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# redMine - project management software
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# Copyright (C) 2006-2008 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 => 'TimeEntryActivity', :foreign_key => 'activity_id'
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attr_protected :project_id, :user_id, :tyear, :tmonth, :tweek
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acts_as_customizable
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acts_as_event :title => Proc.new {|o| "#{l_hours(o.hours)} (#{(o.issue || o.project).event_title})"},
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:url => Proc.new {|o| {:controller => 'timelog', :action => 'index', :project_id => o.project, :issue_id => o.issue}},
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:author => :user,
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:description => :comments
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acts_as_activity_provider :timestamp => "#{table_name}.created_on",
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:author_key => :user_id,
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:find_options => {:include => :project}
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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, :message => :invalid
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validates_length_of :comments, :maximum => 255, :allow_nil => true
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def after_initialize
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if new_record? && self.activity.nil?
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if default_activity = TimeEntryActivity.default
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self.activity_id = default_activity.id
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end
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self.hours = nil if hours == 0
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end
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end
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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, :invalid if hours && (hours < 0 || hours >= 1000)
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errors.add :project_id, :invalid if project.nil?
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errors.add :issue_id, :invalid if (issue_id && !issue) || (issue && project!=issue.project)
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end
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def hours=(h)
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write_attribute :hours, (h.is_a?(String) ? (h.to_hours || h) : h)
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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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# Returns true if the time entry can be edited by usr, otherwise false
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def editable_by?(usr)
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(usr == user && usr.allowed_to?(:edit_own_time_entries, project)) || usr.allowed_to?(:edit_time_entries, project)
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end
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def self.visible_by(usr)
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with_scope(:find => { :conditions => Project.allowed_to_condition(usr, :view_time_entries) }) do
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yield
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end
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end
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def self.earilest_date_for_project(project=nil)
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finder_conditions = ARCondition.new(Project.allowed_to_condition(User.current, :view_time_entries))
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if project
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finder_conditions << ["project_id IN (?)", project.hierarchy.collect(&:id)]
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end
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TimeEntry.minimum(:spent_on, :include => :project, :conditions => finder_conditions.conditions)
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end
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def self.latest_date_for_project(project=nil)
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finder_conditions = ARCondition.new(Project.allowed_to_condition(User.current, :view_time_entries))
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if project
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finder_conditions << ["project_id IN (?)", project.hierarchy.collect(&:id)]
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end
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TimeEntry.maximum(:spent_on, :include => :project, :conditions => finder_conditions.conditions)
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end
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end
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