Redmine

# 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 Project < ActiveRecord::Base

  # Project statuses

  STATUS_ACTIVE     = 1

  STATUS_ARCHIVED   = 9

  # Specific overidden Activities

  has_many :time_entry_activities

  has_many :members, :include => [:user, :roles], :conditions => "#{User.table_name}.type='User' AND #{User.table_name}.status=#{User::STATUS_ACTIVE}"

  has_many :memberships, :class_name => 'Member'

  has_many :member_principals, :class_name => 'Member', 

                               :include => :principal,

                               :conditions => "#{Principal.table_name}.type='Group' OR (#{Principal.table_name}.type='User' AND #{Principal.table_name}.status=#{User::STATUS_ACTIVE})"

  has_many :users, :through => :members

  has_many :principals, :through => :member_principals, :source => :principal

  has_many :enabled_modules, :dependent => :delete_all

  has_and_belongs_to_many :trackers, :order => "#{Tracker.table_name}.position"

  has_many :issues, :dependent => :destroy, :order => "#{Issue.table_name}.created_on DESC", :include => [:status, :tracker]

  has_many :issue_changes, :through => :issues, :source => :journals

  has_many :versions, :dependent => :destroy, :order => "#{Version.table_name}.effective_date DESC, #{Version.table_name}.name DESC"

  has_many :time_entries, :dependent => :delete_all

  has_many :queries, :dependent => :delete_all

  has_many :documents, :dependent => :destroy

  has_many :news, :dependent => :delete_all, :include => :author

  has_many :issue_categories, :dependent => :delete_all, :order => "#{IssueCategory.table_name}.name"

  has_many :boards, :dependent => :destroy, :order => "position ASC"

  has_one :repository, :dependent => :destroy

  has_many :changesets, :through => :repository

  has_one :wiki, :dependent => :destroy

  # Custom field for the project issues

  has_and_belongs_to_many :issue_custom_fields, 

                          :class_name => 'IssueCustomField',

                          :order => "#{CustomField.table_name}.position",

                          :join_table => "#{table_name_prefix}custom_fields_projects#{table_name_suffix}",

                          :association_foreign_key => 'custom_field_id'

  acts_as_nested_set :order => 'name'

  acts_as_attachable :view_permission => :view_files,

                     :delete_permission => :manage_files

  acts_as_customizable

  acts_as_searchable :columns => ['name', 'identifier', 'description'], :project_key => 'id', :permission => nil

  acts_as_event :title => Proc.new {|o| "#{l(:label_project)}: #{o.name}"},

                :url => Proc.new {|o| {:controller => 'projects', :action => 'show', :id => o}},

                :author => nil

  attr_protected :status, :enabled_module_names

  validates_presence_of :name, :identifier

  validates_uniqueness_of :name, :identifier

  validates_associated :repository, :wiki

  validates_length_of :name, :maximum => 30

  validates_length_of :homepage, :maximum => 255

  validates_length_of :identifier, :in => 1..20

  # donwcase letters, digits, dashes but not digits only

  validates_format_of :identifier, :with => /^(?!\d+$)[a-z0-9\-]*$/, :if => Proc.new { |p| p.identifier_changed? }

  # reserved words

  validates_exclusion_of :identifier, :in => %w( new )

  before_destroy :delete_all_members, :destroy_children

  named_scope :has_module, lambda { |mod| { :conditions => ["#{Project.table_name}.id IN (SELECT em.project_id FROM #{EnabledModule.table_name} em WHERE em.name=?)", mod.to_s] } }

  named_scope :active, { :conditions => "#{Project.table_name}.status = #{STATUS_ACTIVE}"}

  named_scope :all_public, { :conditions => { :is_public => true } }

  named_scope :visible, lambda { { :conditions => Project.visible_by(User.current) } }

  def identifier=(identifier)

    super unless identifier_frozen?

  end

  def identifier_frozen?

    errors[:identifier].nil? && !(new_record? || identifier.blank?)

