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1 | 1 | # Redmine - project management software |
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2 | 2 | # Copyright (C) 2006-2014 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 'zlib' |
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19 | 19 | |
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20 | 20 | class WikiContent < ActiveRecord::Base |
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21 | 21 | self.locking_column = 'version' |
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22 | 22 | belongs_to :page, :class_name => 'WikiPage', :foreign_key => 'page_id' |
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23 | 23 | belongs_to :author, :class_name => 'User', :foreign_key => 'author_id' |
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24 | 24 | validates_presence_of :text |
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25 | 25 | validates_length_of :comments, :maximum => 255, :allow_nil => true |
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26 | 26 | |
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27 | 27 | acts_as_versioned |
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28 | 28 | |
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29 | 29 | after_save :send_notification |
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30 | 30 | |
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31 | 31 | def visible?(user=User.current) |
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32 | 32 | page.visible?(user) |
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33 | 33 | end |
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34 | 34 | |
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35 | 35 | def project |
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36 | 36 | page.project |
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37 | 37 | end |
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38 | 38 | |
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39 | 39 | def attachments |
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40 | 40 | page.nil? ? [] : page.attachments |
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41 | 41 | end |
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42 | 42 | |
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43 | # Returns the mail adresses of users that should be notified | |
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43 | # Returns the mail addresses of users that should be notified | |
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44 | 44 | def recipients |
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45 | 45 | notified = project.notified_users |
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46 | 46 | notified.reject! {|user| !visible?(user)} |
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47 | 47 | notified.collect(&:mail) |
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48 | 48 | end |
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49 | 49 | |
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50 | 50 | # Return true if the content is the current page content |
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51 | 51 | def current_version? |
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52 | 52 | true |
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53 | 53 | end |
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54 | 54 | |
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55 | 55 | class Version |
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56 | 56 | belongs_to :page, :class_name => '::WikiPage', :foreign_key => 'page_id' |
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57 | 57 | belongs_to :author, :class_name => '::User', :foreign_key => 'author_id' |
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58 | 58 | attr_protected :data |
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59 | 59 | |
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60 | 60 | acts_as_event :title => Proc.new {|o| "#{l(:label_wiki_edit)}: #{o.page.title} (##{o.version})"}, |
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61 | 61 | :description => :comments, |
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62 | 62 | :datetime => :updated_on, |
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63 | 63 | :type => 'wiki-page', |
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64 | 64 | :group => :page, |
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65 | 65 | :url => Proc.new {|o| {:controller => 'wiki', :action => 'show', :project_id => o.page.wiki.project, :id => o.page.title, :version => o.version}} |
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66 | 66 | |
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67 | 67 | acts_as_activity_provider :type => 'wiki_edits', |
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68 | 68 | :timestamp => "#{WikiContent.versioned_table_name}.updated_on", |
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69 | 69 | :author_key => "#{WikiContent.versioned_table_name}.author_id", |
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70 | 70 | :permission => :view_wiki_edits, |
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71 | 71 | :find_options => {:select => "#{WikiContent.versioned_table_name}.updated_on, #{WikiContent.versioned_table_name}.comments, " + |
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72 | 72 | "#{WikiContent.versioned_table_name}.#{WikiContent.version_column}, #{WikiPage.table_name}.title, " + |
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73 | 73 | "#{WikiContent.versioned_table_name}.page_id, #{WikiContent.versioned_table_name}.author_id, " + |
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74 | 74 | "#{WikiContent.versioned_table_name}.id", |
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75 | 75 | :joins => "LEFT JOIN #{WikiPage.table_name} ON #{WikiPage.table_name}.id = #{WikiContent.versioned_table_name}.page_id " + |
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76 | 76 | "LEFT JOIN #{Wiki.table_name} ON #{Wiki.table_name}.id = #{WikiPage.table_name}.wiki_id " + |
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77 | 77 | "LEFT JOIN #{Project.table_name} ON #{Project.table_name}.id = #{Wiki.table_name}.project_id"} |
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78 | 78 | |
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79 | 79 | after_destroy :page_update_after_destroy |
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80 | 80 | |
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81 | 81 | def text=(plain) |
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82 | 82 | case Setting.wiki_compression |
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83 | 83 | when 'gzip' |
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84 | 84 | begin |
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85 | 85 | self.data = Zlib::Deflate.deflate(plain, Zlib::BEST_COMPRESSION) |
