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1 | 1 | # Redmine - project management software |
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2 | 2 | # Copyright (C) 2006-2015 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 | class Enumeration < ActiveRecord::Base |
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19 | 19 | include Redmine::SubclassFactory |
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20 | 20 | |
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21 | 21 | default_scope lambda {order(:position)} |
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22 | 22 | |
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23 | 23 | belongs_to :project |
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24 | 24 | |
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25 | 25 | acts_as_list :scope => 'type = \'#{type}\' AND #{parent_id ? "parent_id = #{parent_id}" : "parent_id IS NULL"}' |
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26 | 26 | acts_as_customizable |
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27 | 27 | acts_as_tree |
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28 | 28 | |
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29 | 29 | before_destroy :check_integrity |
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30 | 30 | before_save :check_default |
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31 | 31 | |
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32 | 32 | attr_protected :type |
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33 | 33 | |
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34 | 34 | validates_presence_of :name |
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35 | 35 | validates_uniqueness_of :name, :scope => [:type, :project_id] |
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36 | 36 | validates_length_of :name, :maximum => 30 |
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37 | 37 | |
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38 | 38 | scope :shared, lambda { where(:project_id => nil) } |
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39 | 39 | scope :sorted, lambda { order(:position) } |
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40 | 40 | scope :active, lambda { where(:active => true) } |
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41 | 41 | scope :system, lambda { where(:project_id => nil) } |
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42 | 42 | scope :named, lambda {|arg| where("LOWER(#{table_name}.name) = LOWER(?)", arg.to_s.strip)} |
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43 | 43 | |
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44 | 44 | def self.default |
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45 | 45 | # Creates a fake default scope so Enumeration.default will check |
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46 | 46 | # it's type. STI subclasses will automatically add their own |
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47 | 47 | # types to the finder. |
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48 | 48 | if self.descends_from_active_record? |
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49 | 49 | where(:is_default => true, :type => 'Enumeration').first |
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50 | 50 | else |
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51 | 51 | # STI classes are |
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52 | 52 | where(:is_default => true).first |
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53 | 53 | end |
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54 | 54 | end |
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55 | 55 | |
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56 | 56 | # Overloaded on concrete classes |
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57 | 57 | def option_name |
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58 | 58 | nil |
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59 | 59 | end |
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60 | 60 | |
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61 | 61 | def check_default |
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62 | 62 | if is_default? && is_default_changed? |
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63 | 63 | Enumeration.where({:type => type}).update_all({:is_default => false}) |
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64 | 64 | end |
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65 | 65 | end |
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66 | 66 | |
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67 | 67 | # Overloaded on concrete classes |
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68 | 68 | def objects_count |
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69 | 69 | 0 |
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70 | 70 | end |
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71 | 71 | |
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72 | 72 | def in_use? |
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73 | 73 | self.objects_count != 0 |
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74 | 74 | end |
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75 | 75 | |
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76 | 76 | # Is this enumeration overriding a system level enumeration? |
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77 | 77 | def is_override? |
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78 | 78 | !self.parent.nil? |
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79 | 79 | end |
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80 | 80 | |
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81 | 81 | alias :destroy_without_reassign :destroy |
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82 | 82 | |
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83 | 83 | # Destroy the enumeration |
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84 | 84 | # If a enumeration is specified, objects are reassigned |
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85 | 85 | def destroy(reassign_to = nil) |
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86 | 86 | if reassign_to && reassign_to.is_a?(Enumeration) |
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87 | 87 | self.transfer_relations(reassign_to) |
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88 | 88 | end |
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89 | 89 | destroy_without_reassign |
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90 | 90 | end |
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91 | 91 | |
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92 | 92 | def <=>(enumeration) |
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93 | 93 | position <=> enumeration.position |
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94 | 94 | end |
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95 | 95 | |
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96 | 96 | def to_s; name end |
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97 | 97 | |
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98 | 98 | # Returns the Subclasses of Enumeration. Each Subclass needs to be |
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99 | 99 | # required in development mode. |
