fix media file path length for mysql (#2191)

CHANGELOG.md

@@ -163,6 +163,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 - Fix QSV frame freezing in browser
 - Fix some stream continuity issues, and some cases where audio sync is lost at transition
 - Fix HDR transcoding with AMD VAAPI accel
+- Allow paths longer than 255 characters in MySql databases
 
 ## [25.2.0] - 2025-06-24
 ### Added

ErsatzTV.Infrastructure.MySql/Migrations/20250723030616_Update_MediaFilePath.cs

@@ -0,0 +1,40 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace ErsatzTV.Infrastructure.MySql.Migrations
+{
+    /// <inheritdoc />
+    public partial class Update_MediaFilePath : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AlterColumn<string>(
+                name: "Path",
+                table: "MediaFile",
+                type: "longtext",
+                nullable: true,
+                oldClrType: typeof(string),
+                oldType: "varchar(255)",
+                oldNullable: true)
+                .Annotation("MySql:CharSet", "utf8mb4")
+                .OldAnnotation("MySql:CharSet", "utf8mb4");
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AlterColumn<string>(
+                name: "Path",
+                table: "MediaFile",
+                type: "varchar(255)",
+                nullable: true,
+                oldClrType: typeof(string),
+                oldType: "longtext",
+                oldNullable: true)
+                .Annotation("MySql:CharSet", "utf8mb4")
+                .OldAnnotation("MySql:CharSet", "utf8mb4");
+        }
+    }
+}

ErsatzTV.Infrastructure.MySql/Migrations/TvContextModelSnapshot.cs

@@ -1111,7 +1111,7 @@ namespace ErsatzTV.Infrastructure.MySql.Migrations
                         .HasColumnType("int");
 
                     b.Property<string>("Path")
-                        .HasColumnType("varchar(255)");
+                        .HasColumnType("longtext");
 
                     b.HasKey("Id");
 

ErsatzTV.Infrastructure/Data/TvContext.cs

@@ -119,6 +119,12 @@ public class TvContext : DbContext
     {
         base.OnModelCreating(modelBuilder);
 
+        // mysql-specific configuration
+        if ((Database.ProviderName ?? string.Empty).Contains("MySql", StringComparison.InvariantCultureIgnoreCase))
+        {
+            modelBuilder.Entity<MediaFile>().Property(mf => mf.Path).HasColumnType("longtext");
+        }
+
         modelBuilder.ApplyConfigurationsFromAssembly(typeof(TvContext).Assembly);
     }
 }