Remove all database mappers and README file
This commit is contained in:
natreex
@@ -2,31 +2,14 @@ import sqlite3 from 'node-sqlite3-wasm';
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import path from 'path';
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import { app } from 'electron';
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import { initializeSchema } from './schema.js';
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import { encrypt, decrypt, encryptObject, decryptObject, hash } from './encryption.js';
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// Type alias for compatibility
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type Database = sqlite3.Database;
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// Mappers
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import * as BookMapper from './mappers/book.mapper.js';
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import * as ChapterMapper from './mappers/chapter.mapper.js';
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import * as CharacterMapper from './mappers/character.mapper.js';
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import * as AIMapper from './mappers/ai.mapper.js';
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import * as UserMapper from './mappers/user.mapper.js';
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import * as WorldMapper from './mappers/world.mapper.js';
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// Types from mappers (which contain all necessary interfaces)
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import type { BookProps, BookListProps } from './mappers/book.mapper.js';
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import type { ChapterProps } from './mappers/chapter.mapper.js';
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import type { CharacterProps } from './mappers/character.mapper.js';
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import type { Conversation, Message } from './mappers/ai.mapper.js';
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import type { UserProps } from './mappers/user.mapper.js';
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import type { WorldProps } from './mappers/world.mapper.js';
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export type Database = sqlite3.Database;
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/**
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* DatabaseService - Handles all local database operations
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* Provides CRUD operations with automatic encryption/decryption
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* Maps between DB snake_case and TypeScript camelCase interfaces
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* DatabaseService - Manages SQLite database connection ONLY
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* No business logic, no CRUD operations
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* Just connection management and encryption key storage
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*/
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export class DatabaseService {
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private db: Database | null = null;
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@@ -79,370 +62,25 @@ export class DatabaseService {
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}
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/**
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* Encrypt sensitive field
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* Get database connection
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* Use this in repositories and model classes
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*/
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private encryptField(data: string): string {
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if (!this.userEncryptionKey) throw new Error('Encryption key not set');
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const encrypted = encrypt(data, this.userEncryptionKey);
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return JSON.stringify(encrypted);
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getDb(): Database | null {
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return this.db;
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}
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/**
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* Decrypt sensitive field
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* Get user encryption key
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*/
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private decryptField(encryptedData: string): string {
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if (!this.userEncryptionKey) throw new Error('Encryption key not set');
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try {
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const parsed = JSON.parse(encryptedData);
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return decrypt(parsed, this.userEncryptionKey);
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} catch {
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// If not encrypted (for migration), return as-is
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return encryptedData;
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}
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}
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// ========== BOOK OPERATIONS ==========
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/**
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* Get all books for the current user
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*/
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getBooks(): BookListProps[] {
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if (!this.db || !this.userId) throw new Error('Database not initialized');
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const rows = this.db.all(`
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SELECT * FROM erit_books
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WHERE author_id = ?
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ORDER BY book_id DESC
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`, [this.userId]) as unknown as BookMapper.DBBook[];
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return rows.map(row => BookMapper.dbToBookList(row));
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getEncryptionKey(): string | null {
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return this.userEncryptionKey;
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}
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/**
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* Get a single book by ID with all related data
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* Get current user ID
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*/
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getBook(bookId: string): BookProps | null {
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if (!this.db) throw new Error('Database not initialized');
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const rows = this.db.all('SELECT * FROM erit_books WHERE book_id = ?', [bookId]) as unknown as BookMapper.DBBook[];
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const row = rows[0];
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if (!row) return null;
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const book = BookMapper.dbToBook(row);
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// Load chapters
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const chapterRows = this.db.all(`
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SELECT * FROM book_chapters
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WHERE book_id = ?
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ORDER BY chapter_order ASC
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`, [bookId]) as unknown as ChapterMapper.DBChapter[];
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book.chapters = chapterRows.map(chapterRow => {
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// Load chapter content
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const contentRows = this.db!.all(`
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SELECT * FROM book_chapter_content
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WHERE chapter_id = ?