  end

  # returns latest created projects

  # non public projects will be returned only if user is a member of those

  def self.latest(user=nil, count=5)

    find(:all, :limit => count, :conditions => visible_by(user), :order => "created_on DESC")	

  end	

  # Returns a SQL :conditions string used to find all active projects for the specified user.

  #

  # Examples:

  #     Projects.visible_by(admin)        => "projects.status = 1"

  #     Projects.visible_by(normal_user)  => "projects.status = 1 AND projects.is_public = 1"

  def self.visible_by(user=nil)

    user ||= User.current

    if user && user.admin?

      return "#{Project.table_name}.status=#{Project::STATUS_ACTIVE}"

    elsif user && user.memberships.any?

      return "#{Project.table_name}.status=#{Project::STATUS_ACTIVE} AND (#{Project.table_name}.is_public = #{connection.quoted_true} or #{Project.table_name}.id IN (#{user.memberships.collect{|m| m.project_id}.join(',')}))"

    else

      return "#{Project.table_name}.status=#{Project::STATUS_ACTIVE} AND #{Project.table_name}.is_public = #{connection.quoted_true}"

    end

  end

  def self.allowed_to_condition(user, permission, options={})

    statements = []

    base_statement = "#{Project.table_name}.status=#{Project::STATUS_ACTIVE}"

    if perm = Redmine::AccessControl.permission(permission)

      unless perm.project_module.nil?

        # If the permission belongs to a project module, make sure the module is enabled

        base_statement << " AND #{Project.table_name}.id IN (SELECT em.project_id FROM #{EnabledModule.table_name} em WHERE em.name='#{perm.project_module}')"

      end

    end

    if options[:project]

      project_statement = "#{Project.table_name}.id = #{options[:project].id}"

      project_statement << " OR (#{Project.table_name}.lft > #{options[:project].lft} AND #{Project.table_name}.rgt < #{options[:project].rgt})" if options[:with_subprojects]

      base_statement = "(#{project_statement}) AND (#{base_statement})"

    end

    if user.admin?

      # no restriction

    else

      statements << "1=0"

      if user.logged?

        if Role.non_member.allowed_to?(permission) && !options[:member]

          statements << "#{Project.table_name}.is_public = #{connection.quoted_true}"

        end

        allowed_project_ids = user.memberships.select {|m| m.roles.detect {|role| role.allowed_to?(permission)}}.collect {|m| m.project_id}

        statements << "#{Project.table_name}.id IN (#{allowed_project_ids.join(',')})" if allowed_project_ids.any?

      else

        if Role.anonymous.allowed_to?(permission) && !options[:member]

          # anonymous user allowed on public project

          statements << "#{Project.table_name}.is_public = #{connection.quoted_true}"

        end 

      end

    end

    statements.empty? ? base_statement : "((#{base_statement}) AND (#{statements.join(' OR ')}))"

  end

  # Returns the Systemwide and project specific activities

  def activities(include_inactive=false)

    if include_inactive

      return all_activities

    else

      return active_activities

    end

  end

  # Will create a new Project specific Activity or update an existing one

  #

  # This will raise a ActiveRecord::Rollback if the TimeEntryActivity

  # does not successfully save.

  def update_or_create_time_entry_activity(id, activity_hash)

    if activity_hash.respond_to?(:has_key?) && activity_hash.has_key?('parent_id')

      self.create_time_entry_activity_if_needed(activity_hash)

    else

      activity = project.time_entry_activities.find_by_id(id.to_i)

      activity.update_attributes(activity_hash) if activity

    end

  end

  # Create a new TimeEntryActivity if it overrides a system TimeEntryActivity

  #

  # This will raise a ActiveRecord::Rollback if the TimeEntryActivity

  # does not successfully save.

  def create_time_entry_activity_if_needed(activity)

    if activity['parent_id']

      parent_activity = TimeEntryActivity.find(activity['parent_id'])

      activity['name'] = parent_activity.name

      activity['position'] = parent_activity.position

      if Enumeration.overridding_change?(activity, parent_activity)

        project_activity = self.time_entry_activities.create(activity)

        if project_activity.new_record?

