add migration to fix any incorrect channel sort numbers (#2701)

CHANGELOG.md

@@ -41,7 +41,6 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 - Fix bug with mirror channels where seemingly random content would be played every ~40 seconds
 - Fix chronological sorting for Other Videos that have release date metadata
 - Fix playout sorting after using channel number editor
-  - If your playouts are sorted incorrectly, use the channel number editor to fix (swap two channels, then swap them back)
 
 ### Changed
 - No longer round framerate to nearest integer when normalizing framerate

ErsatzTV.Infrastructure.MySql/Migrations/20251204011054_Fix_ChannelSortNumber.cs

@@ -0,0 +1,24 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace ErsatzTV.Infrastructure.MySql.Migrations
+{
+    /// <inheritdoc />
+    public partial class Fix_ChannelSortNumber : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.Sql(
+                @"UPDATE `Channel`
+                  SET `SortNumber` = CAST(`Number` AS DECIMAL(10,2))
+                  WHERE `Number` IS NOT NULL AND TRIM(`Number`) != ''");
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+        }
+    }
+}

ErsatzTV.Infrastructure.Sqlite/Migrations/20251204010944_Fix_ChannelSortNumber.cs

@@ -0,0 +1,24 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace ErsatzTV.Infrastructure.Sqlite.Migrations
+{
+    /// <inheritdoc />
+    public partial class Fix_ChannelSortNumber : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.Sql(
+                @"UPDATE `Channel`
+                  SET `SortNumber` = CAST(`Number` AS REAL)
+                  WHERE `Number` IS NOT NULL AND TRIM(`Number`) != ''");
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+        }
+    }
+}