Adds a branch for unlimited project hierarchy.

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/branches/work@2148 e93f8b46-1217-0410-a6f0-8f06a7374b81

nested_projects/app/models/version.rb

@@ -0,0 +1,107 @@
+# redMine - project management software
+# Copyright (C) 2006  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
+  before_destroy :check_integrity
+  belongs_to :project
+  has_many :fixed_issues, :class_name => 'Issue', :foreign_key => 'fixed_version_id'
+  acts_as_attachable :view_permission => :view_files,
+                     :delete_permission => :manage_files
+
+  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 => 'activerecord_error_not_a_date', :allow_nil => true
+  
+  def start_date
+    effective_date
+  end
+  
+  def due_date
+    effective_date
+  end
+  
+  # Returns the total estimated time for this version
+  def estimated_hours
+    @estimated_hours ||= fixed_issues.sum(:estimated_hours).to_f
+  end
+  
+  # Returns the total reported time for this version
+  def spent_hours
+    @spent_hours ||= TimeEntry.sum(:hours, :include => :issue, :conditions => ["#{Issue.table_name}.fixed_version_id = ?", id]).to_f
+  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 completed_pourcent
+    if fixed_issues.count == 0
+      0
+    elsif open_issues_count == 0
+      100
+    else
+      (closed_issues_count * 100 + Issue.sum('done_ratio', :include => 'status', :conditions => ["fixed_version_id = ? AND is_closed = ?", id, false]).to_f) / fixed_issues.count
+    end
+  end
+  
+  def closed_pourcent
+    if fixed_issues.count == 0
+      0
+    else
+      closed_issues_count * 100.0 / fixed_issues.count
+    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
+  
+  def open_issues_count
+    @open_issues_count ||= Issue.count(:all, :conditions => ["fixed_version_id = ? AND is_closed = ?", self.id, false], :include => :status)
+  end
+
+  def closed_issues_count
+    @closed_issues_count ||= Issue.count(:all, :conditions => ["fixed_version_id = ? AND is_closed = ?", self.id, true], :include => :status)
+  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
+  
+  # Versions are sorted by effective_date and name
+  # Those with no effective_date are at the end, sorted by name
+  def <=>(version)
+    if self.effective_date
+      version.effective_date ? (self.effective_date == version.effective_date ? self.name <=> version.name : self.effective_date <=> version.effective_date) : -1
+    else
+      version.effective_date ? 1 : (self.name <=> version.name)
+    end
+  end
+  
+private
+  def check_integrity
+    raise "Can't delete version" if self.fixed_issues.find(:first)
+  end
+end