foodsoft/app/models/user.rb

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# encoding: utf-8
require 'digest/sha1'
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# specific user rights through memberships (see Group)
class User < ActiveRecord::Base
include RailsSettings::Extend
#TODO: acts_as_paraniod ??
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has_many :memberships, :dependent => :destroy
has_many :groups, :through => :memberships
#has_one :ordergroup, :through => :memberships, :source => :group, :class_name => "Ordergroup"
def ordergroup
Ordergroup.joins(:memberships).where(memberships: {user_id: self.id}).first
end
has_many :workgroups, :through => :memberships, :source => :group, :class_name => "Workgroup"
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has_many :assignments, :dependent => :destroy
has_many :tasks, :through => :assignments
has_many :send_messages, :class_name => "Message", :foreign_key => "sender_id"
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has_many :pages, :foreign_key => 'updated_by'
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has_many :created_orders, :class_name => 'Order', :foreign_key => 'created_by_user_id', :dependent => :nullify
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attr_accessor :password, :settings_attributes
# makes the current_user (logged-in-user) available in models
cattr_accessor :current_user
validates_presence_of :nick, :email
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validates_presence_of :password, :on => :create
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validates_length_of :nick, :in => 2..25
validates_uniqueness_of :nick, :case_sensitive => false
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validates_format_of :email, :with => /^([^@\s]+)@((?:[-a-z0-9]+\.)+[a-z]{2,})$/i
validates_uniqueness_of :email, :case_sensitive => false
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validates_length_of :first_name, :in => 2..50
validates_confirmation_of :password
validates_length_of :password, :in => 5..25, :allow_blank => true
before_validation :set_password
after_initialize do
settings.defaults['profile'] = { 'language' => I18n.default_locale } unless settings.profile
settings.defaults['messages'] = { 'send_as_email' => true } unless settings.messages
settings.defaults['notify'] = { 'upcoming_tasks' => true } unless settings.notify
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end
after_save do
return if settings_attributes.nil?
settings_attributes.each do |key, value|
value.each do |k, v|
case v
when '1'
value[k] = true
when '0'
value[k] = false
end
end
self.settings.merge!(key, value)
end
end
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def locale
settings.profile['language']
end
def name
[first_name, last_name].join(" ")
end
def receive_email?
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settings.messages['send_as_email'] == "1" && email.present?
end
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# Sets the user's password. It will be stored encrypted along with a random salt.
def set_password
unless password.blank?
salt = [Array.new(6){rand(256).chr}.join].pack("m").chomp
self.password_hash, self.password_salt = Digest::SHA1.hexdigest(password + salt), salt
end
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end
# Returns true if the password argument matches the user's password.
def has_password(password)
Digest::SHA1.hexdigest(password + self.password_salt) == self.password_hash
end
# Returns a random password.
def new_random_password(size = 3)
c = %w(b c d f g h j k l m n p qu r s t v w x z ch cr fr nd ng nk nt ph pr rd sh sl sp st th tr)
v = %w(a e i o u y)
f, r = true, ''
(size * 2).times do
r << (f ? c[rand * c.size] : v[rand * v.size])
f = !f
end
r
end
# Checks the admin role
def role_admin?
groups.detect {|group| group.role_admin?}
end
# Checks the finance role
def role_finance?
groups.detect {|group| group.role_finance?}
end
# Checks the article_meta role
def role_article_meta?
groups.detect {|group| group.role_article_meta?}
end
# Checks the suppliers role
def role_suppliers?
groups.detect {|group| group.role_suppliers?}
end
# Checks the orders role
def role_orders?
groups.detect {|group| group.role_orders?}
end
def ordergroup_name
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ordergroup ? ordergroup.name : I18n.t('model.user.no_ordergroup')
end
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# returns true if user is a member of a given group
def member_of?(group)
group.users.exists?(self.id)
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end
#Returns an array with the users groups (but without the Ordergroups -> because tpye=>"")
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def member_of_groups()
self.groups.find(:all, :conditions => {:type => ""})
end
def self.authenticate(nick, password)
user = find_by_nick(nick)
if user && user.has_password(password)
user
else
nil
end
end
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def token_attributes
{:id => id, :name => "#{nick} (#{ordergroup.try(:name)})"}
end
end