Redmine/app/models/version.rb

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# Redmine - project management software
# Copyright (C) 2006-2011 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 Version < ActiveRecord::Base
include Redmine::SafeAttributes
after_update :update_issues_from_sharing_change
belongs_to :project
has_many :fixed_issues, :class_name => 'Issue', :foreign_key => 'fixed_version_id', :dependent => :nullify
acts_as_customizable
acts_as_attachable :view_permission => :view_files,
:delete_permission => :manage_files
VERSION_STATUSES = %w(open locked closed)
VERSION_SHARINGS = %w(none descendants hierarchy tree system)
validates_presence_of :name
validates_uniqueness_of :name, :scope => [:project_id]
validates_length_of :name, :maximum => 60
validates_format_of :effective_date, :with => /^\d{4}-\d{2}-\d{2}$/, :message => :not_a_date, :allow_nil => true
validates_inclusion_of :status, :in => VERSION_STATUSES
validates_inclusion_of :sharing, :in => VERSION_SHARINGS
scope :named, lambda {|arg| { :conditions => ["LOWER(#{table_name}.name) = LOWER(?)", arg.to_s.strip]}}
scope :open, :conditions => {:status => 'open'}
scope :visible, lambda {|*args| { :include => :project,
:conditions => Project.allowed_to_condition(args.first || User.current, :view_issues) } }
safe_attributes 'name',
'description',
'effective_date',
'due_date',
'wiki_page_title',
'status',
'sharing',
'custom_field_values'
# Returns true if +user+ or current user is allowed to view the version
def visible?(user=User.current)
user.allowed_to?(:view_issues, self.project)
end
# Version files have same visibility as project files
def attachments_visible?(*args)
project.present? && project.attachments_visible?(*args)
end
def start_date
@start_date ||= fixed_issues.minimum('start_date')
end
def due_date
effective_date
end
def due_date=(arg)
self.effective_date=(arg)
end
# Returns the total estimated time for this version
# (sum of leaves estimated_hours)
def estimated_hours
@estimated_hours ||= fixed_issues.leaves.sum(:estimated_hours).to_f
end
# Returns the total reported time for this version
def spent_hours
@spent_hours ||= TimeEntry.sum(:hours, :joins => :issue, :conditions => ["#{Issue.table_name}.fixed_version_id = ?", id]).to_f
end
def closed?
status == 'closed'
end
def open?
status == 'open'
end
# Returns true if the version is completed: due date reached and no open issues
def completed?
effective_date && (effective_date <= Date.today) && (open_issues_count == 0)
end
def behind_schedule?
if completed_pourcent == 100
return false
elsif due_date && start_date
done_date = start_date + ((due_date - start_date+1)* completed_pourcent/100).floor
return done_date <= Date.today
else
false # No issues so it's not late
end
end
# Returns the completion percentage of this version based on the amount of open/closed issues
# and the time spent on the open issues.
def completed_pourcent
if issues_count == 0
0
elsif open_issues_count == 0
100
else
issues_progress(false) + issues_progress(true)
end
end
# Returns the percentage of issues that have been marked as 'closed'.
def closed_pourcent
if issues_count == 0
0
else
issues_progress(false)
end
end
# Returns true if the version is overdue: due date reached and some open issues
def overdue?
effective_date && (effective_date < Date.today) && (open_issues_count > 0)
end
# Returns assigned issues count
def issues_count
load_issue_counts
@issue_count
end
# Returns the total amount of open issues for this version.
def open_issues_count
load_issue_counts
@open_issues_count
end
# Returns the total amount of closed issues for this version.
def closed_issues_count
load_issue_counts
@closed_issues_count
end
def wiki_page
if project.wiki && !wiki_page_title.blank?
@wiki_page ||= project.wiki.find_page(wiki_page_title)
end
@wiki_page
end
def to_s; name end
def to_s_with_project
"#{project} - #{name}"
end
# Versions are sorted by effective_date and "Project Name - Version name"
# Those with no effective_date are at the end, sorted by "Project Name - Version name"
def <=>(version)
if self.effective_date
if version.effective_date
if self.effective_date == version.effective_date
"#{self.project.name} - #{self.name}" <=> "#{version.project.name} - #{version.name}"
else
self.effective_date <=> version.effective_date
end
else
-1
end
else
if version.effective_date
1
else
"#{self.project.name} - #{self.name}" <=> "#{version.project.name} - #{version.name}"
end
end
end
# Returns the sharings that +user+ can set the version to
def allowed_sharings(user = User.current)
VERSION_SHARINGS.select do |s|
if sharing == s
true
else
case s
when 'system'
# Only admin users can set a systemwide sharing
user.admin?
when 'hierarchy', 'tree'
# Only users allowed to manage versions of the root project can
# set sharing to hierarchy or tree
project.nil? || user.allowed_to?(:manage_versions, project.root)
else
true
end
end
end
end
private
def load_issue_counts
unless @issue_count
@open_issues_count = 0
@closed_issues_count = 0
fixed_issues.count(:all, :group => :status).each do |status, count|
if status.is_closed?
@closed_issues_count += count
else
@open_issues_count += count
end
end
@issue_count = @open_issues_count + @closed_issues_count
end
end
# Update the issue's fixed versions. Used if a version's sharing changes.
def update_issues_from_sharing_change
if sharing_changed?
if VERSION_SHARINGS.index(sharing_was).nil? ||
VERSION_SHARINGS.index(sharing).nil? ||
VERSION_SHARINGS.index(sharing_was) > VERSION_SHARINGS.index(sharing)
Issue.update_versions_from_sharing_change self
end
end
end
# Returns the average estimated time of assigned issues
# or 1 if no issue has an estimated time
# Used to weigth unestimated issues in progress calculation
def estimated_average
if @estimated_average.nil?
average = fixed_issues.average(:estimated_hours).to_f
if average == 0
average = 1
end
@estimated_average = average
end
@estimated_average
end
# Returns the total progress of open or closed issues. The returned percentage takes into account
# the amount of estimated time set for this version.
#
# Examples:
# issues_progress(true) => returns the progress percentage for open issues.
# issues_progress(false) => returns the progress percentage for closed issues.
def issues_progress(open)
@issues_progress ||= {}
@issues_progress[open] ||= begin
progress = 0
if issues_count > 0
ratio = open ? 'done_ratio' : 100
done = fixed_issues.sum("COALESCE(estimated_hours, #{estimated_average}) * #{ratio}",
:joins => :status,
:conditions => ["#{IssueStatus.table_name}.is_closed = ?", !open]).to_f
progress = done / (estimated_average * issues_count)
end
progress
end
end
end