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# redMine - project management software
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# Copyright (C) 2006-2007 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 TimeEntry < ActiveRecord::Base
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# could have used polymorphic association
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# project association here allows easy loading of time entries at project level with one database trip
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belongs_to :project
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belongs_to :issue
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belongs_to :user
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belongs_to :activity, :class_name => 'Enumeration', :foreign_key => :activity_id
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attr_protected :project_id, :user_id, :tyear, :tmonth, :tweek
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validates_presence_of :user_id, :activity_id, :project_id, :hours, :spent_on
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validates_numericality_of :hours, :allow_nil => true
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validates_length_of :comments, :maximum => 255
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def before_validation
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self.project = issue.project if issue && project.nil?
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end
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def validate
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errors.add :hours, :activerecord_error_invalid if hours && (hours < 0 || hours >= 1000)
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errors.add :project_id, :activerecord_error_invalid if project.nil?
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errors.add :issue_id, :activerecord_error_invalid if (issue_id && !issue) || (issue && project!=issue.project)
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end
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# tyear, tmonth, tweek assigned where setting spent_on attributes
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# these attributes make time aggregations easier
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def spent_on=(date)
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super
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self.tyear = spent_on ? spent_on.year : nil
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self.tmonth = spent_on ? spent_on.month : nil
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self.tweek = spent_on ? Date.civil(spent_on.year, spent_on.month, spent_on.day).cweek : nil
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end
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end
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