129 lines
4.0 KiB
Dart
129 lines
4.0 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:stacked/stacked.dart';
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import '../../../models/course_detail.dart';
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import '../../../models/subcategory.dart';
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import '../../common/app_colors.dart';
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import '../../common/enmus.dart';
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import '../../common/ui_helpers.dart';
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import '../../widgets/course_tile.dart';
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import '../../widgets/custom_circular_progress_indicator.dart';
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import '../../widgets/small_app_bar.dart';
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import 'course_viewmodel.dart';
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class CourseView extends StackedView<CourseViewModel> {
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final Subcategory subcategory;
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const CourseView({Key? key, required this.subcategory}) : super(key: key);
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@override
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void onViewModelReady(CourseViewModel viewModel) async {
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await viewModel.getCourseDetails(subcategory.id ?? 0);
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super.onViewModelReady(viewModel);
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}
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@override
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CourseViewModel viewModelBuilder(BuildContext context) => CourseViewModel();
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@override
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Widget builder(
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BuildContext context,
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CourseViewModel viewModel,
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Widget? child,
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) =>
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_buildScaffoldWrapper(viewModel);
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Widget _buildScaffoldWrapper(CourseViewModel viewModel) => Scaffold(
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backgroundColor: kcBackgroundColor,
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body: _buildScaffold(viewModel),
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);
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Widget _buildScaffold(CourseViewModel viewModel) =>
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SafeArea(child: _buildBody(viewModel));
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Widget _buildBody(CourseViewModel viewModel) => Padding(
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padding: const EdgeInsets.symmetric(horizontal: 15),
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child: _buildColumn(viewModel),
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);
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Widget _buildColumn(CourseViewModel viewModel) => Column(
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children: [
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verticalSpaceMedium,
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_buildAppBar(viewModel),
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verticalSpaceMedium,
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_buildCoursesColumnWrapper(viewModel),
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],
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);
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Widget _buildAppBar(CourseViewModel viewModel) => SmallAppBar(
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onPop: viewModel.pop,
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showBackButton: true,
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);
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Widget _buildCoursesColumnWrapper(CourseViewModel viewModel) =>
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Expanded(child: _buildCoursesColumnScrollView(viewModel));
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Widget _buildCoursesColumnScrollView(CourseViewModel viewModel) =>
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SingleChildScrollView(
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child: _buildCoursesColumn(viewModel),
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);
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Widget _buildCoursesColumn(CourseViewModel viewModel) => Column(
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mainAxisSize: MainAxisSize.min,
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crossAxisAlignment: CrossAxisAlignment.start,
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children: _buildCoursesColumnChildren(viewModel),
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);
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List<Widget> _buildCoursesColumnChildren(CourseViewModel viewModel) => [
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verticalSpaceMedium,
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_buildTitle(),
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_buildSubtitle(),
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verticalSpaceMedium,
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_buildListViewBuilder(viewModel)
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];
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Widget _buildTitle() => Text(
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'${subcategory.name ?? ''} courses',
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style: style18DG700,
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);
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Widget _buildSubtitle() => Text(
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'Explore variety of courses on ${subcategory.name ?? ''}.',
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style: style14DG400,
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);
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Widget _buildListViewBuilder(CourseViewModel viewModel) =>
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viewModel.busy(StateObjects.courses)
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? _buildProgressIndicator()
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: _buildListView(viewModel);
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Widget _buildProgressIndicator() => const Center(
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child: CustomCircularProgressIndicator(color: kcPrimaryColor),
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);
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Widget _buildListView(CourseViewModel viewModel) => ListView.separated(
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shrinkWrap: true,
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itemCount: viewModel.courseDetail.length,
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physics: const NeverScrollableScrollPhysics(),
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separatorBuilder: (context, index) => verticalSpaceSmall,
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itemBuilder: (context, index) => _buildTile(
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courseDetail: viewModel.courseDetail[index],
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onCourseTap: () async => await viewModel
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.navigateToCoursePayment(viewModel.courseDetail[index].course!),
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onPracticeTap: () async => await viewModel.navigateToCoursePractice(
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viewModel.courseDetail[index].course?.id ?? 0),
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),
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);
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Widget _buildTile({
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GestureTapCallback? onCourseTap,
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GestureTapCallback? onPracticeTap,
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required CourseDetail courseDetail,
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}) =>
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CourseTile(
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onCourseTap: onCourseTap,
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courseDetail: courseDetail,
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onPracticeTap: onPracticeTap,
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);
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}
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