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100 | 100 | # |
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101 | 101 | # Note: subclasses is protected in ActiveRecord |
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102 | 102 | def self.get_subclasses |
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103 | 103 | subclasses |
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104 | 104 | end |
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105 | 105 | |
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106 | 106 | # Does the +new+ Hash override the previous Enumeration? |
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107 | 107 | def self.overriding_change?(new, previous) |
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108 | 108 | if (same_active_state?(new['active'], previous.active)) && same_custom_values?(new,previous) |
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109 | 109 | return false |
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110 | 110 | else |
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111 | 111 | return true |
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112 | 112 | end |
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113 | 113 | end |
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114 | 114 | |
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115 | 115 | # Does the +new+ Hash have the same custom values as the previous Enumeration? |
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116 | 116 | def self.same_custom_values?(new, previous) |
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117 | 117 | previous.custom_field_values.each do |custom_value| |
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118 | 118 | if custom_value.value != new["custom_field_values"][custom_value.custom_field_id.to_s] |
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119 | 119 | return false |
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120 | 120 | end |
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121 | 121 | end |
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122 | 122 | |
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123 | 123 | return true |
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124 | 124 | end |
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125 | 125 | |
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126 | 126 | # Are the new and previous fields equal? |
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127 | 127 | def self.same_active_state?(new, previous) |
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128 | 128 | new = (new == "1" ? true : false) |
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129 | 129 | return new == previous |
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130 | 130 | end |
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131 | 131 | |
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132 | 132 | # Overrides acts_as_list reset_positions_in_list so that enumeration overrides |
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133 | 133 | # get the same position as the overriden enumeration |
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134 | 134 | def reset_positions_in_list |
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135 | super | |
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136 | # TODO: no database specific statement | |
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137 | if Redmine::Database.mysql? | |
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138 | self.class.connection.execute("UPDATE #{self.class.table_name} c JOIN #{self.class.table_name} p on p.id = c.parent_id SET c.position = p.position") | |
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139 | else | |
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140 | self.class. | |
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141 | where("parent_id IS NOT NULL"). | |
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142 | update_all("position = (SELECT MIN(position) FROM #{self.class.table_name} p WHERE p.id = #{self.class.table_name}.parent_id)") | |
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135 | acts_as_list_class.where(scope_condition).reorder("#{position_column} ASC, id ASC").each_with_index do |item, i| | |
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136 | acts_as_list_class.where("id = :id OR parent_id = :id", :id => item.id). | |
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137 | update_all({position_column => (i + 1)}) | |
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143 | 138 | end |
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144 | 139 | end |
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145 | 140 | |
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146 | 141 | private |
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147 | 142 | def check_integrity |
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148 | 143 | raise "Cannot delete enumeration" if self.in_use? |
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149 | 144 | end |
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150 | 145 | |
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151 | 146 | # Overrides acts_as_list add_to_list_bottom so that enumeration overrides |
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152 | 147 | # get the same position as the overriden enumeration |
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153 | 148 | def add_to_list_bottom |
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154 | 149 | if parent |
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155 | 150 | self[position_column] = parent.position |
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156 | 151 | else |
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157 | 152 | super |
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158 | 153 | end |
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159 | 154 | end |
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160 | 155 | |
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161 | 156 | # Overrides acts_as_list remove_from_list so that enumeration overrides |
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162 | 157 | # get the same position as the overriden enumeration |
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163 | 158 | def remove_from_list |
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164 | 159 | if parent_id.blank? |
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165 | 160 | super |
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166 | 161 | end |
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167 | 162 | end |
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168 | 163 | end |
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169 | 164 | |
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170 | 165 | # Force load the subclasses in development mode |
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171 | 166 | require_dependency 'time_entry_activity' |
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172 | 167 | require_dependency 'document_category' |
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173 | 168 | require_dependency 'issue_priority' |
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