Add edit delete user - Using Bloc #4
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| void _onAddingUser(AddingUser event, Emitter<UserState> emit) async { | ||
| emit(UserListLoading()); | ||
| await _addUser(event.newUser, emit); |
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| void _onUpdatingUser(UpdatingUser event, Emitter<UserState> emit) async { | ||
| emit(UserListLoading()); | ||
| await _updateUser(event.index, event.updatedUser, emit); |
| ).then((newUser) { | ||
| if (newUser != null) { | ||
| userBloc.add(AddingUser(newUser)); | ||
| ScaffoldMessenger.of(context).showSnackBar( |
| ).then((updatedUser) { | ||
| if (updatedUser != null) { | ||
| userBloc.add(UpdatingUser(index, updatedUser)); | ||
| ScaffoldMessenger.of(context).showSnackBar( |
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Description
I implemented the transition from using the Riverpod package to the Bloc package, aiming for a cleaner architecture and better organization of files and folders for the bloc.
Clean Architecture Setup: I structured the files and folders following the principles of clean architecture, ensuring separation of concerns and easy navigation.
Constants for Images: All the images used across different screens were added to a
Constantsclass, making it easier to manage and reference them.User Repository: I created a
UserRepositoryclass responsible for fetching the list of user data.Bloc Implementation: I developed a bloc architecture consisting of event, states, and a user bloc file.
Events: Events were defined for adding, updating, deleting, and reloading the page.
States: The states included loading, loaded, and error states to handle different scenarios.
Random Success/Failure: In the
UserBloc, I introduced random chances for both success and failure scenarios to mimic real-world behavior.Loading State Handling: Loading states were added for the user list screen, edit user screen, and add user screen to provide visual feedback to users.
Snackbar Feedback: Snackbar messages were implemented to notify users when a list is added, updated, or deleted successfully.
Retry Button: A retry button was incorporated to allow users to retry an action whenever an error state occurs.
Separation of Widgets: The card widget was separated into a new file to enhance code readability and maintainability.
BlocProvider Setup: I utilized
BlocProviderin the main.dart file to provide provider scope for updating, adding, or deleting an action on a particular event.Screenshot
Images are added in sequential order while using the app.
PR Checklist