30 lines
996 B
TypeScript
30 lines
996 B
TypeScript
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import { one } from '../db.js';
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export type AppRole = 'admin' | 'moderator' | 'user';
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/** Reimplements public.has_role(uuid, app_role). */
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export async function hasRole(userId: string, role: AppRole): Promise<boolean> {
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const row = await one<{ exists: boolean }>(
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`SELECT EXISTS (SELECT 1 FROM public.user_roles WHERE user_id = $1 AND role = $2) AS exists`,
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[userId, role]
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);
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return !!row?.exists;
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}
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/** Reimplements public.get_user_role(uuid). Returns null if none. */
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export async function getUserRole(userId: string): Promise<AppRole | null> {
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const row = await one<{ role: AppRole }>(
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`SELECT role FROM public.user_roles WHERE user_id = $1 LIMIT 1`,
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[userId]
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);
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return row?.role ?? null;
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}
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/** Reimplements public.no_admin_exists(). */
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export async function noAdminExists(): Promise<boolean> {
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const row = await one<{ exists: boolean }>(
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`SELECT NOT EXISTS (SELECT 1 FROM public.user_roles WHERE role = 'admin') AS exists`
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);
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return !!row?.exists;
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}
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