Module: ActsPermissive::PermissiveObject::InstanceMethods

Defined in:
lib/acts_permissive/permissive_object.rb

Instance Method Summary collapse

Instance Method Details

#all_who_can(*args) ⇒ Object

TODO: Refactor this shit! One way to do this. Figure out a list of permission masks that would pass, then use that to do a straight SQL query using “perm.mask IN [list]”



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# File 'lib/acts_permissive/permissive_object.rb', line 35

def all_who_can *args
  # Get a list of users who can do whatever symbol based permissions are
  # listed. For instance
  # authors = @thing.all_who_can(:read, :write)
  warn "\nPermissiveObject::all_who_can works, yeah, but it's a time suck. Use Carefully!"
  if args.include?(:see)
    raise PermissiveError, "Can only use :see as an option by itself" if args.count > 1
    return ActsPermissive::Grouping.who_can_see(self)
  end

  users = []

  # Go through each user, go though each permission that user has for this object
  # (i.e. in all the objects circles), and if there's a permission that matches,
  # add the user to the list of users.
  ActsPermissive::Grouping.who_can_see(self).each do |user|
    user.permissions_for(self).each do |perm|
      #add up the bits and do a bitwise and to check permissions
      bits = args.select{|o| o.class == Symbol}.map{|s| Permission.bit_for s}.inject(0){|sum, p| sum + p}
      users << user if perm.mask & bits == bits
    end
  end

  # we lazily add users in a loop, instead of using SQL, so we have to return only the unique set
  users.uniq
end

#is_used_permissively? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/acts_permissive/permissive_object.rb', line 28

def is_used_permissively?
  true
end