mentorenwahl/docker/backend/src/backend/db/user.cr
Dominic Grimm 3a19d1d8db
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Fixed file license headers
2022-03-07 14:06:02 +01:00

87 lines
2.2 KiB
Crystal

# Mentorenwahl: A fullstack application for assigning mentors to students based on their whishes.
# Copyright (C) 2022 Dominic Grimm
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
module Backend
module Db
# User model
class User < Granite::Base
table users
# LDAP user data
getter ldap : Ldap::User?
has_one :teacher
has_one :student
# User's ID
column id : Int64, primary: true
# User's LDAP username
column username : String
# User's role
column role : String
# User is admin
column admin : Bool = false
# User's first name
def first_name : String
refresh_ldap.first_name
end
# User's last name
def last_name : String
refresh_ldap.last_name
end
# User's full name
def name : String
"#{first_name} #{last_name}"
end
# User's email
def email : String
refresh_ldap.email
end
# Refreshes LDAP user data
def refresh_ldap : Ldap::User
(@ldap ||= Ldap::User.from_json(Redis::CLIENT.get("ldap:user:#{@id}").as(String))).not_nil!
end
validate :role, "needs to be a valid role" do |user|
UserRole.parse(user.role).in?(UserRole.values)
end
validate :role, "user external needs to be a valid role" do |user|
if user.teacher.nil? && user.student.nil?
true
else
!!case UserRole.parse(user.role)
when .teacher?
user.teacher && user.student.nil?
when .student?
user.teacher.nil? && user.student
else
false
end
end
end
end
end
end