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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 | module Redmine |
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19 | 19 | module Acts |
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20 | 20 | module Searchable |
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21 | 21 | def self.included(base) |
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22 | 22 | base.extend ClassMethods |
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23 | 23 | end |
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24 | 24 | |
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25 | 25 | module ClassMethods |
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26 | 26 | # Options: |
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27 | 27 | # * :columns - a column or an array of columns to search |
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28 | 28 | # * :project_key - project foreign key (default to project_id) |
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29 | 29 | # * :date_column - name of the datetime column (default to created_on) |
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30 | 30 | # * :sort_order - name of the column used to sort results (default to :date_column or created_on) |
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31 | 31 | # * :permission - permission required to search the model (default to :view_"objects") |
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32 | 32 | def acts_as_searchable(options = {}) |
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33 | 33 | return if self.included_modules.include?(Redmine::Acts::Searchable::InstanceMethods) |
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34 | 34 | |
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35 | 35 | cattr_accessor :searchable_options |
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36 | 36 | self.searchable_options = options |
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37 | 37 | |
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38 | 38 | if searchable_options[:columns].nil? |
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39 | 39 | raise 'No searchable column defined.' |
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40 | 40 | elsif !searchable_options[:columns].is_a?(Array) |
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41 | 41 | searchable_options[:columns] = [] << searchable_options[:columns] |
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42 | 42 | end |
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43 | 43 | |
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44 | 44 | searchable_options[:project_key] ||= "#{table_name}.project_id" |
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45 | 45 | searchable_options[:date_column] ||= "#{table_name}.created_on" |
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46 | 46 | searchable_options[:order_column] ||= searchable_options[:date_column] |
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47 | 47 | |
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48 | 48 | # Permission needed to search this model |
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49 | 49 | searchable_options[:permission] = "view_#{self.name.underscore.pluralize}".to_sym unless searchable_options.has_key?(:permission) |
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50 | 50 | |
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51 | 51 | # Should we search custom fields on this model ? |
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52 | 52 | searchable_options[:search_custom_fields] = !reflect_on_association(:custom_values).nil? |
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53 | 53 | |
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54 | 54 | send :include, Redmine::Acts::Searchable::InstanceMethods |
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55 | 55 | end |
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56 | 56 | end |
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57 | 57 | |
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58 | 58 | module InstanceMethods |
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59 | 59 | def self.included(base) |
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60 | 60 | base.extend ClassMethods |
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61 | 61 | end |
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62 | 62 | |
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63 | 63 | module ClassMethods |
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64 | 64 | # Searches the model for the given tokens |
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65 | 65 | # projects argument can be either nil (will search all projects), a project or an array of projects |
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66 | 66 | # Returns the results and the results count |
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67 | 67 | def search(tokens, projects=nil, options={}) |
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68 | 68 | tokens = [] << tokens unless tokens.is_a?(Array) |
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69 | 69 | projects = [] << projects unless projects.nil? || projects.is_a?(Array) |
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70 | 70 | |
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71 | 71 | find_options = {:include => searchable_options[:include]} |
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72 | 72 | find_options[:order] = "#{searchable_options[:order_column]} " + (options[:before] ? 'DESC' : 'ASC') |
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73 | 73 | |
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74 | 74 | limit_options = {} |
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75 | 75 | limit_options[:limit] = options[:limit] if options[:limit] |
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76 | 76 | if options[:offset] |
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77 | 77 | limit_options[:conditions] = "(#{searchable_options[:date_column]} " + (options[:before] ? '<' : '>') + "'#{connection.quoted_date(options[:offset])}')" |
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78 | 78 | end |
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79 | 79 | |
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80 | 80 | columns = searchable_options[:columns] |
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81 |
columns |
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81 | columns = columns[0..0] if options[:titles_only] | |
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82 | 82 | |
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83 | 83 | token_clauses = columns.collect {|column| "(LOWER(#{column}) LIKE ?)"} |
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84 | 84 | |
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85 | 85 | if !options[:titles_only] && searchable_options[:search_custom_fields] |
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86 | 86 | searchable_custom_field_ids = CustomField.find(:all, |
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87 | 87 | :select => 'id', |
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88 | 88 | :conditions => { :type => "#{self.name}CustomField", |
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89 | 89 | :searchable => true }).collect(&:id) |
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90 | 90 | if searchable_custom_field_ids.any? |
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91 | 91 | custom_field_sql = "#{table_name}.id IN (SELECT customized_id FROM #{CustomValue.table_name}" + |
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92 | 92 | " WHERE customized_type='#{self.name}' AND customized_id=#{table_name}.id AND LOWER(value) LIKE ?" + |
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93 | 93 | " AND #{CustomValue.table_name}.custom_field_id IN (#{searchable_custom_field_ids.join(',')}))" |
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94 | 94 | token_clauses << custom_field_sql |
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95 | 95 | end |
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96 | 96 | end |
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97 | 97 | |
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98 | 98 | sql = (['(' + token_clauses.join(' OR ') + ')'] * tokens.size).join(options[:all_words] ? ' AND ' : ' OR ') |
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99 | 99 | |
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100 | 100 | find_options[:conditions] = [sql, * (tokens * token_clauses.size).sort] |
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101 | 101 | |
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102 | 102 | project_conditions = [] |
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103 | 103 | project_conditions << (searchable_options[:permission].nil? ? Project.visible_by(User.current) : |
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104 | 104 | Project.allowed_to_condition(User.current, searchable_options[:permission])) |
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105 | 105 | project_conditions << "#{searchable_options[:project_key]} IN (#{projects.collect(&:id).join(',')})" unless projects.nil? |
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106 | 106 | |
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107 | 107 | results = [] |
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108 | 108 | results_count = 0 |
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109 | 109 | |
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110 | 110 | with_scope(:find => {:conditions => project_conditions.join(' AND ')}) do |
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111 | 111 | with_scope(:find => find_options) do |
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112 | 112 | results_count = count(:all) |
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113 | 113 | results = find(:all, limit_options) |
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114 | 114 | end |
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115 | 115 | end |
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116 | 116 | [results, results_count] |
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117 | 117 | end |
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118 | 118 | end |
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119 | 119 | end |
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120 | 120 | end |
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121 | 121 | end |
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122 | 122 | end |
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