          raise ActiveRecord::Rollback, "Overridding TimeEntryActivity was not successfully saved"

        else

          self.time_entries.update_all("activity_id = #{project_activity.id}", ["activity_id = ?", parent_activity.id])

        end

      end

    end

  end

  # Returns a :conditions SQL string that can be used to find the issues associated with this project.

  #

  # Examples:

  #   project.project_condition(true)  => "(projects.id = 1 OR (projects.lft > 1 AND projects.rgt < 10))"

  #   project.project_condition(false) => "projects.id = 1"

  def project_condition(with_subprojects)

    cond = "#{Project.table_name}.id = #{id}"

    cond = "(#{cond} OR (#{Project.table_name}.lft > #{lft} AND #{Project.table_name}.rgt < #{rgt}))" if with_subprojects

    cond

  end

  def self.find(*args)

    if args.first && args.first.is_a?(String) && !args.first.match(/^\d*$/)

      project = find_by_identifier(*args)

      raise ActiveRecord::RecordNotFound, "Couldn't find Project with identifier=#{args.first}" if project.nil?

      project

    else

      super

    end

  end

  def to_param

    # id is used for projects with a numeric identifier (compatibility)

    @to_param ||= (identifier.to_s =~ %r{^\d*$} ? id : identifier)

  end

  def active?

    self.status == STATUS_ACTIVE

  end

  # Archives the project and its descendants

  def archive

    # Check that there is no issue of a non descendant project that is assigned

    # to one of the project or descendant versions

    v_ids = self_and_descendants.collect {|p| p.version_ids}.flatten

    if v_ids.any? && Issue.find(:first, :include => :project,

                                        :conditions => ["(#{Project.table_name}.lft < ? OR #{Project.table_name}.rgt > ?)" +

                                                        " AND #{Issue.table_name}.fixed_version_id IN (?)", lft, rgt, v_ids])

      return false

    end

    Project.transaction do

      archive!

    end

    true

  end

  # Unarchives the project

  # All its ancestors must be active

  def unarchive

    return false if ancestors.detect {|a| !a.active?}

    update_attribute :status, STATUS_ACTIVE

  end

  # Returns an array of projects the project can be moved to

  # by the current user

  def allowed_parents

    return @allowed_parents if @allowed_parents

    @allowed_parents = Project.find(:all, :conditions => Project.allowed_to_condition(User.current, :add_subprojects))

    @allowed_parents = @allowed_parents - self_and_descendants

    if User.current.allowed_to?(:add_project, nil, :global => true) || (!new_record? && parent.nil?)

      @allowed_parents << nil

    end

    unless parent.nil? || @allowed_parents.empty? || @allowed_parents.include?(parent)

      @allowed_parents << parent

    end

    @allowed_parents

  end

  # Sets the parent of the project with authorization check

  def set_allowed_parent!(p)

    unless p.nil? || p.is_a?(Project)

      if p.to_s.blank?

        p = nil

      else

        p = Project.find_by_id(p)

        return false unless p

      end

    end

    if p.nil?

      if !new_record? && allowed_parents.empty?

        return false

      end

    elsif !allowed_parents.include?(p)

      return false

    end

    set_parent!(p)

  end

  # Sets the parent of the project

  # Argument can be either a Project, a String, a Fixnum or nil

  def set_parent!(p)

    unless p.nil? || p.is_a?(Project)

      if p.to_s.blank?

        p = nil

      else

        p = Project.find_by_id(p)

        return false unless p

      end

    end

    if p == parent && !p.nil?

