From 7707457145442d6177ce57c956dbe09af65df1b4 Mon Sep 17 00:00:00 2001
From: Jean-Philippe Lang <jp_lang@yahoo.fr>
Date: Sat, 12 Sep 2009 08:36:46 +0000
Subject: User groups branch merged.

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@2869 e93f8b46-1217-0410-a6f0-8f06a7374b81
---
 app/models/member.rb | 38 ++++++++++++++++++++++++--------------
 1 file changed, 24 insertions(+), 14 deletions(-)

(limited to 'app/models/member.rb')

diff --git a/app/models/member.rb b/app/models/member.rb
index 2dc91cba7..6fffb2161 100644
--- a/app/models/member.rb
+++ b/app/models/member.rb
@@ -17,40 +17,50 @@
 
 class Member < ActiveRecord::Base
   belongs_to :user
-  has_many :member_roles, :dependent => :delete_all
+  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 :user, :project
+  validates_presence_of :principal, :project
   validates_uniqueness_of :user_id, :scope => :project_id
   
   def name
     self.user.name
   end
   
-  # Sets user by login
-  def user_login=(login)
-    login = login.to_s
-    unless login.blank?
-      if (u = User.find_by_login(login))
-        self.user = u
-      end
-    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.select {|mr| !ids.include?(mr.role_id)}.each(&:destroy)
   end
   
   def <=>(member)
     a, b = roles.sort.first, member.roles.sort.first
-    a == b ? (user <=> member.user) : (a <=> b)
+    a == b ? (principal <=> member.principal) : (a <=> b)
+  end
+  
+  def deletable?
+    member_roles.detect {|mr| mr.inherited_from}.nil?
   end
   
   def before_destroy
-    # 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]
+    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
   
   protected
   
   def validate
-    errors.add_to_base "Role can't be blank" if roles.empty?
+    errors.add_to_base "Role can't be blank" if member_roles.empty? && roles.empty?
   end
 end
-- 
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