Merge pull request #18 from headlines-toolkit/refactor_add_content_lifecyle_management_for_the_content_management_feature

Refactor add content lifecyle management for the content management feature

Author: fulleni

lib/bloc_observer.dart

@@ -9,11 +9,13 @@ class AppBlocObserver extends BlocObserver {
   void onChange(BlocBase<dynamic> bloc, Change<dynamic> change) {
     super.onChange(bloc, change);
     log('onChange(${bloc.runtimeType}, $change)');
+    print('onChange(${bloc.runtimeType}, $change)');
   }
 
   @override
   void onError(BlocBase<dynamic> bloc, Object error, StackTrace stackTrace) {
     log('onError(${bloc.runtimeType}, $error, $stackTrace)');
+    print('onError(${bloc.runtimeType}, $error, $stackTrace)');
     super.onError(bloc, error, stackTrace);
   }
 }

lib/content_management/bloc/create_category/create_category_bloc.dart

@@ -17,6 +17,7 @@ class CreateCategoryBloc
     on<CreateCategoryNameChanged>(_onNameChanged);
     on<CreateCategoryDescriptionChanged>(_onDescriptionChanged);
     on<CreateCategoryIconUrlChanged>(_onIconUrlChanged);
+    on<CreateCategoryStatusChanged>(_onStatusChanged);
     on<CreateCategorySubmitted>(_onSubmitted);
   }
 
@@ -58,6 +59,18 @@ class CreateCategoryBloc
     );
   }
 
+  void _onStatusChanged(
+    CreateCategoryStatusChanged event,
+    Emitter<CreateCategoryState> emit,
+  ) {
+    emit(
+      state.copyWith(
+        contentStatus: event.status,
+        status: CreateCategoryStatus.initial,
+      ),
+    );
+  }
+
   Future<void> _onSubmitted(
     CreateCategorySubmitted event,
     Emitter<CreateCategoryState> emit,
@@ -70,6 +83,7 @@ class CreateCategoryBloc
         name: state.name,
         description: state.description.isNotEmpty ? state.description : null,
         iconUrl: state.iconUrl.isNotEmpty ? state.iconUrl : null,
+        status: state.contentStatus,
       );
 
       await _categoriesRepository.create(item: newCategory);

lib/content_management/bloc/create_category/create_category_event.dart

@@ -5,31 +5,40 @@ sealed class CreateCategoryEvent extends Equatable {
   const CreateCategoryEvent();
 
   @override
-  List<Object> get props => [];
+  List<Object?> get props => [];
 }
 
 /// Event for when the category's name is changed.
 final class CreateCategoryNameChanged extends CreateCategoryEvent {
   const CreateCategoryNameChanged(this.name);
   final String name;
   @override
-  List<Object> get props => [name];
+  List<Object?> get props => [name];
 }
 
 /// Event for when the category's description is changed.
 final class CreateCategoryDescriptionChanged extends CreateCategoryEvent {
   const CreateCategoryDescriptionChanged(this.description);
   final String description;
   @override
-  List<Object> get props => [description];
+  List<Object?> get props => [description];
 }
 
 /// Event for when the category's icon URL is changed.
 final class CreateCategoryIconUrlChanged extends CreateCategoryEvent {
   const CreateCategoryIconUrlChanged(this.iconUrl);
   final String iconUrl;
   @override
-  List<Object> get props => [iconUrl];
+  List<Object?> get props => [iconUrl];
+}
+
+/// Event for when the category's status is changed.
+final class CreateCategoryStatusChanged extends CreateCategoryEvent {
+  const CreateCategoryStatusChanged(this.status);
+
+  final ContentStatus status;
+  @override
+  List<Object?> get props => [status];
 }
 
 /// Event to signal that the form should be submitted.

lib/content_management/bloc/create_category/create_category_state.dart

@@ -23,13 +23,15 @@ final class CreateCategoryState extends Equatable {
     this.name = '',
     this.description = '',
     this.iconUrl = '',
+    this.contentStatus = ContentStatus.active,
     this.errorMessage,
   });
 
   final CreateCategoryStatus status;
   final String name;
   final String description;
   final String iconUrl;
+  final ContentStatus contentStatus;
   final String? errorMessage;
 
