refactor: replace Database type with SqliteDatabase in moderation modules

src/moderation/attachmentUploader.ts

@@ -1,7 +1,7 @@
 import { createChildLogger } from "../logger";
 import { config } from "../config";
 import { retryWithBackoff } from "../retry";
-import type Database from "better-sqlite3";
+import type { SqliteDatabase } from "../muxer-queue";
 import { updateAttachmentAsUploaded, updateAttachmentAsFailedUpload } from "./messageStore";
 
 const logger = createChildLogger("attachment-uploader");
@@ -109,7 +109,7 @@ export async function downloadDiscordAttachment(url: string): Promise<Buffer> {
 }
 
 export async function processAttachmentUpload(
-  db: Database.Database,
+  db: SqliteDatabase,
   attachmentId: string,
   discordUrl: string,
   filename: string,

src/moderation/messageCapture.ts

@@ -1,6 +1,6 @@
 import type { Client, Message, TextChannel, ThreadChannel } from "discord.js-selfbot-v13";
-import type Database from "better-sqlite3";
 import { createChildLogger } from "../logger";
+import type { SqliteDatabase } from "../muxer-queue";
 import { config } from "../config";
 import { insertMessage, insertAttachment } from "./messageStore";
 import { processAttachmentUpload } from "./attachmentUploader";
@@ -9,7 +9,7 @@ import type { MessageRecord, AttachmentRecord } from "./types";
 const logger = createChildLogger("message-capture");
 
 async function captureMessage(
-  db: Database.Database,
+  db: SqliteDatabase,
   message: Message,
   type: "text" | "edited" | "deleted",
 ): Promise<void> {
@@ -101,7 +101,7 @@ async function captureMessage(
   );
 }
 
-export function registerMessageCapture(client: Client, db: Database.Database): void {
+export function registerMessageCapture(client: Client, db: SqliteDatabase): void {
   client.on("messageCreate", async (message) => {
     if (!message.guildId || message.guildId !== config.MONITOR_GUILD_ID) return;
     if (message.author?.bot) return;

src/moderation/messageStore.ts

@@ -1,10 +1,10 @@
-import type Database from "better-sqlite3";
 import { createChildLogger } from "../logger";
+import type { SqliteDatabase } from "../muxer-queue";
 import type { MessageRecord, AttachmentRecord } from "./types";
 
 const logger = createChildLogger("message-store");
 
-export function insertMessage(db: Database.Database, message: MessageRecord): void {
+export function insertMessage(db: SqliteDatabase, message: MessageRecord): void {
   try {
     const stmt = db.prepare(`
       INSERT INTO messages (
@@ -41,7 +41,7 @@ export function insertMessage(db: Database.Database, message: MessageRecord): vo
 }
 
 export function updateMessageAsEdited(
-  db: Database.Database,
+  db: SqliteDatabase,
   messageId: string,
   editedContent: string,
   editedAt: number,
@@ -65,7 +65,7 @@ export function updateMessageAsEdited(
 }
 
 export function updateMessageAsDeleted(
-  db: Database.Database,
+  db: SqliteDatabase,
   messageId: string,
   deletedAt: number,
 ): void {
@@ -88,7 +88,7 @@ export function updateMessageAsDeleted(
 }
 
 export function getMessagesByChannel(
-  db: Database.Database,
+  db: SqliteDatabase,
   channelId: string,
   limit: number = 50,
   offset: number = 0,
@@ -112,7 +112,7 @@ export function getMessagesByChannel(
   }
 }
 
-export function insertAttachment(db: Database.Database, attachment: AttachmentRecord): void {
+export function insertAttachment(db: SqliteDatabase, attachment: AttachmentRecord): void {
   try {
     const stmt = db.prepare(`
       INSERT INTO attachments (
@@ -149,7 +149,7 @@ export function insertAttachment(db: Database.Database, attachment: AttachmentRe
 }
 
 export function getAttachmentsByChannel(
-  db: Database.Database,
+  db: SqliteDatabase,
   channelId: string,
   limit: number = 50,
   offset: number = 0,
@@ -174,7 +174,7 @@ export function getAttachmentsByChannel(
 }
 
 export function updateAttachmentAsUploaded(
-  db: Database.Database,
+  db: SqliteDatabase,
   attachmentId: string,
   uploadedUrl: string,
   uploadedAt: number,
@@ -198,7 +198,7 @@ export function updateAttachmentAsUploaded(
 }
 
 export function updateAttachmentAsFailedUpload(
-  db: Database.Database,
+  db: SqliteDatabase,
   attachmentId: string,
   error: string,
 ): void {

src/muxer-queue.ts

@@ -1,9 +1,21 @@
 import path from "node:path";
-import Database from "better-sqlite3";
+import { Database } from "bun:sqlite";
 import { createChildLogger } from "./logger";
 
 const logger = createChildLogger("muxer-queue");
 