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ORDER BY version DESC
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LIMIT 1
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`, [chapterRow.chapter_id]) as unknown as ChapterMapper.DBChapterContent[];
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const contentRow = contentRows[0];
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// Decrypt content if encrypted
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if (contentRow && contentRow.content) {
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try {
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contentRow.content = this.decryptField(contentRow.content);
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} catch (error) {
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console.warn('Failed to decrypt chapter content:', error);
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}
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}
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return ChapterMapper.dbToChapter(chapterRow, contentRow);
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});
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return book;
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}
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/**
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* Save or update a book
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*/
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saveBook(book: BookProps | BookListProps, authorId?: string): void {
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if (!this.db || !this.userId) throw new Error('Database not initialized');
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const dbBook = 'bookId' in book
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? BookMapper.bookToDb(book, authorId || this.userId, 0)
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: BookMapper.bookListToDb(book, 0);
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// Hash the title
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dbBook.hashed_title = hash(dbBook.title);
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if (dbBook.sub_title) {
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dbBook.hashed_sub_title = hash(dbBook.sub_title);
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}
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this.db.run(`
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INSERT OR REPLACE INTO erit_books (
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book_id, type, author_id, title, hashed_title, sub_title, hashed_sub_title,
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summary, serie_id, desired_release_date, desired_word_count, words_count,
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cover_image, book_meta, synced
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) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
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`, [
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dbBook.book_id, dbBook.type, dbBook.author_id, dbBook.title, dbBook.hashed_title,
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dbBook.sub_title ?? null, dbBook.hashed_sub_title, dbBook.summary, dbBook.serie_id ?? null,
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dbBook.desired_release_date ?? null, dbBook.desired_word_count ?? null, dbBook.words_count ?? null,
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dbBook.cover_image ?? null, dbBook.book_meta ?? null, 0
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]);
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// Add to pending changes for sync
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this.addPendingChange('erit_books', 'INSERT', dbBook.book_id, dbBook);
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}
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/**
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* Delete a book
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*/
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deleteBook(bookId: string): void {
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if (!this.db) throw new Error('Database not initialized');
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this.db.run('DELETE FROM erit_books WHERE book_id = ?', [bookId]);
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this.addPendingChange('erit_books', 'DELETE', bookId);
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}
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// ========== CHAPTER OPERATIONS ==========
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/**
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* Save or update a chapter
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*/
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saveChapter(chapter: ChapterProps, bookId: string, contentId?: string): void {
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if (!this.db || !this.userId) throw new Error('Database not initialized');
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const dbChapter = ChapterMapper.chapterToDb(chapter, bookId, this.userId, 0);
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dbChapter.hashed_title = hash(dbChapter.title);
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this.db.run(`
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INSERT OR REPLACE INTO book_chapters (
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chapter_id, book_id, author_id, title, hashed_title, words_count,
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chapter_order, meta_chapter, synced
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) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?)
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`, [
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dbChapter.chapter_id, dbChapter.book_id, dbChapter.author_id, dbChapter.title,
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dbChapter.hashed_title, dbChapter.words_count ?? null, dbChapter.chapter_order ?? null,
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dbChapter.meta_chapter, 0
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]);
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// Save encrypted content
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const dbContent = ChapterMapper.chapterContentToDb(
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chapter.chapterContent,
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contentId || crypto.randomUUID(),
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chapter.chapterId,
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this.userId,
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0,
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0
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);
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// Encrypt the content
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dbContent.content = this.encryptField(dbContent.content);
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this.db.run(`
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INSERT OR REPLACE INTO book_chapter_content (
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content_id, chapter_id, author_id, version, content, words_count,
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meta_chapter_content, time_on_it, synced
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) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?)
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`, [
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dbContent.content_id, dbContent.chapter_id, dbContent.author_id, dbContent.version,
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dbContent.content, dbContent.words_count, dbContent.meta_chapter_content,
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dbContent.time_on_it, 0
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]);
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this.addPendingChange('book_chapters', 'INSERT', chapter.chapterId, dbChapter);
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}
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// ========== CHARACTER OPERATIONS ==========
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/**
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* Get all characters for a book
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*/
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getCharacters(bookId: string): CharacterProps[] {
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if (!this.db) throw new Error('Database not initialized');
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const characterRows = this.db.all('SELECT * FROM book_characters WHERE book_id = ?', [bookId]) as unknown as CharacterMapper.DBCharacter[];
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return characterRows.map(charRow => {
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const attrRows = this.db!.all('SELECT * FROM book_characters_attributes WHERE character_id = ?', [charRow.character_id]) as unknown as CharacterMapper.DBCharacterAttribute[];
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return CharacterMapper.dbToCharacter(charRow, attrRows);
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});
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}
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/**
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* Save or update a character
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*/
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saveCharacter(character: CharacterProps, bookId: string): void {
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if (!this.db || !this.userId) throw new Error('Database not initialized');
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const dbCharacter = CharacterMapper.characterToDb(character, bookId, this.userId, 0);
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this.db.run(`
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INSERT OR REPLACE INTO book_characters (
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character_id, book_id, user_id, first_name, last_name, category, title,
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image, role, biography, history, char_meta, synced
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) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
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`, [
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dbCharacter.character_id, dbCharacter.book_id, dbCharacter.user_id,
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dbCharacter.first_name, dbCharacter.last_name ?? null, dbCharacter.category,
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dbCharacter.title ?? null, dbCharacter.image ?? null, dbCharacter.role ?? null, dbCharacter.biography ?? null,
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dbCharacter.history ?? null, dbCharacter.char_meta, 0
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]);
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// Delete old attributes and insert new ones
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this.db.run('DELETE FROM book_characters_attributes WHERE character_id = ?', [dbCharacter.character_id]);
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const attributes = CharacterMapper.characterAttributesToDb(character, this.userId, 0);
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for (const attr of attributes) {
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this.db.run(`
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INSERT INTO book_characters_attributes (
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attr_id, character_id, user_id, attribute_name, attribute_value, attr_meta, synced
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) VALUES (?, ?, ?, ?, ?, ?, ?)