   /// Returns true if the form is valid and can be submitted.
@@ -41,17 +43,26 @@ final class CreateCategoryState extends Equatable {
     String? name,
     String? description,
     String? iconUrl,
+    ContentStatus? contentStatus,
     String? errorMessage,
   }) {
     return CreateCategoryState(
       status: status ?? this.status,
       name: name ?? this.name,
       description: description ?? this.description,
       iconUrl: iconUrl ?? this.iconUrl,
+      contentStatus: contentStatus ?? this.contentStatus,
       errorMessage: errorMessage,
     );
   }
 
   @override
-  List<Object?> get props => [status, name, description, iconUrl, errorMessage];
+  List<Object?> get props => [
+    status,
+    name,
+    description,
+    iconUrl,
+    contentStatus,
+    errorMessage,
+  ];
 }

lib/content_management/bloc/create_headline/create_headline_bloc.dart

@@ -26,6 +26,7 @@ class CreateHeadlineBloc
     on<CreateHeadlineImageUrlChanged>(_onImageUrlChanged);
     on<CreateHeadlineSourceChanged>(_onSourceChanged);
     on<CreateHeadlineCategoryChanged>(_onCategoryChanged);
+    on<CreateHeadlineStatusChanged>(_onStatusChanged);
     on<CreateHeadlineSubmitted>(_onSubmitted);
   }
 
@@ -114,6 +115,18 @@ class CreateHeadlineBloc
     emit(state.copyWith(category: () => event.category));
   }
 
+  void _onStatusChanged(
+    CreateHeadlineStatusChanged event,
+    Emitter<CreateHeadlineState> emit,
+  ) {
+    emit(
+      state.copyWith(
+        contentStatus: event.status,
+        status: CreateHeadlineStatus.initial,
+      ),
+    );
+  }
+
   Future<void> _onSubmitted(
     CreateHeadlineSubmitted event,
     Emitter<CreateHeadlineState> emit,
@@ -129,6 +142,7 @@ class CreateHeadlineBloc
         imageUrl: state.imageUrl.isNotEmpty ? state.imageUrl : null,
         source: state.source,
         category: state.category,
+        status: state.contentStatus,
       );
 
       await _headlinesRepository.create(item: newHeadline);

lib/content_management/bloc/create_headline/create_headline_event.dart

@@ -1,68 +1,77 @@
 part of 'create_headline_bloc.dart';
 
 /// Base class for all events related to the [CreateHeadlineBloc].
-abstract class CreateHeadlineEvent extends Equatable {
+sealed class CreateHeadlineEvent extends Equatable {
   const CreateHeadlineEvent();
 
   @override
   List<Object?> get props => [];
 }
 
 /// Event to signal that the data for dropdowns should be loaded.
-class CreateHeadlineDataLoaded extends CreateHeadlineEvent {
+final class CreateHeadlineDataLoaded extends CreateHeadlineEvent {
   const CreateHeadlineDataLoaded();
 }
 
 /// Event for when the headline's title is changed.
-class CreateHeadlineTitleChanged extends CreateHeadlineEvent {
+final class CreateHeadlineTitleChanged extends CreateHeadlineEvent {
   const CreateHeadlineTitleChanged(this.title);
   final String title;
   @override
-  List<Object> get props => [title];
+  List<Object?> get props => [title];
 }
 
 /// Event for when the headline's description is changed.
-class CreateHeadlineDescriptionChanged extends CreateHeadlineEvent {
+final class CreateHeadlineDescriptionChanged extends CreateHeadlineEvent {
   const CreateHeadlineDescriptionChanged(this.description);
   final String description;
   @override
-  List<Object> get props => [description];
+  List<Object?> get props => [description];
 }
 
 /// Event for when the headline's URL is changed.
-class CreateHeadlineUrlChanged extends CreateHeadlineEvent {
+final class CreateHeadlineUrlChanged extends CreateHeadlineEvent {
   const CreateHeadlineUrlChanged(this.url);
   final String url;
   @override
-  List<Object> get props => [url];
+  List<Object?> get props => [url];
 }
 
 /// Event for when the headline's image URL is changed.
-class CreateHeadlineImageUrlChanged extends CreateHeadlineEvent {
+final class CreateHeadlineImageUrlChanged extends CreateHeadlineEvent {
   const CreateHeadlineImageUrlChanged(this.imageUrl);
   final String imageUrl;
   @override
-  List<Object> get props => [imageUrl];
+  List<Object?> get props => [imageUrl];
 }
 