      # Nothing to do

      true

    elsif p.nil? || (p.active? && move_possible?(p))

      # Insert the project so that target's children or root projects stay alphabetically sorted

      sibs = (p.nil? ? self.class.roots : p.children)

      to_be_inserted_before = sibs.detect {|c| c.name.to_s.downcase > name.to_s.downcase }

      if to_be_inserted_before

        move_to_left_of(to_be_inserted_before)

      elsif p.nil?

        if sibs.empty?

          # move_to_root adds the project in first (ie. left) position

          move_to_root

        else

          move_to_right_of(sibs.last) unless self == sibs.last

        end

      else

        # move_to_child_of adds the project in last (ie.right) position

        move_to_child_of(p)

      end

      Issue.update_versions_from_hierarchy_change(self)

      true

    else

      # Can not move to the given target

      false

    end

  end

  # Returns an array of the trackers used by the project and its active sub projects

  def rolled_up_trackers

    @rolled_up_trackers ||=

      Tracker.find(:all, :include => :projects,

                         :select => "DISTINCT #{Tracker.table_name}.*",

                         :conditions => ["#{Project.table_name}.lft >= ? AND #{Project.table_name}.rgt <= ? AND #{Project.table_name}.status = #{STATUS_ACTIVE}", lft, rgt],

                         :order => "#{Tracker.table_name}.position")

  end

  # Closes open and locked project versions that are completed

  def close_completed_versions

    Version.transaction do

      versions.find(:all, :conditions => {:status => %w(open locked)}).each do |version|

        if version.completed?

          version.update_attribute(:status, 'closed')

        end

      end

    end

  end

  # Returns a scope of the Versions on subprojects

  def rolled_up_versions

    @rolled_up_versions ||=

      Version.scoped(:include => :project,

                     :conditions => ["#{Project.table_name}.lft >= ? AND #{Project.table_name}.rgt <= ? AND #{Project.table_name}.status = #{STATUS_ACTIVE}", lft, rgt])

  end

  # Returns a scope of the Versions used by the project

  def shared_versions

    @shared_versions ||= 

      Version.scoped(:include => :project,

                     :conditions => "#{Project.table_name}.id = #{id}" +

                                    " OR (#{Project.table_name}.status = #{Project::STATUS_ACTIVE} AND (" +

                                          " #{Version.table_name}.sharing = 'system'" +

                                          " OR (#{Project.table_name}.lft >= #{root.lft} AND #{Project.table_name}.rgt <= #{root.rgt} AND #{Version.table_name}.sharing = 'tree')" +

                                          " OR (#{Project.table_name}.lft < #{lft} AND #{Project.table_name}.rgt > #{rgt} AND #{Version.table_name}.sharing IN ('hierarchy', 'descendants'))" +

                                          " OR (#{Project.table_name}.lft > #{lft} AND #{Project.table_name}.rgt < #{rgt} AND #{Version.table_name}.sharing = 'hierarchy')" +

                                          "))")

  end

  # Returns a hash of project users grouped by role

  def users_by_role

    members.find(:all, :include => [:user, :roles]).inject({}) do |h, m|

      m.roles.each do |r|

        h[r] ||= []

        h[r] << m.user

      end

      h

    end

  end

  # Deletes all project's members

  def delete_all_members

    me, mr = Member.table_name, MemberRole.table_name

    connection.delete("DELETE FROM #{mr} WHERE #{mr}.member_id IN (SELECT #{me}.id FROM #{me} WHERE #{me}.project_id = #{id})")

