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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, per_page_option, 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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