 /// Event for when the headline's source is changed.
-class CreateHeadlineSourceChanged extends CreateHeadlineEvent {
+final class CreateHeadlineSourceChanged extends CreateHeadlineEvent {
   const CreateHeadlineSourceChanged(this.source);
   final Source? source;
   @override
   List<Object?> get props => [source];
 }
 
 /// Event for when the headline's category is changed.
-class CreateHeadlineCategoryChanged extends CreateHeadlineEvent {
+final class CreateHeadlineCategoryChanged extends CreateHeadlineEvent {
   const CreateHeadlineCategoryChanged(this.category);
   final Category? category;
   @override
   List<Object?> get props => [category];
 }
 
+/// Event for when the headline's status is changed.
+final class CreateHeadlineStatusChanged extends CreateHeadlineEvent {
+  const CreateHeadlineStatusChanged(this.status);
+
+  final ContentStatus status;
+
+  @override
+  List<Object?> get props => [status];
+}
+
 /// Event to signal that the form should be submitted.
-class CreateHeadlineSubmitted extends CreateHeadlineEvent {
+final class CreateHeadlineSubmitted extends CreateHeadlineEvent {
   const CreateHeadlineSubmitted();
 }
-

lib/content_management/bloc/create_headline/create_headline_state.dart

@@ -30,6 +30,7 @@ final class CreateHeadlineState extends Equatable {
     this.category,
     this.sources = const [],
     this.categories = const [],
+    this.contentStatus = ContentStatus.active,
     this.errorMessage,
   });
 
@@ -42,6 +43,7 @@ final class CreateHeadlineState extends Equatable {
   final Category? category;
   final List<Source> sources;
   final List<Category> categories;
+  final ContentStatus contentStatus;
   final String? errorMessage;
 
   /// Returns true if the form is valid and can be submitted.
@@ -57,6 +59,7 @@ final class CreateHeadlineState extends Equatable {
     ValueGetter<Category?>? category,
     List<Source>? sources,
     List<Category>? categories,
+    ContentStatus? contentStatus,
     String? errorMessage,
   }) {
     return CreateHeadlineState(
@@ -69,22 +72,23 @@ final class CreateHeadlineState extends Equatable {
       category: category != null ? category() : this.category,
       sources: sources ?? this.sources,
       categories: categories ?? this.categories,
+      contentStatus: contentStatus ?? this.contentStatus,
       errorMessage: errorMessage ?? this.errorMessage,
     );
   }
 
   @override
   List<Object?> get props => [
-        status,
-        title,
-        description,
-        url,
-        imageUrl,
-        source,
-        category,
-        sources,
-        categories,
-        errorMessage,
-      ];
+    status,
+    title,
+    description,
+    url,
+    imageUrl,
+    source,
+    category,
+    sources,
+    categories,
+    contentStatus,
+    errorMessage,
+  ];
 }
-

lib/content_management/bloc/create_source/create_source_bloc.dart

@@ -23,6 +23,7 @@ class CreateSourceBloc extends Bloc<CreateSourceEvent, CreateSourceState> {
     on<CreateSourceTypeChanged>(_onSourceTypeChanged);
     on<CreateSourceLanguageChanged>(_onLanguageChanged);
     on<CreateSourceHeadquartersChanged>(_onHeadquartersChanged);
+    on<CreateSourceStatusChanged>(_onStatusChanged);
     on<CreateSourceSubmitted>(_onSubmitted);
   }
 
@@ -103,6 +104,18 @@ class CreateSourceBloc extends Bloc<CreateSourceEvent, CreateSourceState> {
     emit(state.copyWith(headquarters: () => event.headquarters));
   }
 
+  void _onStatusChanged(
+    CreateSourceStatusChanged event,
+    Emitter<CreateSourceState> emit,
+  ) {
+    emit(
+      state.copyWith(
+        contentStatus: event.status,
+        status: CreateSourceStatus.initial,
+      ),
+    );
+  }
+
   Future<void> _onSubmitted(
     CreateSourceSubmitted event,
     Emitter<CreateSourceState> emit,
@@ -118,6 +131,7 @@ class CreateSourceBloc extends Bloc<CreateSourceEvent, CreateSourceState> {
         sourceType: state.sourceType,
         language: state.language.isNotEmpty ? state.language : null,
         headquarters: state.headquarters,
+        status: state.contentStatus,
       );
 
       await _sourcesRepository.create(item: newSource);