    Member.delete_all(['project_id = ?', id])

  end

  # Users issues can be assigned to

  def assignable_users

    members.select {|m| m.roles.detect {|role| role.assignable?}}.collect {|m| m.user}.sort

  end

  # Returns the mail adresses of users that should be always notified on project events

  def recipients

    members.select {|m| m.mail_notification? || m.user.mail_notification?}.collect {|m| m.user.mail}

  end

  # Returns the users that should be notified on project events

  def notified_users

    members.select {|m| m.mail_notification? || m.user.mail_notification?}.collect {|m| m.user}

  end

  # Returns an array of all custom fields enabled for project issues

  # (explictly associated custom fields and custom fields enabled for all projects)

  def all_issue_custom_fields

    @all_issue_custom_fields ||= (IssueCustomField.for_all + issue_custom_fields).uniq.sort

  end

  def project

    self

  end

  def <=>(project)

    name.downcase <=> project.name.downcase

  end

  def to_s

    name

  end

  # Returns a short description of the projects (first lines)

  def short_description(length = 255)

    description.gsub(/^(.{#{length}}[^\n\r]*).*$/m, '\1...').strip if description

  end

  def css_classes

    s = 'project'

    s << ' root' if root?

    s << ' child' if child?

    s << (leaf? ? ' leaf' : ' parent')

    s

  end

  # Return true if this project is allowed to do the specified action.

  # action can be:

  # * a parameter-like Hash (eg. :controller => 'projects', :action => 'edit')

  # * a permission Symbol (eg. :edit_project)

  def allows_to?(action)

    if action.is_a? Hash

      allowed_actions.include? "#{action[:controller]}/#{action[:action]}"

    else

      allowed_permissions.include? action

    end

  end

  def module_enabled?(module_name)

    module_name = module_name.to_s

    enabled_modules.detect {|m| m.name == module_name}

  end

  def enabled_module_names=(module_names)

    if module_names && module_names.is_a?(Array)

      module_names = module_names.collect(&:to_s)

      # remove disabled modules

      enabled_modules.each {|mod| mod.destroy unless module_names.include?(mod.name)}

      # add new modules

      module_names.reject {|name| module_enabled?(name)}.each {|name| enabled_modules << EnabledModule.new(:name => name)}

    else

      enabled_modules.clear

    end

  end

  # Returns an array of projects that are in this project's hierarchy

  #

  # Example: parents, children, siblings

  def hierarchy

    parents = project.self_and_ancestors || []

    descendants = project.descendants || []

    project_hierarchy = parents | descendants # Set union

  end

  # Returns an auto-generated project identifier based on the last identifier used

  def self.next_identifier

    p = Project.find(:first, :order => 'created_on DESC')

    p.nil? ? nil : p.identifier.to_s.succ

  end

  # Copies and saves the Project instance based on the +project+.

  # Duplicates the source project's:

  # * Wiki

  # * Versions

  # * Categories

  # * Issues

  # * Members

  # * Queries

  #

  # Accepts an +options+ argument to specify what to copy

  #

  # Examples:

  #   project.copy(1)                                    # => copies everything

  #   project.copy(1, :only => 'members')                # => copies members only

  #   project.copy(1, :only => ['members', 'versions'])  # => copies members and versions

  def copy(project, options={})

    project = project.is_a?(Project) ? project : Project.find(project)

    to_be_copied = %w(wiki versions issue_categories issues members queries boards documents)

    to_be_copied = to_be_copied & options[:only].to_a unless options[:only].nil?

    Project.transaction do

      if save

        reload

        to_be_copied.each do |name|

          send "copy_#{name}", project

        end

        Redmine::Hook.call_hook(:model_project_copy_before_save, :source_project => project, :destination_project => self)

        save

      end

    end

  end

  # Copies +project+ and returns the new instance.  This will not save

  # the copy

  def self.copy_from(project)

    begin

      project = project.is_a?(Project) ? project : Project.find(project)

      if project

        # clear unique attributes

        attributes = project.attributes.dup.except('id', 'name', 'identifier', 'status', 'parent_id', 'lft', 'rgt')

        copy = Project.new(attributes)

        copy.enabled_modules = project.enabled_modules

        copy.trackers = project.trackers

        copy.custom_values = project.custom_values.collect {|v| v.clone}

        copy.issue_custom_fields = project.issue_custom_fields

        return copy

      else

        return nil

      end

    rescue ActiveRecord::RecordNotFound

      return nil

    end

  end

  private

  # Destroys children before destroying self

  def destroy_children

    children.each do |child|

      child.destroy

    end

  end

  # Copies wiki from +project+

  def copy_wiki(project)

