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# redMine - project management software
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# Copyright (C) 2006 Jean-Philippe Lang
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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class Journal < ActiveRecord::Base
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belongs_to :journalized, :polymorphic => true
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# added as a quick fix to allow eager loading of the polymorphic association
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# since always associated to an issue, for now
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belongs_to :issue, :foreign_key => :journalized_id
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belongs_to :user
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has_many :details, :class_name => "JournalDetail", :dependent => :delete_all
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attr_accessor :indice
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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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:description => :notes,
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:author => :user,
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:type => Proc.new {|o| (s = o.new_status) ? (s.is_closed? ? 'issue-closed' : 'issue-edit') : 'issue-note' },
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:url => Proc.new {|o| {:controller => 'issues', :action => 'show', :id => o.issue.id, :anchor => "change-#{o.id}"}}
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acts_as_activity_provider :type => 'issues',
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:permission => :view_issues,
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:author_key => :user_id,
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:find_options => {:include => [{:issue => :project}, :details, :user],
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:conditions => "#{Journal.table_name}.journalized_type = 'Issue' AND" +
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" (#{JournalDetail.table_name}.prop_key = 'status_id' OR #{Journal.table_name}.notes <> '')"}
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def save(*args)
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# Do not save an empty journal
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(details.empty? && notes.blank?) ? false : super
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end
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# Returns the new status if the journal contains a status change, otherwise nil
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def new_status
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c = details.detect {|detail| detail.prop_key == 'status_id'}
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(c && c.value) ? IssueStatus.find_by_id(c.value.to_i) : nil
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end
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def new_value_for(prop)
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c = details.detect {|detail| detail.prop_key == prop}
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c ? c.value : nil
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end
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def editable_by?(usr)
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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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end
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def project
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journalized.respond_to?(:project) ? journalized.project : nil
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end
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def attachments
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journalized.respond_to?(:attachments) ? journalized.attachments : nil
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end
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end
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