Files
vikunja/pkg/models/permissions.go
2025-08-13 11:05:05 +02:00

76 lines
2.0 KiB
Go

// Vikunja is a to-do list application to facilitate your life.
// Copyright 2018-present Vikunja and contributors. All rights reserved.
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.
package models
import (
"encoding/json"
"fmt"
"strconv"
)
// Permission defines the permissions users/teams can have for projects
type Permission int
// define unknown permission
const (
PermissionUnknown = -1
// Can read projects in a
PermissionRead Permission = iota - 1
// Can write in a like projects and tasks. Cannot create new projects.
PermissionWrite
// Can manage a project, can do everything
PermissionAdmin
)
func (r Permission) isValid() error {
if r != PermissionAdmin && r != PermissionRead && r != PermissionWrite {
return ErrInvalidPermission{r}
}
return nil
}
// MarshalJSON marshals the enum as a quoted json string
func (r Permission) MarshalJSON() ([]byte, error) {
if r == PermissionUnknown {
return []byte(`null`), nil
}
return []byte(strconv.Itoa(int(r))), nil
}
// UnmarshalJSON unmarshals a quoted json string to the enum value
func (r *Permission) UnmarshalJSON(data []byte) error {
var s int
if err := json.Unmarshal(data, &s); err != nil {
return err
}
switch s {
case -1:
*r = PermissionUnknown
case 0:
*r = PermissionRead
case 1:
*r = PermissionWrite
case 2:
*r = PermissionAdmin
default:
return fmt.Errorf("invalid Permission %q", s)
}
return nil
}