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1 | 1 | # redMine - project management software |
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2 | 2 | # Copyright (C) 2006-2007 Jean-Philippe Lang |
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3 | 3 | # |
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4 | 4 | # This program is free software; you can redistribute it and/or |
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5 | 5 | # modify it under the terms of the GNU General Public License |
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6 | 6 | # as published by the Free Software Foundation; either version 2 |
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7 | 7 | # of the License, or (at your option) any later version. |
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8 | 8 | # |
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9 | 9 | # This program is distributed in the hope that it will be useful, |
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10 | 10 | # but WITHOUT ANY WARRANTY; without even the implied warranty of |
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11 | 11 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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12 | 12 | # GNU General Public License for more details. |
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13 | 13 | # |
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14 | 14 | # You should have received a copy of the GNU General Public License |
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15 | 15 | # along with this program; if not, write to the Free Software |
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16 | 16 | # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
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17 | 17 | |
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18 | 18 | require 'diff' |
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19 | 19 | |
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20 | 20 | class WikiController < ApplicationController |
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21 | 21 | before_filter :find_wiki, :authorize |
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22 | 22 | |
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23 | 23 | verify :method => :post, :only => [:destroy, :destroy_attachment, :protect], :redirect_to => { :action => :index } |
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24 | 24 | |
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25 | 25 | helper :attachments |
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26 | 26 | include AttachmentsHelper |
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27 | 27 | |
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28 | 28 | # display a page (in editing mode if it doesn't exist) |
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29 | 29 | def index |
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30 | 30 | page_title = params[:page] |
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31 | 31 | @page = @wiki.find_or_new_page(page_title) |
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32 | 32 | if @page.new_record? |
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33 | 33 | if User.current.allowed_to?(:edit_wiki_pages, @project) |
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34 | 34 | edit |
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35 | 35 | render :action => 'edit' |
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36 | 36 | else |
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37 | 37 | render_404 |
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38 | 38 | end |
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39 | 39 | return |
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40 | 40 | end |
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41 | 41 | if params[:version] && !User.current.allowed_to?(:view_wiki_edits, @project) |
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42 | 42 | # Redirects user to the current version if he's not allowed to view previous versions |
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43 | 43 | redirect_to :version => nil |
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44 | 44 | return |
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45 | 45 | end |
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46 | 46 | @content = @page.content_for_version(params[:version]) |
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47 | 47 | if params[:export] == 'html' |
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48 | 48 | export = render_to_string :action => 'export', :layout => false |
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49 | 49 | send_data(export, :type => 'text/html', :filename => "#{@page.title}.html") |
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50 | 50 | return |
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51 | 51 | elsif params[:export] == 'txt' |
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52 | 52 | send_data(@content.text, :type => 'text/plain', :filename => "#{@page.title}.txt") |
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53 | 53 | return |
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54 | 54 | end |
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55 | 55 | @editable = editable? |
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56 | 56 | render :action => 'show' |
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57 | 57 | end |
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58 | 58 | |
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59 | 59 | # edit an existing page or a new one |
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60 | 60 | def edit |
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61 | 61 | @page = @wiki.find_or_new_page(params[:page]) |
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62 | 62 | return render_403 unless editable? |
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63 | 63 | @page.content = WikiContent.new(:page => @page) if @page.new_record? |
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64 | 64 | |
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65 | 65 | @content = @page.content_for_version(params[:version]) |
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66 | 66 | @content.text = "h1. #{@page.pretty_title}" if @content.text.blank? |
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67 | 67 | # don't keep previous comment |
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68 | 68 | @content.comments = nil |
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69 |
if request. |
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69 | if request.get? | |
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70 | # To prevent StaleObjectError exception when reverting to a previous version | |
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71 | @content.version = @page.content.version | |
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72 | else | |
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70 | 73 | if !@page.new_record? && @content.text == params[:content][:text] |
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71 | 74 | # don't save if text wasn't changed |
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72 | 75 | redirect_to :action => 'index', :id => @project, :page => @page.title |
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73 | 76 | return |
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74 | 77 | end |
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75 | 78 | #@content.text = params[:content][:text] |
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76 | 79 | #@content.comments = params[:content][:comments] |
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77 | 80 | @content.attributes = params[:content] |
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78 | 81 | @content.author = User.current |
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79 | 82 | # if page is new @page.save will also save content, but not if page isn't a new record |
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80 | 83 | if (@page.new_record? ? @page.save : @content.save) |
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81 | 84 | redirect_to :action => 'index', :id => @project, :page => @page.title |
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82 | 85 | end |
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83 | 86 | end |
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84 | 87 | rescue ActiveRecord::StaleObjectError |
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85 | 88 | # Optimistic locking exception |
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86 | 89 | flash[:error] = l(:notice_locking_conflict) |
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87 | 90 | end |
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88 | 91 | |
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89 | 92 | # rename a page |
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90 | 93 | def rename |
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91 | 94 | @page = @wiki.find_page(params[:page]) |
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92 | 95 | return render_403 unless editable? |
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93 | 96 | @page.redirect_existing_links = true |
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94 | 97 | # used to display the *original* title if some AR validation errors occur |
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95 | 98 | @original_title = @page.pretty_title |
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96 | 99 | if request.post? && @page.update_attributes(params[:wiki_page]) |
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97 | 100 | flash[:notice] = l(:notice_successful_update) |
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98 | 101 | redirect_to :action => 'index', :id => @project, :page => @page.title |
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99 | 102 | end |
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100 | 103 | end |
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101 | 104 | |
