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# redMine - project management software
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# Copyright (C) 2006-2007 Jean-Philippe Lang
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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class WikiController < ApplicationController
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layout 'base'
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before_filter :find_wiki, :check_project_privacy, :except => [:preview]
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# display a page (in editing mode if it doesn't exist)
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def index
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page_title = params[:page]
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@page = @wiki.find_or_new_page(page_title)
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if @page.new_record?
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edit
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render :action => 'edit' and return
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end
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@content = @page.content_for_version(params[:version])
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if params[:export] == 'html'
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export = render_to_string :action => 'export', :layout => false
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send_data(export, :type => 'text/html', :filename => "#{@page.title}.html")
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return
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elsif params[:export] == 'txt'
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send_data(@content.text, :type => 'text/plain', :filename => "#{@page.title}.txt")
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return
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end
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render :action => 'show'
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end
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# edit an existing page or a new one
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def edit
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@page = @wiki.find_or_new_page(params[:page])
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@page.content = WikiContent.new(:page => @page) if @page.new_record?
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@content = @page.content_for_version(params[:version])
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@content.text = "h1. #{@page.pretty_title}" if @content.text.blank?
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# don't keep previous comment
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@content.comments = nil
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if request.post?
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if @content.text == params[:content][:text]
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# don't save if text wasn't changed
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redirect_to :action => 'index', :id => @project, :page => @page.title
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return
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end
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@content.text = params[:content][:text]
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@content.comments = params[:content][:comments]
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@content.author = logged_in_user
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# if page is new @page.save will also save content, but not if page isn't a new record
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if (@page.new_record? ? @page.save : @content.save)
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redirect_to :action => 'index', :id => @project, :page => @page.title
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end
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end
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end
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# show page history
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def history
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@page = @wiki.find_page(params[:page])
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# don't load text
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@versions = @page.content.versions.find :all,
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:select => "id, author_id, comments, updated_on, version",
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:order => 'version DESC'
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end
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# display special pages
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def special
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page_title = params[:page].downcase
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case page_title
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# show pages index, sorted by title
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when 'page_index'
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# eager load information about last updates, without loading text
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@pages = @wiki.pages.find :all, :select => "#{WikiPage.table_name}.*, #{WikiContent.table_name}.updated_on",
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:joins => "LEFT JOIN #{WikiContent.table_name} ON #{WikiContent.table_name}.page_id = #{WikiPage.table_name}.id",
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:order => 'title'
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# export wiki to a single html file
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when 'export'
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@pages = @wiki.pages.find :all, :order => 'title'
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export = render_to_string :action => 'export_multiple', :layout => false
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send_data(export, :type => 'text/html', :filename => "wiki.html")
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return
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else
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# requested special page doesn't exist, redirect to default page
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redirect_to :action => 'index', :id => @project, :page => nil and return
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end
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render :action => "special_#{page_title}"
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end
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def preview
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@text = params[:content][:text]
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render :partial => 'preview'
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end
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private
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def find_wiki
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@project = Project.find(params[:id])
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@wiki = @project.wiki
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rescue ActiveRecord::RecordNotFound
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render_404
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end
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end
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