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Implements offline-first calendar sync infrastructure

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Adds IndexedDB and operation queue for robust offline synchronization
Introduces SyncManager to handle background data synchronization
Supports local event operations with automatic remote sync queuing

Enhances application reliability and user experience in low/no connectivity scenarios
This commit is contained in:
Janus C. H. Knudsen 2025-11-05 00:37:57 +01:00
parent 9c765b35ab
commit e7011526e3
20 changed files with 3822 additions and 57 deletions
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33
src/repositories/MockEventRepository.ts
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@ -1,5 +1,5 @@
import { ICalendarEvent } from '../types/CalendarTypes';
import { IEventRepository } from './IEventRepository';
import { IEventRepository, UpdateSource } from './IEventRepository';
interface RawEventData {
id: string;
@ -13,12 +13,15 @@ interface RawEventData {
}
/**
* MockEventRepository - Loads event data from local JSON file
* MockEventRepository - Loads event data from local JSON file (LEGACY)
*
* This repository implementation fetches mock event data from a static JSON file.
* Used for development and testing before backend API is available.
* DEPRECATED: Use IndexedDBEventRepository for offline-first functionality.
*
* Data Source: data/mock-events.json
*
* NOTE: Create/Update/Delete operations are not supported - throws errors.
* This is intentional to encourage migration to IndexedDBEventRepository.
*/
export class MockEventRepository implements IEventRepository {
private readonly dataUrl = 'data/mock-events.json';
@ -40,6 +43,30 @@ export class MockEventRepository implements IEventRepository {
}
}
/**
* NOT SUPPORTED - MockEventRepository is read-only
* Use IndexedDBEventRepository instead
*/
public async createEvent(event: Omit<ICalendarEvent, 'id'>, source?: UpdateSource): Promise<ICalendarEvent> {
throw new Error('MockEventRepository does not support createEvent. Use IndexedDBEventRepository instead.');
}
/**
* NOT SUPPORTED - MockEventRepository is read-only
* Use IndexedDBEventRepository instead
*/
public async updateEvent(id: string, updates: Partial<ICalendarEvent>, source?: UpdateSource): Promise<ICalendarEvent> {
throw new Error('MockEventRepository does not support updateEvent. Use IndexedDBEventRepository instead.');
}
/**
* NOT SUPPORTED - MockEventRepository is read-only
* Use IndexedDBEventRepository instead
*/
public async deleteEvent(id: string, source?: UpdateSource): Promise<void> {
throw new Error('MockEventRepository does not support deleteEvent. Use IndexedDBEventRepository instead.');
}
private processCalendarData(data: RawEventData[]): ICalendarEvent[] {
return data.map((event): ICalendarEvent => ({
...event,