comparison .svn/pristine/6a/6ad1a9c5c31bdf856fc5268290ebc1f7efdb0480.svn-base @ 1298:4f746d8966dd redmine_2.3_integration

Merge from redmine-2.3 branch to create new branch redmine-2.3-integration

+# Redmine - project management software
+# Copyright (C) 2006-2013  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 Role < ActiveRecord::Base
+  # Custom coder for the permissions attribute that should be an
+  # array of symbols. Rails 3 uses Psych which can be *unbelievably*
+  # slow on some platforms (eg. mingw32).
+  class PermissionsAttributeCoder
+    def self.load(str)
+      str.to_s.scan(/:([a-z0-9_]+)/).flatten.map(&:to_sym)
+    end
+
+    def self.dump(value)
+      YAML.dump(value)
+    end
+  end
+
+  # Built-in roles
+  BUILTIN_NON_MEMBER = 1
+  BUILTIN_ANONYMOUS  = 2
+
+  ISSUES_VISIBILITY_OPTIONS = [
+    ['all', :label_issues_visibility_all],
+    ['default', :label_issues_visibility_public],
+    ['own', :label_issues_visibility_own]
+  ]
+
+  scope :sorted, lambda { order("#{table_name}.builtin ASC, #{table_name}.position ASC") }
+  scope :givable, lambda { order("#{table_name}.position ASC").where(:builtin => 0) }
+  scope :builtin, lambda { |*args|
+    compare = (args.first == true ? 'not' : '')
+    where("#{compare} builtin = 0")
+  }
+
+  before_destroy :check_deletable
+  has_many :workflow_rules, :dependent => :delete_all do
+    def copy(source_role)
+      WorkflowRule.copy(nil, source_role, nil, proxy_association.owner)
+    end
+  end
+
+  has_many :member_roles, :dependent => :destroy
+  has_many :members, :through => :member_roles
+  acts_as_list
+
+  serialize :permissions, ::Role::PermissionsAttributeCoder
+  attr_protected :builtin
+
+  validates_presence_of :name
+  validates_uniqueness_of :name
+  validates_length_of :name, :maximum => 30
+  validates_inclusion_of :issues_visibility,
+    :in => ISSUES_VISIBILITY_OPTIONS.collect(&:first),
+    :if => lambda {|role| role.respond_to?(:issues_visibility)}
+
+  # Copies attributes from another role, arg can be an id or a Role
+  def copy_from(arg, options={})
+    return unless arg.present?
+    role = arg.is_a?(Role) ? arg : Role.find_by_id(arg.to_s)
+    self.attributes = role.attributes.dup.except("id", "name", "position", "builtin", "permissions")
+    self.permissions = role.permissions.dup
+    self
+  end
+
+  def permissions=(perms)
+    perms = perms.collect {|p| p.to_sym unless p.blank? }.compact.uniq if perms
+    write_attribute(:permissions, perms)
+  end
+
+  def add_permission!(*perms)
+    self.permissions = [] unless permissions.is_a?(Array)
+
+    permissions_will_change!
+    perms.each do |p|
+      p = p.to_sym
+      permissions << p unless permissions.include?(p)
+    end
+    save!
+  end
+
+  def remove_permission!(*perms)
+    return unless permissions.is_a?(Array)
+    permissions_will_change!
+    perms.each { |p| permissions.delete(p.to_sym) }
+    save!
+  end
+
+  # Returns true if the role has the given permission
+  def has_permission?(perm)
+    !permissions.nil? && permissions.include?(perm.to_sym)
+  end
+
+  def <=>(role)
+    if role
+      if builtin == role.builtin
+        position <=> role.position
+      else
+        builtin <=> role.builtin
+      end
+    else
+      -1
+    end
+  end
+
+  def to_s
+    name
+  end
+
+  def name
+    case builtin
+    when 1; l(:label_role_non_member, :default => read_attribute(:name))
+    when 2; l(:label_role_anonymous,  :default => read_attribute(:name))
+    else; read_attribute(:name)
+    end
+  end
+
+  # Return true if the role is a builtin role
+  def builtin?
+    self.builtin != 0
+  end
+
+  # Return true if the role is the anonymous role
+  def anonymous?
+    builtin == 2
+  end
+  
+  # Return true if the role is a project member role
+  def member?
+    !self.builtin?
+  end
+
+  # Return true if role 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 allowed_to?(action)
+    if action.is_a? Hash
+      allowed_actions.include? "#{action[:controller]}/#{action[:action]}"
+    else
+      allowed_permissions.include? action
+    end
+  end
+
+  # Return all the permissions that can be given to the role
+  def setable_permissions
+    setable_permissions = Redmine::AccessControl.permissions - Redmine::AccessControl.public_permissions
+    setable_permissions -= Redmine::AccessControl.members_only_permissions if self.builtin == BUILTIN_NON_MEMBER
+    setable_permissions -= Redmine::AccessControl.loggedin_only_permissions if self.builtin == BUILTIN_ANONYMOUS
+    setable_permissions
+  end
+
+  # Find all the roles that can be given to a project member
+  def self.find_all_givable
+    Role.givable.all
+  end
+
+  # Return the builtin 'non member' role.  If the role doesn't exist,
+  # it will be created on the fly.
+  def self.non_member
+    find_or_create_system_role(BUILTIN_NON_MEMBER, 'Non member')
+  end
+
+  # Return the builtin 'anonymous' role.  If the role doesn't exist,
+  # it will be created on the fly.
+  def self.anonymous
+    find_or_create_system_role(BUILTIN_ANONYMOUS, 'Anonymous')
+  end
+
+private
+
+  def allowed_permissions
+    @allowed_permissions ||= permissions + Redmine::AccessControl.public_permissions.collect {|p| p.name}
+  end
+
+  def allowed_actions
+    @actions_allowed ||= allowed_permissions.inject([]) { |actions, permission| actions += Redmine::AccessControl.allowed_actions(permission) }.flatten
+  end
+
+  def check_deletable
+    raise "Can't delete role" if members.any?
+    raise "Can't delete builtin role" if builtin?
+  end
+
+  def self.find_or_create_system_role(builtin, name)
+    role = where(:builtin => builtin).first
+    if role.nil?
+      role = create(:name => name, :position => 0) do |r|
+        r.builtin = builtin
+      end
+      raise "Unable to create the #{name} role." if role.new_record?
+    end
+    role
+  end
+end