view .svn/pristine/c8/c8702ef29ff3c16a1b898e52dd1bebfb9737ece6.svn-base @ 1082:997f6d7738f7 bug_531

In repo controller entry action, show the page for the file even if it's binary (so user still has access to history etc links). This makes it possible to use the entry action as the default when a file is clicked on

# Redmine - project management software
# Copyright (C) 2006-2011  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 Member < ActiveRecord::Base
  belongs_to :user
  belongs_to :principal, :foreign_key => 'user_id'
  has_many :member_roles, :dependent => :destroy
  has_many :roles, :through => :member_roles
  belongs_to :project

  validates_presence_of :principal, :project
  validates_uniqueness_of :user_id, :scope => :project_id

  after_destroy :unwatch_from_permission_change

  def name
    self.user.name
  end

  alias :base_role_ids= :role_ids=
  def role_ids=(arg)
    ids = (arg || []).collect(&:to_i) - [0]
    # Keep inherited roles
    ids += member_roles.select {|mr| !mr.inherited_from.nil?}.collect(&:role_id)

    new_role_ids = ids - role_ids
    # Add new roles
    new_role_ids.each {|id| member_roles << MemberRole.new(:role_id => id) }
    # Remove roles (Rails' #role_ids= will not trigger MemberRole#on_destroy)
    member_roles_to_destroy = member_roles.select {|mr| !ids.include?(mr.role_id)}
    if member_roles_to_destroy.any?
      member_roles_to_destroy.each(&:destroy)
      unwatch_from_permission_change
    end
  end

  def <=>(member)
    a, b = roles.sort.first, member.roles.sort.first
    a == b ? (principal <=> member.principal) : (a <=> b)
  end

  def deletable?
    member_roles.detect {|mr| mr.inherited_from}.nil?
  end

  def include?(user)
    if principal.is_a?(Group)
      !user.nil? && user.groups.include?(principal)
    else
      self.user == user
    end
  end

  def before_destroy
    if user
      # remove category based auto assignments for this member
      IssueCategory.update_all "assigned_to_id = NULL", ["project_id = ? AND assigned_to_id = ?", project.id, user.id]
    end
  end

  # Find or initilize a Member with an id, attributes, and for a Principal
  def self.edit_membership(id, new_attributes, principal=nil)
    @membership = id.present? ? Member.find(id) : Member.new(:principal => principal)
    @membership.attributes = new_attributes
    @membership
  end

  protected

  def validate
    errors.add_on_empty :role if member_roles.empty? && roles.empty?
  end

  private

  # Unwatch things that the user is no longer allowed to view inside project
  def unwatch_from_permission_change
    if user
      Watcher.prune(:user => user, :project => project)
    end
  end
end