Implement synchronization, offline data handling, and intelligent request routing
- Add services for offline data management, including `offline-data.service.ts`, ensuring data is saved to a local database and synced with the server when online. - Introduce bidirectional `SyncService` for managing data synchronization with conflict resolution and retry mechanisms. - Create `data.service.ts` to handle smart routing between local database and server API based on connectivity status. - Update models and logic to support comprehensive synchronization for books, chapters, characters, and conversations. - Implement event listeners for online/offline detection and automatic sync scheduling.
This commit is contained in:
natreex
227
lib/services/offline-data.service.ts
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227
lib/services/offline-data.service.ts
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import { BookProps, BookListProps } from '@/lib/models/Book';
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import { CharacterProps } from '@/lib/models/Character';
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import { Conversation } from '@/lib/models/QuillSense';
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import { WorldProps } from '@/lib/models/World';
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/**
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* Service pour gérer les données avec cache local
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* Sauvegarde automatiquement dans la DB locale (Electron) quand disponible
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*/
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/**
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* Get all books - from local DB if offline, from server otherwise
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*/
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export async function getBooks(fetchFromServer: () => Promise<BookListProps[]>): Promise<BookListProps[]> {
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if (!window.electron) {
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return await fetchFromServer();
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}
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// TODO: Check if offline mode is enabled
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const isOffline = false; // Replace with actual offline check
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if (isOffline) {
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// Fetch from local DB
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const result = await window.electron.dbGetBooks();
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if (result.success) {
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return result.data || [];
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}
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throw new Error(result.error || 'Failed to get books from local DB');
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} else {
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// Fetch from server and save to local DB
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const books = await fetchFromServer();
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// Save to local DB in background
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for (const book of books) {
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try {
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await window.electron.dbSaveBook(book);
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} catch (error) {
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console.error('Failed to save book to local DB:', error);
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}
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}
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return books;
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}
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}
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/**
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* Get single book - from local DB if offline, from server otherwise
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*/
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export async function getBook(
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bookId: string,
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fetchFromServer: () => Promise<BookProps>
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): Promise<BookProps> {
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if (!window.electron) {
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return await fetchFromServer();
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}
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const isOffline = false; // Replace with actual offline check
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if (isOffline) {
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const result = await window.electron.dbGetBook(bookId);
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if (result.success && result.data) {
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return result.data;
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}
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throw new Error(result.error || 'Book not found in local DB');
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} else {
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const book = await fetchFromServer();
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// Save to local DB
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try {
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await window.electron.dbSaveBook(book);
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} catch (error) {
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console.error('Failed to save book to local DB:', error);
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}
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return book;
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}
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}
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/**
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* Save book - save to local DB and sync to server later if offline
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*/
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export async function saveBook(
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book: BookProps,
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authorId: string | undefined,
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saveToServer: () => Promise<void>
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): Promise<void> {
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if (!window.electron) {
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return await saveToServer();
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}
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const isOffline = false; // Replace with actual offline check
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// Always save to local DB first
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await window.electron.dbSaveBook(book, authorId);
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if (!isOffline) {
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// Also save to server
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try {
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await saveToServer();
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} catch (error) {
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console.error('Failed to save to server, will sync later:', error);
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// Data is already in local DB, will be synced later
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}
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}
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}
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/**
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* Get characters for a book
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*/
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export async function getCharacters(
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bookId: string,
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fetchFromServer: () => Promise<CharacterProps[]>
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): Promise<CharacterProps[]> {
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if (!window.electron) {
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return await fetchFromServer();
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}
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const isOffline = false; // Replace with actual offline check
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if (isOffline) {
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const result = await window.electron.dbGetCharacters(bookId);
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if (result.success) {
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return result.data || [];
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}
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throw new Error(result.error || 'Failed to get characters from local DB');
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} else {
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const characters = await fetchFromServer();
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// Save to local DB
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for (const character of characters) {
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try {
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await window.electron.dbSaveCharacter(character, bookId);
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} catch (error) {
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console.error('Failed to save character to local DB:', error);
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}
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}
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return characters;
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}
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}
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/**
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* Save character
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*/
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export async function saveCharacter(
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character: CharacterProps,
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bookId: string,
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saveToServer: () => Promise<void>
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): Promise<void> {
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if (!window.electron) {
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return await saveToServer();
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}
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const isOffline = false; // Replace with actual offline check
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// Always save to local DB first
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await window.electron.dbSaveCharacter(character, bookId);
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if (!isOffline) {
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try {
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await saveToServer();
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} catch (error) {
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console.error('Failed to save to server, will sync later:', error);
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}
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}
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}
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/**
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* Get conversations for a book
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*/
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export async function getConversations(
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bookId: string,
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fetchFromServer: () => Promise<Conversation[]>
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): Promise<Conversation[]> {
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if (!window.electron) {
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return await fetchFromServer();
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}
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const isOffline = false; // Replace with actual offline check
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if (isOffline) {
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const result = await window.electron.dbGetConversations(bookId);
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if (result.success) {
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return result.data || [];
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}
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throw new Error(result.error || 'Failed to get conversations from local DB');
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} else {
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const conversations = await fetchFromServer();
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// Save to local DB
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for (const conversation of conversations) {
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try {
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await window.electron.dbSaveConversation(conversation, bookId);
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} catch (error) {
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console.error('Failed to save conversation to local DB:', error);
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}
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}
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return conversations;
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}
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}
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/**
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* Save conversation
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*/
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export async function saveConversation(
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conversation: Conversation,
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bookId: string,
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saveToServer: () => Promise<void>
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): Promise<void> {
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if (!window.electron) {
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return await saveToServer();
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}
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const isOffline = false; // Replace with actual offline check
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// Always save to local DB first
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await window.electron.dbSaveConversation(conversation, bookId);
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if (!isOffline) {
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try {
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await saveToServer();
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} catch (error) {
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console.error('Failed to save to server, will sync later:', error);
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}
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}
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}
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