view app/models/wiki_content.rb @ 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.

require 'zlib'

class WikiContent < ActiveRecord::Base
  set_locking_column :version
  belongs_to :page, :class_name => 'WikiPage', :foreign_key => 'page_id'
  belongs_to :author, :class_name => 'User', :foreign_key => 'author_id'
  validates_presence_of :text
  validates_length_of :comments, :maximum => 255, :allow_nil => true

  acts_as_versioned

  def visible?(user=User.current)
    page.visible?(user)
  end

  def project
    page.project
  end

  def attachments
    page.nil? ? [] : page.attachments
  end

  # Returns the mail adresses of users that should be notified
  def recipients
    notified = project.notified_users
    notified.reject! {|user| !visible?(user)}
    notified.collect(&:mail)
  end

  # Return true if the content is the current page content
  def current_version?
    true
  end

  class Version
    belongs_to :page, :class_name => '::WikiPage', :foreign_key => 'page_id'
    belongs_to :author, :class_name => '::User', :foreign_key => 'author_id'
    attr_protected :data

    acts_as_event :title => Proc.new {|o| "#{l(:label_wiki_edit)}: #{o.page.title} (##{o.version})"},
                  :description => :comments,
                  :datetime => :updated_on,
                  :type => 'wiki-page',
                  :url => Proc.new {|o| {:controller => 'wiki', :action => 'show', :project_id => o.page.wiki.project, :id => o.page.title, :version => o.version}}

    acts_as_activity_provider :type => 'wiki_edits',
                              :timestamp => "#{WikiContent.versioned_table_name}.updated_on",
                              :author_key => "#{WikiContent.versioned_table_name}.author_id",
                              :permission => :view_wiki_edits,
                              :find_options => {:select => "#{WikiContent.versioned_table_name}.updated_on, #{WikiContent.versioned_table_name}.comments, " +
                                                           "#{WikiContent.versioned_table_name}.#{WikiContent.version_column}, #{WikiPage.table_name}.title, " +
                                                           "#{WikiContent.versioned_table_name}.page_id, #{WikiContent.versioned_table_name}.author_id, " +
                                                           "#{WikiContent.versioned_table_name}.id",
                                                :joins => "LEFT JOIN #{WikiPage.table_name} ON #{WikiPage.table_name}.id = #{WikiContent.versioned_table_name}.page_id " +
                                                          "LEFT JOIN #{Wiki.table_name} ON #{Wiki.table_name}.id = #{WikiPage.table_name}.wiki_id " +
                                                          "LEFT JOIN #{Project.table_name} ON #{Project.table_name}.id = #{Wiki.table_name}.project_id"}

    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'
        str = Zlib::Inflate.inflate(data)
        str.force_encoding("UTF-8") if str.respond_to?(:force_encoding)
        str
      else
        # uncompressed data
        data
      end
    end

    def project
      page.project
    end

    # Return true if the content is the current page content
    def current_version?
      page.content.version == self.version
    end

    # Returns the previous version or nil
    def previous
      @previous ||= WikiContent::Version.find(:first,
                                              :order => 'version DESC',
                                              :include => :author,
                                              :conditions => ["wiki_content_id = ? AND version < ?", wiki_content_id, version])
    end
  end
end