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1 | 1 | # redMine - project management software |
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2 | 2 | # Copyright (C) 2006-2008 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 ActivityProvider |
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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 | def acts_as_activity_provider(options = {}) |
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27 | 27 | unless self.included_modules.include?(Redmine::Acts::ActivityProvider::InstanceMethods) |
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28 | 28 | cattr_accessor :activity_provider_options |
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29 | 29 | send :include, Redmine::Acts::ActivityProvider::InstanceMethods |
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30 | 30 | end |
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31 | 31 | |
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32 | 32 | options.assert_valid_keys(:type, :permission, :timestamp, :author_key, :find_options) |
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33 | 33 | self.activity_provider_options ||= {} |
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34 | 34 | |
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35 | 35 | # One model can provide different event types |
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36 | 36 | # We store these options in activity_provider_options hash |
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37 | 37 | event_type = options.delete(:type) || self.name.underscore.pluralize |
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38 | 38 | |
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39 | 39 | options[:permission] = "view_#{self.name.underscore.pluralize}".to_sym unless options.has_key?(:permission) |
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40 | 40 | options[:timestamp] ||= "#{table_name}.created_on" |
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41 | 41 | options[:find_options] ||= {} |
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42 | 42 | options[:author_key] = "#{table_name}.#{options[:author_key]}" if options[:author_key].is_a?(Symbol) |
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43 | 43 | self.activity_provider_options[event_type] = options |
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44 | 44 | end |
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45 | 45 | end |
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46 | 46 | |
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47 | 47 | module InstanceMethods |
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48 | 48 | def self.included(base) |
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49 | 49 | base.extend ClassMethods |
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50 | 50 | end |
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51 | 51 | |
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52 | 52 | module ClassMethods |
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53 | 53 | # Returns events of type event_type visible by user that occured between from and to |
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54 | 54 | def find_events(event_type, user, from, to, options) |
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55 | 55 | provider_options = activity_provider_options[event_type] |
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56 | 56 | raise "#{self.name} can not provide #{event_type} events." if provider_options.nil? |
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57 | 57 | |
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58 | 58 | scope_options = {} |
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59 | 59 | cond = ARCondition.new |
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60 | 60 | if from && to |
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61 | 61 | cond.add(["#{provider_options[:timestamp]} BETWEEN ? AND ?", from, to]) |
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62 | 62 | end |
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63 | 63 | if options[:author] |
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64 | 64 | return [] if provider_options[:author_key].nil? |
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65 | 65 | cond.add(["#{provider_options[:author_key]} = ?", options[:author].id]) |
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66 | 66 | end |
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67 | 67 | cond.add(Project.allowed_to_condition(user, provider_options[:permission], options)) if provider_options[:permission] |
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68 | 68 | scope_options[:conditions] = cond.conditions |
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69 | scope_options[:order] = "#{provider_options[:timestamp]} DESC" | |
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70 | scope_options[:limit] = options[:limit] | |
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69 | if options[:limit] | |
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70 | # id and creation time should be in same order in most cases | |
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71 | scope_options[:order] = "#{table_name}.id DESC" | |
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72 | scope_options[:limit] = options[:limit] | |
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73 | end | |
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71 | 74 | |
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72 | 75 | with_scope(:find => scope_options) do |
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73 | 76 | find(:all, provider_options[:find_options]) |
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74 | 77 | end |
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75 | 78 | end |
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76 | 79 | end |
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77 | 80 | end |
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78 | 81 | end |
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79 | 82 | end |
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80 | 83 | end |
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