flutter-freaccess-hub/lib/features/documents/document_page_model.dart

part of 'index.dart';

class DocumentPageModel extends FlutterFlowModel<DocumentPage> {
  DocumentPageModel._privateConstructor();

  static final DocumentPageModel _instance =
      DocumentPageModel._privateConstructor();

  factory DocumentPageModel() {
    return _instance;
  }

  late EnhancedListViewKey<Document, Category, Null> vihicleScreenManager;
  late DocumentKey vehicleScreenViewer;
  late PagingController<int, Document> _pagingController;

  /// ------------

  @override
  void initState(BuildContext context) {
    vihicleScreenManager = EnhancedListViewKey<Document, Category, Null>();
    vehicleScreenViewer = DocumentKey();

    _pagingController = PagingController<int, Document>(firstPageKey: 1);
  }

  @override
  void dispose() {
    _pagingController.dispose();
    vihicleScreenManager.currentState?.dispose();
    vehicleScreenViewer.currentState?.dispose();
  }

  /// ------------

  /// [onView]
  void onView(Document document, BuildContext context) async {
    context.read<DocumentPageBloc>().add(SelectDocumentEvent(document));
  }

  /// [itemBodyBuilder]
  DocumentItem itemBodyBuilder<T extends Document>(
      BuildContext context, T item, int index) {
    print('ItemBuilder -> $index');
    return DocumentItem(
      document: item,
      onPressed: onView,
    );
  }

  CategoryItem categoryItemBuilder<T>(T? item) {
    return CategoryItem(category: item! as Category);
  }

  /// [itemHeaderBuilder]
  Widget itemHeaderBuilder<T>(Future<List<T?>> Function() gen) =>
      Builder(builder: (context) {
        return Column(
          mainAxisSize: MainAxisSize.max,
          crossAxisAlignment: CrossAxisAlignment.start,
          mainAxisAlignment: MainAxisAlignment.start,
          children: [
            Padding(
              padding: const EdgeInsets.fromLTRB(15, 0, 50, 0),
              child: Text(
                FFLocalizations.of(context).getVariableText(
                    enText: 'Recent Documents', ptText: 'Últimos Documentos'),
                style: TextStyle(
                  color: FlutterFlowTheme.of(context).primaryText,
                  fontSize: LimitedFontSizeUtil.getHeaderFontSize(context),
                ),
              ),
            ),
            EnhancedCarouselView<T>(
              generateItems: gen,
              itemBuilder: categoryItemBuilder,
              filter: filter<T>,
            ),
          ],
        );
      });

  /// [generateBodyItems]
  Future<List<T?>> generateBodyItems<T>(
      int pageKey, int pageSize, dynamic query) async {
    log('generateDocuments: $query');

    final List<T?> error = [null];
    print('Query: ${query is Document}');
    final GetDocuments getDocuments = FreAccessWSGlobal.getDocuments;
    final ApiCallResponse newItems = await getDocuments.call(pageKey, query);

    if (newItems.jsonBody == null) return error;
    if (newItems.jsonBody['error'] == true) return error;

    final List<dynamic> list = newItems.jsonBody['value']['list'];

    late final List<Document> docs = [];

    for (var item in list) {
      log('-> generateDocuments: $item');
      final String description = item['description'];
      final String type = item['type'];
      final String category = item['category']['description'];
      final String color = item['category']['color'];
      final String person = item['person'] ?? '';
      final String property = item['property'] ?? '';
      final String createdAt = item['createdAt'];
      final String updatedAt = item['updatedAt'];
      final int categoryId = item['category']['id'];
      final int documentId = item['id'];

      final doc = Document(
        id: documentId,
        description: description,
        type: type,
        category: Category(
          id: categoryId,
          color: color.toColor(),
          title: category,
        ),
        person: person,
        property: property,
        createdAt: createdAt,
        updatedAt: updatedAt,
      );

      docs.add(doc);
    }

    return docs as List<T?>;
  }

  /// [generateHeaderItems]
  Future<List<T?>> generateHeaderItems<T>() async {
    log('generateCategories: ');
    final List<T?> error = [null];

    final GetCategories getCategories = FreAccessWSGlobal.getCategories;
    final ApiCallResponse newItems = await getCategories.call();

    if (newItems.jsonBody['error'] == true) return error;
    if (newItems.jsonBody == null) return error;
    final list = newItems.jsonBody['value'] as List<dynamic>;
    late final List<Category> cats = [];
    for (var item in list) {
      final String color = item['color'];
      final String title = item['description'];
      final int id = item['id'];

      final cat = Category(
        id: id,
        color: color.toColor(),
        title: title,
      );
      cats.add(cat);
    }
    log('cats: $cats');
    return cats as List<T?>;
  }

  /// [filter]
  void filter<T>(T query, BuildContext context) {
    context
        .read<DocumentPageBloc>()
        .add(FilterCategoryEvent(query as Archive?));
  }

  /// [onFetchError]
  void onFetchError(Object e, StackTrace s) {
    DialogUtil.errorDefault(vehicleScreenViewer.currentContext!);
    LogUtil.requestAPIFailed(
        "proccessRequest.php", "", "Consulta de Veículo", e, s);
  }
}