comparison .svn/pristine/95/950437adc2699c368f2494322635c7283f1e4dcf.svn-base @ 1295:622f24f53b42 redmine-2.3

Update to Redmine SVN revision 11972 on 2.3-stable branch

+# Redmine - project management software
+# Copyright (C) 2006-2013  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
+  include Redmine::SafeAttributes
+
+  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', "#{WikiContent.table_name}.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 => /\A[^,\.\/\?\;\|\s]*\z/
+  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
+  scope :with_updated_on, lambda {
+    select("#{WikiPage.table_name}.*, #{WikiContent.table_name}.updated_on, #{WikiContent.table_name}.version").
+      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)
+
+  safe_attributes 'parent_id', 'parent_title',
+    :if => lambda {|page, user| page.new_record? || user.allowed_to?(:rename_wiki_pages, page.project)}
+
+  def initialize(attributes=nil, *args)
+    super
+    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 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
+    content_to = content.versions.find_by_version(version_to)
+    content_from = version_from ? content.versions.find_by_version(version_from.to_i) : content_to.try(:previous)
+    return nil unless content_to && content_from
+
+    if content_from.version > content_to.version
+      content_to, content_from = content_from, content_to
+    end
+
+    (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
+        begin
+          @updated_on = (self.class.default_timezone == :utc ? Time.parse(time.to_s).utc : Time.parse(time.to_s).localtime)
+        rescue
+        end
+      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
+
+  # Saves the page and its content if text was changed
+  def save_with_content
+    ret = nil
+    transaction do
+      if new_record?
+        # Rails automatically saves associated content
+        ret = save
+      else
+        ret = save && (content.text_changed? ? content.save : true)
+      end
+      raise ActiveRecord::Rollback unless ret
+    end
+    ret
+  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