Per project forums added.

Permissions for forums management can be set in "Admin -> Roles & Permissions".
Forums can be created on the project settings screen ("Forums" tab).
Once a project has a forum, a "Forums" link appears in the project menu.
For now, posting messages in forums requires to be logged in. Files can be attached to messages.

git-svn-id: http://redmine.rubyforge.org/svn/trunk@529 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/models/board.rb

@@ -0,0 +1,28 @@
+# redMine - project management software
+# Copyright (C) 2006-2007  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 Board < ActiveRecord::Base
+  belongs_to :project
+  has_many :topics, :class_name => 'Message', :conditions => "#{Message.table_name}.parent_id IS NULL", :order => "#{Message.table_name}.created_on DESC"
+  has_many :messages, :dependent => :delete_all, :order => "#{Message.table_name}.created_on DESC"
+  belongs_to :last_message, :class_name => 'Message', :foreign_key => :last_message_id
+  acts_as_list :scope => :project_id
+  
+  validates_presence_of :name, :description
+  validates_length_of :name, :maximum => 30
+  validates_length_of :description, :maximum => 255
+end

app/models/message.rb

@@ -0,0 +1,37 @@
+# redMine - project management software
+# Copyright (C) 2006-2007  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 Message < ActiveRecord::Base
+  belongs_to :board
+  belongs_to :author, :class_name => 'User', :foreign_key => 'author_id'
+  acts_as_tree :counter_cache => :replies_count, :order => "#{Message.table_name}.created_on ASC"
+  has_many :attachments, :as => :container, :dependent => :destroy
+  belongs_to :last_reply, :class_name => 'Message', :foreign_key => 'last_reply_id'
+  
+  validates_presence_of :subject, :content
+  validates_length_of :subject, :maximum => 255
+  
+  def after_create
+    board.update_attribute(:last_message_id, self.id)
+    board.increment! :messages_count
+    if parent
+      parent.reload.update_attribute(:last_reply_id, self.id)
+    else
+      board.increment! :topics_count
+    end
+  end
+end

app/models/permission.rb

@@ -31,7 +31,8 @@ class Permission < ActiveRecord::Base
     1200 => :label_document_plural,
     1300 => :label_attachment_plural,
     1400 => :label_repository,
-    1500 => :label_time_tracking
+    1500 => :label_time_tracking,
+    2000 => :label_board_plural
   }.freeze
   
   @@cached_perms_for_public = nil

app/models/project.rb

@@ -26,6 +26,7 @@ class Project < ActiveRecord::Base
   has_many :documents, :dependent => :destroy
   has_many :news, :dependent => :delete_all, :include => :author
   has_many :issue_categories, :dependent => :delete_all, :order => "#{IssueCategory.table_name}.name"
+  has_many :boards, :order => "position ASC"
   has_one :repository, :dependent => :destroy
   has_one :wiki, :dependent => :destroy
   has_and_belongs_to_many :custom_fields, :class_name => 'IssueCustomField', :join_table => "#{table_name_prefix}custom_fields_projects#{table_name_suffix}", :association_foreign_key => 'custom_field_id'