Updates
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nadja
248
backend/db.ts
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248
backend/db.ts
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import Database from 'better-sqlite3';
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import { dirname, join } from 'path';
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import { fileURLToPath } from 'url';
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const __dirname = dirname(fileURLToPath(import.meta.url));
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const DB_FILE = process.env.DB_PATH || join(__dirname, 'recipes.db');
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const db = new Database(DB_FILE);
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db.pragma('journal_mode = WAL');
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export interface User {
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id: number;
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username: string;
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password?: string;
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is_admin: number;
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created_at: string;
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}
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export interface Recipe {
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id: number;
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name: string;
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description: string;
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ingredients: string;
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steps: string;
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category: string;
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source: string;
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source_url: string | null;
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source_author: string | null;
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tiktok_url: string | null;
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tiktok_author: string | null;
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thumbnail_url: string | null;
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user_id: number | null;
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created_at: string;
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updated_at: string;
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}
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export interface InviteToken {
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id: number;
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token: string;
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created_by: number;
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used_by: number | null;
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created_at: string;
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used_at: string | null;
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used_by_username?: string | null;
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}
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function now(): string {
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return new Date().toISOString().replace('T', ' ').slice(0, 19);
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}
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export function getDb() {
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return db;
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}
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export function getAllRecipes(search?: string, category?: string, userId?: number | string): Recipe[] {
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let query = 'SELECT * FROM recipes WHERE 1=1';
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const params: (string | number)[] = [];
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if (search) {
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query += ' AND (LOWER(name) LIKE ? OR LOWER(description) LIKE ? OR LOWER(ingredients) LIKE ?)';
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const term = `%${search.toLowerCase()}%`;
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params.push(term, term, term);
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}
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if (category && category !== 'Alle') {
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query += ' AND category = ?';
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params.push(category);
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}
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if (userId) {
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query += ' AND user_id = ?';
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params.push(Number(userId));
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}
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query += ' ORDER BY created_at DESC';
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return db.prepare(query).all(...params) as Recipe[];
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}
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export function getRecipeById(id: number | string): Recipe | undefined {
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return db.prepare('SELECT * FROM recipes WHERE id = ?').get(Number(id)) as Recipe | undefined;
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}
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export function createRecipe(recipe: Partial<Recipe> & { ingredients?: any; steps?: any }): Recipe {
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const nowStr = now();
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const stmt = db.prepare(`
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INSERT INTO recipes (
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name, description, ingredients, steps, category,
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source, source_url, source_author, tiktok_url, tiktok_author,
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thumbnail_url, user_id, created_at, updated_at
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) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
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`);
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const info = stmt.run(
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recipe.name,
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recipe.description || '',
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typeof recipe.ingredients === 'string' ? recipe.ingredients : JSON.stringify(recipe.ingredients || []),
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typeof recipe.steps === 'string' ? recipe.steps : JSON.stringify(recipe.steps || []),
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recipe.category || 'Sonstiges',
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recipe.source || 'tiktok',
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recipe.source_url || recipe.tiktok_url || null,
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recipe.source_author || recipe.tiktok_author || null,
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recipe.tiktok_url || recipe.source_url || null,
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recipe.tiktok_author || recipe.source_author || null,
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recipe.thumbnail_url || null,
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recipe.user_id || null,
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nowStr,
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nowStr
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);
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return getRecipeById(info.lastInsertRowid as number)!;
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}
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export function updateRecipe(id: number | string, recipe: Partial<Recipe> & { ingredients?: any; steps?: any }): Recipe | undefined {
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const existing = getRecipeById(id);
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if (!existing) return undefined;
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const nowStr = now();
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const stmt = db.prepare(`
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UPDATE recipes SET
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name = ?, description = ?, ingredients = ?, steps = ?, category = ?,
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source = ?, source_url = ?, source_author = ?, tiktok_url = ?, tiktok_author = ?,
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thumbnail_url = ?, updated_at = ?
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WHERE id = ?
