chore: initial commit — monorepo ReadaBook (API NestJS, web PWA, Docker)

apps/api/src/database/database.service.ts

@@ -0,0 +1,124 @@
+import { Injectable, OnModuleDestroy } from "@nestjs/common";
+import Database from "better-sqlite3";
+import { BetterSQLite3Database, drizzle } from "drizzle-orm/better-sqlite3";
+import { AppConfig, loadConfig } from "../config/env.js";
+import * as schema from "./schema.js";
+
+@Injectable()
+export class DatabaseService implements OnModuleDestroy {
+  readonly config: AppConfig;
+  readonly sqlite: Database.Database;
+  readonly db: BetterSQLite3Database<typeof schema>;
+
+  constructor() {
+    this.config = loadConfig();
+    this.sqlite = new Database(this.config.databasePath);
+    this.sqlite.pragma("journal_mode = WAL");
+    this.sqlite.pragma("foreign_keys = ON");
+    this.sqlite.pragma("busy_timeout = 5000");
+    this.db = drizzle(this.sqlite, { schema });
+    this.migrate();
+  }
+
+  onModuleDestroy(): void {
+    this.sqlite.close();
+  }
+
+  now(): string {
+    return new Date().toISOString();
+  }
+
+  private migrate(): void {
+    this.sqlite.exec(`
+      CREATE TABLE IF NOT EXISTS users (
+        id INTEGER PRIMARY KEY AUTOINCREMENT,
+        email TEXT NOT NULL UNIQUE,
+        name TEXT,
+        password_hash TEXT NOT NULL,
+        role TEXT NOT NULL DEFAULT 'user' CHECK (role IN ('admin','user')),
+        created_at TEXT NOT NULL,
+        updated_at TEXT NOT NULL
+      );
+
+      CREATE TABLE IF NOT EXISTS libraries (
+        id INTEGER PRIMARY KEY AUTOINCREMENT,
+        name TEXT NOT NULL,
+        path TEXT NOT NULL,
+        enabled INTEGER NOT NULL DEFAULT 1,
+        created_at TEXT NOT NULL,
+        updated_at TEXT NOT NULL
+      );
+
+      CREATE TABLE IF NOT EXISTS books (
+        id INTEGER PRIMARY KEY AUTOINCREMENT,
+        library_id INTEGER NOT NULL REFERENCES libraries(id) ON DELETE CASCADE,
+        title TEXT NOT NULL,
+        author TEXT,
+        description TEXT,
+        isbn TEXT,
+        language TEXT,
+        publisher TEXT,
+        published_date TEXT,
+        format TEXT NOT NULL CHECK (format IN ('epub','pdf')),
+        file_path TEXT NOT NULL UNIQUE,
+        cover_path TEXT,
+        file_size INTEGER NOT NULL,
+        file_mtime TEXT NOT NULL,
+        created_at TEXT NOT NULL,
+        updated_at TEXT NOT NULL
+      );
+
+      CREATE TABLE IF NOT EXISTS progress (
+        id INTEGER PRIMARY KEY AUTOINCREMENT,
+        user_id INTEGER NOT NULL REFERENCES users(id) ON DELETE CASCADE,
+        book_id INTEGER NOT NULL REFERENCES books(id) ON DELETE CASCADE,
+        locator TEXT NOT NULL,
+        percent INTEGER NOT NULL CHECK (percent >= 0 AND percent <= 100),
+        created_at TEXT NOT NULL,
+        updated_at TEXT NOT NULL,
+        UNIQUE(user_id, book_id)
+      );
+
+      CREATE TABLE IF NOT EXISTS jobs (
+        id INTEGER PRIMARY KEY AUTOINCREMENT,
+        type TEXT NOT NULL,
+        status TEXT NOT NULL CHECK (status IN ('queued','running','succeeded','failed')),
+        detail TEXT,
+        error TEXT,
+        created_at TEXT NOT NULL,
+        updated_at TEXT NOT NULL
+      );
+
+      CREATE VIRTUAL TABLE IF NOT EXISTS book_fts USING fts5(
+        title,
+        author,
+        description,
+        isbn,
+        content='books',
+        content_rowid='id'
+      );
+
+      CREATE INDEX IF NOT EXISTS books_library_idx ON books(library_id);
+      CREATE INDEX IF NOT EXISTS books_title_idx ON books(title);
+      CREATE INDEX IF NOT EXISTS jobs_status_idx ON jobs(status);
+
+      CREATE TRIGGER IF NOT EXISTS books_ai AFTER INSERT ON books BEGIN
+        INSERT INTO book_fts(rowid, title, author, description, isbn)
+        VALUES (new.id, new.title, new.author, new.description, new.isbn);
+      END;
+
+      CREATE TRIGGER IF NOT EXISTS books_ad AFTER DELETE ON books BEGIN
+        INSERT INTO book_fts(book_fts, rowid, title, author, description, isbn)
+        VALUES('delete', old.id, old.title, old.author, old.description, old.isbn);
+      END;
+
+      CREATE TRIGGER IF NOT EXISTS books_au AFTER UPDATE ON books BEGIN
+        INSERT INTO book_fts(book_fts, rowid, title, author, description, isbn)
+        VALUES('delete', old.id, old.title, old.author, old.description, old.isbn);
+        INSERT INTO book_fts(rowid, title, author, description, isbn)
+        VALUES (new.id, new.title, new.author, new.description, new.isbn);
+      END;
+    `);
+    this.sqlite.exec("INSERT INTO book_fts(book_fts) VALUES('rebuild')");
+  }
+}