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 => :nullify
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
validates_presence_of :subject, :description, :priority, :tracker, :author, :status
validates_length_of :subject, :maximum => 255
validates_inclusion_of :done_ratio, :in => 0..100
validates_associated :custom_values, :on => :update
# set default status for new issues
def before_validation
self.status = IssueStatus.default if status.nil?
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
# validate assignment
if assigned_to && !assignable_users.include?(assigned_to)
errors.add :assigned_to_id, :activerecord_error_invalid
end
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|
@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) unless @custom_values_before_change[c.custom_field_id]==c.value
}
@current_journal.save unless @current_journal.details.empty? and @current_journal.notes.empty?
end
end
def after_save
relations_from.each(&:set_issue_to_dates)
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
@custom_values_before_change = {}
self.custom_values.each {|c| @custom_values_before_change.store c.custom_field_id, c.value }
@current_journal
end
# Users the issue can be assigned to
def assignable_users
project.members.select {|m| m.role.assignable?}.collect {|m| m.user}
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
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
end