modern/src/common/util/permissions.js


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import { useSelector } from 'react-redux';

export const useAdministrator = () => useSelector((state) => {
  const admin = state.session.user.administrator;
  return admin;
});

export const useManager = () => useSelector((state) => {
  const admin = state.session.user.administrator;
  const manager = (state.session.user.userLimit || 0) > 0;
  return admin || manager;
});

export const useReadonly = () => useSelector((state) => {
  const admin = state.session.user.administrator;
  const serverReadonly = state.session.server.readonly;
  const userReadonly = state.session.user.readonly;
  return !admin && (serverReadonly || userReadonly);
});

export const useDeviceReadonly = () => useSelector((state) => {
  const admin = state.session.user.administrator;
  const serverReadonly = state.session.server.readonly;
  const userReadonly = state.session.user.readonly;
  const serverDeviceReadonly = state.session.server.deviceReadonly;
  const userDeviceReadonly = state.session.user.deviceReadonly;
  return !admin && (serverReadonly || userReadonly || serverDeviceReadonly || userDeviceReadonly);
});