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`, [
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attr.attr_id, attr.character_id, attr.user_id, attr.attribute_name,
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attr.attribute_value, attr.attr_meta, 0
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]);
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}
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this.addPendingChange('book_characters', 'INSERT', dbCharacter.character_id, dbCharacter);
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}
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// ========== AI CONVERSATION OPERATIONS ==========
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/**
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* Get all conversations for a book
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*/
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getConversations(bookId: string): Conversation[] {
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if (!this.db) throw new Error('Database not initialized');
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const convoRows = this.db.all('SELECT * FROM ai_conversations WHERE book_id = ? ORDER BY start_date DESC', [bookId]) as unknown as AIMapper.DBConversation[];
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return convoRows.map(convoRow => {
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const messageRows = this.db!.all('SELECT * FROM ai_messages_history WHERE conversation_id = ? ORDER BY message_date ASC', [convoRow.conversation_id]) as unknown as AIMapper.DBMessage[];
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// Decrypt messages
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messageRows.forEach(msg => {
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try {
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msg.message = this.decryptField(msg.message);
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} catch (error) {
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console.warn('Failed to decrypt AI message:', error);
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}
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});
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return AIMapper.dbToConversation(convoRow, messageRows);
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});
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}
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/**
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* Save a conversation with messages
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*/
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saveConversation(conversation: Conversation, bookId: string): void {
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if (!this.db || !this.userId) throw new Error('Database not initialized');
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const dbConvo = AIMapper.conversationToDb(conversation, bookId, this.userId, 0);
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this.db.run(`
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INSERT OR REPLACE INTO ai_conversations (
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conversation_id, book_id, mode, title, start_date, status, user_id, summary, convo_meta, synced
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) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
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`, [
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dbConvo.conversation_id, dbConvo.book_id, dbConvo.mode, dbConvo.title,
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dbConvo.start_date, dbConvo.status, dbConvo.user_id, dbConvo.summary ?? null,
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dbConvo.convo_meta, 0
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]);
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// Save encrypted messages
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for (const message of conversation.messages) {
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const dbMessage = AIMapper.messageToDb(message, conversation.id, 0);
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// Encrypt the message content
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dbMessage.message = this.encryptField(dbMessage.message);
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this.db.run(`
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INSERT OR REPLACE INTO ai_messages_history (
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message_id, conversation_id, role, message, message_date, meta_message, synced
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) VALUES (?, ?, ?, ?, ?, ?, ?)
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`, [
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dbMessage.message_id, dbMessage.conversation_id, dbMessage.role,
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dbMessage.message, dbMessage.message_date, dbMessage.meta_message, 0
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]);
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}
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this.addPendingChange('ai_conversations', 'INSERT', dbConvo.conversation_id, dbConvo);
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}
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// ========== SYNC OPERATIONS ==========
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/**
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* Add a pending change for sync
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*/
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private addPendingChange(tableName: string, operation: string, recordId: string, data?: any): void {
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if (!this.db) return;
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this.db.run(`
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INSERT INTO _pending_changes (table_name, operation, record_id, data, created_at)
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VALUES (?, ?, ?, ?, ?)
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`, [tableName, operation, recordId, data ? JSON.stringify(data) : null, Date.now()]);
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// Update sync metadata
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this.db.run(`
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UPDATE _sync_metadata
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SET pending_changes = pending_changes + 1
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WHERE table_name = ?
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`, [tableName]);
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}
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/**
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* Get pending changes for sync
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*/
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getPendingChanges(limit: number = 100): any[] {
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if (!this.db) throw new Error('Database not initialized');
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return this.db.all(`
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SELECT * FROM _pending_changes
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ORDER BY created_at ASC
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LIMIT ?
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`, [limit]) as any[];
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}
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/**
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* Mark changes as synced
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*/
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markChangesSynced(changeIds: number[]): void {
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if (!this.db || changeIds.length === 0) return;
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const placeholders = changeIds.map(() => '?').join(',');
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this.db.run(`DELETE FROM _pending_changes WHERE id IN (${placeholders})`, changeIds);
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}
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/**
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* Update last sync time for a table
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*/
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updateLastSync(tableName: string): void {
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if (!this.db) return;
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this.db.run(`
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UPDATE _sync_metadata
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SET last_sync_at = ?, pending_changes = 0
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WHERE table_name = ?
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`, [Date.now(), tableName]);
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}
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/**
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* Get sync status
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*/
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getSyncStatus(): { table: string; lastSync: number; pending: number }[] {
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if (!this.db) throw new Error('Database not initialized');
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const rows = this.db.all('SELECT * FROM _sync_metadata', []) as unknown as any[];
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return rows.map(row => ({
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table: row.table_name as string,
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lastSync: row.last_sync_at as number,
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pending: row.pending_changes as number
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}));
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getUserId(): string | null {
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return this.userId;
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}
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}
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Reference in New Issue
Block a user