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102 | 105 | def protect |
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103 | 106 | page = @wiki.find_page(params[:page]) |
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104 | 107 | page.update_attribute :protected, params[:protected] |
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105 | 108 | redirect_to :action => 'index', :id => @project, :page => page.title |
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106 | 109 | end |
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107 | 110 | |
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108 | 111 | # show page history |
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109 | 112 | def history |
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110 | 113 | @page = @wiki.find_page(params[:page]) |
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111 | 114 | |
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112 | 115 | @version_count = @page.content.versions.count |
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113 | 116 | @version_pages = Paginator.new self, @version_count, per_page_option, params['p'] |
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114 | 117 | # don't load text |
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115 | 118 | @versions = @page.content.versions.find :all, |
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116 | 119 | :select => "id, author_id, comments, updated_on, version", |
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117 | 120 | :order => 'version DESC', |
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118 | 121 | :limit => @version_pages.items_per_page + 1, |
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119 | 122 | :offset => @version_pages.current.offset |
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120 | 123 | |
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121 | 124 | render :layout => false if request.xhr? |
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122 | 125 | end |
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123 | 126 | |
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124 | 127 | def diff |
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125 | 128 | @page = @wiki.find_page(params[:page]) |
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126 | 129 | @diff = @page.diff(params[:version], params[:version_from]) |
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127 | 130 | render_404 unless @diff |
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128 | 131 | end |
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129 | 132 | |
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130 | 133 | def annotate |
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131 | 134 | @page = @wiki.find_page(params[:page]) |
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132 | 135 | @annotate = @page.annotate(params[:version]) |
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133 | 136 | end |
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134 | 137 | |
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135 | 138 | # remove a wiki page and its history |
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136 | 139 | def destroy |
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137 | 140 | @page = @wiki.find_page(params[:page]) |
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138 | 141 | return render_403 unless editable? |
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139 | 142 | @page.destroy if @page |
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140 | 143 | redirect_to :action => 'special', :id => @project, :page => 'Page_index' |
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141 | 144 | end |
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142 | 145 | |
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143 | 146 | # display special pages |
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144 | 147 | def special |
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145 | 148 | page_title = params[:page].downcase |
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146 | 149 | case page_title |
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147 | 150 | # show pages index, sorted by title |
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148 | 151 | when 'page_index', 'date_index' |
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149 | 152 | # eager load information about last updates, without loading text |
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150 | 153 | @pages = @wiki.pages.find :all, :select => "#{WikiPage.table_name}.*, #{WikiContent.table_name}.updated_on", |
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151 | 154 | :joins => "LEFT JOIN #{WikiContent.table_name} ON #{WikiContent.table_name}.page_id = #{WikiPage.table_name}.id", |
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152 | 155 | :order => 'title' |
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153 | 156 | @pages_by_date = @pages.group_by {|p| p.updated_on.to_date} |
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154 | 157 | @pages_by_parent_id = @pages.group_by(&:parent_id) |
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155 | 158 | # export wiki to a single html file |
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156 | 159 | when 'export' |
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157 | 160 | @pages = @wiki.pages.find :all, :order => 'title' |
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158 | 161 | export = render_to_string :action => 'export_multiple', :layout => false |
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159 | 162 | send_data(export, :type => 'text/html', :filename => "wiki.html") |
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160 | 163 | return |
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161 | 164 | else |
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162 | 165 | # requested special page doesn't exist, redirect to default page |
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163 | 166 | redirect_to :action => 'index', :id => @project, :page => nil and return |
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164 | 167 | end |
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165 | 168 | render :action => "special_#{page_title}" |
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166 | 169 | end |
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167 | 170 | |
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168 | 171 | def preview |
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169 | 172 | page = @wiki.find_page(params[:page]) |
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170 | 173 | # page is nil when previewing a new page |
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171 | 174 | return render_403 unless page.nil? || editable?(page) |
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172 | 175 | if page |
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173 | 176 | @attachements = page.attachments |
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174 | 177 | @previewed = page.content |
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175 | 178 | end |
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176 | 179 | @text = params[:content][:text] |
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177 | 180 | render :partial => 'common/preview' |
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178 | 181 | end |
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179 | 182 | |
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180 | 183 | def add_attachment |
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181 | 184 | @page = @wiki.find_page(params[:page]) |
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182 | 185 | return render_403 unless editable? |
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183 | 186 | attach_files(@page, params[:attachments]) |
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184 | 187 | redirect_to :action => 'index', :page => @page.title |
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185 | 188 | end |
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186 | 189 | |
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187 | 190 | def destroy_attachment |
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188 | 191 | @page = @wiki.find_page(params[:page]) |
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189 | 192 | return render_403 unless editable? |
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190 | 193 | @page.attachments.find(params[:attachment_id]).destroy |
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191 | 194 | redirect_to :action => 'index', :page => @page.title |
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192 | 195 | end |
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193 | 196 | |
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194 | 197 | private |
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195 | 198 | |
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196 | 199 | def find_wiki |
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197 | 200 | @project = Project.find(params[:id]) |
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198 | 201 | @wiki = @project.wiki |
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199 | 202 | render_404 unless @wiki |
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200 | 203 | rescue ActiveRecord::RecordNotFound |
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201 | 204 | render_404 |
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202 | 205 | end |
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203 | 206 | |
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204 | 207 | # Returns true if the current user is allowed to edit the page, otherwise false |
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205 | 208 | def editable?(page = @page) |
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206 | 209 | page.editable_by?(User.current) |
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207 | 210 | end |
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208 | 211 | end |
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