+export interface SqliteStatement {
+  run: (...params: unknown[]) => { changes: number };
+  all: (...params: unknown[]) => unknown[];
+  get: (...params: unknown[]) => unknown;
+}
+
+export interface SqliteDatabase {
+  prepare: (sql: string) => SqliteStatement;
+  exec: (sql: string) => void;
+  close: () => void;
+}
+
 export interface MuxerJobData {
   userId: string;
   sessionId: string;
@@ -23,13 +35,14 @@ interface StoredJob {
 }
 
 const dbPath = path.join(process.cwd(), ".muxer-queue.db");
-let db: Database.Database | null = null;
+let db: SqliteDatabase | null = null;
 
-function initializeDatabase(): Database.Database {
-  const database = new Database(dbPath);
-  database.pragma("journal_mode = WAL");
+function initializeDatabase(): SqliteDatabase {
+  const database = new Database(dbPath) as SqliteDatabase;
 
   database.exec(`
+    PRAGMA journal_mode = WAL;
+
     CREATE TABLE IF NOT EXISTS muxer_jobs (
       id TEXT PRIMARY KEY,
       data TEXT NOT NULL,
@@ -43,12 +56,56 @@ function initializeDatabase(): Database.Database {
 
     CREATE INDEX IF NOT EXISTS idx_status ON muxer_jobs(status);
     CREATE INDEX IF NOT EXISTS idx_createdAt ON muxer_jobs(createdAt);
+
+    CREATE TABLE IF NOT EXISTS messages (
+      id TEXT PRIMARY KEY,
+      guild_id TEXT NOT NULL,
+      channel_id TEXT NOT NULL,
+      thread_id TEXT,
+      user_id TEXT NOT NULL,
+      username TEXT NOT NULL,
+      avatar_url TEXT,
+      content TEXT NOT NULL,
+      edited_content TEXT,
+      created_at INTEGER NOT NULL,
+      edited_at INTEGER,
+      deleted_at INTEGER,
+      type TEXT NOT NULL DEFAULT 'text',
+      metadata TEXT
+    );
+
+    CREATE INDEX IF NOT EXISTS idx_messages_channel ON messages(channel_id);
+    CREATE INDEX IF NOT EXISTS idx_messages_user ON messages(user_id);
+    CREATE INDEX IF NOT EXISTS idx_messages_created ON messages(created_at DESC);
+    CREATE INDEX IF NOT EXISTS idx_messages_thread ON messages(thread_id);
+
+    CREATE TABLE IF NOT EXISTS attachments (
+      id TEXT PRIMARY KEY,
+      message_id TEXT NOT NULL,
+      guild_id TEXT NOT NULL,
+      channel_id TEXT NOT NULL,
+      user_id TEXT NOT NULL,
+      filename TEXT NOT NULL,
+      size INTEGER NOT NULL,
+      type TEXT NOT NULL,
+      discord_url TEXT NOT NULL,
+      uploaded_url TEXT,
+      upload_status TEXT NOT NULL DEFAULT 'pending',
+      upload_error TEXT,
+      created_at INTEGER NOT NULL,
+      uploaded_at INTEGER,
+      FOREIGN KEY (message_id) REFERENCES messages(id)
+    );
+
+    CREATE INDEX IF NOT EXISTS idx_attachments_channel ON attachments(channel_id);
+    CREATE INDEX IF NOT EXISTS idx_attachments_message ON attachments(message_id);
+    CREATE INDEX IF NOT EXISTS idx_attachments_status ON attachments(upload_status);
   `);
 
   return database;
 }
 
-function getDatabase(): Database.Database {
+function getDatabase(): SqliteDatabase {
   if (!db) {
     db = initializeDatabase();
   }