cafe-grader-web

Location: cafe-grader-web/app/models/user.rb

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Commit Description:
added problem_name to TestRequest and moved name_of to protected...
Commit Description:
added problem_name to TestRequest and moved name_of to protected git-svn-id: http://theory.cpe.ku.ac.th/grader/web/trunk@88 6386c4cd-e34a-4fa8-8920-d93eb39b512e
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r40:b5c26b86e7d2 default
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app/models/user.rb | 76 lines | 1.5 KiB | text/x-ruby | RubyLexer |
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require 'digest/sha1'
class User < ActiveRecord::Base
has_and_belongs_to_many :roles
has_many :test_requests, :order => "problem_id"
validates_presence_of :login
validates_presence_of :full_name
validates_length_of :full_name, :minimum => 1
validates_presence_of :password, :if => :password_required?
validates_length_of :password, :within => 4..20, :if => :password_required?
validates_confirmation_of :password, :if => :password_required?
attr_accessor :password
before_save :encrypt_new_password
def self.authenticate(login, password)
user = find_by_login(login)
return user if user && user.authenticated?(password)
end
def authenticated?(password)
hashed_password == encrypt(password,salt)
end
def admin?
self.roles.detect {|r| r.name == 'admin' }
end
def email_for_editing
if self.email==nil
"(unknown)"
elsif self.email==''
"(blank)"
else
self.email
end
end
def email_for_editing=(e)
self.email=e
end
def alias_for_editing
if self.alias==nil
"(unknown)"
elsif self.alias==''
"(blank)"
else
self.alias
end
end
def alias_for_editing=(e)
self.alias=e
end
protected
def encrypt_new_password
return if password.blank?
self.salt = (10+rand(90)).to_s
self.hashed_password = encrypt(password,salt)
end
def password_required?
hashed_password.blank? || !password.blank?
end
def encrypt(string,salt)
Digest::SHA1.hexdigest(salt + string)
end
end