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1 # Redmine - project management software
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2 # Copyright (C) 2006-2011 Jean-Philippe Lang
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3 #
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4 # This program is free software; you can redistribute it and/or
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5 # modify it under the terms of the GNU General Public License
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6 # as published by the Free Software Foundation; either version 2
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7 # of the License, or (at your option) any later version.
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8 #
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9 # This program is distributed in the hope that it will be useful,
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10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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12 # GNU General Public License for more details.
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13 #
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14 # You should have received a copy of the GNU General Public License
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15 # along with this program; if not, write to the Free Software
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16 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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17
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18 class Journal < ActiveRecord::Base
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19 belongs_to :journalized, :polymorphic => true
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20 # added as a quick fix to allow eager loading of the polymorphic association
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21 # since always associated to an issue, for now
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22 belongs_to :issue, :foreign_key => :journalized_id
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23
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24 belongs_to :user
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25 has_many :details, :class_name => "JournalDetail", :dependent => :delete_all
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26 attr_accessor :indice
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27
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28 acts_as_event :title => Proc.new {|o| status = ((s = o.new_status) ? " (#{s})" : nil); "#{o.issue.tracker} ##{o.issue.id}#{status}: #{o.issue.subject}" },
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29 :description => :notes,
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30 :author => :user,
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31 :type => Proc.new {|o| (s = o.new_status) ? (s.is_closed? ? 'issue-closed' : 'issue-edit') : 'issue-note' },
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32 :url => Proc.new {|o| {:controller => 'issues', :action => 'show', :id => o.issue.id, :anchor => "change-#{o.id}"}}
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33
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34 acts_as_activity_provider :type => 'issues',
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35 :author_key => :user_id,
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36 :find_options => {:include => [{:issue => :project}, :details, :user],
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37 :conditions => "#{Journal.table_name}.journalized_type = 'Issue' AND" +
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38 " (#{JournalDetail.table_name}.prop_key = 'status_id' OR #{Journal.table_name}.notes <> '')"}
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39
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40 named_scope :visible, lambda {|*args| {
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41 :include => {:issue => :project},
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42 :conditions => Issue.visible_condition(args.shift || User.current, *args)
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43 }}
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44
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45 def save(*args)
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46 # Do not save an empty journal
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47 (details.empty? && notes.blank?) ? false : super
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48 end
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49
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50 # Returns the new status if the journal contains a status change, otherwise nil
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51 def new_status
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52 c = details.detect {|detail| detail.prop_key == 'status_id'}
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53 (c && c.value) ? IssueStatus.find_by_id(c.value.to_i) : nil
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54 end
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55
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56 def new_value_for(prop)
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57 c = details.detect {|detail| detail.prop_key == prop}
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58 c ? c.value : nil
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59 end
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60
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61 def editable_by?(usr)
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62 usr && usr.logged? && (usr.allowed_to?(:edit_issue_notes, project) || (self.user == usr && usr.allowed_to?(:edit_own_issue_notes, project)))
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63 end
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64
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65 def project
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66 journalized.respond_to?(:project) ? journalized.project : nil
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67 end
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68
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69 def attachments
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70 journalized.respond_to?(:attachments) ? journalized.attachments : nil
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71 end
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72
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73 # Returns a string of css classes
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74 def css_classes
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75 s = 'journal'
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76 s << ' has-notes' unless notes.blank?
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77 s << ' has-details' unless details.blank?
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78 s
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79 end
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80
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81 def notify?
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82 @notify != false
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83 end
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84
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85 def notify=(arg)
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86 @notify = arg
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87 end
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88 end
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