, DateTimeStyles.None, out var dt)
             ? DateOnly.FromDateTime(dt)

backend/src/TeleWave.Infrastructure/Metadata/TmdbMetadataProvider.cs

@@ -3,6 +3,7 @@ using System.Text.Json;
 using Microsoft.Extensions.Options;
 using TeleWave.Application.Common.Interfaces;
 using TeleWave.Application.Metadata;
+using static TeleWave.Infrastructure.Metadata.MetadataJson;
 
 namespace TeleWave.Infrastructure.Metadata;
 
@@ -26,7 +27,7 @@ public sealed class TmdbMetadataProvider(
         var url =
             $"{Tmdb.BaseUrl}/search/tv?api_key={Tmdb.ApiKey}&language={_options.Language}"
             + $"&include_adult=false&query={Uri.EscapeDataString(query)}";
-        using var doc = await GetJsonAsync(url, cancellationToken);
+        using var doc = await GetAsync(httpFactory, url, cancellationToken);
         if (!doc.RootElement.TryGetProperty("results", out var results))
             return [];
 
@@ -56,7 +57,7 @@ public sealed class TmdbMetadataProvider(
     {
         var url =
             $"{Tmdb.BaseUrl}/tv/{externalId}?api_key={Tmdb.ApiKey}&language={_options.Language}";
-        using var doc = await TryGetJsonAsync(url, cancellationToken);
+        using var doc = await TryGetAsync(httpFactory, url, cancellationToken);
         if (doc is null)
             return null;
         var root = doc.RootElement;
@@ -79,7 +80,7 @@ public sealed class TmdbMetadataProvider(
         var url =
             $"{Tmdb.BaseUrl}/tv/{externalId}/season/{season}/episode/{episode}"
             + $"?api_key={Tmdb.ApiKey}&language={_options.Language}";
-        using var doc = await TryGetJsonAsync(url, cancellationToken);
+        using var doc = await TryGetAsync(httpFactory, url, cancellationToken);
         if (doc is null)
             return null;
         var root = doc.RootElement;
@@ -100,7 +101,7 @@ public sealed class TmdbMetadataProvider(
         var url =
             $"{Tmdb.BaseUrl}/tv/{externalId}/season/{season}"
             + $"?api_key={Tmdb.ApiKey}&language={_options.Language}";
-        using var doc = await TryGetJsonAsync(url, cancellationToken);
+        using var doc = await TryGetAsync(httpFactory, url, cancellationToken);
         if (
             doc is null
             || !doc.RootElement.TryGetProperty("episodes", out var episodes)
@@ -116,46 +117,6 @@ public sealed class TmdbMetadataProvider(
     private string? StillUrl(string? path) =>
         string.IsNullOrEmpty(path) ? null : $"{Tmdb.ImageBaseUrl}/{Tmdb.StillSize}{path}";
 
-    /// <summary>GET+parse; бросает при не-2xx/сетевой ошибке (для поиска — чтобы показать сбой).</summary>
-    private async Task<JsonDocument> GetJsonAsync(string url, CancellationToken cancellationToken)
-    {
-        var client = httpFactory.CreateClient("metadata");
-        using var response = await client.GetAsync(url, cancellationToken);
-        response.EnsureSuccessStatusCode();
-        var stream = await response.Content.ReadAsStreamAsync(cancellationToken);
-        return await JsonDocument.ParseAsync(stream, cancellationToken: cancellationToken);
-    }
-
-    /// <summary>Как GetJsonAsync, но глотает ошибки в null (для get/episode — деградируем мягко).</summary>
-    private async Task<JsonDocument?> TryGetJsonAsync(
-        string url,
-        CancellationToken cancellationToken
-    )
-    {
-        try
-        {
-            return await GetJsonAsync(url, cancellationToken);
-        }
-        catch (Exception ex)
-            when (ex is HttpRequestException or JsonException or TaskCanceledException)
-        {
-            return null;
-        }
-    }
-
-    private static string? GetString(JsonElement el, string name) =>
-        el.TryGetProperty(name, out var v) && v.ValueKind == JsonValueKind.String
-            ? v.GetString()
-            : null;
-
-    private static int? GetInt(JsonElement el, string name) =>
-        el.TryGetProperty(name, out var v) && v.ValueKind == JsonValueKind.Number
-            ? v.GetInt32()
-            : null;
-
-    private static int? YearFrom(string? date) =>
-        date is { Length: >= 4 } && int.TryParse(date.AsSpan(0, 4), out var y) ? y : null;
-
     private static DateOnly? DateFrom(string? date) =>
         DateOnly.TryParse(date, CultureInfo.InvariantCulture, out var d) ? d : null;
 }

backend/src/TeleWave.Infrastructure/Migrations/20260725202904_BumperAssetRenderContext.cs

