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# 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 'diff'
class WikiController < ApplicationController
layout 'base'
before_filter :find_wiki, :authorize
verify :method => :post, :only => [:destroy, :destroy_attachment], :redirect_to => { :action => :index }
helper :attachments
include AttachmentsHelper
# display a page (in editing mode if it doesn't exist)
def index
page_title = params[:page]
@page = @wiki.find_or_new_page(page_title)
if @page.new_record?
if User.current.allowed_to?(:edit_wiki_pages, @project)
edit
render :action => 'edit'
else
render_404
end
return
end
@content = @page.content_for_version(params[:version])
if params[:export] == 'html'
export = render_to_string :action => 'export', :layout => false
send_data(export, :type => 'text/html', :filename => "#{@page.title}.html")
return
elsif params[:export] == 'txt'
send_data(@content.text, :type => 'text/plain', :filename => "#{@page.title}.txt")
return
end
render :action => 'show'
end
# edit an existing page or a new one
def edit
@page = @wiki.find_or_new_page(params[:page])
@page.content = WikiContent.new(:page => @page) if @page.new_record?
@content = @page.content_for_version(params[:version])
@content.text = "h1. #{@page.pretty_title}" if @content.text.blank?
# don't keep previous comment
@content.comments = nil
if request.post?
if !@page.new_record? && @content.text == params[:content][:text]
# don't save if text wasn't changed
redirect_to :action => 'index', :id => @project, :page => @page.title
return
end
#@content.text = params[:content][:text]
#@content.comments = params[:content][:comments]
@content.attributes = params[:content]
@content.author = User.current
# if page is new @page.save will also save content, but not if page isn't a new record
if (@page.new_record? ? @page.save : @content.save)
redirect_to :action => 'index', :id => @project, :page => @page.title
end
end
rescue ActiveRecord::StaleObjectError
# Optimistic locking exception
flash[:error] = l(:notice_locking_conflict)
end
# rename a page
def rename
@page = @wiki.find_page(params[:page])
@page.redirect_existing_links = true
# used to display the *original* title if some AR validation errors occur
@original_title = @page.pretty_title
if request.post? && @page.update_attributes(params[:wiki_page])
flash[:notice] = l(:notice_successful_update)
redirect_to :action => 'index', :id => @project, :page => @page.title
end
end
# show page history
def history
@page = @wiki.find_page(params[:page])
@version_count = @page.content.versions.count
@version_pages = Paginator.new self, @version_count, 25, params['p']
# don't load text
@versions = @page.content.versions.find :all,
:select => "id, author_id, comments, updated_on, version",
:order => 'version DESC',
:limit => @version_pages.items_per_page + 1,
:offset => @version_pages.current.offset
render :layout => false if request.xhr?
end
def diff
@page = @wiki.find_page(params[:page])
@diff = @page.diff(params[:version], params[:version_from])
render_404 unless @diff
end
def annotate
@page = @wiki.find_page(params[:page])
@annotate = @page.annotate(params[:version])
end
# remove a wiki page and its history
def destroy
@page = @wiki.find_page(params[:page])
@page.destroy if @page
redirect_to :action => 'special', :id => @project, :page => 'Page_index'
end
# display special pages
def special
page_title = params[:page].downcase
case page_title
# show pages index, sorted by title
when 'page_index', 'date_index'
# eager load information about last updates, without loading text
@pages = @wiki.pages.find :all, :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",
:order => 'title'
@pages_by_date = @pages.group_by {|p| p.updated_on.to_date}
# export wiki to a single html file
when 'export'
@pages = @wiki.pages.find :all, :order => 'title'
export = render_to_string :action => 'export_multiple', :layout => false
send_data(export, :type => 'text/html', :filename => "wiki.html")
return
else
# requested special page doesn't exist, redirect to default page
redirect_to :action => 'index', :id => @project, :page => nil and return
end
render :action => "special_#{page_title}"
end
def preview
page = @wiki.find_page(params[:page])
@attachements = page.attachments if page
@text = params[:content][:text]
render :partial => 'common/preview'
end
def add_attachment
@page = @wiki.find_page(params[:page])
attach_files(@page, params[:attachments])
redirect_to :action => 'index', :page => @page.title
end
def destroy_attachment
@page = @wiki.find_page(params[:page])
@page.attachments.find(params[:attachment_id]).destroy
redirect_to :action => 'index', :page => @page.title
end
private
def find_wiki
@project = Project.find(params[:id])
@wiki = @project.wiki
render_404 unless @wiki
rescue ActiveRecord::RecordNotFound
render_404
end
end
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