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86 | 86 | self.compression = 'gzip' |
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87 | 87 | rescue |
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88 | 88 | self.data = plain |
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89 | 89 | self.compression = '' |
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90 | 90 | end |
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91 | 91 | else |
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92 | 92 | self.data = plain |
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93 | 93 | self.compression = '' |
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94 | 94 | end |
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95 | 95 | plain |
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96 | 96 | end |
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97 | 97 | |
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98 | 98 | def text |
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99 | 99 | @text ||= begin |
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100 | 100 | str = case compression |
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101 | 101 | when 'gzip' |
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102 | 102 | Zlib::Inflate.inflate(data) |
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103 | 103 | else |
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104 | 104 | # uncompressed data |
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105 | 105 | data |
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106 | 106 | end |
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107 | 107 | str.force_encoding("UTF-8") if str.respond_to?(:force_encoding) |
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108 | 108 | str |
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109 | 109 | end |
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110 | 110 | end |
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111 | 111 | |
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112 | 112 | def project |
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113 | 113 | page.project |
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114 | 114 | end |
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115 | 115 | |
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116 | 116 | # Return true if the content is the current page content |
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117 | 117 | def current_version? |
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118 | 118 | page.content.version == self.version |
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119 | 119 | end |
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120 | 120 | |
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121 | 121 | # Returns the previous version or nil |
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122 | 122 | def previous |
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123 | 123 | @previous ||= WikiContent::Version. |
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124 | 124 | reorder('version DESC'). |
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125 | 125 | includes(:author). |
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126 | 126 | where("wiki_content_id = ? AND version < ?", wiki_content_id, version).first |
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127 | 127 | end |
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128 | 128 | |
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129 | 129 | # Returns the next version or nil |
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130 | 130 | def next |
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131 | 131 | @next ||= WikiContent::Version. |
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132 | 132 | reorder('version ASC'). |
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133 | 133 | includes(:author). |
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134 | 134 | where("wiki_content_id = ? AND version > ?", wiki_content_id, version).first |
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135 | 135 | end |
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136 | 136 | |
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137 | 137 | private |
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138 | 138 | |
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139 | 139 | # Updates page's content if the latest version is removed |
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140 | 140 | # or destroys the page if it was the only version |
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141 | 141 | def page_update_after_destroy |
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142 | 142 | latest = page.content.versions.reorder("#{self.class.table_name}.version DESC").first |
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143 | 143 | if latest && page.content.version != latest.version |
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144 | 144 | raise ActiveRecord::Rollback unless page.content.revert_to!(latest) |
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145 | 145 | elsif latest.nil? |
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146 | 146 | raise ActiveRecord::Rollback unless page.destroy |
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147 | 147 | end |
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148 | 148 | end |
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149 | 149 | end |
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150 | 150 | |
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151 | 151 | private |
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152 | 152 | |
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153 | 153 | def send_notification |
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154 | 154 | # new_record? returns false in after_save callbacks |
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155 | 155 | if id_changed? |
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156 | 156 | if Setting.notified_events.include?('wiki_content_added') |
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157 | 157 | Mailer.wiki_content_added(self).deliver |
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158 | 158 | end |
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159 | 159 | elsif text_changed? |
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160 | 160 | if Setting.notified_events.include?('wiki_content_updated') |
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161 | 161 | Mailer.wiki_content_updated(self).deliver |
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162 | 162 | end |
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163 | 163 | end |
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164 | 164 | end |
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165 | 165 | end |
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