jro_apps/redmine Commit - r7318:e16d20f1b47f

Rails3: model: replace deprecated 'before_save' method at WikiPage model...

Toshi MARUYAMA -

r7318:e16d20f1b47f

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r7318:e16d20f1b47f

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app/models/wiki_page.rb +2 -1

              # 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 'diff'
              require 'enumerator'
              class WikiPage < ActiveRecord::Base
                belongs_to :wiki
                has_one :content, :class_name => 'WikiContent', :foreign_key => 'page_id', :dependent => :destroy
                acts_as_attachable :delete_permission => :delete_wiki_pages_attachments
                acts_as_tree :dependent => :nullify, :order => 'title'
                acts_as_watchable
                acts_as_event :title => Proc.new {|o| "#{l(:label_wiki)}: #{o.title}"},
                              :description => :text,
                              :datetime => :created_on,
                              :url => Proc.new {|o| {:controller => 'wiki', :action => 'show', :project_id => o.wiki.project, :id => o.title}}
                acts_as_searchable :columns => ['title', 'text'],
                                   :include => [{:wiki => :project}, :content],
                                   :permission => :view_wiki_pages,
                                   :project_key => "#{Wiki.table_name}.project_id"
                attr_accessor :redirect_existing_links
                validates_presence_of :title
                validates_format_of :title, :with => /^[^,\.\/\?\;\|\s]*$/
                validates_uniqueness_of :title, :scope => :wiki_id, :case_sensitive => false
                validates_associated :content
                validate :validate_parent_title
                before_destroy :remove_redirects
+               before_save    :handle_redirects
                # eager load information about last updates, without loading text
                named_scope :with_updated_on, {
                  :select => "#{WikiPage.table_name}.*, #{WikiContent.table_name}.updated_on",
                  :joins => "LEFT JOIN #{WikiContent.table_name} ON #{WikiContent.table_name}.page_id = #{WikiPage.table_name}.id"
                }
                # Wiki pages that are protected by default
                DEFAULT_PROTECTED_PAGES = %w(sidebar)
                def after_initialize
                  if new_record? && DEFAULT_PROTECTED_PAGES.include?(title.to_s.downcase)
                    self.protected = true
                  end
                end
                def visible?(user=User.current)
                  !user.nil? && user.allowed_to?(:view_wiki_pages, project)
                end
                def title=(value)
                  value = Wiki.titleize(value)
                  @previous_title = read_attribute(:title) if @previous_title.blank?
                  write_attribute(:title, value)
                end
-               def before_save
+               def handle_redirects
                  self.title = Wiki.titleize(title)
                  # Manage redirects if the title has changed
                  if !@previous_title.blank? && (@previous_title != title) && !new_record?
                    # Update redirects that point to the old title
                    wiki.redirects.find_all_by_redirects_to(@previous_title).each do |r|
                      r.redirects_to = title
                      r.title == r.redirects_to ? r.destroy : r.save
                    end
                    # Remove redirects for the new title
                    wiki.redirects.find_all_by_title(title).each(&:destroy)
                    # Create a redirect to the new title
                    wiki.redirects << WikiRedirect.new(:title => @previous_title, :redirects_to => title) unless redirect_existing_links == "0"
                    @previous_title = nil
                  end
                end
                def remove_redirects
                  # Remove redirects to this page
                  wiki.redirects.find_all_by_redirects_to(title).each(&:destroy)
                end
                def pretty_title
                  WikiPage.pretty_title(title)
                end
                def content_for_version(version=nil)
                  result = content.versions.find_by_version(version.to_i) if version
                  result ||= content
                  result
                end
                def diff(version_to=nil, version_from=nil)
                  version_to = version_to ? version_to.to_i : self.content.version
                  version_from = version_from ? version_from.to_i : version_to - 1
                  version_to, version_from = version_from, version_to unless version_from < version_to
                  content_to = content.versions.find_by_version(version_to)
                  content_from = content.versions.find_by_version(version_from)
                  (content_to && content_from) ? WikiDiff.new(content_to, content_from) : nil
                end
                def annotate(version=nil)
                  version = version ? version.to_i : self.content.version
                  c = content.versions.find_by_version(version)
                  c ? WikiAnnotate.new(c) : nil
                end
                def self.pretty_title(str)
                  (str && str.is_a?(String)) ? str.tr('_', ' ') : str
                end
                def project
                  wiki.project
                end
                def text
                  content.text if content
                end
                def updated_on
                  unless @updated_on
                    if time = read_attribute(:updated_on)
                      # content updated_on was eager loaded with the page
                      @updated_on = Time.parse(time) rescue nil
                    else
                      @updated_on = content && content.updated_on
                    end
                  end
                  @updated_on
                end
                # Returns true if usr is allowed to edit the page, otherwise false
                def editable_by?(usr)
                  !protected? || usr.allowed_to?(:protect_wiki_pages, wiki.project)
                end
                def attachments_deletable?(usr=User.current)
                  editable_by?(usr) && super(usr)
                end
                def parent_title
                  @parent_title || (self.parent && self.parent.pretty_title)
                end
                def parent_title=(t)
                  @parent_title = t
                  parent_page = t.blank? ? nil : self.wiki.find_page(t)
                  self.parent = parent_page
                end
                protected
                def validate_parent_title
                  errors.add(:parent_title, :invalid) if !@parent_title.blank? && parent.nil?
                  errors.add(:parent_title, :circular_dependency) if parent && (parent == self || parent.ancestors.include?(self))
                  errors.add(:parent_title, :not_same_project) if parent && (parent.wiki_id != wiki_id)
                end
              end
              class WikiDiff < Redmine::Helpers::Diff
                attr_reader :content_to, :content_from
                def initialize(content_to, content_from)
                  @content_to = content_to
                  @content_from = content_from
                  super(content_to.text, content_from.text)
                end
              end
              class WikiAnnotate
                attr_reader :lines, :content
                def initialize(content)
                  @content = content
                  current = content
                  current_lines = current.text.split(/\r?\n/)
                  @lines = current_lines.collect {|t| [nil, nil, t]}
                  positions = []
                  current_lines.size.times {|i| positions << i}
                  while (current.previous)
                    d = current.previous.text.split(/\r?\n/).diff(current.text.split(/\r?\n/)).diffs.flatten
                    d.each_slice(3) do |s|
                      sign, line = s[0], s[1]
                      if sign == '+' && positions[line] && positions[line] != -1
                        if @lines[positions[line]][0].nil?
                          @lines[positions[line]][0] = current.version
                          @lines[positions[line]][1] = current.author
                        end
                      end
                    end
                    d.each_slice(3) do |s|
                      sign, line = s[0], s[1]
                      if sign == '-'
                        positions.insert(line, -1)
                      else
                        positions[line] = nil
                      end
                    end
                    positions.compact!
                    # Stop if every line is annotated
                    break unless @lines.detect { |line| line[0].nil? }
                    current = current.previous
                  end
                  @lines.each { |line|
                    line[0] ||= current.version
                    # if the last known version is > 1 (eg. history was cleared), we don't know the author
                    line[1] ||= current.author if current.version == 1
                  }
                end
              end

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