User groups feature initial commit.

git-svn-id: http://redmine.rubyforge.org/svn/branches/work@1373 e93f8b46-1217-0410-a6f0-8f06a7374b81

groups/app/models/group.rb

@@ -0,0 +1,39 @@
+# redMine - project management software
+# Copyright (C) 2008  FreeCode
+#
+# 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 Group < ActiveRecord::Base
+  
+  has_many :users, :dependent => :nullify
+  has_many :memberships, :class_name => 'Member', :as => :principal, :dependent => :destroy
+  has_many :members, :as => :principal,
+                     :include => [ :project, :role ],
+                     :conditions => "#{Project.table_name}.status=#{Project::STATUS_ACTIVE}",
+                     :order => "#{Project.table_name}.name"
+  has_many :custom_values, :dependent => :delete_all, :as => :customized
+    
+  validates_presence_of :name
+  validates_uniqueness_of :name
+  validates_length_of :name, :maximum => 30
+  
+  def <=>(group)
+    name <=> group.name
+  end
+  
+  def to_s
+    name
+  end
+end

groups/app/models/group_custom_field.rb

@@ -0,0 +1,22 @@
+# redMine - project management software
+# Copyright (C) 2008  FreeCode
+#
+# 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 GroupCustomField < CustomField
+  def type_name
+    :label_group_plural
+  end
+end

groups/app/models/member.rb

@@ -16,27 +16,52 @@
 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 
 class Member < ActiveRecord::Base
-  belongs_to :user
-  belongs_to :role
   belongs_to :project
+  belongs_to :role
+  belongs_to :principal, :polymorphic => true
+  belongs_to :user, :foreign_key => 'principal_id'
 
-  validates_presence_of :role, :user, :project
-  validates_uniqueness_of :user_id, :scope => :project_id
-
+  attr_protected :inherited_from
+  
+  validates_presence_of :project, :role, :principal
+  validates_uniqueness_of :principal_id, :scope => [:project_id, :principal_type, :inherited_from]
+  
   def validate
     errors.add :role_id, :activerecord_error_invalid if role && !role.member?
   end
   
   def name
-    self.user.name
+    principal.name
   end
   
+  # Groups sorted by role then users sorted by role
   def <=>(member)
-    role == member.role ? (user <=> member.user) : (role <=> member.role)
+    principal_type == member.principal_type ?
+      (role == member.role ? principal <=> member.principal : role <=> member.role) :
+      (principal_type <=> member.principal_type)
+  end
+  
+  def to_s
+    principal.to_s
+  end
+  
+  def after_save
+    # Update memberships based on group inheritance
+    if principal.is_a? Group
+      Member.delete_all "inherited_from = #{id}"
+      principal.users.each do |user|
+        Member.create! :project => project, :role => role, :principal => user, :inherited_from => id
+      end
+    end
   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]
+    # Remove inherited memberships
+    Member.delete_all "inherited_from = #{id}"
+    
+    # Remove category based auto assignments for this member
+    if principal.is_a? User
+      IssueCategory.update_all "assigned_to_id = NULL", ["project_id = ? AND assigned_to_id = ?", project_id, principal_id]
+    end
   end
 end

groups/app/models/project.rb

@@ -20,8 +20,9 @@ class Project < ActiveRecord::Base
   STATUS_ACTIVE     = 1
   STATUS_ARCHIVED   = 9
   
-  has_many :members, :include => :user, :conditions => "#{User.table_name}.status=#{User::STATUS_ACTIVE}"
-  has_many :users, :through => :members
+  has_many :members, :include => :user, :conditions => "#{Member.table_name}.principal_type='User' AND #{User.table_name}.status=#{User::STATUS_ACTIVE}"
+  has_many :memberships, :class_name => 'Member'
+  has_many :users, :through => :members, :uniq => true
   has_many :custom_values, :dependent => :delete_all, :as => :customized
   has_many :enabled_modules, :dependent => :delete_all
   has_and_belongs_to_many :trackers, :order => "#{Tracker.table_name}.position"

groups/app/models/user.rb

@@ -35,18 +35,25 @@ class User < ActiveRecord::Base
     :username => '#{login}'
   }
 
-  has_many :memberships, :class_name => 'Member', :include => [ :project, :role ], :conditions => "#{Project.table_name}.status=#{Project::STATUS_ACTIVE}", :order => "#{Project.table_name}.name", :dependent => :delete_all
+  has_many :memberships, :class_name => 'Member',
+                         :as => :principal,
+                         :include => [ :project, :role ],
+                         :conditions => "#{Project.table_name}.status=#{Project::STATUS_ACTIVE}",
+                         :order => "#{Project.table_name}.name, inherited_from ASC",
+                         :dependent => :delete_all
+                         
   has_many :projects, :through => :memberships
   has_many :custom_values, :dependent => :delete_all, :as => :customized
   has_many :issue_categories, :foreign_key => 'assigned_to_id', :dependent => :nullify
   has_one :preference, :dependent => :destroy, :class_name => 'UserPreference'
   has_one :rss_token, :dependent => :destroy, :class_name => 'Token', :conditions => "action='feeds'"
   belongs_to :auth_source
+  belongs_to :group
   
   attr_accessor :password, :password_confirmation
   attr_accessor :last_before_login_on
   # Prevents unauthorized assignments
-  attr_protected :login, :admin, :password, :password_confirmation, :hashed_password
+  attr_protected :login, :admin, :password, :password_confirmation, :hashed_password, :group_id
 	
   validates_presence_of :login, :firstname, :lastname, :mail, :if => Proc.new { |user| !user.is_a?(AnonymousUser) }
   validates_uniqueness_of :login, :if => Proc.new { |user| !user.login.blank? }
@@ -71,6 +78,23 @@ class User < ActiveRecord::Base
     # update hashed_password if password was set
     self.hashed_password = User.hash_password(self.password) if self.password
   end
+  
+  def after_save
+    if @group_changed
+      # Update inherited memberships
+      Member.delete_all "principal_type = 'User' AND principal_id = #{id} AND inherited_from IS NOT NULL"
+      unless group.nil?
+        group.memberships.each do |m|
+          Member.create! :project => m.project, :role => m.role, :principal => self, :inherited_from => m.id
+        end
+      end
+    end
+  end
+  
+  def group_id=(gid)
+    @group_changed = true unless gid == group_id
+    write_attribute(:group_id, gid)
+  end
 
   def self.active
     with_scope :find => { :conditions => [ "status = ?", STATUS_ACTIVE ] } do 
@@ -167,8 +191,8 @@ class User < ActiveRecord::Base
   end
   
   def notified_project_ids=(ids)
-    Member.update_all("mail_notification = #{connection.quoted_false}", ['user_id = ?', id])
-    Member.update_all("mail_notification = #{connection.quoted_true}", ['user_id = ? AND project_id IN (?)', id, ids]) if ids && !ids.empty?
+    Member.update_all("mail_notification = #{connection.quoted_false}", ["principal_type = 'User' AND principal_id = ?", id])
+    Member.update_all("mail_notification = #{connection.quoted_true}", ["principal_type = 'User' AND principal_id = ? AND project_id IN (?)", id, ids]) if ids && !ids.empty?
     @notified_projects_ids = nil
     notified_projects_ids
   end