@@ -16,37 +16,34 @@ namespace TeleWave.Infrastructure.Migrations
                 table: "BumperAssets",
                 type: "uuid",
                 nullable: false,
-                defaultValue: new Guid("00000000-0000-0000-0000-000000000000"));
+                defaultValue: new Guid("00000000-0000-0000-0000-000000000000")
+            );
 
             migrationBuilder.AddColumn<Guid>(
                 name: "TemplateId",
                 table: "BumperAssets",
                 type: "uuid",
                 nullable: false,
-                defaultValue: new Guid("00000000-0000-0000-0000-000000000000"));
+                defaultValue: new Guid("00000000-0000-0000-0000-000000000000")
+            );
 
             migrationBuilder.AddColumn<Guid>(
                 name: "VariantId",
                 table: "BumperAssets",
                 type: "uuid",
                 nullable: false,
-                defaultValue: new Guid("00000000-0000-0000-0000-000000000000"));
+                defaultValue: new Guid("00000000-0000-0000-0000-000000000000")
+            );
         }
 
         /// <inheritdoc />
         protected override void Down(MigrationBuilder migrationBuilder)
         {
-            migrationBuilder.DropColumn(
-                name: "ChannelId",
-                table: "BumperAssets");
+            migrationBuilder.DropColumn(name: "ChannelId", table: "BumperAssets");
 
-            migrationBuilder.DropColumn(
-                name: "TemplateId",
-                table: "BumperAssets");
+            migrationBuilder.DropColumn(name: "TemplateId", table: "BumperAssets");
 
-            migrationBuilder.DropColumn(
-                name: "VariantId",
-                table: "BumperAssets");
+            migrationBuilder.DropColumn(name: "VariantId", table: "BumperAssets");
         }
     }
 }

backend/src/TeleWave.Infrastructure/Migrations/20260725210453_MediaProcessingTiming.cs

@@ -15,25 +15,23 @@ namespace TeleWave.Infrastructure.Migrations
                 name: "ProcessingDuration",
                 table: "MediaAssets",
                 type: "interval",
-                nullable: true);
+                nullable: true
+            );
 
             migrationBuilder.AddColumn<DateTimeOffset>(
                 name: "ProcessingStartedAt",
                 table: "MediaAssets",
                 type: "timestamp with time zone",
-                nullable: true);
+                nullable: true
+            );
         }
 
         /// <inheritdoc />
         protected override void Down(MigrationBuilder migrationBuilder)
         {
-            migrationBuilder.DropColumn(
-                name: "ProcessingDuration",
-                table: "MediaAssets");
+            migrationBuilder.DropColumn(name: "ProcessingDuration", table: "MediaAssets");
 
-            migrationBuilder.DropColumn(
-                name: "ProcessingStartedAt",
-                table: "MediaAssets");
+            migrationBuilder.DropColumn(name: "ProcessingStartedAt", table: "MediaAssets");
         }
     }
 }

backend/src/TeleWave.Infrastructure/Migrations/20260725225737_ShowAudience.cs

@@ -15,15 +15,14 @@ namespace TeleWave.Infrastructure.Migrations
                 table: "Shows",
                 type: "integer",
                 nullable: false,
-                defaultValue: 0);
+                defaultValue: 0
+            );
         }
 
         /// <inheritdoc />
         protected override void Down(MigrationBuilder migrationBuilder)
         {
-            migrationBuilder.DropColumn(
-                name: "Audience",
-                table: "Shows");
+            migrationBuilder.DropColumn(name: "Audience", table: "Shows");
         }
     }
 }

backend/src/TeleWave.Infrastructure/Persistence/AppDbContext.cs

@@ -40,10 +40,7 @@ public class AppDbContext(DbContextOptions<AppDbContext> options)
         // Ключ — стабильный int64 из GUID канала; коллизии между каналами лишь сериализуют их генерацию,
         // корректности не нарушают.
         var key = BitConverter.ToInt64(channelId.ToByteArray());
-        return Database.ExecuteSqlAsync(
-            $"SELECT pg_advisory_xact_lock({key})",
-            cancellationToken
-        );
+        return Database.ExecuteSqlAsync($"SELECT pg_advisory_xact_lock({key})", cancellationToken);
     }
 
     protected override void OnModelCreating(ModelBuilder modelBuilder)

backend/src/TeleWave.Infrastructure/Persistence/MigrationExtensions.cs

@@ -1,6 +1,5 @@
 using Microsoft.EntityFrameworkCore;
 using Microsoft.Extensions.DependencyInjection;
-using TeleWave.Infrastructure.Media;
 
 namespace TeleWave.Infrastructure.Persistence;
 
