Server names and admin log full-text search (#6327)

Co-authored-by: Julian Giebel <j.giebel@netrocks.info>
Co-authored-by: Pieter-Jan Briers <pieterjan.briers+git@gmail.com>

Content.Server.Database/Migrations/Postgres/20220313151800_ServerNameFts.cs

@@ -0,0 +1,80 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+
+#nullable disable
+
+namespace Content.Server.Database.Migrations.Postgres
+{
+    public partial class ServerNameFts : Migration
+    {
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AddColumn<int>(
+                name: "server_id",
+                table: "round",
+                type: "integer",
+                nullable: false,
+                defaultValue: 0);
+
+            migrationBuilder.CreateTable(
+                name: "server",
+                columns: table => new
+                {
+                    server_id = table.Column<int>(type: "integer", nullable: false)
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    name = table.Column<string>(type: "text", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_server", x => x.server_id);
+                });
+
+            migrationBuilder.InsertData(
+                "server",
+                new[] {"server_id", "name"},
+                new object[] { 0, "unknown" }
+            );
+
+            migrationBuilder.CreateIndex(
+                name: "IX_round_server_id",
+                table: "round",
+                column: "server_id");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_admin_log_message",
+                table: "admin_log",
+                column: "message")
+                .Annotation("Npgsql:TsVectorConfig", "english");
+
+            migrationBuilder.AddForeignKey(
+                name: "FK_round_server_server_id",
+                table: "round",
+                column: "server_id",
+                principalTable: "server",
+                principalColumn: "server_id",
+                onDelete: ReferentialAction.Cascade);
+        }
+
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropForeignKey(
+                name: "FK_round_server_server_id",
+                table: "round");
+
+            migrationBuilder.DropTable(
+                name: "server");
+
+            migrationBuilder.DropIndex(
+                name: "IX_round_server_id",
+                table: "round");
+
+            migrationBuilder.DropIndex(
+                name: "IX_admin_log_message",
+                table: "admin_log");
+
+            migrationBuilder.DropColumn(
+                name: "server_id",
+                table: "round");
+        }
+    }
+}