Redmine/app/models/issue.rb

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# redMine - project management software
# Copyright (C) 2006-2007 Jean-Philippe Lang
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
class Issue < ActiveRecord::Base
belongs_to :project
belongs_to :tracker
belongs_to :status, :class_name => 'IssueStatus', :foreign_key => 'status_id'
belongs_to :author, :class_name => 'User', :foreign_key => 'author_id'
belongs_to :assigned_to, :class_name => 'User', :foreign_key => 'assigned_to_id'
belongs_to :fixed_version, :class_name => 'Version', :foreign_key => 'fixed_version_id'
belongs_to :priority, :class_name => 'Enumeration', :foreign_key => 'priority_id'
belongs_to :category, :class_name => 'IssueCategory', :foreign_key => 'category_id'
has_many :journals, :as => :journalized, :dependent => :destroy
has_many :attachments, :as => :container, :dependent => :destroy
has_many :time_entries, :dependent => :delete_all
has_many :custom_values, :dependent => :delete_all, :as => :customized
has_many :custom_fields, :through => :custom_values
has_and_belongs_to_many :changesets, :order => "revision ASC"
has_many :relations_from, :class_name => 'IssueRelation', :foreign_key => 'issue_from_id', :dependent => :delete_all
has_many :relations_to, :class_name => 'IssueRelation', :foreign_key => 'issue_to_id', :dependent => :delete_all
acts_as_watchable
acts_as_searchable :columns => ['subject', "#{table_name}.description"], :include => :project, :with => {:journal => :issue}
acts_as_event :title => Proc.new {|o| "#{o.tracker.name} ##{o.id}: #{o.subject}"},
:url => Proc.new {|o| {:controller => 'issues', :action => 'show', :id => o.id}}
validates_presence_of :subject, :description, :priority, :project, :tracker, :author, :status
validates_length_of :subject, :maximum => 255
validates_inclusion_of :done_ratio, :in => 0..100
validates_numericality_of :estimated_hours, :allow_nil => true
validates_associated :custom_values, :on => :update
def after_initialize
if new_record?
# set default values for new records only
self.status ||= IssueStatus.default
self.priority ||= Enumeration.default('IPRI')
end
end
def copy_from(arg)
issue = arg.is_a?(Issue) ? arg : Issue.find(arg)
self.attributes = issue.attributes.dup
self.custom_values = issue.custom_values.collect {|v| v.clone}
self
end
# Move an issue to a new project and tracker
def move_to(new_project, new_tracker = nil)
transaction do
if new_project && project_id != new_project.id
# delete issue relations
unless Setting.cross_project_issue_relations?
self.relations_from.clear
self.relations_to.clear
end
# issue is moved to another project
self.category = nil
self.fixed_version = nil
self.project = new_project
end
if new_tracker
self.tracker = new_tracker
end
if save
# Manually update project_id on related time entries
TimeEntry.update_all("project_id = #{new_project.id}", {:issue_id => id})
else
rollback_db_transaction
return false
end
end
return true
end
def priority_id=(pid)
self.priority = nil
write_attribute(:priority_id, pid)
end
def estimated_hours=(h)
write_attribute :estimated_hours, (h.is_a?(String) ? h.to_hours : h)
end
def validate
if self.due_date.nil? && @attributes['due_date'] && !@attributes['due_date'].empty?
errors.add :due_date, :activerecord_error_not_a_date
end
if self.due_date and self.start_date and self.due_date < self.start_date
errors.add :due_date, :activerecord_error_greater_than_start_date
end
if start_date && soonest_start && start_date < soonest_start
errors.add :start_date, :activerecord_error_invalid
end
end
def validate_on_create
errors.add :tracker_id, :activerecord_error_invalid unless project.trackers.include?(tracker)
end
def before_create
# default assignment based on category
if assigned_to.nil? && category && category.assigned_to
self.assigned_to = category.assigned_to
end
end
def before_save
if @current_journal
# attributes changes
(Issue.column_names - %w(id description)).each {|c|
@current_journal.details << JournalDetail.new(:property => 'attr',
:prop_key => c,
:old_value => @issue_before_change.send(c),
:value => send(c)) unless send(c)==@issue_before_change.send(c)
}
# custom fields changes
custom_values.each {|c|
next if (@custom_values_before_change[c.custom_field_id]==c.value ||
(@custom_values_before_change[c.custom_field_id].blank? && c.value.blank?))
@current_journal.details << JournalDetail.new(:property => 'cf',
:prop_key => c.custom_field_id,
:old_value => @custom_values_before_change[c.custom_field_id],
:value => c.value)
}
@current_journal.save
end
# Save the issue even if the journal is not saved (because empty)
true
end
def after_save
# Reload is needed in order to get the right status
reload
# Update start/due dates of following issues
relations_from.each(&:set_issue_to_dates)
# Close duplicates if the issue was closed
if @issue_before_change && !@issue_before_change.closed? && self.closed?
duplicates.each do |duplicate|
# Reload is need in case the duplicate was updated by a previous duplicate
duplicate.reload
# Don't re-close it if it's already closed
next if duplicate.closed?
# Same user and notes
duplicate.init_journal(@current_journal.user, @current_journal.notes)
duplicate.update_attribute :status, self.status
end
end
end
def custom_value_for(custom_field)
self.custom_values.each {|v| return v if v.custom_field_id == custom_field.id }
return nil
end
def init_journal(user, notes = "")
@current_journal ||= Journal.new(:journalized => self, :user => user, :notes => notes)
@issue_before_change = self.clone
@issue_before_change.status = self.status
@custom_values_before_change = {}
self.custom_values.each {|c| @custom_values_before_change.store c.custom_field_id, c.value }
@current_journal
end
# Return true if the issue is closed, otherwise false
def closed?
self.status.is_closed?
end
# Users the issue can be assigned to
def assignable_users
project.assignable_users
end
# Returns an array of status that user is able to apply
def new_statuses_allowed_to(user)
statuses = status.find_new_statuses_allowed_to(user.role_for_project(project), tracker)
statuses << status unless statuses.empty?
statuses.uniq.sort
end
# Returns the mail adresses of users that should be notified for the issue
def recipients
recipients = project.recipients
# Author and assignee are always notified unless they have been locked
recipients << author.mail if author && author.active?
recipients << assigned_to.mail if assigned_to && assigned_to.active?
recipients.compact.uniq
end
def spent_hours
@spent_hours ||= time_entries.sum(:hours) || 0
end
def relations
(relations_from + relations_to).sort
end
def all_dependent_issues
dependencies = []
relations_from.each do |relation|
dependencies << relation.issue_to
dependencies += relation.issue_to.all_dependent_issues
end
dependencies
end
# Returns an array of the duplicate issues
def duplicates
relations.select {|r| r.relation_type == IssueRelation::TYPE_DUPLICATES}.collect {|r| r.other_issue(self)}
end
def duration
(start_date && due_date) ? due_date - start_date : 0
end
def soonest_start
@soonest_start ||= relations_to.collect{|relation| relation.successor_soonest_start}.compact.min
end
def self.visible_by(usr)
with_scope(:find => { :conditions => Project.visible_by(usr) }) do
yield
end
end
def to_s
"#{tracker} ##{id}: #{subject}"
end
end