// app/middleware/casbin.ts
import { authz } from '@zcong/egg-casbin'

export default authz

// {app_root}/config/config.default.ts
// ...
class MyAuthorizer extends DefaultAuthorizer {
  // override function
  getUserName(ctx: Context): string {
    return ctx.user.username
  }
}

config.casbin = {
  enable: true,
  newEnforcer: async() => {
    const enforcer = await newEnforcer(`${__dirname}/authz_model.conf`, `${__dirname}/authz_policy.csv`)
    return enforcer
  },
  authorizer: MyAuthorizer,
}