api/models/users/ensure.go

package users

import (
	"git.aiterp.net/rpdata/api/models"
	"github.com/globalsign/mgo"
)

// Ensure finds a user by id, or makes a new one.
func Ensure(id string) (models.User, error) {
	user := models.User{}
	err := collection.FindId(id).One(&user)

	if err == mgo.ErrNotFound {
		user = models.User{
			ID:   id,
			Nick: "",
			Permissions: []string{
				"member",
				"log.edit",
				"post.edit",
				"post.move",
				"file.upload",
			},
		}

		err := collection.Insert(user)
		if err != nil {
			return models.User{}, err
		}
	}

	return user, err
}