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fullenifulleni
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Merge pull request #16 from headlines-toolkit/feature_create_source_within_content_management
Feature_create_source_within_content_management
2 parents 27e4d58 + bd68c4d commit 6db818d

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-4
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10 files changed

+555
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‎lib/content_management/bloc/create_source/create_source_bloc.dart

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import 'package:bloc/bloc.dart';
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import 'package:equatable/equatable.dart';
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import 'package:flutter/foundation.dart';
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import 'package:ht_data_repository/ht_data_repository.dart';
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import 'package:ht_shared/ht_shared.dart';
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part 'create_source_event.dart';
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part 'create_source_state.dart';
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/// A BLoC to manage the state of creating a new source.
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class CreateSourceBloc extends Bloc<CreateSourceEvent, CreateSourceState> {
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/// {@macro create_source_bloc}
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CreateSourceBloc({
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required HtDataRepository<Source> sourcesRepository,
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required HtDataRepository<Country> countriesRepository,
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}) : _sourcesRepository = sourcesRepository,
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_countriesRepository = countriesRepository,
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super(const CreateSourceState()) {
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on<CreateSourceDataLoaded>(_onDataLoaded);
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on<CreateSourceNameChanged>(_onNameChanged);
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on<CreateSourceDescriptionChanged>(_onDescriptionChanged);
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on<CreateSourceUrlChanged>(_onUrlChanged);
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on<CreateSourceTypeChanged>(_onSourceTypeChanged);
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on<CreateSourceLanguageChanged>(_onLanguageChanged);
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on<CreateSourceHeadquartersChanged>(_onHeadquartersChanged);
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on<CreateSourceSubmitted>(_onSubmitted);
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}
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final HtDataRepository<Source> _sourcesRepository;
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final HtDataRepository<Country> _countriesRepository;
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Future<void> _onDataLoaded(
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CreateSourceDataLoaded event,
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Emitter<CreateSourceState> emit,
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) async {
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emit(state.copyWith(status: CreateSourceStatus.loading));
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try {
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final countriesResponse = await _countriesRepository.readAll();
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final countries = (countriesResponse as PaginatedResponse<Country>).items;
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emit(
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state.copyWith(
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status: CreateSourceStatus.initial,
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countries: countries,
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),
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);
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} on HtHttpException catch (e) {
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emit(
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state.copyWith(
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status: CreateSourceStatus.failure,
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errorMessage: e.message,
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),
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);
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} catch (e) {
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emit(
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state.copyWith(
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status: CreateSourceStatus.failure,
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errorMessage: e.toString(),
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),
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);
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}
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}
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void _onNameChanged(
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CreateSourceNameChanged event,
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Emitter<CreateSourceState> emit,
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) {
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emit(state.copyWith(name: event.name));
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}
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void _onDescriptionChanged(
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CreateSourceDescriptionChanged event,
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Emitter<CreateSourceState> emit,
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) {
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emit(state.copyWith(description: event.description));
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}
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void _onUrlChanged(
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CreateSourceUrlChanged event,
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Emitter<CreateSourceState> emit,
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) {
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emit(state.copyWith(url: event.url));
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}
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void _onSourceTypeChanged(
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CreateSourceTypeChanged event,
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Emitter<CreateSourceState> emit,
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) {
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emit(state.copyWith(sourceType: () => event.sourceType));
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}
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void _onLanguageChanged(
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CreateSourceLanguageChanged event,
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Emitter<CreateSourceState> emit,
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) {
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emit(state.copyWith(language: event.language));
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}
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void _onHeadquartersChanged(
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CreateSourceHeadquartersChanged event,
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Emitter<CreateSourceState> emit,
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) {
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emit(state.copyWith(headquarters: () => event.headquarters));
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}
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Future<void> _onSubmitted(
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CreateSourceSubmitted event,
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Emitter<CreateSourceState> emit,
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) async {
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if (!state.isFormValid) return;
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emit(state.copyWith(status: CreateSourceStatus.submitting));
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try {
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final newSource = Source(
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name: state.name,
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description: state.description.isNotEmpty ? state.description : null,
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url: state.url.isNotEmpty ? state.url : null,
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sourceType: state.sourceType,
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language: state.language.isNotEmpty ? state.language : null,
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headquarters: state.headquarters,
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);
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await _sourcesRepository.create(item: newSource);
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emit(state.copyWith(status: CreateSourceStatus.success));
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} on HtHttpException catch (e) {
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emit(
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state.copyWith(
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status: CreateSourceStatus.failure,
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errorMessage: e.message,
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),
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);
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} catch (e) {
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emit(
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state.copyWith(
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status: CreateSourceStatus.failure,
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errorMessage: e.toString(),
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),
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);
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}
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}
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}

