oc-front/lib/pages/catalog.dart

import 'package:flutter/material.dart';
import 'package:go_router/go_router.dart';
import 'package:oc_front/core/sections/header/header.dart';
import 'package:oc_front/models/search.dart';
import 'package:oc_front/widgets/catalog.dart';
import 'package:oc_front/pages/abstract_page.dart';
import 'package:oc_front/core/sections/header/search.dart';
import 'package:oc_front/core/services/specialized_services/search_service.dart';

class CatalogFactory implements AbstractFactory {
  static List<AbstractItem> items = [];
  static GlobalKey<CatalogPageWidgetState> key = GlobalKey<CatalogPageWidgetState>();
  @override bool searchFill() {  return CatalogFactory.items.isEmpty; }
  @override Widget factory(GoRouterState state, List<String> args) { return CatalogPageWidget(); }
  @override void search(BuildContext context) {
    CatalogFactory.key.currentState?.widget.search.get(context, SearchConstants.get()!).then((value) {
      if (value.data == null) { return; }
      CatalogFactory.items = [
        ...value.data!.computing, ...value.data!.data, ...value.data!.storage, ...value.data!.datacenter,];
      searchWidgetKey.currentState?.setState(() {});
      CatalogFactory.key.currentState?.setState(() {});
    });
  }
}

class CatalogPageWidget extends StatefulWidget {
  final SearchService search = SearchService();
  CatalogPageWidget (): super(key: CatalogFactory.key);
  @override CatalogPageWidgetState createState() => CatalogPageWidgetState();
}
class CatalogPageWidgetState extends State<CatalogPageWidget> {  
  @override Widget build(BuildContext context) {
    return Column( children : [
        SizedBox( 
        width: MediaQuery.of(context).size.width,
          height: CatalogFactory.items.isEmpty ? 0 :  MediaQuery.of(context).size.height - HeaderConstants.height,
        child: CatalogWidget(items: CatalogFactory.items) )
      ]
    );
  }
}