多用户角色环回

// commands/add_roles.js

let app = require('../server/server')

function createRole(name, description, done) {
  app.models.Role.findOrCreate(
    {where: {name: name}}, 
    {name, description},
    err => {
      // TODO handle error
      
      done && done()
    }
  )  
}

createRole('administrator', 'Administrators have more control on the data', () => {
  createRole('servicer', 'servicer description', process.exit)
})

app.models.Role.findOne({where: {name: 'administrator'}}, (err, role) => {
  // TODO handle error

  app.models.RoleMapping.findOrCreate({where: {principalId: user.id}}, {
    roleId: role.id,
    principalType: RoleMapping.USER,
    principalId: user.id
  }, function (err) {
    // TODO handle error
      
    // if no errors, user has now the role administrator
  })
})