wiki branch merged into trunk

git-svn-id: http://redmine.rubyforge.org/svn/trunk@323 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/models/project.rb

@@ -26,13 +26,14 @@ class Project < ActiveRecord::Base
   has_many :news, :dependent => :delete_all, :include => :author
   has_many :issue_categories, :dependent => :delete_all, :order => "issue_categories.name"
   has_one :repository, :dependent => :destroy
+  has_one :wiki, :dependent => :destroy
   has_and_belongs_to_many :custom_fields, :class_name => 'IssueCustomField', :join_table => 'custom_fields_projects', :association_foreign_key => 'custom_field_id'
   acts_as_tree :order => "name", :counter_cache => true
 
   validates_presence_of :name, :description
   validates_uniqueness_of :name
   validates_associated :custom_values, :on => :update
-  validates_associated :repository
+  validates_associated :repository, :wiki
   validates_format_of :name, :with => /^[\w\s\'\-]*$/i
 
   # returns latest created projects

app/models/wiki.rb

@@ -0,0 +1,44 @@
+# 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 Wiki < ActiveRecord::Base
+  belongs_to :project
+  has_many :pages, :class_name => 'WikiPage', :dependent => :destroy
+  
+  validates_presence_of :project_id, :start_page
+  
+  # find the page with the given title
+  # if page doesn't exist, return a new page
+  def find_or_new_page(title)
+    title = Wiki.titleize(title || start_page)
+    find_page(title) || WikiPage.new(:wiki => self, :title => title)  
+  end
+  
+  # find the page with the given title
+  def find_page(title)
+    pages.find_by_title(Wiki.titleize(title || start_page))
+  end
+  
+  # turn a string into a valid page title
+  def self.titleize(title)
+    # replace spaces with _ and remove unwanted caracters
+    title = title.gsub(/\s+/, '_').delete(',;|') if title
+    # upcase the first letter
+    title = title[0..0].upcase + title[1..-1] if title
+    title
+  end  
+end

app/models/wiki_content.rb

@@ -0,0 +1,58 @@
+# 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.
+
+require 'zlib'
+
+class WikiContent < ActiveRecord::Base
+  belongs_to :page, :class_name => 'WikiPage', :foreign_key => 'page_id'
+  belongs_to :author, :class_name => 'User', :foreign_key => 'author_id'
+  validates_presence_of :text
+  
+  acts_as_versioned
+  class Version
+    belongs_to :author, :class_name => 'User', :foreign_key => 'author_id'
+    attr_protected :data
+    
+    def text=(plain)
+      case Setting.wiki_compression
+      when 'gzip'
+      begin
+        self.data = Zlib::Deflate.deflate(plain, Zlib::BEST_COMPRESSION)
+        self.compression = 'gzip'
+      rescue
+        self.data = plain
+        self.compression = ''
+      end
+      else
+        self.data = plain
+        self.compression = ''
+      end
+      plain
+    end
+    
+    def text
+      @text ||= case compression
+      when 'gzip'
+         Zlib::Inflate.inflate(data)
+      else
+        # uncompressed data
+        data
+      end      
+    end
+  end
+  
+end

app/models/wiki_page.rb

@@ -0,0 +1,34 @@
+# 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 WikiPage < ActiveRecord::Base
+  belongs_to :wiki
+  has_one :content, :class_name => 'WikiContent', :foreign_key => 'page_id', :dependent => :destroy
+  
+  validates_presence_of :title
+  validates_format_of :title, :with => /^[^,\s]*$/
+  validates_uniqueness_of :title, :scope => :wiki_id, :case_sensitive => false
+  validates_associated :content
+  
+  def before_save
+    self.title = Wiki.titleize(title)
+  end
+  
+  def pretty_title
+    title.tr '_', ' '
+  end
+end