‎lib/content_management/bloc/create_source/create_source_event.dart

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part of 'create_source_bloc.dart';
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/// Base class for all events related to the [CreateSourceBloc].
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sealed class CreateSourceEvent extends Equatable {
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const CreateSourceEvent();
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@override
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List<Object?> get props => [];
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}
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/// Event to signal that the data for dropdowns should be loaded.
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final class CreateSourceDataLoaded extends CreateSourceEvent {
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const CreateSourceDataLoaded();
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}
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/// Event for when the source's name is changed.
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final class CreateSourceNameChanged extends CreateSourceEvent {
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const CreateSourceNameChanged(this.name);
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final String name;
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@override
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List<Object> get props => [name];
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}
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/// Event for when the source's description is changed.
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final class CreateSourceDescriptionChanged extends CreateSourceEvent {
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const CreateSourceDescriptionChanged(this.description);
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final String description;
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@override
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List<Object> get props => [description];
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}
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/// Event for when the source's URL is changed.
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final class CreateSourceUrlChanged extends CreateSourceEvent {
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const CreateSourceUrlChanged(this.url);
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final String url;
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@override
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List<Object> get props => [url];
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}
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/// Event for when the source's type is changed.
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final class CreateSourceTypeChanged extends CreateSourceEvent {
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const CreateSourceTypeChanged(this.sourceType);
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final SourceType? sourceType;
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@override
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List<Object?> get props => [sourceType];
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}
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/// Event for when the source's language is changed.
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final class CreateSourceLanguageChanged extends CreateSourceEvent {
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const CreateSourceLanguageChanged(this.language);
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final String language;
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@override
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List<Object> get props => [language];
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}
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/// Event for when the source's headquarters is changed.
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final class CreateSourceHeadquartersChanged extends CreateSourceEvent {
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const CreateSourceHeadquartersChanged(this.headquarters);
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final Country? headquarters;
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@override
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List<Object?> get props => [headquarters];
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}
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/// Event to signal that the form should be submitted.
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final class CreateSourceSubmitted extends CreateSourceEvent {
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const CreateSourceSubmitted();
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}

‎lib/content_management/bloc/create_source/create_source_state.dart

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part of 'create_source_bloc.dart';
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/// Represents the status of the create source operation.
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enum CreateSourceStatus {
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/// Initial state, before any data is loaded.
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initial,
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/// Data is being loaded.
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loading,
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/// An operation completed successfully.
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success,
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/// An error occurred.
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failure,
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/// The form is being submitted.
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submitting,
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}
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/// The state for the [CreateSourceBloc].
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final class CreateSourceState extends Equatable {
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/// {@macro create_source_state}
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const CreateSourceState({
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this.status = CreateSourceStatus.initial,
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this.name = '',
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this.description = '',
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this.url = '',
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this.sourceType,
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this.language = '',
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this.headquarters,
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this.countries = const [],
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this.errorMessage,
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});
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final CreateSourceStatus status;
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final String name;
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final String description;
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final String url;
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final SourceType? sourceType;
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final String language;
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final Country? headquarters;
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final List<Country> countries;
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final String? errorMessage;
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/// Returns true if the form is valid and can be submitted.
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bool get isFormValid => name.isNotEmpty;
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CreateSourceState copyWith({
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CreateSourceStatus? status,
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String? name,
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String? description,
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String? url,
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ValueGetter<SourceType?>? sourceType,
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String? language,
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ValueGetter<Country?>? headquarters,
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List<Country>? countries,
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String? errorMessage,
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}) {
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return CreateSourceState(
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status: status ?? this.status,
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name: name ?? this.name,
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description: description ?? this.description,
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url: url ?? this.url,
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sourceType: sourceType != null ? sourceType() : this.sourceType,
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language: language ?? this.language,
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headquarters: headquarters != null ? headquarters() : this.headquarters,
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countries: countries ?? this.countries,
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errorMessage: errorMessage,
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);
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}
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@override
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List<Object?> get props => [
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status,
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name,
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description,
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url,
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sourceType,
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language,
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headquarters,
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countries,
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errorMessage,
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];
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}

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