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# Redmine - project management software
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# Copyright (C) 2006-2016 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, :inverse_of => :journal
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attr_accessor :indice
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attr_protected :id
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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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:group => :issue,
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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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:author_key => :user_id,
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:scope => preload({:issue => :project}, :user).
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joins("LEFT OUTER JOIN #{JournalDetail.table_name} ON #{JournalDetail.table_name}.journal_id = #{Journal.table_name}.id").
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where("#{Journal.table_name}.journalized_type = 'Issue' AND" +
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" (#{JournalDetail.table_name}.prop_key = 'status_id' OR #{Journal.table_name}.notes <> '')").uniq
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before_create :split_private_notes
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after_create :send_notification
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scope :visible, lambda {|*args|
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user = args.shift || User.current
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joins(:issue => :project).
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where(Issue.visible_condition(user, *args)).
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where("(#{Journal.table_name}.private_notes = ? OR (#{Project.allowed_to_condition(user, :view_private_notes, *args)}))", false)
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}
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def initialize(*args)
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super
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if journalized
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if journalized.new_record?
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self.notify = false
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else
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start
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end
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end
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end
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def save(*args)
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journalize_changes
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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 journal details that are visible to user
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def visible_details(user=User.current)
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details.select do |detail|
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if detail.property == 'cf'
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detail.custom_field && detail.custom_field.visible_by?(project, user)
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elsif detail.property == 'relation'
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Issue.find_by_id(detail.value || detail.old_value).try(:visible?, user)
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else
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true
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end
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end
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end
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def each_notification(users, &block)
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if users.any?
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users_by_details_visibility = users.group_by do |user|
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visible_details(user)
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end
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users_by_details_visibility.each do |visible_details, users|
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if notes? || visible_details.any?
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yield(users)
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end
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end
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end
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end
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# Returns the JournalDetail for the given attribute, or nil if the attribute
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# was not updated
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def detail_for_attribute(attribute)
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details.detect {|detail| detail.prop_key == attribute}
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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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s = new_value_for('status_id')
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s ? IssueStatus.find_by_id(s.to_i) : nil
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end
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def new_value_for(prop)
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detail_for_attribute(prop).try(:value)
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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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# Returns a string of css classes
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def css_classes
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s = 'journal'
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s << ' has-notes' unless notes.blank?
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s << ' has-details' unless details.blank?
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s << ' private-notes' if private_notes?
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s
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end
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def notify?
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@notify != false
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end
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def notify=(arg)
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@notify = arg
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end
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def notified_users
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notified = journalized.notified_users
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if private_notes?
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notified = notified.select {|user| user.allowed_to?(:view_private_notes, journalized.project)}
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end
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notified
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end
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def recipients
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notified_users.map(&:mail)
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end
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def notified_watchers
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notified = journalized.notified_watchers
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if private_notes?
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notified = notified.select {|user| user.allowed_to?(:view_private_notes, journalized.project)}
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end
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notified
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end
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def watcher_recipients
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notified_watchers.map(&:mail)
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end
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# Sets @custom_field instance variable on journals details using a single query
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def self.preload_journals_details_custom_fields(journals)
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field_ids = journals.map(&:details).flatten.select {|d| d.property == 'cf'}.map(&:prop_key).uniq
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if field_ids.any?
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fields_by_id = CustomField.where(:id => field_ids).inject({}) {|h, f| h[f.id] = f; h}
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journals.each do |journal|
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journal.details.each do |detail|
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if detail.property == 'cf'
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detail.instance_variable_set "@custom_field", fields_by_id[detail.prop_key.to_i]
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end
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end
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end
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end
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journals
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end
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# Stores the values of the attributes and custom fields of the journalized object
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def start
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if journalized
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@attributes_before_change = journalized.journalized_attribute_names.inject({}) do |h, attribute|
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h[attribute] = journalized.send(attribute)
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h
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end
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@custom_values_before_change = journalized.custom_field_values.inject({}) do |h, c|
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h[c.custom_field_id] = c.value
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h
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end
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end
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self
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end
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# Adds a journal detail for an attachment that was added or removed
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def journalize_attachment(attachment, added_or_removed)
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key = (added_or_removed == :removed ? :old_value : :value)
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details << JournalDetail.new(
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:property => 'attachment',
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:prop_key => attachment.id,
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key => attachment.filename
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)
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end
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# Adds a journal detail for an issue relation that was added or removed
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def journalize_relation(relation, added_or_removed)
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key = (added_or_removed == :removed ? :old_value : :value)
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details << JournalDetail.new(
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:property => 'relation',
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:prop_key => relation.relation_type_for(journalized),
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key => relation.other_issue(journalized).try(:id)
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)
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end
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private
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# Generates journal details for attribute and custom field changes
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def journalize_changes
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# attributes changes
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if @attributes_before_change
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journalized.journalized_attribute_names.each {|attribute|
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before = @attributes_before_change[attribute]
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after = journalized.send(attribute)
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next if before == after || (before.blank? && after.blank?)
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add_attribute_detail(attribute, before, after)
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}
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end
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if @custom_values_before_change
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# custom fields changes
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journalized.custom_field_values.each {|c|
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before = @custom_values_before_change[c.custom_field_id]
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after = c.value
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next if before == after || (before.blank? && after.blank?)
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if before.is_a?(Array) || after.is_a?(Array)
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before = [before] unless before.is_a?(Array)
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after = [after] unless after.is_a?(Array)
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# values removed
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(before - after).reject(&:blank?).each do |value|
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add_custom_value_detail(c, value, nil)
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end
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# values added
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(after - before).reject(&:blank?).each do |value|
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add_custom_value_detail(c, nil, value)
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end
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else
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add_custom_value_detail(c, before, after)
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end
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}
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end
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start
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end
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# Adds a journal detail for an attribute change
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def add_attribute_detail(attribute, old_value, value)
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add_detail('attr', attribute, old_value, value)
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end
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# Adds a journal detail for a custom field value change
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def add_custom_value_detail(custom_value, old_value, value)
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add_detail('cf', custom_value.custom_field_id, old_value, value)
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end
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# Adds a journal detail
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def add_detail(property, prop_key, old_value, value)
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details << JournalDetail.new(
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:property => property,
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:prop_key => prop_key,
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:old_value => old_value,
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:value => value
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)
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end
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def split_private_notes
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if private_notes?
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if notes.present?
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if details.any?
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# Split the journal (notes/changes) so we don't have half-private journals
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journal = Journal.new(:journalized => journalized, :user => user, :notes => nil, :private_notes => false)
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journal.details = details
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journal.save
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self.details = []
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self.created_on = journal.created_on
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end
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else
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# Blank notes should not be private
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self.private_notes = false
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end
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end
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true
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end
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def send_notification
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if notify? && (Setting.notified_events.include?('issue_updated') ||
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(Setting.notified_events.include?('issue_note_added') && notes.present?) ||
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(Setting.notified_events.include?('issue_status_updated') && new_status.present?) ||
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(Setting.notified_events.include?('issue_assigned_to_updated') && detail_for_attribute('assigned_to_id').present?) ||
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(Setting.notified_events.include?('issue_priority_updated') && new_value_for('priority_id').present?)
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)
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Mailer.deliver_issue_edit(self)
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end
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end
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end
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