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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 CustomFieldEnumeration < ActiveRecord::Base |
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19 | 19 | belongs_to :custom_field |
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20 | 20 | attr_accessible :name, :active, :position |
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21 | 21 | |
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22 | 22 | validates_presence_of :name, :position, :custom_field_id |
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23 | 23 | validates_length_of :name, :maximum => 60 |
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24 | 24 | validates_numericality_of :position, :only_integer => true |
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25 | 25 | before_create :set_position |
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26 | 26 | |
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27 | 27 | scope :active, lambda { where(:active => true) } |
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28 | 28 | |
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29 | 29 | def to_s |
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30 | 30 | name.to_s |
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31 | 31 | end |
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32 | 32 | |
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33 | 33 | def objects_count |
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34 | 34 | custom_values.count |
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35 | 35 | end |
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36 | 36 | |
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37 | 37 | def in_use? |
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38 | 38 | objects_count > 0 |
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39 | 39 | end |
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40 | 40 | |
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41 | 41 | alias :destroy_without_reassign :destroy |
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42 | 42 | def destroy(reassign_to=nil) |
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43 | 43 | if reassign_to |
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44 | 44 | custom_values.update_all(:value => reassign_to.id.to_s) |
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45 | 45 | end |
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46 | 46 | destroy_without_reassign |
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47 | 47 | end |
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48 | 48 | |
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49 | 49 | def custom_values |
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50 | 50 | custom_field.custom_values.where(:value => id.to_s) |
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51 | 51 | end |
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52 | 52 | |
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53 | 53 | def self.update_each(custom_field, attributes) |
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54 | 54 | return unless attributes.is_a?(Hash) |
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55 | 55 | transaction do |
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56 | 56 | attributes.each do |enumeration_id, enumeration_attributes| |
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57 | 57 | enumeration = custom_field.enumerations.find_by_id(enumeration_id) |
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58 | 58 | if enumeration |
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59 | 59 | enumeration.attributes = enumeration_attributes |
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60 | 60 | unless enumeration.save |
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61 | 61 | raise ActiveRecord::Rollback |
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62 | 62 | end |
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63 | 63 | end |
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64 | 64 | end |
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65 | 65 | end |
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66 | 66 | end |
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67 | 67 | |
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68 | def self.fields_for_order_statement(table=nil) | |
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69 | table ||= table_name | |
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70 | columns = ['position'] | |
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71 | columns.uniq.map {|field| "#{table}.#{field}"} | |
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72 | end | |
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73 | ||
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68 | 74 | private |
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69 | 75 | |
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70 | 76 | def set_position |
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71 | 77 | max = self.class.where(:custom_field_id => custom_field_id).maximum(:position) || 0 |
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72 | 78 | self.position = max + 1 |
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73 | 79 | end |
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74 | 80 | end |
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