Refactor calendar event loading: replace parameters with LoadEventsParam class and implement memory caching for improved performance

This commit is contained in:
mohammad
2025-07-17 11:20:32 +03:00
parent c6729f476f
commit c9b8fbb0c2
8 changed files with 100 additions and 47 deletions

View File

@ -2,8 +2,10 @@ import 'dart:async';
import 'package:bloc/bloc.dart';
import 'package:calendar_view/calendar_view.dart';
import 'package:flutter/material.dart';
import 'package:syncrow_web/pages/access_management/booking_system/domain/LoadEventsParam.dart';
import 'package:syncrow_web/pages/access_management/booking_system/domain/models/calendar_event_booking.dart';
import 'package:syncrow_web/pages/access_management/booking_system/domain/services/calendar_system_service.dart';
import 'package:syncrow_web/pages/access_management/booking_system/presentation/model/memory_bookable_space_service.dart';
part 'events_event.dart';
part 'events_state.dart';
@ -11,12 +13,14 @@ class CalendarEventsBloc extends Bloc<CalendarEventsEvent, CalendarEventState> {
final EventController eventController = EventController();
final CalendarSystemService calendarService;
final Map<String, List<CalendarEventData>> _eventsCache = {};
final MemoryBookableSpaceService memoryService;
String? _lastSpaceId;
int? _lastMonth;
int? _lastYear;
CalendarEventsBloc({required this.calendarService}) : super(EventsInitial()) {
CalendarEventsBloc({
required this.calendarService,
required this.memoryService,
}) : super(EventsInitial()) {
on<LoadEvents>(_onLoadEvents);
on<AddEvent>(_onAddEvent);
on<DisposeResources>(_onDisposeResources);
@ -26,45 +30,32 @@ class CalendarEventsBloc extends Bloc<CalendarEventsEvent, CalendarEventState> {
LoadEvents event,
Emitter<CalendarEventState> emit,
) async {
final month = event.weekEnd.month;
final year = event.weekEnd.year;
final cacheKey =
'${event.spaceId}-$year-${month.toString().padLeft(2, '0')}';
if (_eventsCache.containsKey(cacheKey)) {
final cachedEvents = _eventsCache[cacheKey]!;
final param = event.param;
final month = param.endDate.month;
final year = param.endDate.year;
final spaceId = param.id;
final cachedEvents = memoryService.getEvents(spaceId, year, month);
if (cachedEvents != null) {
eventController.addAll(cachedEvents);
emit(EventsLoaded(
events: cachedEvents,
spaceId: event.spaceId,
spaceId: spaceId,
month: month,
year: year,
));
return;
}
if (_lastSpaceId == event.spaceId &&
_lastMonth == month &&
_lastYear == year) {
return;
}
emit(EventsLoading());
try {
final response = await calendarService.getCalendarEvents(
month: month.toString().padLeft(2, '0'),
year: year.toString(),
spaceId: event.spaceId,
);
final response = await calendarService.getCalendarEvents(params: param);
final events = response.data.map(_toCalendarEventData).toList();
_eventsCache[cacheKey] = events;
memoryService.setEvents(spaceId, year, month, events);
eventController.addAll(events);
_lastSpaceId = event.spaceId;
_lastMonth = month;
_lastYear = year;
emit(EventsLoaded(
events: events,
spaceId: event.spaceId,
spaceId: spaceId,
month: month,
year: year,
));

View File

@ -6,17 +6,11 @@ abstract class CalendarEventsEvent {
}
class LoadEvents extends CalendarEventsEvent {
final String spaceId;
final DateTime weekStart;
final DateTime weekEnd;
const LoadEvents({
required this.spaceId,
required this.weekStart,
required this.weekEnd,
});
final LoadEventsParam param;
const LoadEvents(this.param);
}
class AddEvent extends CalendarEventsEvent {
final CalendarEventData event;
const AddEvent(this.event);