introduce zod schemas

src/lib/schemas/user.ts

@@ -0,0 +1,69 @@
+import * as z from 'zod';
+
+export const permissionSchema = z.object({
+	id: z.uuid(),
+	name: z.string()
+});
+
+export type Permission = z.infer<typeof permissionSchema>;
+
+export const roleSchema = z.object({
+	id: z.uuid(),
+	name: z.string(),
+	permissions: z.array(permissionSchema)
+});
+
+export type Role = z.infer<typeof roleSchema>;
+
+export const userSchema = z.object({
+	id: z.uuid(),
+	username: z.string(),
+	role_id: z.uuid(),
+	role: roleSchema
+});
+
+export type User = z.infer<typeof userSchema>;
+
+export const userCreateSchema = z.object({
+	username: z
+		.string()
+		.min(1, 'Username is required')
+		.max(50, 'Username must be at most 50 characters'),
+	password: z
+		.string()
+		.min(6, 'Password must be at least 6 characters')
+		.max(100, 'Password must be at most 100 characters'),
+	role: z.string().min(1, 'Role is required')
+});
+
+export type UserCreate = z.infer<typeof userCreateSchema>;
+
+export const loginSchema = z.object({
+	username: z.string().min(1, 'Username is required'),
+	password: z.string().min(1, 'Password is required')
+});
+
+export type Login = z.infer<typeof loginSchema>;
+
+export const loginTokenSchema = z.object({
+	token: z.string().min(1)
+});
+
+export type LoginTokenResponse = z.infer<typeof loginTokenSchema>;
+
+export const loginResponseSchema = loginTokenSchema.extend({
+	user: userSchema
+});
+
+export type LoginResponse = z.infer<typeof loginResponseSchema>;
+
+export function hasPermission(user: User | null, permission: string): boolean {
+	if (!user || !user.role || !user.role.permissions) {
+		return false;
+	}
+
+	if (user.role.name === 'Super Admin') {
+		return true;
+	}
+	return user.role.permissions.some((p) => p.name === permission);
+}