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`);
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stmt.run(
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recipe.name !== undefined ? recipe.name : existing.name,
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recipe.description !== undefined ? recipe.description : existing.description,
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recipe.ingredients !== undefined ? (typeof recipe.ingredients === 'string' ? recipe.ingredients : JSON.stringify(recipe.ingredients)) : existing.ingredients,
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recipe.steps !== undefined ? (typeof recipe.steps === 'string' ? recipe.steps : JSON.stringify(recipe.steps)) : existing.steps,
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recipe.category || existing.category,
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recipe.source || existing.source,
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recipe.source_url || recipe.tiktok_url || existing.source_url,
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recipe.source_author || recipe.tiktok_author || existing.source_author,
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recipe.tiktok_url || recipe.source_url || existing.tiktok_url,
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recipe.tiktok_author || recipe.source_author || existing.tiktok_author,
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recipe.thumbnail_url !== undefined ? recipe.thumbnail_url : existing.thumbnail_url,
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nowStr,
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Number(id)
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);
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return getRecipeById(id);
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}
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export function deleteRecipe(id: number | string): void {
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db.prepare('DELETE FROM recipes WHERE id = ?').run(Number(id));
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}
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export function getCategories(): { category: string; count: number }[] {
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return db.prepare(`
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SELECT category, COUNT(*) as count
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FROM recipes
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GROUP BY category
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ORDER BY count DESC
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`).all() as { category: string; count: number }[];
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}
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export function getUserByUsername(username: string): User | undefined {
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return db.prepare('SELECT * FROM users WHERE username = ?').get(username) as User | undefined;
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}
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export function getUserById(id: number | string): User | undefined {
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return db.prepare('SELECT * FROM users WHERE id = ?').get(Number(id)) as User | undefined;
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}
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export function createUser(username: string, hashedPassword: string, isAdmin: boolean = false): User {
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const nowStr = now();
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const stmt = db.prepare('INSERT INTO users (username, password, is_admin, created_at) VALUES (?, ?, ?, ?)');
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const info = stmt.run(username, hashedPassword, isAdmin ? 1 : 0, nowStr);
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return { id: info.lastInsertRowid as number, username, is_admin: isAdmin ? 1 : 0, created_at: nowStr };
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}
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export function updateUserCredentials(userId: number | string, { username, password }: { username?: string; password?: string }): User | null {
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const user = getUserById(userId);
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if (!user) return null;
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let query = 'UPDATE users SET ';
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const params: (string | number)[] = [];
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const updates: string[] = [];
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if (username) {
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updates.push('username = ?');
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params.push(username);
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}
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if (password) {
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updates.push('password = ?');
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params.push(password);
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}
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if (updates.length === 0) return { id: user.id, username: user.username, is_admin: user.is_admin, created_at: user.created_at };
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query += updates.join(', ') + ' WHERE id = ?';
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params.push(Number(userId));
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db.prepare(query).run(...params);
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return getUserById(userId) || null;
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}
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export function createInviteToken(token: string, createdBy: number | string): void {
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const nowStr = now();
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db.prepare('INSERT INTO invite_tokens (token, created_by, created_at) VALUES (?, ?, ?)').run(token, Number(createdBy), nowStr);
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}
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export function getInviteToken(token: string): InviteToken | undefined {
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return db.prepare('SELECT * FROM invite_tokens WHERE token = ?').get(token) as InviteToken | undefined;
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}
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export function useInviteToken(token: string, userId: number | string): void {
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const nowStr = now();
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db.prepare('UPDATE invite_tokens SET used_by = ?, used_at = ? WHERE token = ?').run(Number(userId), nowStr, token);
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}
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export function getInvitesByUser(userId: number | string): InviteToken[] {
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return db.prepare(`
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SELECT i.*, u.username as used_by_username
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FROM invite_tokens i
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LEFT JOIN users u ON i.used_by = u.id
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WHERE i.created_by = ?
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ORDER BY i.created_at DESC
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`).all(Number(userId)) as InviteToken[];
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}
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export function getAllUsers(): Omit<User, 'password'>[] {
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return db.prepare('SELECT id, username, is_admin, created_at FROM users ORDER BY created_at DESC').all() as Omit<User, 'password'>[];
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}
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export function deleteUser(id: number | string): boolean {
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const userId = Number(id);
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const user = getUserById(userId);
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if (!user) return false;
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const deleteTrans = db.transaction(() => {
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db.prepare('DELETE FROM users WHERE id = ?').run(userId);
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db.prepare('DELETE FROM invite_tokens WHERE created_by = ?').run(userId);
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});
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deleteTrans();
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return true;
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}
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export function getInviteStats(): { total: number; used: number; available: number } {
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const total = (db.prepare('SELECT COUNT(*) as count FROM invite_tokens').get() as { count: number }).count;
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const used = (db.prepare('SELECT COUNT(*) as count FROM invite_tokens WHERE used_by IS NOT NULL').get() as { count: number }).count;
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return { total, used, available: total - used };
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}
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