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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 TimeEntry < ActiveRecord::Base
# could have used polymorphic association
# project association here allows easy loading of time entries at project level with one database trip
belongs_to :project
belongs_to :issue
belongs_to :user
belongs_to :activity, :class_name => 'Enumeration', :foreign_key => :activity_id
attr_protected :project_id, :user_id, :tyear, :tmonth, :tweek
validates_presence_of :user_id, :activity_id, :project_id, :hours, :spent_on
validates_numericality_of :hours, :allow_nil => true
validates_length_of :comments, :maximum => 255
def before_validation
self.project = issue.project if issue && project.nil?
end
def validate
errors.add :hours, :activerecord_error_invalid if hours && (hours < 0 || hours >= 1000)
errors.add :project_id, :activerecord_error_invalid if project.nil?
errors.add :issue_id, :activerecord_error_invalid if (issue_id && !issue) || (issue && project!=issue.project)
end
# tyear, tmonth, tweek assigned where setting spent_on attributes
# these attributes make time aggregations easier
def spent_on=(date)
super
self.tyear = spent_on ? spent_on.year : nil
self.tmonth = spent_on ? spent_on.month : nil
self.tweek = spent_on ? Date.civil(spent_on.year, spent_on.month, spent_on.day).cweek : nil
end
end
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