Enhance channel and settings functionalities: introduce viewer settings in ChannelEndpoints, update SiteSettings to include channel number toggling, and refactor related data structures. Implement new endpoints for validating templates and diffing scheduling changes, improving overall user experience and configuration management.

backend/src/TeleWave.Infrastructure/DependencyInjection.cs

@@ -120,6 +120,7 @@ public static class DependencyInjection
         services.AddScoped<SlotWriter>();
         services.AddScoped<GroupExpander>();
         services.AddScoped<BumperResolver>();
+        services.AddScoped<PostCheckRunner>();
         services.AddScoped<GridScheduleGenerator>();
 
         AddMedia(services, configuration);

backend/src/TeleWave.Infrastructure/Migrations/20260726114417_ChannelViewerSettings.cs

@@ -0,0 +1,73 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace TeleWave.Infrastructure.Migrations
+{
+    /// <inheritdoc />
+    public partial class ChannelViewerSettings : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AddColumn<double>(
+                name: "AnalogFilterStrength",
+                table: "Channels",
+                type: "double precision",
+                nullable: false,
+                defaultValue: 0.0);
+
+            migrationBuilder.AddColumn<int>(
+                name: "LogoCorner",
+                table: "Channels",
+                type: "integer",
+                nullable: false,
+                defaultValue: 0);
+
+            migrationBuilder.AddColumn<Guid>(
+                name: "LogoImageId",
+                table: "Channels",
+                type: "uuid",
+                nullable: true);
+
+            migrationBuilder.AddColumn<double>(
+                name: "LogoOpacity",
+                table: "Channels",
+                type: "double precision",
+                nullable: false,
+                defaultValue: 0.0);
+
+            migrationBuilder.AddColumn<bool>(
+                name: "ShowClock",
+                table: "Channels",
+                type: "boolean",
+                nullable: false,
+                defaultValue: false);
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropColumn(
+                name: "AnalogFilterStrength",
+                table: "Channels");
+
+            migrationBuilder.DropColumn(
+                name: "LogoCorner",
+                table: "Channels");
+
+            migrationBuilder.DropColumn(
+                name: "LogoImageId",
+                table: "Channels");
+
+            migrationBuilder.DropColumn(
+                name: "LogoOpacity",
+                table: "Channels");
+
+            migrationBuilder.DropColumn(
+                name: "ShowClock",
+                table: "Channels");
+        }
+    }
+}

backend/src/TeleWave.Infrastructure/Migrations/AppDbContextModelSnapshot.cs

@@ -318,6 +318,9 @@ namespace TeleWave.Infrastructure.Migrations
                     b.Property<Guid>("Id")
                         .HasColumnType("uuid");
 
+                    b.Property<double>("AnalogFilterStrength")
+                        .HasColumnType("double precision");
+
                     b.Property<int>("BumperFont")
                         .HasColumnType("integer");
 
@@ -342,6 +345,15 @@ namespace TeleWave.Infrastructure.Migrations
                     b.Property<bool>("IsEnabled")
                         .HasColumnType("boolean");
 
+                    b.Property<int>("LogoCorner")
+                        .HasColumnType("integer");
+
+                    b.Property<Guid?>("LogoImageId")
+                        .HasColumnType("uuid");
+
+                    b.Property<double>("LogoOpacity")
+                        .HasColumnType("double precision");
+
                     b.Property<string>("Name")
                         .IsRequired()
                         .HasMaxLength(256)
@@ -350,6 +362,9 @@ namespace TeleWave.Infrastructure.Migrations
                     b.Property<int?>("Number")
                         .HasColumnType("integer");
 
+                    b.Property<bool>("ShowClock")
+                        .HasColumnType("boolean");
+
                     b.Property<string>("Slug")
                         .IsRequired()
                         .HasMaxLength(128)

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

@@ -1,43 +1,49 @@
-using Microsoft.EntityFrameworkCore;
-using TeleWave.Application.Common.Interfaces;
-using TeleWave.Application.Settings;
-using TeleWave.Domain.Settings;
-
-namespace TeleWave.Infrastructure.Settings;
-
-/// <summary>Настройки сайта поверх key-value таблицы AppSetting. Запись не сохраняет сама —
-/// сохранение выполняет UnitOfWorkBehavior команды (используется общий scoped-контекст).</summary>
-public sealed class SiteSettings(IAppDbContext dbContext) : ISiteSettings
-{
-    public Task<bool> IsRegistrationEnabledAsync(CancellationToken cancellationToken) =>
-        dbContext.GetBoolSettingAsync(SettingKeys.RegistrationEnabled, false, cancellationToken);
-
-    public async Task SetRegistrationEnabledAsync(bool enabled, CancellationToken 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);
-
-    private async Task UpsertAsync(string key, string value, CancellationToken cancellationToken)
-    {
-        var existing = await dbContext.AppSettings.FirstOrDefaultAsync(
-            s => s.Key == key,
-            cancellationToken
-        );
-        if (existing is null)
-            dbContext.AppSettings.Add(AppSetting.Create(key, value));
-        else
-            existing.SetValue(value);
-    }
-}
+using Microsoft.EntityFrameworkCore;
+using TeleWave.Application.Common.Interfaces;
+using TeleWave.Application.Settings;
+using TeleWave.Domain.Settings;
+
+namespace TeleWave.Infrastructure.Settings;
+
+/// <summary>Настройки сайта поверх key-value таблицы AppSetting. Запись не сохраняет сама —
+/// сохранение выполняет UnitOfWorkBehavior команды (используется общий scoped-контекст).</summary>
+public sealed class SiteSettings(IAppDbContext dbContext) : ISiteSettings
+{
+    public Task<bool> IsRegistrationEnabledAsync(CancellationToken cancellationToken) =>
+        dbContext.GetBoolSettingAsync(SettingKeys.RegistrationEnabled, false, cancellationToken);
+
+    public async Task SetRegistrationEnabledAsync(bool enabled, CancellationToken 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<bool> AreChannelNumbersEnabledAsync(CancellationToken cancellationToken) =>
+        dbContext.GetBoolSettingAsync(SettingKeys.ChannelNumbersEnabled, false, cancellationToken);
+
+    public Task SetChannelNumbersEnabledAsync(bool enabled, CancellationToken cancellationToken) =>
+        UpsertAsync(SettingKeys.ChannelNumbersEnabled, enabled ? "true" : "false", cancellationToken);
+
+    private async Task UpsertAsync(string key, string value, CancellationToken cancellationToken)
+    {
+        var existing = await dbContext.AppSettings.FirstOrDefaultAsync(
+            s => s.Key == key,
+            cancellationToken
+        );
+        if (existing is null)
+            dbContext.AppSettings.Add(AppSetting.Create(key, value));
+        else
+            existing.SetValue(value);
+    }
+}