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# Redmine - project management software

# Copyright (C) 2006-2009  Jean-Philippe Lang

#

# 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 2

# 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, write to the Free Software

# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

class Principal < ActiveRecord::Base

  set_table_name "#{table_name_prefix}users#{table_name_suffix}"

  has_many :members, :foreign_key => 'user_id', :dependent => :destroy

  has_many :memberships, :class_name => 'Member', :foreign_key => 'user_id', :include => [ :project, :roles ], :conditions => "#{Project.table_name}.status=#{Project::STATUS_ACTIVE}", :order => "#{Project.table_name}.name"

  has_many :projects, :through => :memberships

  # Groups and active users

  named_scope :active, :conditions => "#{Principal.table_name}.type='Group' OR (#{Principal.table_name}.type='User' AND #{Principal.table_name}.status = 1)"

  named_scope :like, lambda {|q| 

    s = "%#{q.to_s.strip.downcase}%"

    {:conditions => ["LOWER(login) LIKE :s OR LOWER(firstname) LIKE :s OR LOWER(lastname) LIKE :s OR LOWER(mail) LIKE :s", {:s => s}],

     :order => 'type, login, lastname, firstname, mail'

    }

  }

  before_create :set_default_empty_values

  def name(formatter = nil)

    to_s

  end

  def <=>(principal)

    if self.class.name == principal.class.name

      self.to_s.downcase <=> principal.to_s.downcase

    else

      # groups after users

      principal.class.name <=> self.class.name

    end

  end

  protected

  # Make sure we don't try to insert NULL values (see #4632)

  def set_default_empty_values

    self.login ||= ''

    self.hashed_password ||= ''

    self.firstname ||= ''

    self.lastname ||= ''

    self.mail ||= ''

    true

  end

end