    # Check that the source project has a wiki first

    unless project.wiki.nil?

      self.wiki ||= Wiki.new

      wiki.attributes = project.wiki.attributes.dup.except("id", "project_id")

      wiki_pages_map = {}

      project.wiki.pages.each do |page|

        # Skip pages without content

        next if page.content.nil?

        new_wiki_content = WikiContent.new(page.content.attributes.dup.except("id", "page_id", "updated_on"))

        new_wiki_page = WikiPage.new(page.attributes.dup.except("id", "wiki_id", "created_on", "parent_id"))

        new_wiki_page.content = new_wiki_content

        wiki.pages << new_wiki_page

        wiki_pages_map[page.id] = new_wiki_page

      end

      wiki.save

      # Reproduce page hierarchy

      project.wiki.pages.each do |page|

        if page.parent_id && wiki_pages_map[page.id]

          wiki_pages_map[page.id].parent = wiki_pages_map[page.parent_id]

          wiki_pages_map[page.id].save

        end

      end

    end

  end

  # Copies versions from +project+

  def copy_versions(project)

    project.versions.each do |version|

      new_version = Version.new

      new_version.attributes = version.attributes.dup.except("id", "project_id", "created_on", "updated_on")

      self.versions << new_version

    end

  end

  # Copies issue categories from +project+

  def copy_issue_categories(project)

    project.issue_categories.each do |issue_category|

      new_issue_category = IssueCategory.new

      new_issue_category.attributes = issue_category.attributes.dup.except("id", "project_id")

      self.issue_categories << new_issue_category

    end

  end

  # Copies issues from +project+

  def copy_issues(project)

    # Stores the source issue id as a key and the copied issues as the

    # value.  Used to map the two togeather for issue relations.

    issues_map = {}

    # Get issues sorted by root_id, lft so that parent issues

    # get copied before their children

    project.issues.find(:all, :order => 'root_id, lft').each do |issue|

      new_issue = Issue.new

      new_issue.copy_from(issue)

      new_issue.project = self

      # Reassign fixed_versions by name, since names are unique per

      # project and the versions for self are not yet saved

      if issue.fixed_version

        new_issue.fixed_version = self.versions.select {|v| v.name == issue.fixed_version.name}.first

      end

      # Reassign the category by name, since names are unique per

      # project and the categories for self are not yet saved

      if issue.category

        new_issue.category = self.issue_categories.select {|c| c.name == issue.category.name}.first

      end

      # Parent issue

      if issue.parent_id

        if copied_parent = issues_map[issue.parent_id]

          new_issue.parent_issue_id = copied_parent.id

        end

      end

      self.issues << new_issue

      issues_map[issue.id] = new_issue

    end

    # Relations after in case issues related each other

    project.issues.each do |issue|

      new_issue = issues_map[issue.id]

      # Relations

      issue.relations_from.each do |source_relation|

        new_issue_relation = IssueRelation.new

        new_issue_relation.attributes = source_relation.attributes.dup.except("id", "issue_from_id", "issue_to_id")

        new_issue_relation.issue_to = issues_map[source_relation.issue_to_id]

        if new_issue_relation.issue_to.nil? && Setting.cross_project_issue_relations?

          new_issue_relation.issue_to = source_relation.issue_to

        end

        new_issue.relations_from << new_issue_relation

      end

      issue.relations_to.each do |source_relation|

        new_issue_relation = IssueRelation.new

        new_issue_relation.attributes = source_relation.attributes.dup.except("id", "issue_from_id", "issue_to_id")

        new_issue_relation.issue_from = issues_map[source_relation.issue_from_id]

        if new_issue_relation.issue_from.nil? && Setting.cross_project_issue_relations?

