use explicit ci collation for mysql

ErsatzTV.Infrastructure.MySql/Migrations/20251214002940_Fix_SmartCollectionNameSensitivity.cs

@@ -0,0 +1,56 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace ErsatzTV.Infrastructure.MySql.Migrations
+{
+    /// <inheritdoc />
+    public partial class Fix_SmartCollectionNameSensitivity : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.Sql(
+                @"
+    WITH Numbered AS (
+        SELECT
+            Id,
+            ROW_NUMBER() OVER (PARTITION BY LOWER(Name) ORDER BY Id) as RowNum
+        FROM SmartCollection
+    )
+    UPDATE SmartCollection sc
+    JOIN Numbered n ON sc.Id = n.Id
+    SET sc.Name = CONCAT(sc.Name, ' (', n.RowNum - 1, ')')
+    WHERE n.RowNum > 1;
+");
+
+            migrationBuilder.AlterColumn<string>(
+                name: "Name",
+                table: "SmartCollection",
+                type: "varchar(255)",
+                nullable: true,
+                collation: "utf8mb4_general_ci",
+                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: "Name",
+                table: "SmartCollection",
+                type: "varchar(255)",
+                nullable: true,
+                oldClrType: typeof(string),
+                oldType: "varchar(255)",
+                oldNullable: true,
+                oldCollation: "utf8mb4_general_ci")
+                .Annotation("MySql:CharSet", "utf8mb4")
+                .OldAnnotation("MySql:CharSet", "utf8mb4");
+        }
+    }
+}

ErsatzTV.Infrastructure.MySql/Migrations/TvContextModelSnapshot.cs

@@ -3235,7 +3235,8 @@ namespace ErsatzTV.Infrastructure.MySql.Migrations
                     MySqlPropertyBuilderExtensions.UseMySqlIdentityColumn(b.Property<int>("Id"));
 
                     b.Property<string>("Name")
-                        .HasColumnType("varchar(255)");
+                        .HasColumnType("varchar(255)")
+                        .UseCollation("utf8mb4_general_ci");
 
                     b.Property<string>("Query")
                         .HasColumnType("longtext");

ErsatzTV.Infrastructure/Data/TvContext.cs

@@ -130,6 +130,8 @@ public class TvContext : DbContext
         if ((Database.ProviderName ?? string.Empty).Contains("MySql", StringComparison.InvariantCultureIgnoreCase))
         {
             modelBuilder.Entity<MediaFile>().Property(mf => mf.Path).HasColumnType("longtext");
+
+            modelBuilder.Entity<SmartCollection>().Property(mc => mc.Name).UseCollation("utf8mb4_general_ci");
         }
 
         // sqlite-specific configuration