[backend/database] Normalize note text & user bio line endings

Iceshrimp.Backend/Core/Database/Migrations/v2024.1-beta5/20241214231301_NormalizeMfmLineEndings.cs

@@ -0,0 +1,30 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+
+#nullable disable
+
+namespace Iceshrimp.Backend.Core.Database.Migrations
+{
+    /// <inheritdoc />
+    [DbContext(typeof(DatabaseContext))]
+    [Migration("20241214231301_NormalizeMfmLineEndings")]
+    public partial class NormalizeMfmLineEndings : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+	        migrationBuilder.Sql("""
+	                             UPDATE "note" SET "text" = regexp_replace("text", '\r\n', '\n', 'g') WHERE "text" ~ '\r\n';
+	                             UPDATE "note" SET "text" = regexp_replace("text", '\r', '\n', 'g') WHERE "text" ~ '\r';
+	                             UPDATE "user_profile" SET "description" = regexp_replace("description", '\r\n', '\n', 'g') WHERE "description" ~ '\r\n';
+	                             UPDATE "user_profile" SET "description" = regexp_replace("description", '\r', '\n', 'g') WHERE "description" ~ '\r';
+	                             """);
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+
+        }
+    }
+}