          new_issue_relation.issue_from = source_relation.issue_from

        end

        new_issue.relations_to << new_issue_relation

      end

    end

  end

  # Copies members from +project+

  def copy_members(project)

    project.memberships.each do |member|

      new_member = Member.new

      new_member.attributes = member.attributes.dup.except("id", "project_id", "created_on")

      # only copy non inherited roles

      # inherited roles will be added when copying the group membership

      role_ids = member.member_roles.reject(&:inherited?).collect(&:role_id)

      next if role_ids.empty?

      new_member.role_ids = role_ids

      new_member.project = self

      self.members << new_member

    end

  end

  # Copies queries from +project+

  def copy_queries(project)

    project.queries.each do |query|

      new_query = Query.new

      new_query.attributes = query.attributes.dup.except("id", "project_id", "sort_criteria")

      new_query.sort_criteria = query.sort_criteria if query.sort_criteria

      new_query.project = self

      self.queries << new_query

    end

  end

  # Copies boards from +project+

  def copy_boards(project)

    project.boards.each do |board|

      new_board = Board.new

      new_board.attributes = board.attributes.dup.except("id", "project_id", "topics_count", "messages_count", "last_message_id")

      new_board.project = self

      self.boards << new_board

    end

  end

  # Copies documents from +project+

  def copy_documents(project)

    project.documents.each do |document|

      new_document = Document.new

      new_document.attributes = document.attributes.dup.except("id", "project_id")

	  new_document.project = self

      self.documents << new_document

	  # Copy attachments to document

		  document.attachments.each do |attachment|

		  new_attachment = Attachment.new

		  new_attachment.attributes = attachment.attributes.dup.except("id","container_id","disk_filename")

		  #Duplicate file for attachment

		  @@storage_dir = "#{RAILS_ROOT}/files"

		  newFilename = Attachment.disk_filename(attachment.filename)

		  oldFilePath = File.join(@@storage_dir, attachment.disk_filename)

		  newFilePath = File.join(@@storage_dir, newFilename)

		  FileUtils.copy_file(oldFilePath, newFilePath, true)

		  new_attachment.disk_filename = newFilename

		  new_document.attachments << new_attachment

	  end

    end

  end

  def allowed_permissions

    @allowed_permissions ||= begin

      module_names = enabled_modules.all(:select => :name).collect {|m| m.name}

      Redmine::AccessControl.modules_permissions(module_names).collect {|p| p.name}

    end

  end

  def allowed_actions

    @actions_allowed ||= allowed_permissions.inject([]) { |actions, permission| actions += Redmine::AccessControl.allowed_actions(permission) }.flatten

  end

  # Returns all the active Systemwide and project specific activities

  def active_activities

    overridden_activity_ids = self.time_entry_activities.collect(&:parent_id)

    if overridden_activity_ids.empty?

      return TimeEntryActivity.shared.active

    else

      return system_activities_and_project_overrides

    end

  end

  # Returns all the Systemwide and project specific activities

  # (inactive and active)

  def all_activities

    overridden_activity_ids = self.time_entry_activities.collect(&:parent_id)

    if overridden_activity_ids.empty?

      return TimeEntryActivity.shared

    else

      return system_activities_and_project_overrides(true)

    end

  end

  # Returns the systemwide active activities merged with the project specific overrides

  def system_activities_and_project_overrides(include_inactive=false)

    if include_inactive

      return TimeEntryActivity.shared.

        find(:all,

             :conditions => ["id NOT IN (?)", self.time_entry_activities.collect(&:parent_id)]) +

        self.time_entry_activities

    else

      return TimeEntryActivity.shared.active.

        find(:all,

             :conditions => ["id NOT IN (?)", self.time_entry_activities.collect(&:parent_id)]) +

        self.time_entry_activities.active

    end

  end

  # Archives subprojects recursively

  def archive!

    children.each do |subproject|

      subproject.send :archive!

    end

    update_attribute :status, STATUS_ARCHIVED

  end

end