@@ -16,99 +15,4 @@ public static class MigrationExtensions
         var dbContext = scope.ServiceProvider.GetRequiredService<AppDbContext>();
         await dbContext.Database.MigrateAsync(cancellationToken);
     }
-
-    /// <summary>
-    /// Идемпотентно переносит файлы постеров шоу, мигрированных в реестр изображений, из старого
-    /// расположения metadata/shows/{showId}/poster{ext} в images/{imageId}{ext}. Безопасно к повторным
-    /// запускам (пропускает, если целевой файл уже на месте).
-    /// </summary>
-    public static async Task RelocateLegacyImagesAsync(
-        this IServiceProvider services,
-        CancellationToken cancellationToken = default
-    )
-    {
-        await using var scope = services.CreateAsyncScope();
-        var dbContext = scope.ServiceProvider.GetRequiredService<AppDbContext>();
-        var paths = scope.ServiceProvider.GetRequiredService<MediaPathResolver>();
-
-        Directory.CreateDirectory(paths.ImagesDir);
-
-        // Постеры шоу: metadata/shows/{showId}/poster{ext} → images/{imageId}{ext}.
-        var posters = await dbContext
-            .Shows.AsNoTracking()
-            .Where(s => s.PosterImageId != null)
-            .Join(
-                dbContext.Images,
-                s => s.PosterImageId,
-                i => i.Id,
-                (s, i) =>
-                    new
-                    {
-                        EntityId = s.Id,
-                        ImageId = i.Id,
-                        i.FileExtension,
-                    }
-            )
-            .ToListAsync(cancellationToken);
-        foreach (var p in posters)
-            Relocate(
-                paths.ImagePath(p.ImageId, p.FileExtension),
-                paths.MetadataShowPosterPath(p.EntityId, p.FileExtension)
-            );
-
-        // Кадры серий: metadata/episodes/{episodeId}/still{ext} → images/{imageId}{ext}.
-        var stills = await dbContext
-            .Shows.AsNoTracking()
-            .SelectMany(s => s.Episodes)
-            .Where(e => e.StillImageId != null)
-            .Join(
-                dbContext.Images,
-                e => e.StillImageId,
-                i => i.Id,
-                (e, i) =>
-                    new
-                    {
-                        EntityId = e.Id,
-                        ImageId = i.Id,
-                        i.FileExtension,
-                    }
-            )
-            .ToListAsync(cancellationToken);
-        foreach (var s in stills)
-            Relocate(
-                paths.ImagePath(s.ImageId, s.FileExtension),
-                paths.MetadataEpisodeStillPath(s.EntityId, s.FileExtension)
-            );
-
-        // Фоны блоков заставок: bumpers/{templateId}/background{ext} → images/{imageId}{ext}.
-        var backgrounds = await dbContext
-            .Channels.AsNoTracking()
-            .SelectMany(c => c.BumperTemplates)
-            .Where(t => t.BackgroundImageId != null)
-            .Join(
-                dbContext.Images,
-                t => t.BackgroundImageId,
-                i => i.Id,
-                (t, i) =>
-                    new
-                    {
-                        EntityId = t.Id,
-                        ImageId = i.Id,
-                        i.FileExtension,
-                    }
-            )
-            .ToListAsync(cancellationToken);
-        foreach (var b in backgrounds)
-            Relocate(
-                paths.ImagePath(b.ImageId, b.FileExtension),
-                paths.BumperTemplateFilePath(b.EntityId, "background", b.FileExtension)
-            );
-
-        static void Relocate(string target, string legacy)
-        {
-            if (File.Exists(target) || !File.Exists(legacy))
-                return;
-            File.Move(legacy, target);
-        }
-    }
 }

backend/src/TeleWave.Infrastructure/Settings/SiteSettings.cs

@@ -14,14 +14,20 @@ public sealed class SiteSettings(IAppDbContext dbContext) : ISiteSettings
 
     public async Task SetRegistrationEnabledAsync(bool enabled, CancellationToken cancellationToken)
     {
-        await UpsertAsync(SettingKeys.RegistrationEnabled, enabled ? "true" : "false", cancellationToken);
+        await UpsertAsync(
+            SettingKeys.RegistrationEnabled,
+            enabled ? "true" : "false",
+            cancellationToken
+        );
     }
 
     public Task<string> GetPreferredAudioLanguagesAsync(CancellationToken cancellationToken) =>
         dbContext.GetStringSettingAsync(SettingKeys.PreferredAudioLanguages, "", cancellationToken);
 
-    public Task SetPreferredAudioLanguagesAsync(string value, CancellationToken cancellationToken) =>
-        UpsertAsync(SettingKeys.PreferredAudioLanguages, value, cancellationToken);
+    public Task SetPreferredAudioLanguagesAsync(
+        string value,
+        CancellationToken cancellationToken
+    ) => UpsertAsync(SettingKeys.PreferredAudioLanguages, value, cancellationToken);
 
     private async Task UpsertAsync(string key, string value, CancellationToken cancellationToken)
     {